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/lrstanley/ent-bug-edge-schema/internal/database/ent/like"
	"github.com/lrstanley/ent-bug-edge-schema/internal/database/ent/predicate"
	"github.com/lrstanley/ent-bug-edge-schema/internal/database/ent/tweet"
	"github.com/lrstanley/ent-bug-edge-schema/internal/database/ent/user"
)

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

	// Node types.
	TypeLike  = "Like"
	TypeTweet = "Tweet"
	TypeUser  = "User"
)

// LikeMutation represents an operation that mutates the Like nodes in the graph.
type LikeMutation struct {
	config
	op            Op
	typ           string
	create_time   *time.Time
	update_time   *time.Time
	liked_at      *time.Time
	clearedFields map[string]struct{}
	user          *int
	cleareduser   bool
	tweet         *int
	clearedtweet  bool
	done          bool
	oldValue      func(context.Context) (*Like, error)
	predicates    []predicate.Like
}

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

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

// newLikeMutation creates new mutation for the Like entity.
func newLikeMutation(c config, op Op, opts ...likeOption) *LikeMutation {
	m := &LikeMutation{
		config:        c,
		op:            op,
		typ:           TypeLike,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// 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 LikeMutation) 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 LikeMutation) 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
}

// SetCreateTime sets the "create_time" field.
func (m *LikeMutation) SetCreateTime(t time.Time) {
	m.create_time = &t
}

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

// ResetCreateTime resets all changes to the "create_time" field.
func (m *LikeMutation) ResetCreateTime() {
	m.create_time = nil
}

// SetUpdateTime sets the "update_time" field.
func (m *LikeMutation) SetUpdateTime(t time.Time) {
	m.update_time = &t
}

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

// ResetUpdateTime resets all changes to the "update_time" field.
func (m *LikeMutation) ResetUpdateTime() {
	m.update_time = nil
}

// SetLikedAt sets the "liked_at" field.
func (m *LikeMutation) SetLikedAt(t time.Time) {
	m.liked_at = &t
}

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

// ResetLikedAt resets all changes to the "liked_at" field.
func (m *LikeMutation) ResetLikedAt() {
	m.liked_at = nil
}

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

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

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

// SetTweetID sets the "tweet_id" field.
func (m *LikeMutation) SetTweetID(i int) {
	m.tweet = &i
}

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

// ResetTweetID resets all changes to the "tweet_id" field.
func (m *LikeMutation) ResetTweetID() {
	m.tweet = nil
}

// ClearUser clears the "user" edge to the User entity.
func (m *LikeMutation) ClearUser() {
	m.cleareduser = true
	m.clearedFields[like.FieldUserID] = struct{}{}
}

// UserCleared reports if the "user" edge to the User entity was cleared.
func (m *LikeMutation) 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 *LikeMutation) UserIDs() (ids []int) {
	if id := m.user; id != nil {
		ids = append(ids, *id)
	}
	return
}

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

// ClearTweet clears the "tweet" edge to the Tweet entity.
func (m *LikeMutation) ClearTweet() {
	m.clearedtweet = true
	m.clearedFields[like.FieldTweetID] = struct{}{}
}

// TweetCleared reports if the "tweet" edge to the Tweet entity was cleared.
func (m *LikeMutation) TweetCleared() bool {
	return m.clearedtweet
}

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

// ResetTweet resets all changes to the "tweet" edge.
func (m *LikeMutation) ResetTweet() {
	m.tweet = nil
	m.clearedtweet = false
}

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

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

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

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

// Type returns the node type of this mutation (Like).
func (m *LikeMutation) 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 *LikeMutation) Fields() []string {
	fields := make([]string, 0, 5)
	if m.create_time != nil {
		fields = append(fields, like.FieldCreateTime)
	}
	if m.update_time != nil {
		fields = append(fields, like.FieldUpdateTime)
	}
	if m.liked_at != nil {
		fields = append(fields, like.FieldLikedAt)
	}
	if m.user != nil {
		fields = append(fields, like.FieldUserID)
	}
	if m.tweet != nil {
		fields = append(fields, like.FieldTweetID)
	}
	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 *LikeMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case like.FieldCreateTime:
		return m.CreateTime()
	case like.FieldUpdateTime:
		return m.UpdateTime()
	case like.FieldLikedAt:
		return m.LikedAt()
	case like.FieldUserID:
		return m.UserID()
	case like.FieldTweetID:
		return m.TweetID()
	}
	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 *LikeMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	return nil, errors.New("edge schema Like does not support getting old values")
}

// 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 *LikeMutation) SetField(name string, value ent.Value) error {
	switch name {
	case like.FieldCreateTime:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreateTime(v)
		return nil
	case like.FieldUpdateTime:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUpdateTime(v)
		return nil
	case like.FieldLikedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetLikedAt(v)
		return nil
	case like.FieldUserID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUserID(v)
		return nil
	case like.FieldTweetID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetTweetID(v)
		return nil
	}
	return fmt.Errorf("unknown Like field %s", name)
}

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

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *LikeMutation) 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 *LikeMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Like 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 *LikeMutation) ResetField(name string) error {
	switch name {
	case like.FieldCreateTime:
		m.ResetCreateTime()
		return nil
	case like.FieldUpdateTime:
		m.ResetUpdateTime()
		return nil
	case like.FieldLikedAt:
		m.ResetLikedAt()
		return nil
	case like.FieldUserID:
		m.ResetUserID()
		return nil
	case like.FieldTweetID:
		m.ResetTweetID()
		return nil
	}
	return fmt.Errorf("unknown Like field %s", name)
}

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

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

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

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

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *LikeMutation) EdgeCleared(name string) bool {
	switch name {
	case like.EdgeUser:
		return m.cleareduser
	case like.EdgeTweet:
		return m.clearedtweet
	}
	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 *LikeMutation) ClearEdge(name string) error {
	switch name {
	case like.EdgeUser:
		m.ClearUser()
		return nil
	case like.EdgeTweet:
		m.ClearTweet()
		return nil
	}
	return fmt.Errorf("unknown Like 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 *LikeMutation) ResetEdge(name string) error {
	switch name {
	case like.EdgeUser:
		m.ResetUser()
		return nil
	case like.EdgeTweet:
		m.ResetTweet()
		return nil
	}
	return fmt.Errorf("unknown Like edge %s", name)
}

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

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

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

// newTweetMutation creates new mutation for the Tweet entity.
func newTweetMutation(c config, op Op, opts ...tweetOption) *TweetMutation {
	m := &TweetMutation{
		config:        c,
		op:            op,
		typ:           TypeTweet,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

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

// withTweet sets the old Tweet of the mutation.
func withTweet(node *Tweet) tweetOption {
	return func(m *TweetMutation) {
		m.oldValue = func(context.Context) (*Tweet, 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 TweetMutation) 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 TweetMutation) 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 *TweetMutation) 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 *TweetMutation) 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().Tweet.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 *TweetMutation) SetText(s string) {
	m.text = &s
}

// Text returns the value of the "text" field in the mutation.
func (m *TweetMutation) 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 Tweet entity.
// If the Tweet 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 *TweetMutation) 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 *TweetMutation) ResetText() {
	m.text = nil
}

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

// ClearLikedUsers clears the "liked_users" edge to the User entity.
func (m *TweetMutation) ClearLikedUsers() {
	m.clearedliked_users = true
}

// LikedUsersCleared reports if the "liked_users" edge to the User entity was cleared.
func (m *TweetMutation) LikedUsersCleared() bool {
	return m.clearedliked_users
}

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

// RemovedLikedUsers returns the removed IDs of the "liked_users" edge to the User entity.
func (m *TweetMutation) RemovedLikedUsersIDs() (ids []int) {
	for id := range m.removedliked_users {
		ids = append(ids, id)
	}
	return
}

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

// ResetLikedUsers resets all changes to the "liked_users" edge.
func (m *TweetMutation) ResetLikedUsers() {
	m.liked_users = nil
	m.clearedliked_users = false
	m.removedliked_users = nil
}

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

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

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

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

// Type returns the node type of this mutation (Tweet).
func (m *TweetMutation) 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 *TweetMutation) Fields() []string {
	fields := make([]string, 0, 1)
	if m.text != nil {
		fields = append(fields, tweet.FieldText)
	}
	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 *TweetMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case tweet.FieldText:
		return m.Text()
	}
	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 *TweetMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case tweet.FieldText:
		return m.OldText(ctx)
	}
	return nil, fmt.Errorf("unknown Tweet 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 *TweetMutation) SetField(name string, value ent.Value) error {
	switch name {
	case tweet.FieldText:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetText(v)
		return nil
	}
	return fmt.Errorf("unknown Tweet field %s", name)
}

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

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *TweetMutation) 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 *TweetMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Tweet 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 *TweetMutation) ResetField(name string) error {
	switch name {
	case tweet.FieldText:
		m.ResetText()
		return nil
	}
	return fmt.Errorf("unknown Tweet field %s", name)
}

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

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

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

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

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

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *TweetMutation) EdgeCleared(name string) bool {
	switch name {
	case tweet.EdgeLikedUsers:
		return m.clearedliked_users
	}
	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 *TweetMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown Tweet 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 *TweetMutation) ResetEdge(name string) error {
	switch name {
	case tweet.EdgeLikedUsers:
		m.ResetLikedUsers()
		return nil
	}
	return fmt.Errorf("unknown Tweet 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
	age                 *int
	addage              *int
	name                *string
	clearedFields       map[string]struct{}
	liked_tweets        map[int]struct{}
	removedliked_tweets map[int]struct{}
	clearedliked_tweets 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)
	}
}

// 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
}

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

// 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
}

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

// ClearLikedTweets clears the "liked_tweets" edge to the Tweet entity.
func (m *UserMutation) ClearLikedTweets() {
	m.clearedliked_tweets = true
}

// LikedTweetsCleared reports if the "liked_tweets" edge to the Tweet entity was cleared.
func (m *UserMutation) LikedTweetsCleared() bool {
	return m.clearedliked_tweets
}

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

// RemovedLikedTweets returns the removed IDs of the "liked_tweets" edge to the Tweet entity.
func (m *UserMutation) RemovedLikedTweetsIDs() (ids []int) {
	for id := range m.removedliked_tweets {
		ids = append(ids, id)
	}
	return
}

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

// ResetLikedTweets resets all changes to the "liked_tweets" edge.
func (m *UserMutation) ResetLikedTweets() {
	m.liked_tweets = nil
	m.clearedliked_tweets = false
	m.removedliked_tweets = 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, 2)
	if m.age != nil {
		fields = append(fields, user.FieldAge)
	}
	if m.name != nil {
		fields = append(fields, user.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 *UserMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case user.FieldAge:
		return m.Age()
	case user.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 *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case user.FieldAge:
		return m.OldAge(ctx)
	case user.FieldName:
		return m.OldName(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.FieldAge:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetAge(v)
		return nil
	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
	}
	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.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.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.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 {
	return nil
}

// 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 {
	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.FieldAge:
		m.ResetAge()
		return nil
	case user.FieldName:
		m.ResetName()
		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, 1)
	if m.liked_tweets != nil {
		edges = append(edges, user.EdgeLikedTweets)
	}
	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.EdgeLikedTweets:
		ids := make([]ent.Value, 0, len(m.liked_tweets))
		for id := range m.liked_tweets {
			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, 1)
	if m.removedliked_tweets != nil {
		edges = append(edges, user.EdgeLikedTweets)
	}
	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.EdgeLikedTweets:
		ids := make([]ent.Value, 0, len(m.removedliked_tweets))
		for id := range m.removedliked_tweets {
			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, 1)
	if m.clearedliked_tweets {
		edges = append(edges, user.EdgeLikedTweets)
	}
	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.EdgeLikedTweets:
		return m.clearedliked_tweets
	}
	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.EdgeLikedTweets:
		m.ResetLikedTweets()
		return nil
	}
	return fmt.Errorf("unknown User edge %s", name)
}