github.com/ngocphuongnb/tetua@v0.0.7-alpha/packages/entrepository/ent/comment_update.go

// Code generated by entc, DO NOT EDIT.

package ent

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

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
	"github.com/ngocphuongnb/tetua/packages/entrepository/ent/comment"
	"github.com/ngocphuongnb/tetua/packages/entrepository/ent/post"
	"github.com/ngocphuongnb/tetua/packages/entrepository/ent/predicate"
	"github.com/ngocphuongnb/tetua/packages/entrepository/ent/user"
)

// CommentUpdate is the builder for updating Comment entities.
type CommentUpdate struct {
	config
	hooks    []Hook
	mutation *CommentMutation
}

// Where appends a list predicates to the CommentUpdate builder.
func (cu *CommentUpdate) Where(ps ...predicate.Comment) *CommentUpdate {
	cu.mutation.Where(ps...)
	return cu
}

// SetUpdatedAt sets the "updated_at" field.
func (cu *CommentUpdate) SetUpdatedAt(t time.Time) *CommentUpdate {
	cu.mutation.SetUpdatedAt(t)
	return cu
}

// SetDeletedAt sets the "deleted_at" field.
func (cu *CommentUpdate) SetDeletedAt(t time.Time) *CommentUpdate {
	cu.mutation.SetDeletedAt(t)
	return cu
}

// SetNillableDeletedAt sets the "deleted_at" field if the given value is not nil.
func (cu *CommentUpdate) SetNillableDeletedAt(t *time.Time) *CommentUpdate {
	if t != nil {
		cu.SetDeletedAt(*t)
	}
	return cu
}

// ClearDeletedAt clears the value of the "deleted_at" field.
func (cu *CommentUpdate) ClearDeletedAt() *CommentUpdate {
	cu.mutation.ClearDeletedAt()
	return cu
}

// SetContent sets the "content" field.
func (cu *CommentUpdate) SetContent(s string) *CommentUpdate {
	cu.mutation.SetContent(s)
	return cu
}

// SetContentHTML sets the "content_html" field.
func (cu *CommentUpdate) SetContentHTML(s string) *CommentUpdate {
	cu.mutation.SetContentHTML(s)
	return cu
}

// SetVotes sets the "votes" field.
func (cu *CommentUpdate) SetVotes(i int64) *CommentUpdate {
	cu.mutation.ResetVotes()
	cu.mutation.SetVotes(i)
	return cu
}

// SetNillableVotes sets the "votes" field if the given value is not nil.
func (cu *CommentUpdate) SetNillableVotes(i *int64) *CommentUpdate {
	if i != nil {
		cu.SetVotes(*i)
	}
	return cu
}

// AddVotes adds i to the "votes" field.
func (cu *CommentUpdate) AddVotes(i int64) *CommentUpdate {
	cu.mutation.AddVotes(i)
	return cu
}

// SetPostID sets the "post_id" field.
func (cu *CommentUpdate) SetPostID(i int) *CommentUpdate {
	cu.mutation.SetPostID(i)
	return cu
}

// SetNillablePostID sets the "post_id" field if the given value is not nil.
func (cu *CommentUpdate) SetNillablePostID(i *int) *CommentUpdate {
	if i != nil {
		cu.SetPostID(*i)
	}
	return cu
}

// ClearPostID clears the value of the "post_id" field.
func (cu *CommentUpdate) ClearPostID() *CommentUpdate {
	cu.mutation.ClearPostID()
	return cu
}

// SetUserID sets the "user_id" field.
func (cu *CommentUpdate) SetUserID(i int) *CommentUpdate {
	cu.mutation.SetUserID(i)
	return cu
}

// SetNillableUserID sets the "user_id" field if the given value is not nil.
func (cu *CommentUpdate) SetNillableUserID(i *int) *CommentUpdate {
	if i != nil {
		cu.SetUserID(*i)
	}
	return cu
}

// ClearUserID clears the value of the "user_id" field.
func (cu *CommentUpdate) ClearUserID() *CommentUpdate {
	cu.mutation.ClearUserID()
	return cu
}

// SetParentID sets the "parent_id" field.
func (cu *CommentUpdate) SetParentID(i int) *CommentUpdate {
	cu.mutation.SetParentID(i)
	return cu
}

// SetNillableParentID sets the "parent_id" field if the given value is not nil.
func (cu *CommentUpdate) SetNillableParentID(i *int) *CommentUpdate {
	if i != nil {
		cu.SetParentID(*i)
	}
	return cu
}

// ClearParentID clears the value of the "parent_id" field.
func (cu *CommentUpdate) ClearParentID() *CommentUpdate {
	cu.mutation.ClearParentID()
	return cu
}

// SetPost sets the "post" edge to the Post entity.
func (cu *CommentUpdate) SetPost(p *Post) *CommentUpdate {
	return cu.SetPostID(p.ID)
}

// SetUser sets the "user" edge to the User entity.
func (cu *CommentUpdate) SetUser(u *User) *CommentUpdate {
	return cu.SetUserID(u.ID)
}

// AddChildIDs adds the "children" edge to the Comment entity by IDs.
func (cu *CommentUpdate) AddChildIDs(ids ...int) *CommentUpdate {
	cu.mutation.AddChildIDs(ids...)
	return cu
}

// AddChildren adds the "children" edges to the Comment entity.
func (cu *CommentUpdate) AddChildren(c ...*Comment) *CommentUpdate {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return cu.AddChildIDs(ids...)
}

// SetParent sets the "parent" edge to the Comment entity.
func (cu *CommentUpdate) SetParent(c *Comment) *CommentUpdate {
	return cu.SetParentID(c.ID)
}

// Mutation returns the CommentMutation object of the builder.
func (cu *CommentUpdate) Mutation() *CommentMutation {
	return cu.mutation
}

// ClearPost clears the "post" edge to the Post entity.
func (cu *CommentUpdate) ClearPost() *CommentUpdate {
	cu.mutation.ClearPost()
	return cu
}

// ClearUser clears the "user" edge to the User entity.
func (cu *CommentUpdate) ClearUser() *CommentUpdate {
	cu.mutation.ClearUser()
	return cu
}

// ClearChildren clears all "children" edges to the Comment entity.
func (cu *CommentUpdate) ClearChildren() *CommentUpdate {
	cu.mutation.ClearChildren()
	return cu
}

// RemoveChildIDs removes the "children" edge to Comment entities by IDs.
func (cu *CommentUpdate) RemoveChildIDs(ids ...int) *CommentUpdate {
	cu.mutation.RemoveChildIDs(ids...)
	return cu
}

// RemoveChildren removes "children" edges to Comment entities.
func (cu *CommentUpdate) RemoveChildren(c ...*Comment) *CommentUpdate {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return cu.RemoveChildIDs(ids...)
}

// ClearParent clears the "parent" edge to the Comment entity.
func (cu *CommentUpdate) ClearParent() *CommentUpdate {
	cu.mutation.ClearParent()
	return cu
}

// Save executes the query and returns the number of nodes affected by the update operation.
func (cu *CommentUpdate) Save(ctx context.Context) (int, error) {
	var (
		err      error
		affected int
	)
	cu.defaults()
	if len(cu.hooks) == 0 {
		affected, err = cu.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*CommentMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			cu.mutation = mutation
			affected, err = cu.sqlSave(ctx)
			mutation.done = true
			return affected, err
		})
		for i := len(cu.hooks) - 1; i >= 0; i-- {
			if cu.hooks[i] == nil {
				return 0, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
			}
			mut = cu.hooks[i](mut)
		}
		if _, err := mut.Mutate(ctx, cu.mutation); err != nil {
			return 0, err
		}
	}
	return affected, err
}

// SaveX is like Save, but panics if an error occurs.
func (cu *CommentUpdate) SaveX(ctx context.Context) int {
	affected, err := cu.Save(ctx)
	if err != nil {
		panic(err)
	}
	return affected
}

// Exec executes the query.
func (cu *CommentUpdate) Exec(ctx context.Context) error {
	_, err := cu.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (cu *CommentUpdate) ExecX(ctx context.Context) {
	if err := cu.Exec(ctx); err != nil {
		panic(err)
	}
}

// defaults sets the default values of the builder before save.
func (cu *CommentUpdate) defaults() {
	if _, ok := cu.mutation.UpdatedAt(); !ok {
		v := comment.UpdateDefaultUpdatedAt()
		cu.mutation.SetUpdatedAt(v)
	}
}

func (cu *CommentUpdate) sqlSave(ctx context.Context) (n int, err error) {
	_spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   comment.Table,
			Columns: comment.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: comment.FieldID,
			},
		},
	}
	if ps := cu.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := cu.mutation.UpdatedAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: comment.FieldUpdatedAt,
		})
	}
	if value, ok := cu.mutation.DeletedAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: comment.FieldDeletedAt,
		})
	}
	if cu.mutation.DeletedAtCleared() {
		_spec.Fields.Clear = append(_spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Column: comment.FieldDeletedAt,
		})
	}
	if value, ok := cu.mutation.Content(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: comment.FieldContent,
		})
	}
	if value, ok := cu.mutation.ContentHTML(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: comment.FieldContentHTML,
		})
	}
	if value, ok := cu.mutation.Votes(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeInt64,
			Value:  value,
			Column: comment.FieldVotes,
		})
	}
	if value, ok := cu.mutation.AddedVotes(); ok {
		_spec.Fields.Add = append(_spec.Fields.Add, &sqlgraph.FieldSpec{
			Type:   field.TypeInt64,
			Value:  value,
			Column: comment.FieldVotes,
		})
	}
	if cu.mutation.PostCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.PostTable,
			Columns: []string{comment.PostColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: post.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cu.mutation.PostIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.PostTable,
			Columns: []string{comment.PostColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: post.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if cu.mutation.UserCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.UserTable,
			Columns: []string{comment.UserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cu.mutation.UserIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.UserTable,
			Columns: []string{comment.UserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if cu.mutation.ChildrenCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   comment.ChildrenTable,
			Columns: []string{comment.ChildrenColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cu.mutation.RemovedChildrenIDs(); len(nodes) > 0 && !cu.mutation.ChildrenCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   comment.ChildrenTable,
			Columns: []string{comment.ChildrenColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cu.mutation.ChildrenIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   comment.ChildrenTable,
			Columns: []string{comment.ChildrenColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if cu.mutation.ParentCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.ParentTable,
			Columns: []string{comment.ParentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cu.mutation.ParentIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.ParentTable,
			Columns: []string{comment.ParentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if n, err = sqlgraph.UpdateNodes(ctx, cu.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{comment.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{err.Error(), err}
		}
		return 0, err
	}
	return n, nil
}

// CommentUpdateOne is the builder for updating a single Comment entity.
type CommentUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *CommentMutation
}

// SetUpdatedAt sets the "updated_at" field.
func (cuo *CommentUpdateOne) SetUpdatedAt(t time.Time) *CommentUpdateOne {
	cuo.mutation.SetUpdatedAt(t)
	return cuo
}

// SetDeletedAt sets the "deleted_at" field.
func (cuo *CommentUpdateOne) SetDeletedAt(t time.Time) *CommentUpdateOne {
	cuo.mutation.SetDeletedAt(t)
	return cuo
}

// SetNillableDeletedAt sets the "deleted_at" field if the given value is not nil.
func (cuo *CommentUpdateOne) SetNillableDeletedAt(t *time.Time) *CommentUpdateOne {
	if t != nil {
		cuo.SetDeletedAt(*t)
	}
	return cuo
}

// ClearDeletedAt clears the value of the "deleted_at" field.
func (cuo *CommentUpdateOne) ClearDeletedAt() *CommentUpdateOne {
	cuo.mutation.ClearDeletedAt()
	return cuo
}

// SetContent sets the "content" field.
func (cuo *CommentUpdateOne) SetContent(s string) *CommentUpdateOne {
	cuo.mutation.SetContent(s)
	return cuo
}

// SetContentHTML sets the "content_html" field.
func (cuo *CommentUpdateOne) SetContentHTML(s string) *CommentUpdateOne {
	cuo.mutation.SetContentHTML(s)
	return cuo
}

// SetVotes sets the "votes" field.
func (cuo *CommentUpdateOne) SetVotes(i int64) *CommentUpdateOne {
	cuo.mutation.ResetVotes()
	cuo.mutation.SetVotes(i)
	return cuo
}

// SetNillableVotes sets the "votes" field if the given value is not nil.
func (cuo *CommentUpdateOne) SetNillableVotes(i *int64) *CommentUpdateOne {
	if i != nil {
		cuo.SetVotes(*i)
	}
	return cuo
}

// AddVotes adds i to the "votes" field.
func (cuo *CommentUpdateOne) AddVotes(i int64) *CommentUpdateOne {
	cuo.mutation.AddVotes(i)
	return cuo
}

// SetPostID sets the "post_id" field.
func (cuo *CommentUpdateOne) SetPostID(i int) *CommentUpdateOne {
	cuo.mutation.SetPostID(i)
	return cuo
}

// SetNillablePostID sets the "post_id" field if the given value is not nil.
func (cuo *CommentUpdateOne) SetNillablePostID(i *int) *CommentUpdateOne {
	if i != nil {
		cuo.SetPostID(*i)
	}
	return cuo
}

// ClearPostID clears the value of the "post_id" field.
func (cuo *CommentUpdateOne) ClearPostID() *CommentUpdateOne {
	cuo.mutation.ClearPostID()
	return cuo
}

// SetUserID sets the "user_id" field.
func (cuo *CommentUpdateOne) SetUserID(i int) *CommentUpdateOne {
	cuo.mutation.SetUserID(i)
	return cuo
}

// SetNillableUserID sets the "user_id" field if the given value is not nil.
func (cuo *CommentUpdateOne) SetNillableUserID(i *int) *CommentUpdateOne {
	if i != nil {
		cuo.SetUserID(*i)
	}
	return cuo
}

// ClearUserID clears the value of the "user_id" field.
func (cuo *CommentUpdateOne) ClearUserID() *CommentUpdateOne {
	cuo.mutation.ClearUserID()
	return cuo
}

// SetParentID sets the "parent_id" field.
func (cuo *CommentUpdateOne) SetParentID(i int) *CommentUpdateOne {
	cuo.mutation.SetParentID(i)
	return cuo
}

// SetNillableParentID sets the "parent_id" field if the given value is not nil.
func (cuo *CommentUpdateOne) SetNillableParentID(i *int) *CommentUpdateOne {
	if i != nil {
		cuo.SetParentID(*i)
	}
	return cuo
}

// ClearParentID clears the value of the "parent_id" field.
func (cuo *CommentUpdateOne) ClearParentID() *CommentUpdateOne {
	cuo.mutation.ClearParentID()
	return cuo
}

// SetPost sets the "post" edge to the Post entity.
func (cuo *CommentUpdateOne) SetPost(p *Post) *CommentUpdateOne {
	return cuo.SetPostID(p.ID)
}

// SetUser sets the "user" edge to the User entity.
func (cuo *CommentUpdateOne) SetUser(u *User) *CommentUpdateOne {
	return cuo.SetUserID(u.ID)
}

// AddChildIDs adds the "children" edge to the Comment entity by IDs.
func (cuo *CommentUpdateOne) AddChildIDs(ids ...int) *CommentUpdateOne {
	cuo.mutation.AddChildIDs(ids...)
	return cuo
}

// AddChildren adds the "children" edges to the Comment entity.
func (cuo *CommentUpdateOne) AddChildren(c ...*Comment) *CommentUpdateOne {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return cuo.AddChildIDs(ids...)
}

// SetParent sets the "parent" edge to the Comment entity.
func (cuo *CommentUpdateOne) SetParent(c *Comment) *CommentUpdateOne {
	return cuo.SetParentID(c.ID)
}

// Mutation returns the CommentMutation object of the builder.
func (cuo *CommentUpdateOne) Mutation() *CommentMutation {
	return cuo.mutation
}

// ClearPost clears the "post" edge to the Post entity.
func (cuo *CommentUpdateOne) ClearPost() *CommentUpdateOne {
	cuo.mutation.ClearPost()
	return cuo
}

// ClearUser clears the "user" edge to the User entity.
func (cuo *CommentUpdateOne) ClearUser() *CommentUpdateOne {
	cuo.mutation.ClearUser()
	return cuo
}

// ClearChildren clears all "children" edges to the Comment entity.
func (cuo *CommentUpdateOne) ClearChildren() *CommentUpdateOne {
	cuo.mutation.ClearChildren()
	return cuo
}

// RemoveChildIDs removes the "children" edge to Comment entities by IDs.
func (cuo *CommentUpdateOne) RemoveChildIDs(ids ...int) *CommentUpdateOne {
	cuo.mutation.RemoveChildIDs(ids...)
	return cuo
}

// RemoveChildren removes "children" edges to Comment entities.
func (cuo *CommentUpdateOne) RemoveChildren(c ...*Comment) *CommentUpdateOne {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return cuo.RemoveChildIDs(ids...)
}

// ClearParent clears the "parent" edge to the Comment entity.
func (cuo *CommentUpdateOne) ClearParent() *CommentUpdateOne {
	cuo.mutation.ClearParent()
	return cuo
}

// Select allows selecting one or more fields (columns) of the returned entity.
// The default is selecting all fields defined in the entity schema.
func (cuo *CommentUpdateOne) Select(field string, fields ...string) *CommentUpdateOne {
	cuo.fields = append([]string{field}, fields...)
	return cuo
}

// Save executes the query and returns the updated Comment entity.
func (cuo *CommentUpdateOne) Save(ctx context.Context) (*Comment, error) {
	var (
		err  error
		node *Comment
	)
	cuo.defaults()
	if len(cuo.hooks) == 0 {
		node, err = cuo.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*CommentMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			cuo.mutation = mutation
			node, err = cuo.sqlSave(ctx)
			mutation.done = true
			return node, err
		})
		for i := len(cuo.hooks) - 1; i >= 0; i-- {
			if cuo.hooks[i] == nil {
				return nil, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
			}
			mut = cuo.hooks[i](mut)
		}
		if _, err := mut.Mutate(ctx, cuo.mutation); err != nil {
			return nil, err
		}
	}
	return node, err
}

// SaveX is like Save, but panics if an error occurs.
func (cuo *CommentUpdateOne) SaveX(ctx context.Context) *Comment {
	node, err := cuo.Save(ctx)
	if err != nil {
		panic(err)
	}
	return node
}

// Exec executes the query on the entity.
func (cuo *CommentUpdateOne) Exec(ctx context.Context) error {
	_, err := cuo.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (cuo *CommentUpdateOne) ExecX(ctx context.Context) {
	if err := cuo.Exec(ctx); err != nil {
		panic(err)
	}
}

// defaults sets the default values of the builder before save.
func (cuo *CommentUpdateOne) defaults() {
	if _, ok := cuo.mutation.UpdatedAt(); !ok {
		v := comment.UpdateDefaultUpdatedAt()
		cuo.mutation.SetUpdatedAt(v)
	}
}

func (cuo *CommentUpdateOne) sqlSave(ctx context.Context) (_node *Comment, err error) {
	_spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   comment.Table,
			Columns: comment.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: comment.FieldID,
			},
		},
	}
	id, ok := cuo.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Comment.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := cuo.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, comment.FieldID)
		for _, f := range fields {
			if !comment.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != comment.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := cuo.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := cuo.mutation.UpdatedAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: comment.FieldUpdatedAt,
		})
	}
	if value, ok := cuo.mutation.DeletedAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: comment.FieldDeletedAt,
		})
	}
	if cuo.mutation.DeletedAtCleared() {
		_spec.Fields.Clear = append(_spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Column: comment.FieldDeletedAt,
		})
	}
	if value, ok := cuo.mutation.Content(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: comment.FieldContent,
		})
	}
	if value, ok := cuo.mutation.ContentHTML(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: comment.FieldContentHTML,
		})
	}
	if value, ok := cuo.mutation.Votes(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeInt64,
			Value:  value,
			Column: comment.FieldVotes,
		})
	}
	if value, ok := cuo.mutation.AddedVotes(); ok {
		_spec.Fields.Add = append(_spec.Fields.Add, &sqlgraph.FieldSpec{
			Type:   field.TypeInt64,
			Value:  value,
			Column: comment.FieldVotes,
		})
	}
	if cuo.mutation.PostCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.PostTable,
			Columns: []string{comment.PostColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: post.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cuo.mutation.PostIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.PostTable,
			Columns: []string{comment.PostColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: post.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if cuo.mutation.UserCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.UserTable,
			Columns: []string{comment.UserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cuo.mutation.UserIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.UserTable,
			Columns: []string{comment.UserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if cuo.mutation.ChildrenCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   comment.ChildrenTable,
			Columns: []string{comment.ChildrenColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cuo.mutation.RemovedChildrenIDs(); len(nodes) > 0 && !cuo.mutation.ChildrenCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   comment.ChildrenTable,
			Columns: []string{comment.ChildrenColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cuo.mutation.ChildrenIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   comment.ChildrenTable,
			Columns: []string{comment.ChildrenColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if cuo.mutation.ParentCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.ParentTable,
			Columns: []string{comment.ParentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := cuo.mutation.ParentIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   comment.ParentTable,
			Columns: []string{comment.ParentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: comment.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	_node = &Comment{config: cuo.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, cuo.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{comment.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{err.Error(), err}
		}
		return nil, err
	}
	return _node, nil
}