mutation.go

// Copyright 2019-present Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by entc, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"
	"sync"
	"time"

	"entgo.io/contrib/entgql/internal/todo/ent/billproduct"
	"entgo.io/contrib/entgql/internal/todo/ent/category"
	"entgo.io/contrib/entgql/internal/todo/ent/friendship"
	"entgo.io/contrib/entgql/internal/todo/ent/group"
	"entgo.io/contrib/entgql/internal/todo/ent/onetomany"
	"entgo.io/contrib/entgql/internal/todo/ent/predicate"
	"entgo.io/contrib/entgql/internal/todo/ent/project"
	"entgo.io/contrib/entgql/internal/todo/ent/schema/customstruct"
	"entgo.io/contrib/entgql/internal/todo/ent/schema/schematype"
	"entgo.io/contrib/entgql/internal/todo/ent/todo"
	"entgo.io/contrib/entgql/internal/todo/ent/user"
	"entgo.io/contrib/entgql/internal/todo/ent/verysecret"
	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"github.com/google/uuid"
)

const (
	// Operation types.
	OpCreate    = ent.OpCreate
	OpDelete    = ent.OpDelete
	OpDeleteOne = ent.OpDeleteOne
	OpUpdate    = ent.OpUpdate
	OpUpdateOne = ent.OpUpdateOne

	// Node types.
	TypeBillProduct = "BillProduct"
	TypeCategory    = "Category"
	TypeFriendship  = "Friendship"
	TypeGroup       = "Group"
	TypeOneToMany   = "OneToMany"
	TypeProject     = "Project"
	TypeTodo        = "Todo"
	TypeUser        = "User"
	TypeVerySecret  = "VerySecret"
)

// BillProductMutation represents an operation that mutates the BillProduct nodes in the graph.
type BillProductMutation struct {
	config
	op            Op
	typ           string
	id            *int
	name          *string
	sku           *string
	quantity      *uint64
	addquantity   *int64
	clearedFields map[string]struct{}
	done          bool
	oldValue      func(context.Context) (*BillProduct, error)
	predicates    []predicate.BillProduct
}

var _ ent.Mutation = (*BillProductMutation)(nil)

// billproductOption allows management of the mutation configuration using functional options.
type billproductOption func(*BillProductMutation)

// newBillProductMutation creates new mutation for the BillProduct entity.
func newBillProductMutation(c config, op Op, opts ...billproductOption) *BillProductMutation {
	m := &BillProductMutation{
		config:        c,
		op:            op,
		typ:           TypeBillProduct,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withBillProductID sets the ID field of the mutation.
func withBillProductID(id int) billproductOption {
	return func(m *BillProductMutation) {
		var (
			err   error
			once  sync.Once
			value *BillProduct
		)
		m.oldValue = func(ctx context.Context) (*BillProduct, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().BillProduct.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withBillProduct sets the old BillProduct of the mutation.
func withBillProduct(node *BillProduct) billproductOption {
	return func(m *BillProductMutation) {
		m.oldValue = func(context.Context) (*BillProduct, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m BillProductMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m BillProductMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *BillProductMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *BillProductMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().BillProduct.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *BillProductMutation) SetName(s string) {
	m.name = &s
}

// Name returns the value of the "name" field in the mutation.
func (m *BillProductMutation) Name() (r string, exists bool) {
	v := m.name
	if v == nil {
		return
	}
	return *v, true
}

// OldName returns the old "name" field's value of the BillProduct entity.
// If the BillProduct object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *BillProductMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *BillProductMutation) ResetName() {
	m.name = nil
}

// SetSku sets the "sku" field.
func (m *BillProductMutation) SetSku(s string) {
	m.sku = &s
}

// Sku returns the value of the "sku" field in the mutation.
func (m *BillProductMutation) Sku() (r string, exists bool) {
	v := m.sku
	if v == nil {
		return
	}
	return *v, true
}

// OldSku returns the old "sku" field's value of the BillProduct entity.
// If the BillProduct object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *BillProductMutation) OldSku(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldSku is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldSku requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldSku: %w", err)
	}
	return oldValue.Sku, nil
}

// ResetSku resets all changes to the "sku" field.
func (m *BillProductMutation) ResetSku() {
	m.sku = nil
}

// SetQuantity sets the "quantity" field.
func (m *BillProductMutation) SetQuantity(u uint64) {
	m.quantity = &u
	m.addquantity = nil
}

// Quantity returns the value of the "quantity" field in the mutation.
func (m *BillProductMutation) Quantity() (r uint64, exists bool) {
	v := m.quantity
	if v == nil {
		return
	}
	return *v, true
}

// OldQuantity returns the old "quantity" field's value of the BillProduct entity.
// If the BillProduct object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *BillProductMutation) OldQuantity(ctx context.Context) (v uint64, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldQuantity is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldQuantity requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldQuantity: %w", err)
	}
	return oldValue.Quantity, nil
}

// AddQuantity adds u to the "quantity" field.
func (m *BillProductMutation) AddQuantity(u int64) {
	if m.addquantity != nil {
		*m.addquantity += u
	} else {
		m.addquantity = &u
	}
}

// AddedQuantity returns the value that was added to the "quantity" field in this mutation.
func (m *BillProductMutation) AddedQuantity() (r int64, exists bool) {
	v := m.addquantity
	if v == nil {
		return
	}
	return *v, true
}

// ResetQuantity resets all changes to the "quantity" field.
func (m *BillProductMutation) ResetQuantity() {
	m.quantity = nil
	m.addquantity = nil
}

// Where appends a list predicates to the BillProductMutation builder.
func (m *BillProductMutation) Where(ps ...predicate.BillProduct) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the BillProductMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *BillProductMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.BillProduct, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *BillProductMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *BillProductMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (BillProduct).
func (m *BillProductMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *BillProductMutation) Fields() []string {
	fields := make([]string, 0, 3)
	if m.name != nil {
		fields = append(fields, billproduct.FieldName)
	}
	if m.sku != nil {
		fields = append(fields, billproduct.FieldSku)
	}
	if m.quantity != nil {
		fields = append(fields, billproduct.FieldQuantity)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *BillProductMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case billproduct.FieldName:
		return m.Name()
	case billproduct.FieldSku:
		return m.Sku()
	case billproduct.FieldQuantity:
		return m.Quantity()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *BillProductMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case billproduct.FieldName:
		return m.OldName(ctx)
	case billproduct.FieldSku:
		return m.OldSku(ctx)
	case billproduct.FieldQuantity:
		return m.OldQuantity(ctx)
	}
	return nil, fmt.Errorf("unknown BillProduct field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *BillProductMutation) SetField(name string, value ent.Value) error {
	switch name {
	case billproduct.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	case billproduct.FieldSku:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetSku(v)
		return nil
	case billproduct.FieldQuantity:
		v, ok := value.(uint64)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetQuantity(v)
		return nil
	}
	return fmt.Errorf("unknown BillProduct field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *BillProductMutation) AddedFields() []string {
	var fields []string
	if m.addquantity != nil {
		fields = append(fields, billproduct.FieldQuantity)
	}
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *BillProductMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case billproduct.FieldQuantity:
		return m.AddedQuantity()
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *BillProductMutation) AddField(name string, value ent.Value) error {
	switch name {
	case billproduct.FieldQuantity:
		v, ok := value.(int64)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddQuantity(v)
		return nil
	}
	return fmt.Errorf("unknown BillProduct numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *BillProductMutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *BillProductMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *BillProductMutation) ClearField(name string) error {
	return fmt.Errorf("unknown BillProduct nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *BillProductMutation) ResetField(name string) error {
	switch name {
	case billproduct.FieldName:
		m.ResetName()
		return nil
	case billproduct.FieldSku:
		m.ResetSku()
		return nil
	case billproduct.FieldQuantity:
		m.ResetQuantity()
		return nil
	}
	return fmt.Errorf("unknown BillProduct field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *BillProductMutation) AddedEdges() []string {
	edges := make([]string, 0, 0)
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *BillProductMutation) AddedIDs(name string) []ent.Value {
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *BillProductMutation) RemovedEdges() []string {
	edges := make([]string, 0, 0)
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *BillProductMutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *BillProductMutation) ClearedEdges() []string {
	edges := make([]string, 0, 0)
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *BillProductMutation) EdgeCleared(name string) bool {
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *BillProductMutation) ClearEdge(name string) error {
	return fmt.Errorf("unknown BillProduct unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *BillProductMutation) ResetEdge(name string) error {
	return fmt.Errorf("unknown BillProduct edge %s", name)
}

// CategoryMutation represents an operation that mutates the Category nodes in the graph.
type CategoryMutation struct {
	config
	op                    Op
	typ                   string
	id                    *int
	text                  *string
	status                *category.Status
	_config               **schematype.CategoryConfig
	duration              *time.Duration
	addduration           *time.Duration
	count                 *uint64
	addcount              *int64
	strings               *[]string
	appendstrings         []string
	clearedFields         map[string]struct{}
	todos                 map[int]struct{}
	removedtodos          map[int]struct{}
	clearedtodos          bool
	sub_categories        map[int]struct{}
	removedsub_categories map[int]struct{}
	clearedsub_categories bool
	done                  bool
	oldValue              func(context.Context) (*Category, error)
	predicates            []predicate.Category
}

var _ ent.Mutation = (*CategoryMutation)(nil)

// categoryOption allows management of the mutation configuration using functional options.
type categoryOption func(*CategoryMutation)

// newCategoryMutation creates new mutation for the Category entity.
func newCategoryMutation(c config, op Op, opts ...categoryOption) *CategoryMutation {
	m := &CategoryMutation{
		config:        c,
		op:            op,
		typ:           TypeCategory,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withCategoryID sets the ID field of the mutation.
func withCategoryID(id int) categoryOption {
	return func(m *CategoryMutation) {
		var (
			err   error
			once  sync.Once
			value *Category
		)
		m.oldValue = func(ctx context.Context) (*Category, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Category.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withCategory sets the old Category of the mutation.
func withCategory(node *Category) categoryOption {
	return func(m *CategoryMutation) {
		m.oldValue = func(context.Context) (*Category, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m CategoryMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m CategoryMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// SetID sets the value of the id field. Note that this
// operation is only accepted on creation of Category entities.
func (m *CategoryMutation) SetID(id int) {
	m.id = &id
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *CategoryMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *CategoryMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Category.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetText sets the "text" field.
func (m *CategoryMutation) SetText(s string) {
	m.text = &s
}

// Text returns the value of the "text" field in the mutation.
func (m *CategoryMutation) Text() (r string, exists bool) {
	v := m.text
	if v == nil {
		return
	}
	return *v, true
}

// OldText returns the old "text" field's value of the Category entity.
// If the Category object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CategoryMutation) OldText(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldText is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldText requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldText: %w", err)
	}
	return oldValue.Text, nil
}

// ResetText resets all changes to the "text" field.
func (m *CategoryMutation) ResetText() {
	m.text = nil
}

// SetStatus sets the "status" field.
func (m *CategoryMutation) SetStatus(c category.Status) {
	m.status = &c
}

// Status returns the value of the "status" field in the mutation.
func (m *CategoryMutation) Status() (r category.Status, exists bool) {
	v := m.status
	if v == nil {
		return
	}
	return *v, true
}

// OldStatus returns the old "status" field's value of the Category entity.
// If the Category object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CategoryMutation) OldStatus(ctx context.Context) (v category.Status, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldStatus is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldStatus requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldStatus: %w", err)
	}
	return oldValue.Status, nil
}

// ResetStatus resets all changes to the "status" field.
func (m *CategoryMutation) ResetStatus() {
	m.status = nil
}

// SetConfig sets the "config" field.
func (m *CategoryMutation) SetConfig(sc *schematype.CategoryConfig) {
	m._config = &sc
}

// Config returns the value of the "config" field in the mutation.
func (m *CategoryMutation) Config() (r *schematype.CategoryConfig, exists bool) {
	v := m._config
	if v == nil {
		return
	}
	return *v, true
}

// OldConfig returns the old "config" field's value of the Category entity.
// If the Category object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CategoryMutation) OldConfig(ctx context.Context) (v *schematype.CategoryConfig, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldConfig is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldConfig requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldConfig: %w", err)
	}
	return oldValue.Config, nil
}

// ClearConfig clears the value of the "config" field.
func (m *CategoryMutation) ClearConfig() {
	m._config = nil
	m.clearedFields[category.FieldConfig] = struct{}{}
}

// ConfigCleared returns if the "config" field was cleared in this mutation.
func (m *CategoryMutation) ConfigCleared() bool {
	_, ok := m.clearedFields[category.FieldConfig]
	return ok
}

// ResetConfig resets all changes to the "config" field.
func (m *CategoryMutation) ResetConfig() {
	m._config = nil
	delete(m.clearedFields, category.FieldConfig)
}

// SetDuration sets the "duration" field.
func (m *CategoryMutation) SetDuration(t time.Duration) {
	m.duration = &t
	m.addduration = nil
}

// Duration returns the value of the "duration" field in the mutation.
func (m *CategoryMutation) Duration() (r time.Duration, exists bool) {
	v := m.duration
	if v == nil {
		return
	}
	return *v, true
}

// OldDuration returns the old "duration" field's value of the Category entity.
// If the Category object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CategoryMutation) OldDuration(ctx context.Context) (v time.Duration, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldDuration is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldDuration requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldDuration: %w", err)
	}
	return oldValue.Duration, nil
}

// AddDuration adds t to the "duration" field.
func (m *CategoryMutation) AddDuration(t time.Duration) {
	if m.addduration != nil {
		*m.addduration += t
	} else {
		m.addduration = &t
	}
}

// AddedDuration returns the value that was added to the "duration" field in this mutation.
func (m *CategoryMutation) AddedDuration() (r time.Duration, exists bool) {
	v := m.addduration
	if v == nil {
		return
	}
	return *v, true
}

// ClearDuration clears the value of the "duration" field.
func (m *CategoryMutation) ClearDuration() {
	m.duration = nil
	m.addduration = nil
	m.clearedFields[category.FieldDuration] = struct{}{}
}

// DurationCleared returns if the "duration" field was cleared in this mutation.
func (m *CategoryMutation) DurationCleared() bool {
	_, ok := m.clearedFields[category.FieldDuration]
	return ok
}

// ResetDuration resets all changes to the "duration" field.
func (m *CategoryMutation) ResetDuration() {
	m.duration = nil
	m.addduration = nil
	delete(m.clearedFields, category.FieldDuration)
}

// SetCount sets the "count" field.
func (m *CategoryMutation) SetCount(u uint64) {
	m.count = &u
	m.addcount = nil
}

// Count returns the value of the "count" field in the mutation.
func (m *CategoryMutation) Count() (r uint64, exists bool) {
	v := m.count
	if v == nil {
		return
	}
	return *v, true
}

// OldCount returns the old "count" field's value of the Category entity.
// If the Category object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CategoryMutation) OldCount(ctx context.Context) (v uint64, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCount is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCount requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCount: %w", err)
	}
	return oldValue.Count, nil
}

// AddCount adds u to the "count" field.
func (m *CategoryMutation) AddCount(u int64) {
	if m.addcount != nil {
		*m.addcount += u
	} else {
		m.addcount = &u
	}
}

// AddedCount returns the value that was added to the "count" field in this mutation.
func (m *CategoryMutation) AddedCount() (r int64, exists bool) {
	v := m.addcount
	if v == nil {
		return
	}
	return *v, true
}

// ClearCount clears the value of the "count" field.
func (m *CategoryMutation) ClearCount() {
	m.count = nil
	m.addcount = nil
	m.clearedFields[category.FieldCount] = struct{}{}
}

// CountCleared returns if the "count" field was cleared in this mutation.
func (m *CategoryMutation) CountCleared() bool {
	_, ok := m.clearedFields[category.FieldCount]
	return ok
}

// ResetCount resets all changes to the "count" field.
func (m *CategoryMutation) ResetCount() {
	m.count = nil
	m.addcount = nil
	delete(m.clearedFields, category.FieldCount)
}

// SetStrings sets the "strings" field.
func (m *CategoryMutation) SetStrings(s []string) {
	m.strings = &s
	m.appendstrings = nil
}

// Strings returns the value of the "strings" field in the mutation.
func (m *CategoryMutation) Strings() (r []string, exists bool) {
	v := m.strings
	if v == nil {
		return
	}
	return *v, true
}

// OldStrings returns the old "strings" field's value of the Category entity.
// If the Category object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CategoryMutation) OldStrings(ctx context.Context) (v []string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldStrings is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldStrings requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldStrings: %w", err)
	}
	return oldValue.Strings, nil
}

// AppendStrings adds s to the "strings" field.
func (m *CategoryMutation) AppendStrings(s []string) {
	m.appendstrings = append(m.appendstrings, s...)
}

// AppendedStrings returns the list of values that were appended to the "strings" field in this mutation.
func (m *CategoryMutation) AppendedStrings() ([]string, bool) {
	if len(m.appendstrings) == 0 {
		return nil, false
	}
	return m.appendstrings, true
}

// ClearStrings clears the value of the "strings" field.
func (m *CategoryMutation) ClearStrings() {
	m.strings = nil
	m.appendstrings = nil
	m.clearedFields[category.FieldStrings] = struct{}{}
}

// StringsCleared returns if the "strings" field was cleared in this mutation.
func (m *CategoryMutation) StringsCleared() bool {
	_, ok := m.clearedFields[category.FieldStrings]
	return ok
}

// ResetStrings resets all changes to the "strings" field.
func (m *CategoryMutation) ResetStrings() {
	m.strings = nil
	m.appendstrings = nil
	delete(m.clearedFields, category.FieldStrings)
}

// AddTodoIDs adds the "todos" edge to the Todo entity by ids.
func (m *CategoryMutation) AddTodoIDs(ids ...int) {
	if m.todos == nil {
		m.todos = make(map[int]struct{})
	}
	for i := range ids {
		m.todos[ids[i]] = struct{}{}
	}
}

// ClearTodos clears the "todos" edge to the Todo entity.
func (m *CategoryMutation) ClearTodos() {
	m.clearedtodos = true
}

// TodosCleared reports if the "todos" edge to the Todo entity was cleared.
func (m *CategoryMutation) TodosCleared() bool {
	return m.clearedtodos
}

// RemoveTodoIDs removes the "todos" edge to the Todo entity by IDs.
func (m *CategoryMutation) RemoveTodoIDs(ids ...int) {
	if m.removedtodos == nil {
		m.removedtodos = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.todos, ids[i])
		m.removedtodos[ids[i]] = struct{}{}
	}
}

// RemovedTodos returns the removed IDs of the "todos" edge to the Todo entity.
func (m *CategoryMutation) RemovedTodosIDs() (ids []int) {
	for id := range m.removedtodos {
		ids = append(ids, id)
	}
	return
}

// TodosIDs returns the "todos" edge IDs in the mutation.
func (m *CategoryMutation) TodosIDs() (ids []int) {
	for id := range m.todos {
		ids = append(ids, id)
	}
	return
}

// ResetTodos resets all changes to the "todos" edge.
func (m *CategoryMutation) ResetTodos() {
	m.todos = nil
	m.clearedtodos = false
	m.removedtodos = nil
}

// AddSubCategoryIDs adds the "sub_categories" edge to the Category entity by ids.
func (m *CategoryMutation) AddSubCategoryIDs(ids ...int) {
	if m.sub_categories == nil {
		m.sub_categories = make(map[int]struct{})
	}
	for i := range ids {
		m.sub_categories[ids[i]] = struct{}{}
	}
}

// ClearSubCategories clears the "sub_categories" edge to the Category entity.
func (m *CategoryMutation) ClearSubCategories() {
	m.clearedsub_categories = true
}

// SubCategoriesCleared reports if the "sub_categories" edge to the Category entity was cleared.
func (m *CategoryMutation) SubCategoriesCleared() bool {
	return m.clearedsub_categories
}

// RemoveSubCategoryIDs removes the "sub_categories" edge to the Category entity by IDs.
func (m *CategoryMutation) RemoveSubCategoryIDs(ids ...int) {
	if m.removedsub_categories == nil {
		m.removedsub_categories = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.sub_categories, ids[i])
		m.removedsub_categories[ids[i]] = struct{}{}
	}
}

// RemovedSubCategories returns the removed IDs of the "sub_categories" edge to the Category entity.
func (m *CategoryMutation) RemovedSubCategoriesIDs() (ids []int) {
	for id := range m.removedsub_categories {
		ids = append(ids, id)
	}
	return
}

// SubCategoriesIDs returns the "sub_categories" edge IDs in the mutation.
func (m *CategoryMutation) SubCategoriesIDs() (ids []int) {
	for id := range m.sub_categories {
		ids = append(ids, id)
	}
	return
}

// ResetSubCategories resets all changes to the "sub_categories" edge.
func (m *CategoryMutation) ResetSubCategories() {
	m.sub_categories = nil
	m.clearedsub_categories = false
	m.removedsub_categories = nil
}

// Where appends a list predicates to the CategoryMutation builder.
func (m *CategoryMutation) Where(ps ...predicate.Category) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the CategoryMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *CategoryMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Category, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *CategoryMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *CategoryMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (Category).
func (m *CategoryMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *CategoryMutation) Fields() []string {
	fields := make([]string, 0, 6)
	if m.text != nil {
		fields = append(fields, category.FieldText)
	}
	if m.status != nil {
		fields = append(fields, category.FieldStatus)
	}
	if m._config != nil {
		fields = append(fields, category.FieldConfig)
	}
	if m.duration != nil {
		fields = append(fields, category.FieldDuration)
	}
	if m.count != nil {
		fields = append(fields, category.FieldCount)
	}
	if m.strings != nil {
		fields = append(fields, category.FieldStrings)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *CategoryMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case category.FieldText:
		return m.Text()
	case category.FieldStatus:
		return m.Status()
	case category.FieldConfig:
		return m.Config()
	case category.FieldDuration:
		return m.Duration()
	case category.FieldCount:
		return m.Count()
	case category.FieldStrings:
		return m.Strings()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *CategoryMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case category.FieldText:
		return m.OldText(ctx)
	case category.FieldStatus:
		return m.OldStatus(ctx)
	case category.FieldConfig:
		return m.OldConfig(ctx)
	case category.FieldDuration:
		return m.OldDuration(ctx)
	case category.FieldCount:
		return m.OldCount(ctx)
	case category.FieldStrings:
		return m.OldStrings(ctx)
	}
	return nil, fmt.Errorf("unknown Category field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *CategoryMutation) SetField(name string, value ent.Value) error {
	switch name {
	case category.FieldText:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetText(v)
		return nil
	case category.FieldStatus:
		v, ok := value.(category.Status)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetStatus(v)
		return nil
	case category.FieldConfig:
		v, ok := value.(*schematype.CategoryConfig)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetConfig(v)
		return nil
	case category.FieldDuration:
		v, ok := value.(time.Duration)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetDuration(v)
		return nil
	case category.FieldCount:
		v, ok := value.(uint64)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCount(v)
		return nil
	case category.FieldStrings:
		v, ok := value.([]string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetStrings(v)
		return nil
	}
	return fmt.Errorf("unknown Category field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *CategoryMutation) AddedFields() []string {
	var fields []string
	if m.addduration != nil {
		fields = append(fields, category.FieldDuration)
	}
	if m.addcount != nil {
		fields = append(fields, category.FieldCount)
	}
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *CategoryMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case category.FieldDuration:
		return m.AddedDuration()
	case category.FieldCount:
		return m.AddedCount()
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *CategoryMutation) AddField(name string, value ent.Value) error {
	switch name {
	case category.FieldDuration:
		v, ok := value.(time.Duration)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddDuration(v)
		return nil
	case category.FieldCount:
		v, ok := value.(int64)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddCount(v)
		return nil
	}
	return fmt.Errorf("unknown Category numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *CategoryMutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(category.FieldConfig) {
		fields = append(fields, category.FieldConfig)
	}
	if m.FieldCleared(category.FieldDuration) {
		fields = append(fields, category.FieldDuration)
	}
	if m.FieldCleared(category.FieldCount) {
		fields = append(fields, category.FieldCount)
	}
	if m.FieldCleared(category.FieldStrings) {
		fields = append(fields, category.FieldStrings)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *CategoryMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *CategoryMutation) ClearField(name string) error {
	switch name {
	case category.FieldConfig:
		m.ClearConfig()
		return nil
	case category.FieldDuration:
		m.ClearDuration()
		return nil
	case category.FieldCount:
		m.ClearCount()
		return nil
	case category.FieldStrings:
		m.ClearStrings()
		return nil
	}
	return fmt.Errorf("unknown Category nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *CategoryMutation) ResetField(name string) error {
	switch name {
	case category.FieldText:
		m.ResetText()
		return nil
	case category.FieldStatus:
		m.ResetStatus()
		return nil
	case category.FieldConfig:
		m.ResetConfig()
		return nil
	case category.FieldDuration:
		m.ResetDuration()
		return nil
	case category.FieldCount:
		m.ResetCount()
		return nil
	case category.FieldStrings:
		m.ResetStrings()
		return nil
	}
	return fmt.Errorf("unknown Category field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *CategoryMutation) AddedEdges() []string {
	edges := make([]string, 0, 2)
	if m.todos != nil {
		edges = append(edges, category.EdgeTodos)
	}
	if m.sub_categories != nil {
		edges = append(edges, category.EdgeSubCategories)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *CategoryMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case category.EdgeTodos:
		ids := make([]ent.Value, 0, len(m.todos))
		for id := range m.todos {
			ids = append(ids, id)
		}
		return ids
	case category.EdgeSubCategories:
		ids := make([]ent.Value, 0, len(m.sub_categories))
		for id := range m.sub_categories {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *CategoryMutation) RemovedEdges() []string {
	edges := make([]string, 0, 2)
	if m.removedtodos != nil {
		edges = append(edges, category.EdgeTodos)
	}
	if m.removedsub_categories != nil {
		edges = append(edges, category.EdgeSubCategories)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *CategoryMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case category.EdgeTodos:
		ids := make([]ent.Value, 0, len(m.removedtodos))
		for id := range m.removedtodos {
			ids = append(ids, id)
		}
		return ids
	case category.EdgeSubCategories:
		ids := make([]ent.Value, 0, len(m.removedsub_categories))
		for id := range m.removedsub_categories {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *CategoryMutation) ClearedEdges() []string {
	edges := make([]string, 0, 2)
	if m.clearedtodos {
		edges = append(edges, category.EdgeTodos)
	}
	if m.clearedsub_categories {
		edges = append(edges, category.EdgeSubCategories)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *CategoryMutation) EdgeCleared(name string) bool {
	switch name {
	case category.EdgeTodos:
		return m.clearedtodos
	case category.EdgeSubCategories:
		return m.clearedsub_categories
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *CategoryMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown Category unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *CategoryMutation) ResetEdge(name string) error {
	switch name {
	case category.EdgeTodos:
		m.ResetTodos()
		return nil
	case category.EdgeSubCategories:
		m.ResetSubCategories()
		return nil
	}
	return fmt.Errorf("unknown Category edge %s", name)
}

// FriendshipMutation represents an operation that mutates the Friendship nodes in the graph.
type FriendshipMutation struct {
	config
	op            Op
	typ           string
	id            *int
	created_at    *time.Time
	clearedFields map[string]struct{}
	user          *int
	cleareduser   bool
	friend        *int
	clearedfriend bool
	done          bool
	oldValue      func(context.Context) (*Friendship, error)
	predicates    []predicate.Friendship
}

var _ ent.Mutation = (*FriendshipMutation)(nil)

// friendshipOption allows management of the mutation configuration using functional options.
type friendshipOption func(*FriendshipMutation)

// newFriendshipMutation creates new mutation for the Friendship entity.
func newFriendshipMutation(c config, op Op, opts ...friendshipOption) *FriendshipMutation {
	m := &FriendshipMutation{
		config:        c,
		op:            op,
		typ:           TypeFriendship,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withFriendshipID sets the ID field of the mutation.
func withFriendshipID(id int) friendshipOption {
	return func(m *FriendshipMutation) {
		var (
			err   error
			once  sync.Once
			value *Friendship
		)
		m.oldValue = func(ctx context.Context) (*Friendship, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Friendship.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withFriendship sets the old Friendship of the mutation.
func withFriendship(node *Friendship) friendshipOption {
	return func(m *FriendshipMutation) {
		m.oldValue = func(context.Context) (*Friendship, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m FriendshipMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m FriendshipMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *FriendshipMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *FriendshipMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Friendship.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetCreatedAt sets the "created_at" field.
func (m *FriendshipMutation) SetCreatedAt(t time.Time) {
	m.created_at = &t
}

// CreatedAt returns the value of the "created_at" field in the mutation.
func (m *FriendshipMutation) CreatedAt() (r time.Time, exists bool) {
	v := m.created_at
	if v == nil {
		return
	}
	return *v, true
}

// OldCreatedAt returns the old "created_at" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
	}
	return oldValue.CreatedAt, nil
}

// ResetCreatedAt resets all changes to the "created_at" field.
func (m *FriendshipMutation) ResetCreatedAt() {
	m.created_at = nil
}

// SetUserID sets the "user_id" field.
func (m *FriendshipMutation) SetUserID(i int) {
	m.user = &i
}

// UserID returns the value of the "user_id" field in the mutation.
func (m *FriendshipMutation) UserID() (r int, exists bool) {
	v := m.user
	if v == nil {
		return
	}
	return *v, true
}

// OldUserID returns the old "user_id" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldUserID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldUserID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldUserID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldUserID: %w", err)
	}
	return oldValue.UserID, nil
}

// ResetUserID resets all changes to the "user_id" field.
func (m *FriendshipMutation) ResetUserID() {
	m.user = nil
}

// SetFriendID sets the "friend_id" field.
func (m *FriendshipMutation) SetFriendID(i int) {
	m.friend = &i
}

// FriendID returns the value of the "friend_id" field in the mutation.
func (m *FriendshipMutation) FriendID() (r int, exists bool) {
	v := m.friend
	if v == nil {
		return
	}
	return *v, true
}

// OldFriendID returns the old "friend_id" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldFriendID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldFriendID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldFriendID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldFriendID: %w", err)
	}
	return oldValue.FriendID, nil
}

// ResetFriendID resets all changes to the "friend_id" field.
func (m *FriendshipMutation) ResetFriendID() {
	m.friend = nil
}

// ClearUser clears the "user" edge to the User entity.
func (m *FriendshipMutation) ClearUser() {
	m.cleareduser = true
}

// UserCleared reports if the "user" edge to the User entity was cleared.
func (m *FriendshipMutation) UserCleared() bool {
	return m.cleareduser
}

// UserIDs returns the "user" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// UserID instead. It exists only for internal usage by the builders.
func (m *FriendshipMutation) UserIDs() (ids []int) {
	if id := m.user; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetUser resets all changes to the "user" edge.
func (m *FriendshipMutation) ResetUser() {
	m.user = nil
	m.cleareduser = false
}

// ClearFriend clears the "friend" edge to the User entity.
func (m *FriendshipMutation) ClearFriend() {
	m.clearedfriend = true
}

// FriendCleared reports if the "friend" edge to the User entity was cleared.
func (m *FriendshipMutation) FriendCleared() bool {
	return m.clearedfriend
}

// FriendIDs returns the "friend" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// FriendID instead. It exists only for internal usage by the builders.
func (m *FriendshipMutation) FriendIDs() (ids []int) {
	if id := m.friend; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetFriend resets all changes to the "friend" edge.
func (m *FriendshipMutation) ResetFriend() {
	m.friend = nil
	m.clearedfriend = false
}

// Where appends a list predicates to the FriendshipMutation builder.
func (m *FriendshipMutation) Where(ps ...predicate.Friendship) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the FriendshipMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *FriendshipMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Friendship, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *FriendshipMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *FriendshipMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (Friendship).
func (m *FriendshipMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *FriendshipMutation) Fields() []string {
	fields := make([]string, 0, 3)
	if m.created_at != nil {
		fields = append(fields, friendship.FieldCreatedAt)
	}
	if m.user != nil {
		fields = append(fields, friendship.FieldUserID)
	}
	if m.friend != nil {
		fields = append(fields, friendship.FieldFriendID)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *FriendshipMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case friendship.FieldCreatedAt:
		return m.CreatedAt()
	case friendship.FieldUserID:
		return m.UserID()
	case friendship.FieldFriendID:
		return m.FriendID()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *FriendshipMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case friendship.FieldCreatedAt:
		return m.OldCreatedAt(ctx)
	case friendship.FieldUserID:
		return m.OldUserID(ctx)
	case friendship.FieldFriendID:
		return m.OldFriendID(ctx)
	}
	return nil, fmt.Errorf("unknown Friendship field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *FriendshipMutation) SetField(name string, value ent.Value) error {
	switch name {
	case friendship.FieldCreatedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreatedAt(v)
		return nil
	case friendship.FieldUserID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUserID(v)
		return nil
	case friendship.FieldFriendID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetFriendID(v)
		return nil
	}
	return fmt.Errorf("unknown Friendship field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *FriendshipMutation) AddedFields() []string {
	var fields []string
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *FriendshipMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *FriendshipMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Friendship numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *FriendshipMutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *FriendshipMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *FriendshipMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Friendship nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *FriendshipMutation) ResetField(name string) error {
	switch name {
	case friendship.FieldCreatedAt:
		m.ResetCreatedAt()
		return nil
	case friendship.FieldUserID:
		m.ResetUserID()
		return nil
	case friendship.FieldFriendID:
		m.ResetFriendID()
		return nil
	}
	return fmt.Errorf("unknown Friendship field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *FriendshipMutation) AddedEdges() []string {
	edges := make([]string, 0, 2)
	if m.user != nil {
		edges = append(edges, friendship.EdgeUser)
	}
	if m.friend != nil {
		edges = append(edges, friendship.EdgeFriend)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *FriendshipMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case friendship.EdgeUser:
		if id := m.user; id != nil {
			return []ent.Value{*id}
		}
	case friendship.EdgeFriend:
		if id := m.friend; id != nil {
			return []ent.Value{*id}
		}
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *FriendshipMutation) RemovedEdges() []string {
	edges := make([]string, 0, 2)
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *FriendshipMutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *FriendshipMutation) ClearedEdges() []string {
	edges := make([]string, 0, 2)
	if m.cleareduser {
		edges = append(edges, friendship.EdgeUser)
	}
	if m.clearedfriend {
		edges = append(edges, friendship.EdgeFriend)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *FriendshipMutation) EdgeCleared(name string) bool {
	switch name {
	case friendship.EdgeUser:
		return m.cleareduser
	case friendship.EdgeFriend:
		return m.clearedfriend
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *FriendshipMutation) ClearEdge(name string) error {
	switch name {
	case friendship.EdgeUser:
		m.ClearUser()
		return nil
	case friendship.EdgeFriend:
		m.ClearFriend()
		return nil
	}
	return fmt.Errorf("unknown Friendship unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *FriendshipMutation) ResetEdge(name string) error {
	switch name {
	case friendship.EdgeUser:
		m.ResetUser()
		return nil
	case friendship.EdgeFriend:
		m.ResetFriend()
		return nil
	}
	return fmt.Errorf("unknown Friendship edge %s", name)
}

// GroupMutation represents an operation that mutates the Group nodes in the graph.
type GroupMutation struct {
	config
	op            Op
	typ           string
	id            *int
	name          *string
	clearedFields map[string]struct{}
	users         map[int]struct{}
	removedusers  map[int]struct{}
	clearedusers  bool
	done          bool
	oldValue      func(context.Context) (*Group, error)
	predicates    []predicate.Group
}

var _ ent.Mutation = (*GroupMutation)(nil)

// groupOption allows management of the mutation configuration using functional options.
type groupOption func(*GroupMutation)

// newGroupMutation creates new mutation for the Group entity.
func newGroupMutation(c config, op Op, opts ...groupOption) *GroupMutation {
	m := &GroupMutation{
		config:        c,
		op:            op,
		typ:           TypeGroup,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withGroupID sets the ID field of the mutation.
func withGroupID(id int) groupOption {
	return func(m *GroupMutation) {
		var (
			err   error
			once  sync.Once
			value *Group
		)
		m.oldValue = func(ctx context.Context) (*Group, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Group.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withGroup sets the old Group of the mutation.
func withGroup(node *Group) groupOption {
	return func(m *GroupMutation) {
		m.oldValue = func(context.Context) (*Group, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m GroupMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m GroupMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *GroupMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *GroupMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Group.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *GroupMutation) SetName(s string) {
	m.name = &s
}

// Name returns the value of the "name" field in the mutation.
func (m *GroupMutation) Name() (r string, exists bool) {
	v := m.name
	if v == nil {
		return
	}
	return *v, true
}

// OldName returns the old "name" field's value of the Group entity.
// If the Group object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *GroupMutation) ResetName() {
	m.name = nil
}

// AddUserIDs adds the "users" edge to the User entity by ids.
func (m *GroupMutation) AddUserIDs(ids ...int) {
	if m.users == nil {
		m.users = make(map[int]struct{})
	}
	for i := range ids {
		m.users[ids[i]] = struct{}{}
	}
}

// ClearUsers clears the "users" edge to the User entity.
func (m *GroupMutation) ClearUsers() {
	m.clearedusers = true
}

// UsersCleared reports if the "users" edge to the User entity was cleared.
func (m *GroupMutation) UsersCleared() bool {
	return m.clearedusers
}

// RemoveUserIDs removes the "users" edge to the User entity by IDs.
func (m *GroupMutation) RemoveUserIDs(ids ...int) {
	if m.removedusers == nil {
		m.removedusers = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.users, ids[i])
		m.removedusers[ids[i]] = struct{}{}
	}
}

// RemovedUsers returns the removed IDs of the "users" edge to the User entity.
func (m *GroupMutation) RemovedUsersIDs() (ids []int) {
	for id := range m.removedusers {
		ids = append(ids, id)
	}
	return
}

// UsersIDs returns the "users" edge IDs in the mutation.
func (m *GroupMutation) UsersIDs() (ids []int) {
	for id := range m.users {
		ids = append(ids, id)
	}
	return
}

// ResetUsers resets all changes to the "users" edge.
func (m *GroupMutation) ResetUsers() {
	m.users = nil
	m.clearedusers = false
	m.removedusers = nil
}

// Where appends a list predicates to the GroupMutation builder.
func (m *GroupMutation) Where(ps ...predicate.Group) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the GroupMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *GroupMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Group, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *GroupMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *GroupMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (Group).
func (m *GroupMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *GroupMutation) Fields() []string {
	fields := make([]string, 0, 1)
	if m.name != nil {
		fields = append(fields, group.FieldName)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *GroupMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case group.FieldName:
		return m.Name()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *GroupMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case group.FieldName:
		return m.OldName(ctx)
	}
	return nil, fmt.Errorf("unknown Group field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *GroupMutation) SetField(name string, value ent.Value) error {
	switch name {
	case group.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	}
	return fmt.Errorf("unknown Group field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *GroupMutation) AddedFields() []string {
	return nil
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *GroupMutation) AddedField(name string) (ent.Value, bool) {
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *GroupMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Group numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *GroupMutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *GroupMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *GroupMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Group nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *GroupMutation) ResetField(name string) error {
	switch name {
	case group.FieldName:
		m.ResetName()
		return nil
	}
	return fmt.Errorf("unknown Group field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *GroupMutation) AddedEdges() []string {
	edges := make([]string, 0, 1)
	if m.users != nil {
		edges = append(edges, group.EdgeUsers)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *GroupMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case group.EdgeUsers:
		ids := make([]ent.Value, 0, len(m.users))
		for id := range m.users {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *GroupMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	if m.removedusers != nil {
		edges = append(edges, group.EdgeUsers)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *GroupMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case group.EdgeUsers:
		ids := make([]ent.Value, 0, len(m.removedusers))
		for id := range m.removedusers {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *GroupMutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.clearedusers {
		edges = append(edges, group.EdgeUsers)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *GroupMutation) EdgeCleared(name string) bool {
	switch name {
	case group.EdgeUsers:
		return m.clearedusers
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *GroupMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown Group unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *GroupMutation) ResetEdge(name string) error {
	switch name {
	case group.EdgeUsers:
		m.ResetUsers()
		return nil
	}
	return fmt.Errorf("unknown Group edge %s", name)
}

// OneToManyMutation represents an operation that mutates the OneToMany nodes in the graph.
type OneToManyMutation struct {
	config
	op              Op
	typ             string
	id              *int
	name            *string
	field2          *string
	clearedFields   map[string]struct{}
	parent          *int
	clearedparent   bool
	children        map[int]struct{}
	removedchildren map[int]struct{}
	clearedchildren bool
	done            bool
	oldValue        func(context.Context) (*OneToMany, error)
	predicates      []predicate.OneToMany
}

var _ ent.Mutation = (*OneToManyMutation)(nil)

// onetomanyOption allows management of the mutation configuration using functional options.
type onetomanyOption func(*OneToManyMutation)

// newOneToManyMutation creates new mutation for the OneToMany entity.
func newOneToManyMutation(c config, op Op, opts ...onetomanyOption) *OneToManyMutation {
	m := &OneToManyMutation{
		config:        c,
		op:            op,
		typ:           TypeOneToMany,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withOneToManyID sets the ID field of the mutation.
func withOneToManyID(id int) onetomanyOption {
	return func(m *OneToManyMutation) {
		var (
			err   error
			once  sync.Once
			value *OneToMany
		)
		m.oldValue = func(ctx context.Context) (*OneToMany, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().OneToMany.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withOneToMany sets the old OneToMany of the mutation.
func withOneToMany(node *OneToMany) onetomanyOption {
	return func(m *OneToManyMutation) {
		m.oldValue = func(context.Context) (*OneToMany, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m OneToManyMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m OneToManyMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *OneToManyMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *OneToManyMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().OneToMany.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *OneToManyMutation) SetName(s string) {
	m.name = &s
}

// Name returns the value of the "name" field in the mutation.
func (m *OneToManyMutation) Name() (r string, exists bool) {
	v := m.name
	if v == nil {
		return
	}
	return *v, true
}

// OldName returns the old "name" field's value of the OneToMany entity.
// If the OneToMany object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *OneToManyMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *OneToManyMutation) ResetName() {
	m.name = nil
}

// SetField2 sets the "field2" field.
func (m *OneToManyMutation) SetField2(s string) {
	m.field2 = &s
}

// Field2 returns the value of the "field2" field in the mutation.
func (m *OneToManyMutation) Field2() (r string, exists bool) {
	v := m.field2
	if v == nil {
		return
	}
	return *v, true
}

// OldField2 returns the old "field2" field's value of the OneToMany entity.
// If the OneToMany object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *OneToManyMutation) OldField2(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldField2 is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldField2 requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldField2: %w", err)
	}
	return oldValue.Field2, nil
}

// ClearField2 clears the value of the "field2" field.
func (m *OneToManyMutation) ClearField2() {
	m.field2 = nil
	m.clearedFields[onetomany.FieldField2] = struct{}{}
}

// Field2Cleared returns if the "field2" field was cleared in this mutation.
func (m *OneToManyMutation) Field2Cleared() bool {
	_, ok := m.clearedFields[onetomany.FieldField2]
	return ok
}

// ResetField2 resets all changes to the "field2" field.
func (m *OneToManyMutation) ResetField2() {
	m.field2 = nil
	delete(m.clearedFields, onetomany.FieldField2)
}

// SetParentID sets the "parent_id" field.
func (m *OneToManyMutation) SetParentID(i int) {
	m.parent = &i
}

// ParentID returns the value of the "parent_id" field in the mutation.
func (m *OneToManyMutation) ParentID() (r int, exists bool) {
	v := m.parent
	if v == nil {
		return
	}
	return *v, true
}

// OldParentID returns the old "parent_id" field's value of the OneToMany entity.
// If the OneToMany object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *OneToManyMutation) OldParentID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldParentID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldParentID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldParentID: %w", err)
	}
	return oldValue.ParentID, nil
}

// ClearParentID clears the value of the "parent_id" field.
func (m *OneToManyMutation) ClearParentID() {
	m.parent = nil
	m.clearedFields[onetomany.FieldParentID] = struct{}{}
}

// ParentIDCleared returns if the "parent_id" field was cleared in this mutation.
func (m *OneToManyMutation) ParentIDCleared() bool {
	_, ok := m.clearedFields[onetomany.FieldParentID]
	return ok
}

// ResetParentID resets all changes to the "parent_id" field.
func (m *OneToManyMutation) ResetParentID() {
	m.parent = nil
	delete(m.clearedFields, onetomany.FieldParentID)
}

// ClearParent clears the "parent" edge to the OneToMany entity.
func (m *OneToManyMutation) ClearParent() {
	m.clearedparent = true
}

// ParentCleared reports if the "parent" edge to the OneToMany entity was cleared.
func (m *OneToManyMutation) ParentCleared() bool {
	return m.ParentIDCleared() || m.clearedparent
}

// ParentIDs returns the "parent" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// ParentID instead. It exists only for internal usage by the builders.
func (m *OneToManyMutation) ParentIDs() (ids []int) {
	if id := m.parent; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetParent resets all changes to the "parent" edge.
func (m *OneToManyMutation) ResetParent() {
	m.parent = nil
	m.clearedparent = false
}

// AddChildIDs adds the "children" edge to the OneToMany entity by ids.
func (m *OneToManyMutation) AddChildIDs(ids ...int) {
	if m.children == nil {
		m.children = make(map[int]struct{})
	}
	for i := range ids {
		m.children[ids[i]] = struct{}{}
	}
}

// ClearChildren clears the "children" edge to the OneToMany entity.
func (m *OneToManyMutation) ClearChildren() {
	m.clearedchildren = true
}

// ChildrenCleared reports if the "children" edge to the OneToMany entity was cleared.
func (m *OneToManyMutation) ChildrenCleared() bool {
	return m.clearedchildren
}

// RemoveChildIDs removes the "children" edge to the OneToMany entity by IDs.
func (m *OneToManyMutation) RemoveChildIDs(ids ...int) {
	if m.removedchildren == nil {
		m.removedchildren = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.children, ids[i])
		m.removedchildren[ids[i]] = struct{}{}
	}
}

// RemovedChildren returns the removed IDs of the "children" edge to the OneToMany entity.
func (m *OneToManyMutation) RemovedChildrenIDs() (ids []int) {
	for id := range m.removedchildren {
		ids = append(ids, id)
	}
	return
}

// ChildrenIDs returns the "children" edge IDs in the mutation.
func (m *OneToManyMutation) ChildrenIDs() (ids []int) {
	for id := range m.children {
		ids = append(ids, id)
	}
	return
}

// ResetChildren resets all changes to the "children" edge.
func (m *OneToManyMutation) ResetChildren() {
	m.children = nil
	m.clearedchildren = false
	m.removedchildren = nil
}

// Where appends a list predicates to the OneToManyMutation builder.
func (m *OneToManyMutation) Where(ps ...predicate.OneToMany) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the OneToManyMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *OneToManyMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.OneToMany, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *OneToManyMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *OneToManyMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (OneToMany).
func (m *OneToManyMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *OneToManyMutation) Fields() []string {
	fields := make([]string, 0, 3)
	if m.name != nil {
		fields = append(fields, onetomany.FieldName)
	}
	if m.field2 != nil {
		fields = append(fields, onetomany.FieldField2)
	}
	if m.parent != nil {
		fields = append(fields, onetomany.FieldParentID)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *OneToManyMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case onetomany.FieldName:
		return m.Name()
	case onetomany.FieldField2:
		return m.Field2()
	case onetomany.FieldParentID:
		return m.ParentID()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *OneToManyMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case onetomany.FieldName:
		return m.OldName(ctx)
	case onetomany.FieldField2:
		return m.OldField2(ctx)
	case onetomany.FieldParentID:
		return m.OldParentID(ctx)
	}
	return nil, fmt.Errorf("unknown OneToMany field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *OneToManyMutation) SetField(name string, value ent.Value) error {
	switch name {
	case onetomany.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	case onetomany.FieldField2:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetField2(v)
		return nil
	case onetomany.FieldParentID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetParentID(v)
		return nil
	}
	return fmt.Errorf("unknown OneToMany field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *OneToManyMutation) AddedFields() []string {
	var fields []string
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *OneToManyMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *OneToManyMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown OneToMany numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *OneToManyMutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(onetomany.FieldField2) {
		fields = append(fields, onetomany.FieldField2)
	}
	if m.FieldCleared(onetomany.FieldParentID) {
		fields = append(fields, onetomany.FieldParentID)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *OneToManyMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *OneToManyMutation) ClearField(name string) error {
	switch name {
	case onetomany.FieldField2:
		m.ClearField2()
		return nil
	case onetomany.FieldParentID:
		m.ClearParentID()
		return nil
	}
	return fmt.Errorf("unknown OneToMany nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *OneToManyMutation) ResetField(name string) error {
	switch name {
	case onetomany.FieldName:
		m.ResetName()
		return nil
	case onetomany.FieldField2:
		m.ResetField2()
		return nil
	case onetomany.FieldParentID:
		m.ResetParentID()
		return nil
	}
	return fmt.Errorf("unknown OneToMany field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *OneToManyMutation) AddedEdges() []string {
	edges := make([]string, 0, 2)
	if m.parent != nil {
		edges = append(edges, onetomany.EdgeParent)
	}
	if m.children != nil {
		edges = append(edges, onetomany.EdgeChildren)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *OneToManyMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case onetomany.EdgeParent:
		if id := m.parent; id != nil {
			return []ent.Value{*id}
		}
	case onetomany.EdgeChildren:
		ids := make([]ent.Value, 0, len(m.children))
		for id := range m.children {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *OneToManyMutation) RemovedEdges() []string {
	edges := make([]string, 0, 2)
	if m.removedchildren != nil {
		edges = append(edges, onetomany.EdgeChildren)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *OneToManyMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case onetomany.EdgeChildren:
		ids := make([]ent.Value, 0, len(m.removedchildren))
		for id := range m.removedchildren {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *OneToManyMutation) ClearedEdges() []string {
	edges := make([]string, 0, 2)
	if m.clearedparent {
		edges = append(edges, onetomany.EdgeParent)
	}
	if m.clearedchildren {
		edges = append(edges, onetomany.EdgeChildren)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *OneToManyMutation) EdgeCleared(name string) bool {
	switch name {
	case onetomany.EdgeParent:
		return m.clearedparent
	case onetomany.EdgeChildren:
		return m.clearedchildren
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *OneToManyMutation) ClearEdge(name string) error {
	switch name {
	case onetomany.EdgeParent:
		m.ClearParent()
		return nil
	}
	return fmt.Errorf("unknown OneToMany unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *OneToManyMutation) ResetEdge(name string) error {
	switch name {
	case onetomany.EdgeParent:
		m.ResetParent()
		return nil
	case onetomany.EdgeChildren:
		m.ResetChildren()
		return nil
	}
	return fmt.Errorf("unknown OneToMany edge %s", name)
}

// ProjectMutation represents an operation that mutates the Project nodes in the graph.
type ProjectMutation struct {
	config
	op            Op
	typ           string
	id            *int
	clearedFields map[string]struct{}
	todos         map[int]struct{}
	removedtodos  map[int]struct{}
	clearedtodos  bool
	done          bool
	oldValue      func(context.Context) (*Project, error)
	predicates    []predicate.Project
}

var _ ent.Mutation = (*ProjectMutation)(nil)

// projectOption allows management of the mutation configuration using functional options.
type projectOption func(*ProjectMutation)

// newProjectMutation creates new mutation for the Project entity.
func newProjectMutation(c config, op Op, opts ...projectOption) *ProjectMutation {
	m := &ProjectMutation{
		config:        c,
		op:            op,
		typ:           TypeProject,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withProjectID sets the ID field of the mutation.
func withProjectID(id int) projectOption {
	return func(m *ProjectMutation) {
		var (
			err   error
			once  sync.Once
			value *Project
		)
		m.oldValue = func(ctx context.Context) (*Project, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Project.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withProject sets the old Project of the mutation.
func withProject(node *Project) projectOption {
	return func(m *ProjectMutation) {
		m.oldValue = func(context.Context) (*Project, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m ProjectMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m ProjectMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *ProjectMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *ProjectMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Project.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// AddTodoIDs adds the "todos" edge to the Todo entity by ids.
func (m *ProjectMutation) AddTodoIDs(ids ...int) {
	if m.todos == nil {
		m.todos = make(map[int]struct{})
	}
	for i := range ids {
		m.todos[ids[i]] = struct{}{}
	}
}

// ClearTodos clears the "todos" edge to the Todo entity.
func (m *ProjectMutation) ClearTodos() {
	m.clearedtodos = true
}

// TodosCleared reports if the "todos" edge to the Todo entity was cleared.
func (m *ProjectMutation) TodosCleared() bool {
	return m.clearedtodos
}

// RemoveTodoIDs removes the "todos" edge to the Todo entity by IDs.
func (m *ProjectMutation) RemoveTodoIDs(ids ...int) {
	if m.removedtodos == nil {
		m.removedtodos = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.todos, ids[i])
		m.removedtodos[ids[i]] = struct{}{}
	}
}

// RemovedTodos returns the removed IDs of the "todos" edge to the Todo entity.
func (m *ProjectMutation) RemovedTodosIDs() (ids []int) {
	for id := range m.removedtodos {
		ids = append(ids, id)
	}
	return
}

// TodosIDs returns the "todos" edge IDs in the mutation.
func (m *ProjectMutation) TodosIDs() (ids []int) {
	for id := range m.todos {
		ids = append(ids, id)
	}
	return
}

// ResetTodos resets all changes to the "todos" edge.
func (m *ProjectMutation) ResetTodos() {
	m.todos = nil
	m.clearedtodos = false
	m.removedtodos = nil
}

// Where appends a list predicates to the ProjectMutation builder.
func (m *ProjectMutation) Where(ps ...predicate.Project) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the ProjectMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *ProjectMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Project, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *ProjectMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *ProjectMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (Project).
func (m *ProjectMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *ProjectMutation) Fields() []string {
	fields := make([]string, 0, 0)
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *ProjectMutation) Field(name string) (ent.Value, bool) {
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *ProjectMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	return nil, fmt.Errorf("unknown Project field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *ProjectMutation) SetField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Project field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *ProjectMutation) AddedFields() []string {
	return nil
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *ProjectMutation) AddedField(name string) (ent.Value, bool) {
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *ProjectMutation) AddField(name string, value ent.Value) error {
	return fmt.Errorf("unknown Project numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *ProjectMutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *ProjectMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *ProjectMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Project nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *ProjectMutation) ResetField(name string) error {
	return fmt.Errorf("unknown Project field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *ProjectMutation) AddedEdges() []string {
	edges := make([]string, 0, 1)
	if m.todos != nil {
		edges = append(edges, project.EdgeTodos)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *ProjectMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case project.EdgeTodos:
		ids := make([]ent.Value, 0, len(m.todos))
		for id := range m.todos {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *ProjectMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	if m.removedtodos != nil {
		edges = append(edges, project.EdgeTodos)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *ProjectMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case project.EdgeTodos:
		ids := make([]ent.Value, 0, len(m.removedtodos))
		for id := range m.removedtodos {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *ProjectMutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.clearedtodos {
		edges = append(edges, project.EdgeTodos)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *ProjectMutation) EdgeCleared(name string) bool {
	switch name {
	case project.EdgeTodos:
		return m.clearedtodos
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *ProjectMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown Project unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *ProjectMutation) ResetEdge(name string) error {
	switch name {
	case project.EdgeTodos:
		m.ResetTodos()
		return nil
	}
	return fmt.Errorf("unknown Project edge %s", name)
}

// TodoMutation represents an operation that mutates the Todo nodes in the graph.
type TodoMutation struct {
	config
	op              Op
	typ             string
	id              *int
	created_at      *time.Time
	status          *todo.Status
	priority        *int
	addpriority     *int
	text            *string
	blob            *[]byte
	init            *map[string]interface{}
	custom          *[]customstruct.Custom
	appendcustom    []customstruct.Custom
	customp         *[]*customstruct.Custom
	appendcustomp   []*customstruct.Custom
	clearedFields   map[string]struct{}
	parent          *int
	clearedparent   bool
	children        map[int]struct{}
	removedchildren map[int]struct{}
	clearedchildren bool
	category        *int
	clearedcategory bool
	secret          *int
	clearedsecret   bool
	done            bool
	oldValue        func(context.Context) (*Todo, error)
	predicates      []predicate.Todo
}

var _ ent.Mutation = (*TodoMutation)(nil)

// todoOption allows management of the mutation configuration using functional options.
type todoOption func(*TodoMutation)

// newTodoMutation creates new mutation for the Todo entity.
func newTodoMutation(c config, op Op, opts ...todoOption) *TodoMutation {
	m := &TodoMutation{
		config:        c,
		op:            op,
		typ:           TypeTodo,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withTodoID sets the ID field of the mutation.
func withTodoID(id int) todoOption {
	return func(m *TodoMutation) {
		var (
			err   error
			once  sync.Once
			value *Todo
		)
		m.oldValue = func(ctx context.Context) (*Todo, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Todo.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withTodo sets the old Todo of the mutation.
func withTodo(node *Todo) todoOption {
	return func(m *TodoMutation) {
		m.oldValue = func(context.Context) (*Todo, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m TodoMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m TodoMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *TodoMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *TodoMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Todo.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetCreatedAt sets the "created_at" field.
func (m *TodoMutation) SetCreatedAt(t time.Time) {
	m.created_at = &t
}

// CreatedAt returns the value of the "created_at" field in the mutation.
func (m *TodoMutation) CreatedAt() (r time.Time, exists bool) {
	v := m.created_at
	if v == nil {
		return
	}
	return *v, true
}

// OldCreatedAt returns the old "created_at" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
	}
	return oldValue.CreatedAt, nil
}

// ResetCreatedAt resets all changes to the "created_at" field.
func (m *TodoMutation) ResetCreatedAt() {
	m.created_at = nil
}

// SetStatus sets the "status" field.
func (m *TodoMutation) SetStatus(t todo.Status) {
	m.status = &t
}

// Status returns the value of the "status" field in the mutation.
func (m *TodoMutation) Status() (r todo.Status, exists bool) {
	v := m.status
	if v == nil {
		return
	}
	return *v, true
}

// OldStatus returns the old "status" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldStatus(ctx context.Context) (v todo.Status, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldStatus is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldStatus requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldStatus: %w", err)
	}
	return oldValue.Status, nil
}

// ResetStatus resets all changes to the "status" field.
func (m *TodoMutation) ResetStatus() {
	m.status = nil
}

// SetPriority sets the "priority" field.
func (m *TodoMutation) SetPriority(i int) {
	m.priority = &i
	m.addpriority = nil
}

// Priority returns the value of the "priority" field in the mutation.
func (m *TodoMutation) Priority() (r int, exists bool) {
	v := m.priority
	if v == nil {
		return
	}
	return *v, true
}

// OldPriority returns the old "priority" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldPriority(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldPriority is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldPriority requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldPriority: %w", err)
	}
	return oldValue.Priority, nil
}

// AddPriority adds i to the "priority" field.
func (m *TodoMutation) AddPriority(i int) {
	if m.addpriority != nil {
		*m.addpriority += i
	} else {
		m.addpriority = &i
	}
}

// AddedPriority returns the value that was added to the "priority" field in this mutation.
func (m *TodoMutation) AddedPriority() (r int, exists bool) {
	v := m.addpriority
	if v == nil {
		return
	}
	return *v, true
}

// ResetPriority resets all changes to the "priority" field.
func (m *TodoMutation) ResetPriority() {
	m.priority = nil
	m.addpriority = nil
}

// SetText sets the "text" field.
func (m *TodoMutation) SetText(s string) {
	m.text = &s
}

// Text returns the value of the "text" field in the mutation.
func (m *TodoMutation) Text() (r string, exists bool) {
	v := m.text
	if v == nil {
		return
	}
	return *v, true
}

// OldText returns the old "text" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldText(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldText is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldText requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldText: %w", err)
	}
	return oldValue.Text, nil
}

// ResetText resets all changes to the "text" field.
func (m *TodoMutation) ResetText() {
	m.text = nil
}

// SetBlob sets the "blob" field.
func (m *TodoMutation) SetBlob(b []byte) {
	m.blob = &b
}

// Blob returns the value of the "blob" field in the mutation.
func (m *TodoMutation) Blob() (r []byte, exists bool) {
	v := m.blob
	if v == nil {
		return
	}
	return *v, true
}

// OldBlob returns the old "blob" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldBlob(ctx context.Context) (v []byte, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldBlob is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldBlob requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldBlob: %w", err)
	}
	return oldValue.Blob, nil
}

// ClearBlob clears the value of the "blob" field.
func (m *TodoMutation) ClearBlob() {
	m.blob = nil
	m.clearedFields[todo.FieldBlob] = struct{}{}
}

// BlobCleared returns if the "blob" field was cleared in this mutation.
func (m *TodoMutation) BlobCleared() bool {
	_, ok := m.clearedFields[todo.FieldBlob]
	return ok
}

// ResetBlob resets all changes to the "blob" field.
func (m *TodoMutation) ResetBlob() {
	m.blob = nil
	delete(m.clearedFields, todo.FieldBlob)
}

// SetCategoryID sets the "category_id" field.
func (m *TodoMutation) SetCategoryID(i int) {
	m.category = &i
}

// CategoryID returns the value of the "category_id" field in the mutation.
func (m *TodoMutation) CategoryID() (r int, exists bool) {
	v := m.category
	if v == nil {
		return
	}
	return *v, true
}

// OldCategoryID returns the old "category_id" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldCategoryID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCategoryID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCategoryID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCategoryID: %w", err)
	}
	return oldValue.CategoryID, nil
}

// ClearCategoryID clears the value of the "category_id" field.
func (m *TodoMutation) ClearCategoryID() {
	m.category = nil
	m.clearedFields[todo.FieldCategoryID] = struct{}{}
}

// CategoryIDCleared returns if the "category_id" field was cleared in this mutation.
func (m *TodoMutation) CategoryIDCleared() bool {
	_, ok := m.clearedFields[todo.FieldCategoryID]
	return ok
}

// ResetCategoryID resets all changes to the "category_id" field.
func (m *TodoMutation) ResetCategoryID() {
	m.category = nil
	delete(m.clearedFields, todo.FieldCategoryID)
}

// SetInit sets the "init" field.
func (m *TodoMutation) SetInit(value map[string]interface{}) {
	m.init = &value
}

// Init returns the value of the "init" field in the mutation.
func (m *TodoMutation) Init() (r map[string]interface{}, exists bool) {
	v := m.init
	if v == nil {
		return
	}
	return *v, true
}

// OldInit returns the old "init" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldInit(ctx context.Context) (v map[string]interface{}, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldInit is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldInit requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldInit: %w", err)
	}
	return oldValue.Init, nil
}

// ClearInit clears the value of the "init" field.
func (m *TodoMutation) ClearInit() {
	m.init = nil
	m.clearedFields[todo.FieldInit] = struct{}{}
}

// InitCleared returns if the "init" field was cleared in this mutation.
func (m *TodoMutation) InitCleared() bool {
	_, ok := m.clearedFields[todo.FieldInit]
	return ok
}

// ResetInit resets all changes to the "init" field.
func (m *TodoMutation) ResetInit() {
	m.init = nil
	delete(m.clearedFields, todo.FieldInit)
}

// SetCustom sets the "custom" field.
func (m *TodoMutation) SetCustom(c []customstruct.Custom) {
	m.custom = &c
	m.appendcustom = nil
}

// Custom returns the value of the "custom" field in the mutation.
func (m *TodoMutation) Custom() (r []customstruct.Custom, exists bool) {
	v := m.custom
	if v == nil {
		return
	}
	return *v, true
}

// OldCustom returns the old "custom" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldCustom(ctx context.Context) (v []customstruct.Custom, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCustom is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCustom requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCustom: %w", err)
	}
	return oldValue.Custom, nil
}

// AppendCustom adds c to the "custom" field.
func (m *TodoMutation) AppendCustom(c []customstruct.Custom) {
	m.appendcustom = append(m.appendcustom, c...)
}

// AppendedCustom returns the list of values that were appended to the "custom" field in this mutation.
func (m *TodoMutation) AppendedCustom() ([]customstruct.Custom, bool) {
	if len(m.appendcustom) == 0 {
		return nil, false
	}
	return m.appendcustom, true
}

// ClearCustom clears the value of the "custom" field.
func (m *TodoMutation) ClearCustom() {
	m.custom = nil
	m.appendcustom = nil
	m.clearedFields[todo.FieldCustom] = struct{}{}
}

// CustomCleared returns if the "custom" field was cleared in this mutation.
func (m *TodoMutation) CustomCleared() bool {
	_, ok := m.clearedFields[todo.FieldCustom]
	return ok
}

// ResetCustom resets all changes to the "custom" field.
func (m *TodoMutation) ResetCustom() {
	m.custom = nil
	m.appendcustom = nil
	delete(m.clearedFields, todo.FieldCustom)
}

// SetCustomp sets the "customp" field.
func (m *TodoMutation) SetCustomp(c []*customstruct.Custom) {
	m.customp = &c
	m.appendcustomp = nil
}

// Customp returns the value of the "customp" field in the mutation.
func (m *TodoMutation) Customp() (r []*customstruct.Custom, exists bool) {
	v := m.customp
	if v == nil {
		return
	}
	return *v, true
}

// OldCustomp returns the old "customp" field's value of the Todo entity.
// If the Todo object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *TodoMutation) OldCustomp(ctx context.Context) (v []*customstruct.Custom, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCustomp is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCustomp requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCustomp: %w", err)
	}
	return oldValue.Customp, nil
}

// AppendCustomp adds c to the "customp" field.
func (m *TodoMutation) AppendCustomp(c []*customstruct.Custom) {
	m.appendcustomp = append(m.appendcustomp, c...)
}

// AppendedCustomp returns the list of values that were appended to the "customp" field in this mutation.
func (m *TodoMutation) AppendedCustomp() ([]*customstruct.Custom, bool) {
	if len(m.appendcustomp) == 0 {
		return nil, false
	}
	return m.appendcustomp, true
}

// ClearCustomp clears the value of the "customp" field.
func (m *TodoMutation) ClearCustomp() {
	m.customp = nil
	m.appendcustomp = nil
	m.clearedFields[todo.FieldCustomp] = struct{}{}
}

// CustompCleared returns if the "customp" field was cleared in this mutation.
func (m *TodoMutation) CustompCleared() bool {
	_, ok := m.clearedFields[todo.FieldCustomp]
	return ok
}

// ResetCustomp resets all changes to the "customp" field.
func (m *TodoMutation) ResetCustomp() {
	m.customp = nil
	m.appendcustomp = nil
	delete(m.clearedFields, todo.FieldCustomp)
}

// SetParentID sets the "parent" edge to the Todo entity by id.
func (m *TodoMutation) SetParentID(id int) {
	m.parent = &id
}

// ClearParent clears the "parent" edge to the Todo entity.
func (m *TodoMutation) ClearParent() {
	m.clearedparent = true
}

// ParentCleared reports if the "parent" edge to the Todo entity was cleared.
func (m *TodoMutation) ParentCleared() bool {
	return m.clearedparent
}

// ParentID returns the "parent" edge ID in the mutation.
func (m *TodoMutation) ParentID() (id int, exists bool) {
	if m.parent != nil {
		return *m.parent, true
	}
	return
}

// ParentIDs returns the "parent" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// ParentID instead. It exists only for internal usage by the builders.
func (m *TodoMutation) ParentIDs() (ids []int) {
	if id := m.parent; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetParent resets all changes to the "parent" edge.
func (m *TodoMutation) ResetParent() {
	m.parent = nil
	m.clearedparent = false
}

// AddChildIDs adds the "children" edge to the Todo entity by ids.
func (m *TodoMutation) AddChildIDs(ids ...int) {
	if m.children == nil {
		m.children = make(map[int]struct{})
	}
	for i := range ids {
		m.children[ids[i]] = struct{}{}
	}
}

// ClearChildren clears the "children" edge to the Todo entity.
func (m *TodoMutation) ClearChildren() {
	m.clearedchildren = true
}

// ChildrenCleared reports if the "children" edge to the Todo entity was cleared.
func (m *TodoMutation) ChildrenCleared() bool {
	return m.clearedchildren
}

// RemoveChildIDs removes the "children" edge to the Todo entity by IDs.
func (m *TodoMutation) RemoveChildIDs(ids ...int) {
	if m.removedchildren == nil {
		m.removedchildren = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.children, ids[i])
		m.removedchildren[ids[i]] = struct{}{}
	}
}

// RemovedChildren returns the removed IDs of the "children" edge to the Todo entity.
func (m *TodoMutation) RemovedChildrenIDs() (ids []int) {
	for id := range m.removedchildren {
		ids = append(ids, id)
	}
	return
}

// ChildrenIDs returns the "children" edge IDs in the mutation.
func (m *TodoMutation) ChildrenIDs() (ids []int) {
	for id := range m.children {
		ids = append(ids, id)
	}
	return
}

// ResetChildren resets all changes to the "children" edge.
func (m *TodoMutation) ResetChildren() {
	m.children = nil
	m.clearedchildren = false
	m.removedchildren = nil
}

// ClearCategory clears the "category" edge to the Category entity.
func (m *TodoMutation) ClearCategory() {
	m.clearedcategory = true
}

// CategoryCleared reports if the "category" edge to the Category entity was cleared.
func (m *TodoMutation) CategoryCleared() bool {
	return m.CategoryIDCleared() || m.clearedcategory
}

// CategoryIDs returns the "category" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// CategoryID instead. It exists only for internal usage by the builders.
func (m *TodoMutation) CategoryIDs() (ids []int) {
	if id := m.category; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetCategory resets all changes to the "category" edge.
func (m *TodoMutation) ResetCategory() {
	m.category = nil
	m.clearedcategory = false
}

// SetSecretID sets the "secret" edge to the VerySecret entity by id.
func (m *TodoMutation) SetSecretID(id int) {
	m.secret = &id
}

// ClearSecret clears the "secret" edge to the VerySecret entity.
func (m *TodoMutation) ClearSecret() {
	m.clearedsecret = true
}

// SecretCleared reports if the "secret" edge to the VerySecret entity was cleared.
func (m *TodoMutation) SecretCleared() bool {
	return m.clearedsecret
}

// SecretID returns the "secret" edge ID in the mutation.
func (m *TodoMutation) SecretID() (id int, exists bool) {
	if m.secret != nil {
		return *m.secret, true
	}
	return
}

// SecretIDs returns the "secret" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// SecretID instead. It exists only for internal usage by the builders.
func (m *TodoMutation) SecretIDs() (ids []int) {
	if id := m.secret; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetSecret resets all changes to the "secret" edge.
func (m *TodoMutation) ResetSecret() {
	m.secret = nil
	m.clearedsecret = false
}

// Where appends a list predicates to the TodoMutation builder.
func (m *TodoMutation) Where(ps ...predicate.Todo) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the TodoMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *TodoMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Todo, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *TodoMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *TodoMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (Todo).
func (m *TodoMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *TodoMutation) Fields() []string {
	fields := make([]string, 0, 9)
	if m.created_at != nil {
		fields = append(fields, todo.FieldCreatedAt)
	}
	if m.status != nil {
		fields = append(fields, todo.FieldStatus)
	}
	if m.priority != nil {
		fields = append(fields, todo.FieldPriority)
	}
	if m.text != nil {
		fields = append(fields, todo.FieldText)
	}
	if m.blob != nil {
		fields = append(fields, todo.FieldBlob)
	}
	if m.category != nil {
		fields = append(fields, todo.FieldCategoryID)
	}
	if m.init != nil {
		fields = append(fields, todo.FieldInit)
	}
	if m.custom != nil {
		fields = append(fields, todo.FieldCustom)
	}
	if m.customp != nil {
		fields = append(fields, todo.FieldCustomp)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *TodoMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case todo.FieldCreatedAt:
		return m.CreatedAt()
	case todo.FieldStatus:
		return m.Status()
	case todo.FieldPriority:
		return m.Priority()
	case todo.FieldText:
		return m.Text()
	case todo.FieldBlob:
		return m.Blob()
	case todo.FieldCategoryID:
		return m.CategoryID()
	case todo.FieldInit:
		return m.Init()
	case todo.FieldCustom:
		return m.Custom()
	case todo.FieldCustomp:
		return m.Customp()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *TodoMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case todo.FieldCreatedAt:
		return m.OldCreatedAt(ctx)
	case todo.FieldStatus:
		return m.OldStatus(ctx)
	case todo.FieldPriority:
		return m.OldPriority(ctx)
	case todo.FieldText:
		return m.OldText(ctx)
	case todo.FieldBlob:
		return m.OldBlob(ctx)
	case todo.FieldCategoryID:
		return m.OldCategoryID(ctx)
	case todo.FieldInit:
		return m.OldInit(ctx)
	case todo.FieldCustom:
		return m.OldCustom(ctx)
	case todo.FieldCustomp:
		return m.OldCustomp(ctx)
	}
	return nil, fmt.Errorf("unknown Todo field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *TodoMutation) SetField(name string, value ent.Value) error {
	switch name {
	case todo.FieldCreatedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreatedAt(v)
		return nil
	case todo.FieldStatus:
		v, ok := value.(todo.Status)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetStatus(v)
		return nil
	case todo.FieldPriority:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetPriority(v)
		return nil
	case todo.FieldText:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetText(v)
		return nil
	case todo.FieldBlob:
		v, ok := value.([]byte)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetBlob(v)
		return nil
	case todo.FieldCategoryID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCategoryID(v)
		return nil
	case todo.FieldInit:
		v, ok := value.(map[string]interface{})
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetInit(v)
		return nil
	case todo.FieldCustom:
		v, ok := value.([]customstruct.Custom)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCustom(v)
		return nil
	case todo.FieldCustomp:
		v, ok := value.([]*customstruct.Custom)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCustomp(v)
		return nil
	}
	return fmt.Errorf("unknown Todo field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *TodoMutation) AddedFields() []string {
	var fields []string
	if m.addpriority != nil {
		fields = append(fields, todo.FieldPriority)
	}
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *TodoMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case todo.FieldPriority:
		return m.AddedPriority()
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *TodoMutation) AddField(name string, value ent.Value) error {
	switch name {
	case todo.FieldPriority:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddPriority(v)
		return nil
	}
	return fmt.Errorf("unknown Todo numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *TodoMutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(todo.FieldBlob) {
		fields = append(fields, todo.FieldBlob)
	}
	if m.FieldCleared(todo.FieldCategoryID) {
		fields = append(fields, todo.FieldCategoryID)
	}
	if m.FieldCleared(todo.FieldInit) {
		fields = append(fields, todo.FieldInit)
	}
	if m.FieldCleared(todo.FieldCustom) {
		fields = append(fields, todo.FieldCustom)
	}
	if m.FieldCleared(todo.FieldCustomp) {
		fields = append(fields, todo.FieldCustomp)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *TodoMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *TodoMutation) ClearField(name string) error {
	switch name {
	case todo.FieldBlob:
		m.ClearBlob()
		return nil
	case todo.FieldCategoryID:
		m.ClearCategoryID()
		return nil
	case todo.FieldInit:
		m.ClearInit()
		return nil
	case todo.FieldCustom:
		m.ClearCustom()
		return nil
	case todo.FieldCustomp:
		m.ClearCustomp()
		return nil
	}
	return fmt.Errorf("unknown Todo nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *TodoMutation) ResetField(name string) error {
	switch name {
	case todo.FieldCreatedAt:
		m.ResetCreatedAt()
		return nil
	case todo.FieldStatus:
		m.ResetStatus()
		return nil
	case todo.FieldPriority:
		m.ResetPriority()
		return nil
	case todo.FieldText:
		m.ResetText()
		return nil
	case todo.FieldBlob:
		m.ResetBlob()
		return nil
	case todo.FieldCategoryID:
		m.ResetCategoryID()
		return nil
	case todo.FieldInit:
		m.ResetInit()
		return nil
	case todo.FieldCustom:
		m.ResetCustom()
		return nil
	case todo.FieldCustomp:
		m.ResetCustomp()
		return nil
	}
	return fmt.Errorf("unknown Todo field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *TodoMutation) AddedEdges() []string {
	edges := make([]string, 0, 4)
	if m.parent != nil {
		edges = append(edges, todo.EdgeParent)
	}
	if m.children != nil {
		edges = append(edges, todo.EdgeChildren)
	}
	if m.category != nil {
		edges = append(edges, todo.EdgeCategory)
	}
	if m.secret != nil {
		edges = append(edges, todo.EdgeSecret)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *TodoMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case todo.EdgeParent:
		if id := m.parent; id != nil {
			return []ent.Value{*id}
		}
	case todo.EdgeChildren:
		ids := make([]ent.Value, 0, len(m.children))
		for id := range m.children {
			ids = append(ids, id)
		}
		return ids
	case todo.EdgeCategory:
		if id := m.category; id != nil {
			return []ent.Value{*id}
		}
	case todo.EdgeSecret:
		if id := m.secret; id != nil {
			return []ent.Value{*id}
		}
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *TodoMutation) RemovedEdges() []string {
	edges := make([]string, 0, 4)
	if m.removedchildren != nil {
		edges = append(edges, todo.EdgeChildren)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *TodoMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case todo.EdgeChildren:
		ids := make([]ent.Value, 0, len(m.removedchildren))
		for id := range m.removedchildren {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *TodoMutation) ClearedEdges() []string {
	edges := make([]string, 0, 4)
	if m.clearedparent {
		edges = append(edges, todo.EdgeParent)
	}
	if m.clearedchildren {
		edges = append(edges, todo.EdgeChildren)
	}
	if m.clearedcategory {
		edges = append(edges, todo.EdgeCategory)
	}
	if m.clearedsecret {
		edges = append(edges, todo.EdgeSecret)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *TodoMutation) EdgeCleared(name string) bool {
	switch name {
	case todo.EdgeParent:
		return m.clearedparent
	case todo.EdgeChildren:
		return m.clearedchildren
	case todo.EdgeCategory:
		return m.clearedcategory
	case todo.EdgeSecret:
		return m.clearedsecret
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *TodoMutation) ClearEdge(name string) error {
	switch name {
	case todo.EdgeParent:
		m.ClearParent()
		return nil
	case todo.EdgeCategory:
		m.ClearCategory()
		return nil
	case todo.EdgeSecret:
		m.ClearSecret()
		return nil
	}
	return fmt.Errorf("unknown Todo unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *TodoMutation) ResetEdge(name string) error {
	switch name {
	case todo.EdgeParent:
		m.ResetParent()
		return nil
	case todo.EdgeChildren:
		m.ResetChildren()
		return nil
	case todo.EdgeCategory:
		m.ResetCategory()
		return nil
	case todo.EdgeSecret:
		m.ResetSecret()
		return nil
	}
	return fmt.Errorf("unknown Todo edge %s", name)
}

// UserMutation represents an operation that mutates the User nodes in the graph.
type UserMutation struct {
	config
	op                 Op
	typ                string
	id                 *int
	name               *string
	username           *uuid.UUID
	password           *string
	metadata           *map[string]interface{}
	clearedFields      map[string]struct{}
	groups             map[int]struct{}
	removedgroups      map[int]struct{}
	clearedgroups      bool
	friends            map[int]struct{}
	removedfriends     map[int]struct{}
	clearedfriends     bool
	friendships        map[int]struct{}
	removedfriendships map[int]struct{}
	clearedfriendships bool
	done               bool
	oldValue           func(context.Context) (*User, error)
	predicates         []predicate.User
}

var _ ent.Mutation = (*UserMutation)(nil)

// userOption allows management of the mutation configuration using functional options.
type userOption func(*UserMutation)

// newUserMutation creates new mutation for the User entity.
func newUserMutation(c config, op Op, opts ...userOption) *UserMutation {
	m := &UserMutation{
		config:        c,
		op:            op,
		typ:           TypeUser,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withUserID sets the ID field of the mutation.
func withUserID(id int) userOption {
	return func(m *UserMutation) {
		var (
			err   error
			once  sync.Once
			value *User
		)
		m.oldValue = func(ctx context.Context) (*User, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().User.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withUser sets the old User of the mutation.
func withUser(node *User) userOption {
	return func(m *UserMutation) {
		m.oldValue = func(context.Context) (*User, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m UserMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m UserMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *UserMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *UserMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().User.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *UserMutation) SetName(s string) {
	m.name = &s
}

// Name returns the value of the "name" field in the mutation.
func (m *UserMutation) Name() (r string, exists bool) {
	v := m.name
	if v == nil {
		return
	}
	return *v, true
}

// OldName returns the old "name" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *UserMutation) ResetName() {
	m.name = nil
}

// SetUsername sets the "username" field.
func (m *UserMutation) SetUsername(u uuid.UUID) {
	m.username = &u
}

// Username returns the value of the "username" field in the mutation.
func (m *UserMutation) Username() (r uuid.UUID, exists bool) {
	v := m.username
	if v == nil {
		return
	}
	return *v, true
}

// OldUsername returns the old "username" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldUsername(ctx context.Context) (v uuid.UUID, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldUsername is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldUsername requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldUsername: %w", err)
	}
	return oldValue.Username, nil
}

// ResetUsername resets all changes to the "username" field.
func (m *UserMutation) ResetUsername() {
	m.username = nil
}

// SetPassword sets the "password" field.
func (m *UserMutation) SetPassword(s string) {
	m.password = &s
}

// Password returns the value of the "password" field in the mutation.
func (m *UserMutation) Password() (r string, exists bool) {
	v := m.password
	if v == nil {
		return
	}
	return *v, true
}

// OldPassword returns the old "password" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldPassword(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldPassword is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldPassword requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldPassword: %w", err)
	}
	return oldValue.Password, nil
}

// ClearPassword clears the value of the "password" field.
func (m *UserMutation) ClearPassword() {
	m.password = nil
	m.clearedFields[user.FieldPassword] = struct{}{}
}

// PasswordCleared returns if the "password" field was cleared in this mutation.
func (m *UserMutation) PasswordCleared() bool {
	_, ok := m.clearedFields[user.FieldPassword]
	return ok
}

// ResetPassword resets all changes to the "password" field.
func (m *UserMutation) ResetPassword() {
	m.password = nil
	delete(m.clearedFields, user.FieldPassword)
}

// SetMetadata sets the "metadata" field.
func (m *UserMutation) SetMetadata(value map[string]interface{}) {
	m.metadata = &value
}

// Metadata returns the value of the "metadata" field in the mutation.
func (m *UserMutation) Metadata() (r map[string]interface{}, exists bool) {
	v := m.metadata
	if v == nil {
		return
	}
	return *v, true
}

// OldMetadata returns the old "metadata" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldMetadata(ctx context.Context) (v map[string]interface{}, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldMetadata is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldMetadata requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldMetadata: %w", err)
	}
	return oldValue.Metadata, nil
}

// ClearMetadata clears the value of the "metadata" field.
func (m *UserMutation) ClearMetadata() {
	m.metadata = nil
	m.clearedFields[user.FieldMetadata] = struct{}{}
}

// MetadataCleared returns if the "metadata" field was cleared in this mutation.
func (m *UserMutation) MetadataCleared() bool {
	_, ok := m.clearedFields[user.FieldMetadata]
	return ok
}

// ResetMetadata resets all changes to the "metadata" field.
func (m *UserMutation) ResetMetadata() {
	m.metadata = nil
	delete(m.clearedFields, user.FieldMetadata)
}

// AddGroupIDs adds the "groups" edge to the Group entity by ids.
func (m *UserMutation) AddGroupIDs(ids ...int) {
	if m.groups == nil {
		m.groups = make(map[int]struct{})
	}
	for i := range ids {
		m.groups[ids[i]] = struct{}{}
	}
}

// ClearGroups clears the "groups" edge to the Group entity.
func (m *UserMutation) ClearGroups() {
	m.clearedgroups = true
}

// GroupsCleared reports if the "groups" edge to the Group entity was cleared.
func (m *UserMutation) GroupsCleared() bool {
	return m.clearedgroups
}

// RemoveGroupIDs removes the "groups" edge to the Group entity by IDs.
func (m *UserMutation) RemoveGroupIDs(ids ...int) {
	if m.removedgroups == nil {
		m.removedgroups = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.groups, ids[i])
		m.removedgroups[ids[i]] = struct{}{}
	}
}

// RemovedGroups returns the removed IDs of the "groups" edge to the Group entity.
func (m *UserMutation) RemovedGroupsIDs() (ids []int) {
	for id := range m.removedgroups {
		ids = append(ids, id)
	}
	return
}

// GroupsIDs returns the "groups" edge IDs in the mutation.
func (m *UserMutation) GroupsIDs() (ids []int) {
	for id := range m.groups {
		ids = append(ids, id)
	}
	return
}

// ResetGroups resets all changes to the "groups" edge.
func (m *UserMutation) ResetGroups() {
	m.groups = nil
	m.clearedgroups = false
	m.removedgroups = nil
}

// AddFriendIDs adds the "friends" edge to the User entity by ids.
func (m *UserMutation) AddFriendIDs(ids ...int) {
	if m.friends == nil {
		m.friends = make(map[int]struct{})
	}
	for i := range ids {
		m.friends[ids[i]] = struct{}{}
	}
}

// ClearFriends clears the "friends" edge to the User entity.
func (m *UserMutation) ClearFriends() {
	m.clearedfriends = true
}

// FriendsCleared reports if the "friends" edge to the User entity was cleared.
func (m *UserMutation) FriendsCleared() bool {
	return m.clearedfriends
}

// RemoveFriendIDs removes the "friends" edge to the User entity by IDs.
func (m *UserMutation) RemoveFriendIDs(ids ...int) {
	if m.removedfriends == nil {
		m.removedfriends = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.friends, ids[i])
		m.removedfriends[ids[i]] = struct{}{}
	}
}

// RemovedFriends returns the removed IDs of the "friends" edge to the User entity.
func (m *UserMutation) RemovedFriendsIDs() (ids []int) {
	for id := range m.removedfriends {
		ids = append(ids, id)
	}
	return
}

// FriendsIDs returns the "friends" edge IDs in the mutation.
func (m *UserMutation) FriendsIDs() (ids []int) {
	for id := range m.friends {
		ids = append(ids, id)
	}
	return
}

// ResetFriends resets all changes to the "friends" edge.
func (m *UserMutation) ResetFriends() {
	m.friends = nil
	m.clearedfriends = false
	m.removedfriends = nil
}

// AddFriendshipIDs adds the "friendships" edge to the Friendship entity by ids.
func (m *UserMutation) AddFriendshipIDs(ids ...int) {
	if m.friendships == nil {
		m.friendships = make(map[int]struct{})
	}
	for i := range ids {
		m.friendships[ids[i]] = struct{}{}
	}
}

// ClearFriendships clears the "friendships" edge to the Friendship entity.
func (m *UserMutation) ClearFriendships() {
	m.clearedfriendships = true
}

// FriendshipsCleared reports if the "friendships" edge to the Friendship entity was cleared.
func (m *UserMutation) FriendshipsCleared() bool {
	return m.clearedfriendships
}

// RemoveFriendshipIDs removes the "friendships" edge to the Friendship entity by IDs.
func (m *UserMutation) RemoveFriendshipIDs(ids ...int) {
	if m.removedfriendships == nil {
		m.removedfriendships = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.friendships, ids[i])
		m.removedfriendships[ids[i]] = struct{}{}
	}
}

// RemovedFriendships returns the removed IDs of the "friendships" edge to the Friendship entity.
func (m *UserMutation) RemovedFriendshipsIDs() (ids []int) {
	for id := range m.removedfriendships {
		ids = append(ids, id)
	}
	return
}

// FriendshipsIDs returns the "friendships" edge IDs in the mutation.
func (m *UserMutation) FriendshipsIDs() (ids []int) {
	for id := range m.friendships {
		ids = append(ids, id)
	}
	return
}

// ResetFriendships resets all changes to the "friendships" edge.
func (m *UserMutation) ResetFriendships() {
	m.friendships = nil
	m.clearedfriendships = false
	m.removedfriendships = nil
}

// Where appends a list predicates to the UserMutation builder.
func (m *UserMutation) Where(ps ...predicate.User) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the UserMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *UserMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.User, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *UserMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *UserMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (User).
func (m *UserMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *UserMutation) Fields() []string {
	fields := make([]string, 0, 4)
	if m.name != nil {
		fields = append(fields, user.FieldName)
	}
	if m.username != nil {
		fields = append(fields, user.FieldUsername)
	}
	if m.password != nil {
		fields = append(fields, user.FieldPassword)
	}
	if m.metadata != nil {
		fields = append(fields, user.FieldMetadata)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *UserMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case user.FieldName:
		return m.Name()
	case user.FieldUsername:
		return m.Username()
	case user.FieldPassword:
		return m.Password()
	case user.FieldMetadata:
		return m.Metadata()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case user.FieldName:
		return m.OldName(ctx)
	case user.FieldUsername:
		return m.OldUsername(ctx)
	case user.FieldPassword:
		return m.OldPassword(ctx)
	case user.FieldMetadata:
		return m.OldMetadata(ctx)
	}
	return nil, fmt.Errorf("unknown User field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *UserMutation) SetField(name string, value ent.Value) error {
	switch name {
	case user.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	case user.FieldUsername:
		v, ok := value.(uuid.UUID)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUsername(v)
		return nil
	case user.FieldPassword:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetPassword(v)
		return nil
	case user.FieldMetadata:
		v, ok := value.(map[string]interface{})
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetMetadata(v)
		return nil
	}
	return fmt.Errorf("unknown User field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *UserMutation) AddedFields() []string {
	return nil
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *UserMutation) AddedField(name string) (ent.Value, bool) {
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *UserMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown User numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *UserMutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(user.FieldPassword) {
		fields = append(fields, user.FieldPassword)
	}
	if m.FieldCleared(user.FieldMetadata) {
		fields = append(fields, user.FieldMetadata)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *UserMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *UserMutation) ClearField(name string) error {
	switch name {
	case user.FieldPassword:
		m.ClearPassword()
		return nil
	case user.FieldMetadata:
		m.ClearMetadata()
		return nil
	}
	return fmt.Errorf("unknown User nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *UserMutation) ResetField(name string) error {
	switch name {
	case user.FieldName:
		m.ResetName()
		return nil
	case user.FieldUsername:
		m.ResetUsername()
		return nil
	case user.FieldPassword:
		m.ResetPassword()
		return nil
	case user.FieldMetadata:
		m.ResetMetadata()
		return nil
	}
	return fmt.Errorf("unknown User field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *UserMutation) AddedEdges() []string {
	edges := make([]string, 0, 3)
	if m.groups != nil {
		edges = append(edges, user.EdgeGroups)
	}
	if m.friends != nil {
		edges = append(edges, user.EdgeFriends)
	}
	if m.friendships != nil {
		edges = append(edges, user.EdgeFriendships)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *UserMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case user.EdgeGroups:
		ids := make([]ent.Value, 0, len(m.groups))
		for id := range m.groups {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriends:
		ids := make([]ent.Value, 0, len(m.friends))
		for id := range m.friends {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriendships:
		ids := make([]ent.Value, 0, len(m.friendships))
		for id := range m.friendships {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *UserMutation) RemovedEdges() []string {
	edges := make([]string, 0, 3)
	if m.removedgroups != nil {
		edges = append(edges, user.EdgeGroups)
	}
	if m.removedfriends != nil {
		edges = append(edges, user.EdgeFriends)
	}
	if m.removedfriendships != nil {
		edges = append(edges, user.EdgeFriendships)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *UserMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case user.EdgeGroups:
		ids := make([]ent.Value, 0, len(m.removedgroups))
		for id := range m.removedgroups {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriends:
		ids := make([]ent.Value, 0, len(m.removedfriends))
		for id := range m.removedfriends {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriendships:
		ids := make([]ent.Value, 0, len(m.removedfriendships))
		for id := range m.removedfriendships {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *UserMutation) ClearedEdges() []string {
	edges := make([]string, 0, 3)
	if m.clearedgroups {
		edges = append(edges, user.EdgeGroups)
	}
	if m.clearedfriends {
		edges = append(edges, user.EdgeFriends)
	}
	if m.clearedfriendships {
		edges = append(edges, user.EdgeFriendships)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *UserMutation) EdgeCleared(name string) bool {
	switch name {
	case user.EdgeGroups:
		return m.clearedgroups
	case user.EdgeFriends:
		return m.clearedfriends
	case user.EdgeFriendships:
		return m.clearedfriendships
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *UserMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown User unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *UserMutation) ResetEdge(name string) error {
	switch name {
	case user.EdgeGroups:
		m.ResetGroups()
		return nil
	case user.EdgeFriends:
		m.ResetFriends()
		return nil
	case user.EdgeFriendships:
		m.ResetFriendships()
		return nil
	}
	return fmt.Errorf("unknown User edge %s", name)
}

// VerySecretMutation represents an operation that mutates the VerySecret nodes in the graph.
type VerySecretMutation struct {
	config
	op            Op
	typ           string
	id            *int
	password      *string
	clearedFields map[string]struct{}
	done          bool
	oldValue      func(context.Context) (*VerySecret, error)
	predicates    []predicate.VerySecret
}

var _ ent.Mutation = (*VerySecretMutation)(nil)

// verysecretOption allows management of the mutation configuration using functional options.
type verysecretOption func(*VerySecretMutation)

// newVerySecretMutation creates new mutation for the VerySecret entity.
func newVerySecretMutation(c config, op Op, opts ...verysecretOption) *VerySecretMutation {
	m := &VerySecretMutation{
		config:        c,
		op:            op,
		typ:           TypeVerySecret,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withVerySecretID sets the ID field of the mutation.
func withVerySecretID(id int) verysecretOption {
	return func(m *VerySecretMutation) {
		var (
			err   error
			once  sync.Once
			value *VerySecret
		)
		m.oldValue = func(ctx context.Context) (*VerySecret, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().VerySecret.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withVerySecret sets the old VerySecret of the mutation.
func withVerySecret(node *VerySecret) verysecretOption {
	return func(m *VerySecretMutation) {
		m.oldValue = func(context.Context) (*VerySecret, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m VerySecretMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m VerySecretMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *VerySecretMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *VerySecretMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().VerySecret.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetPassword sets the "password" field.
func (m *VerySecretMutation) SetPassword(s string) {
	m.password = &s
}

// Password returns the value of the "password" field in the mutation.
func (m *VerySecretMutation) Password() (r string, exists bool) {
	v := m.password
	if v == nil {
		return
	}
	return *v, true
}

// OldPassword returns the old "password" field's value of the VerySecret entity.
// If the VerySecret object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *VerySecretMutation) OldPassword(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldPassword is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldPassword requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldPassword: %w", err)
	}
	return oldValue.Password, nil
}

// ResetPassword resets all changes to the "password" field.
func (m *VerySecretMutation) ResetPassword() {
	m.password = nil
}

// Where appends a list predicates to the VerySecretMutation builder.
func (m *VerySecretMutation) Where(ps ...predicate.VerySecret) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the VerySecretMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *VerySecretMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.VerySecret, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *VerySecretMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *VerySecretMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (VerySecret).
func (m *VerySecretMutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *VerySecretMutation) Fields() []string {
	fields := make([]string, 0, 1)
	if m.password != nil {
		fields = append(fields, verysecret.FieldPassword)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *VerySecretMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case verysecret.FieldPassword:
		return m.Password()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *VerySecretMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case verysecret.FieldPassword:
		return m.OldPassword(ctx)
	}
	return nil, fmt.Errorf("unknown VerySecret field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *VerySecretMutation) SetField(name string, value ent.Value) error {
	switch name {
	case verysecret.FieldPassword:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetPassword(v)
		return nil
	}
	return fmt.Errorf("unknown VerySecret field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *VerySecretMutation) AddedFields() []string {
	return nil
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *VerySecretMutation) AddedField(name string) (ent.Value, bool) {
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *VerySecretMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown VerySecret numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *VerySecretMutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *VerySecretMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *VerySecretMutation) ClearField(name string) error {
	return fmt.Errorf("unknown VerySecret nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *VerySecretMutation) ResetField(name string) error {
	switch name {
	case verysecret.FieldPassword:
		m.ResetPassword()
		return nil
	}
	return fmt.Errorf("unknown VerySecret field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *VerySecretMutation) AddedEdges() []string {
	edges := make([]string, 0, 0)
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *VerySecretMutation) AddedIDs(name string) []ent.Value {
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *VerySecretMutation) RemovedEdges() []string {
	edges := make([]string, 0, 0)
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *VerySecretMutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *VerySecretMutation) ClearedEdges() []string {
	edges := make([]string, 0, 0)
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *VerySecretMutation) EdgeCleared(name string) bool {
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *VerySecretMutation) ClearEdge(name string) error {
	return fmt.Errorf("unknown VerySecret unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *VerySecretMutation) ResetEdge(name string) error {
	return fmt.Errorf("unknown VerySecret edge %s", name)
}