mutation.go

// Code generated by ent, DO NOT EDIT.

package ent

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

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"github.com/bytectl/enterd/examples/ent/car"
	"github.com/bytectl/enterd/examples/ent/pet"
	"github.com/bytectl/enterd/examples/ent/post"
	"github.com/bytectl/enterd/examples/ent/predicate"
	"github.com/bytectl/enterd/examples/ent/user"
)

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

	// Node types.
	TypeCar  = "Car"
	TypePet  = "Pet"
	TypePost = "Post"
	TypeUser = "User"
)

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

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

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

// newCarMutation creates new mutation for the Car entity.
func newCarMutation(c config, op Op, opts ...carOption) *CarMutation {
	m := &CarMutation{
		config:        c,
		op:            op,
		typ:           TypeCar,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

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

// withCar sets the old Car of the mutation.
func withCar(node *Car) carOption {
	return func(m *CarMutation) {
		m.oldValue = func(context.Context) (*Car, 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 CarMutation) 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 CarMutation) 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 *CarMutation) 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 *CarMutation) 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().Car.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetNickname sets the "nickname" field.
func (m *CarMutation) SetNickname(s string) {
	m.nickname = &s
}

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

// OldNickname returns the old "nickname" field's value of the Car entity.
// If the Car 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 *CarMutation) OldNickname(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldNickname is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldNickname requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldNickname: %w", err)
	}
	return oldValue.Nickname, nil
}

// ResetNickname resets all changes to the "nickname" field.
func (m *CarMutation) ResetNickname() {
	m.nickname = nil
}

// SetBrand sets the "brand" field.
func (m *CarMutation) SetBrand(s string) {
	m.brand = &s
}

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

// OldBrand returns the old "brand" field's value of the Car entity.
// If the Car 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 *CarMutation) OldBrand(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldBrand is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldBrand requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldBrand: %w", err)
	}
	return oldValue.Brand, nil
}

// ResetBrand resets all changes to the "brand" field.
func (m *CarMutation) ResetBrand() {
	m.brand = nil
}

// SetModelYear sets the "model_year" field.
func (m *CarMutation) SetModelYear(i int) {
	m.model_year = &i
	m.addmodel_year = nil
}

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

// OldModelYear returns the old "model_year" field's value of the Car entity.
// If the Car 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 *CarMutation) OldModelYear(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldModelYear is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldModelYear requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldModelYear: %w", err)
	}
	return oldValue.ModelYear, nil
}

// AddModelYear adds i to the "model_year" field.
func (m *CarMutation) AddModelYear(i int) {
	if m.addmodel_year != nil {
		*m.addmodel_year += i
	} else {
		m.addmodel_year = &i
	}
}

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

// ResetModelYear resets all changes to the "model_year" field.
func (m *CarMutation) ResetModelYear() {
	m.model_year = nil
	m.addmodel_year = nil
}

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

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

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

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

// Type returns the node type of this mutation (Car).
func (m *CarMutation) 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 *CarMutation) Fields() []string {
	fields := make([]string, 0, 3)
	if m.nickname != nil {
		fields = append(fields, car.FieldNickname)
	}
	if m.brand != nil {
		fields = append(fields, car.FieldBrand)
	}
	if m.model_year != nil {
		fields = append(fields, car.FieldModelYear)
	}
	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 *CarMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case car.FieldNickname:
		return m.Nickname()
	case car.FieldBrand:
		return m.Brand()
	case car.FieldModelYear:
		return m.ModelYear()
	}
	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 *CarMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case car.FieldNickname:
		return m.OldNickname(ctx)
	case car.FieldBrand:
		return m.OldBrand(ctx)
	case car.FieldModelYear:
		return m.OldModelYear(ctx)
	}
	return nil, fmt.Errorf("unknown Car 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 *CarMutation) SetField(name string, value ent.Value) error {
	switch name {
	case car.FieldNickname:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetNickname(v)
		return nil
	case car.FieldBrand:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetBrand(v)
		return nil
	case car.FieldModelYear:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetModelYear(v)
		return nil
	}
	return fmt.Errorf("unknown Car field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *CarMutation) AddedFields() []string {
	var fields []string
	if m.addmodel_year != nil {
		fields = append(fields, car.FieldModelYear)
	}
	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 *CarMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case car.FieldModelYear:
		return m.AddedModelYear()
	}
	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 *CarMutation) AddField(name string, value ent.Value) error {
	switch name {
	case car.FieldModelYear:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddModelYear(v)
		return nil
	}
	return fmt.Errorf("unknown Car numeric field %s", name)
}

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *CarMutation) 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 *CarMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Car 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 *CarMutation) ResetField(name string) error {
	switch name {
	case car.FieldNickname:
		m.ResetNickname()
		return nil
	case car.FieldBrand:
		m.ResetBrand()
		return nil
	case car.FieldModelYear:
		m.ResetModelYear()
		return nil
	}
	return fmt.Errorf("unknown Car field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *CarMutation) 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 *CarMutation) AddedIDs(name string) []ent.Value {
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *CarMutation) 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 *CarMutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *CarMutation) 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 *CarMutation) 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 *CarMutation) ClearEdge(name string) error {
	return fmt.Errorf("unknown Car 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 *CarMutation) ResetEdge(name string) error {
	return fmt.Errorf("unknown Car edge %s", name)
}

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

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

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

// newPetMutation creates new mutation for the Pet entity.
func newPetMutation(c config, op Op, opts ...petOption) *PetMutation {
	m := &PetMutation{
		config:        c,
		op:            op,
		typ:           TypePet,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

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

// withPet sets the old Pet of the mutation.
func withPet(node *Pet) petOption {
	return func(m *PetMutation) {
		m.oldValue = func(context.Context) (*Pet, 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 PetMutation) 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 PetMutation) 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 *PetMutation) 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 *PetMutation) 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().Pet.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetOwnerID sets the "owner" edge to the User entity by id.
func (m *PetMutation) SetOwnerID(id int) {
	m.owner = &id
}

// ClearOwner clears the "owner" edge to the User entity.
func (m *PetMutation) ClearOwner() {
	m.clearedowner = true
}

// OwnerCleared reports if the "owner" edge to the User entity was cleared.
func (m *PetMutation) OwnerCleared() bool {
	return m.clearedowner
}

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

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

// ResetOwner resets all changes to the "owner" edge.
func (m *PetMutation) ResetOwner() {
	m.owner = nil
	m.clearedowner = false
}

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

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

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

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

// Type returns the node type of this mutation (Pet).
func (m *PetMutation) 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 *PetMutation) 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 *PetMutation) 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 *PetMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	return nil, fmt.Errorf("unknown Pet 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 *PetMutation) SetField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Pet field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *PetMutation) 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 *PetMutation) 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 *PetMutation) AddField(name string, value ent.Value) error {
	return fmt.Errorf("unknown Pet numeric field %s", name)
}

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *PetMutation) 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 *PetMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Pet 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 *PetMutation) ResetField(name string) error {
	return fmt.Errorf("unknown Pet field %s", name)
}

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

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

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *PetMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	return edges
}

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

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

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *PetMutation) EdgeCleared(name string) bool {
	switch name {
	case pet.EdgeOwner:
		return m.clearedowner
	}
	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 *PetMutation) ClearEdge(name string) error {
	switch name {
	case pet.EdgeOwner:
		m.ClearOwner()
		return nil
	}
	return fmt.Errorf("unknown Pet 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 *PetMutation) ResetEdge(name string) error {
	switch name {
	case pet.EdgeOwner:
		m.ResetOwner()
		return nil
	}
	return fmt.Errorf("unknown Pet edge %s", name)
}

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

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

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

// newPostMutation creates new mutation for the Post entity.
func newPostMutation(c config, op Op, opts ...postOption) *PostMutation {
	m := &PostMutation{
		config:        c,
		op:            op,
		typ:           TypePost,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

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

// withPost sets the old Post of the mutation.
func withPost(node *Post) postOption {
	return func(m *PostMutation) {
		m.oldValue = func(context.Context) (*Post, 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 PostMutation) 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 PostMutation) 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 *PostMutation) 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 *PostMutation) 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().Post.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetAuthorID sets the "author" edge to the User entity by id.
func (m *PostMutation) SetAuthorID(id int) {
	m.author = &id
}

// ClearAuthor clears the "author" edge to the User entity.
func (m *PostMutation) ClearAuthor() {
	m.clearedauthor = true
}

// AuthorCleared reports if the "author" edge to the User entity was cleared.
func (m *PostMutation) AuthorCleared() bool {
	return m.clearedauthor
}

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

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

// ResetAuthor resets all changes to the "author" edge.
func (m *PostMutation) ResetAuthor() {
	m.author = nil
	m.clearedauthor = false
}

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

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

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

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

// Type returns the node type of this mutation (Post).
func (m *PostMutation) 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 *PostMutation) 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 *PostMutation) 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 *PostMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	return nil, fmt.Errorf("unknown Post 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 *PostMutation) SetField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Post field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *PostMutation) 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 *PostMutation) 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 *PostMutation) AddField(name string, value ent.Value) error {
	return fmt.Errorf("unknown Post numeric field %s", name)
}

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *PostMutation) 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 *PostMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Post 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 *PostMutation) ResetField(name string) error {
	return fmt.Errorf("unknown Post field %s", name)
}

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

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

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *PostMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	return edges
}

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

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

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *PostMutation) EdgeCleared(name string) bool {
	switch name {
	case post.EdgeAuthor:
		return m.clearedauthor
	}
	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 *PostMutation) ClearEdge(name string) error {
	switch name {
	case post.EdgeAuthor:
		m.ClearAuthor()
		return nil
	}
	return fmt.Errorf("unknown Post 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 *PostMutation) ResetEdge(name string) error {
	switch name {
	case post.EdgeAuthor:
		m.ResetAuthor()
		return nil
	}
	return fmt.Errorf("unknown Post 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
	email         *string
	role          *int8
	addrole       *int8
	created       *time.Time
	age           *int
	addage        *int
	clearedFields map[string]struct{}
	pets          map[int]struct{}
	removedpets   map[int]struct{}
	clearedpets   bool
	posts         map[int]struct{}
	removedposts  map[int]struct{}
	clearedposts  bool
	parent        *int
	clearedparent bool
	cars          map[int]struct{}
	removedcars   map[int]struct{}
	clearedcars   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
}

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

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

// OldEmail returns the old "email" 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) OldEmail(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldEmail is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldEmail requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldEmail: %w", err)
	}
	return oldValue.Email, nil
}

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

// SetRole sets the "role" field.
func (m *UserMutation) SetRole(i int8) {
	m.role = &i
	m.addrole = nil
}

// Role returns the value of the "role" field in the mutation.
func (m *UserMutation) Role() (r int8, exists bool) {
	v := m.role
	if v == nil {
		return
	}
	return *v, true
}

// OldRole returns the old "role" 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) OldRole(ctx context.Context) (v int8, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldRole is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldRole requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldRole: %w", err)
	}
	return oldValue.Role, nil
}

// AddRole adds i to the "role" field.
func (m *UserMutation) AddRole(i int8) {
	if m.addrole != nil {
		*m.addrole += i
	} else {
		m.addrole = &i
	}
}

// AddedRole returns the value that was added to the "role" field in this mutation.
func (m *UserMutation) AddedRole() (r int8, exists bool) {
	v := m.addrole
	if v == nil {
		return
	}
	return *v, true
}

// ResetRole resets all changes to the "role" field.
func (m *UserMutation) ResetRole() {
	m.role = nil
	m.addrole = nil
}

// SetCreated sets the "created" field.
func (m *UserMutation) SetCreated(t time.Time) {
	m.created = &t
}

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

// OldCreated returns the old "created" 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) OldCreated(ctx context.Context) (v time.Time, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCreated is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCreated requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCreated: %w", err)
	}
	return oldValue.Created, nil
}

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

// SetAge sets the "age" field.
func (m *UserMutation) SetAge(i int) {
	m.age = &i
	m.addage = nil
}

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

// OldAge returns the old "age" 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) OldAge(ctx context.Context) (v *int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldAge is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldAge requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldAge: %w", err)
	}
	return oldValue.Age, nil
}

// AddAge adds i to the "age" field.
func (m *UserMutation) AddAge(i int) {
	if m.addage != nil {
		*m.addage += i
	} else {
		m.addage = &i
	}
}

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

// ClearAge clears the value of the "age" field.
func (m *UserMutation) ClearAge() {
	m.age = nil
	m.addage = nil
	m.clearedFields[user.FieldAge] = struct{}{}
}

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

// ResetAge resets all changes to the "age" field.
func (m *UserMutation) ResetAge() {
	m.age = nil
	m.addage = nil
	delete(m.clearedFields, user.FieldAge)
}

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

// ClearPets clears the "pets" edge to the Pet entity.
func (m *UserMutation) ClearPets() {
	m.clearedpets = true
}

// PetsCleared reports if the "pets" edge to the Pet entity was cleared.
func (m *UserMutation) PetsCleared() bool {
	return m.clearedpets
}

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

// RemovedPets returns the removed IDs of the "pets" edge to the Pet entity.
func (m *UserMutation) RemovedPetsIDs() (ids []int) {
	for id := range m.removedpets {
		ids = append(ids, id)
	}
	return
}

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

// ResetPets resets all changes to the "pets" edge.
func (m *UserMutation) ResetPets() {
	m.pets = nil
	m.clearedpets = false
	m.removedpets = nil
}

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

// ClearPosts clears the "posts" edge to the Post entity.
func (m *UserMutation) ClearPosts() {
	m.clearedposts = true
}

// PostsCleared reports if the "posts" edge to the Post entity was cleared.
func (m *UserMutation) PostsCleared() bool {
	return m.clearedposts
}

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

// RemovedPosts returns the removed IDs of the "posts" edge to the Post entity.
func (m *UserMutation) RemovedPostsIDs() (ids []int) {
	for id := range m.removedposts {
		ids = append(ids, id)
	}
	return
}

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

// ResetPosts resets all changes to the "posts" edge.
func (m *UserMutation) ResetPosts() {
	m.posts = nil
	m.clearedposts = false
	m.removedposts = nil
}

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

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

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

// ParentID returns the "parent" edge ID in the mutation.
func (m *UserMutation) 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 *UserMutation) ParentIDs() (ids []int) {
	if id := m.parent; id != nil {
		ids = append(ids, *id)
	}
	return
}

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

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

// ClearCars clears the "cars" edge to the Car entity.
func (m *UserMutation) ClearCars() {
	m.clearedcars = true
}

// CarsCleared reports if the "cars" edge to the Car entity was cleared.
func (m *UserMutation) CarsCleared() bool {
	return m.clearedcars
}

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

// RemovedCars returns the removed IDs of the "cars" edge to the Car entity.
func (m *UserMutation) RemovedCarsIDs() (ids []int) {
	for id := range m.removedcars {
		ids = append(ids, id)
	}
	return
}

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

// ResetCars resets all changes to the "cars" edge.
func (m *UserMutation) ResetCars() {
	m.cars = nil
	m.clearedcars = false
	m.removedcars = 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, 5)
	if m.name != nil {
		fields = append(fields, user.FieldName)
	}
	if m.email != nil {
		fields = append(fields, user.FieldEmail)
	}
	if m.role != nil {
		fields = append(fields, user.FieldRole)
	}
	if m.created != nil {
		fields = append(fields, user.FieldCreated)
	}
	if m.age != nil {
		fields = append(fields, user.FieldAge)
	}
	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.FieldEmail:
		return m.Email()
	case user.FieldRole:
		return m.Role()
	case user.FieldCreated:
		return m.Created()
	case user.FieldAge:
		return m.Age()
	}
	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.FieldEmail:
		return m.OldEmail(ctx)
	case user.FieldRole:
		return m.OldRole(ctx)
	case user.FieldCreated:
		return m.OldCreated(ctx)
	case user.FieldAge:
		return m.OldAge(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.FieldEmail:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetEmail(v)
		return nil
	case user.FieldRole:
		v, ok := value.(int8)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetRole(v)
		return nil
	case user.FieldCreated:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreated(v)
		return nil
	case user.FieldAge:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetAge(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 {
	var fields []string
	if m.addrole != nil {
		fields = append(fields, user.FieldRole)
	}
	if m.addage != nil {
		fields = append(fields, user.FieldAge)
	}
	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 *UserMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case user.FieldRole:
		return m.AddedRole()
	case user.FieldAge:
		return m.AddedAge()
	}
	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 {
	case user.FieldRole:
		v, ok := value.(int8)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddRole(v)
		return nil
	case user.FieldAge:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddAge(v)
		return nil
	}
	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.FieldAge) {
		fields = append(fields, user.FieldAge)
	}
	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.FieldAge:
		m.ClearAge()
		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.FieldEmail:
		m.ResetEmail()
		return nil
	case user.FieldRole:
		m.ResetRole()
		return nil
	case user.FieldCreated:
		m.ResetCreated()
		return nil
	case user.FieldAge:
		m.ResetAge()
		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, 4)
	if m.pets != nil {
		edges = append(edges, user.EdgePets)
	}
	if m.posts != nil {
		edges = append(edges, user.EdgePosts)
	}
	if m.parent != nil {
		edges = append(edges, user.EdgeParent)
	}
	if m.cars != nil {
		edges = append(edges, user.EdgeCars)
	}
	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.EdgePets:
		ids := make([]ent.Value, 0, len(m.pets))
		for id := range m.pets {
			ids = append(ids, id)
		}
		return ids
	case user.EdgePosts:
		ids := make([]ent.Value, 0, len(m.posts))
		for id := range m.posts {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeParent:
		if id := m.parent; id != nil {
			return []ent.Value{*id}
		}
	case user.EdgeCars:
		ids := make([]ent.Value, 0, len(m.cars))
		for id := range m.cars {
			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, 4)
	if m.removedpets != nil {
		edges = append(edges, user.EdgePets)
	}
	if m.removedposts != nil {
		edges = append(edges, user.EdgePosts)
	}
	if m.removedcars != nil {
		edges = append(edges, user.EdgeCars)
	}
	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.EdgePets:
		ids := make([]ent.Value, 0, len(m.removedpets))
		for id := range m.removedpets {
			ids = append(ids, id)
		}
		return ids
	case user.EdgePosts:
		ids := make([]ent.Value, 0, len(m.removedposts))
		for id := range m.removedposts {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeCars:
		ids := make([]ent.Value, 0, len(m.removedcars))
		for id := range m.removedcars {
			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, 4)
	if m.clearedpets {
		edges = append(edges, user.EdgePets)
	}
	if m.clearedposts {
		edges = append(edges, user.EdgePosts)
	}
	if m.clearedparent {
		edges = append(edges, user.EdgeParent)
	}
	if m.clearedcars {
		edges = append(edges, user.EdgeCars)
	}
	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.EdgePets:
		return m.clearedpets
	case user.EdgePosts:
		return m.clearedposts
	case user.EdgeParent:
		return m.clearedparent
	case user.EdgeCars:
		return m.clearedcars
	}
	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 {
	case user.EdgeParent:
		m.ClearParent()
		return nil
	}
	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.EdgePets:
		m.ResetPets()
		return nil
	case user.EdgePosts:
		m.ResetPosts()
		return nil
	case user.EdgeParent:
		m.ResetParent()
		return nil
	case user.EdgeCars:
		m.ResetCars()
		return nil
	}
	return fmt.Errorf("unknown User edge %s", name)
}