// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"
	"time"
	"tss-rocks-be/ent/category"
	"tss-rocks-be/ent/post"
	"tss-rocks-be/ent/postcontent"
	"tss-rocks-be/ent/postcontributor"
	"tss-rocks-be/ent/predicate"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
)

// PostUpdate is the builder for updating Post entities.
type PostUpdate struct {
	config
	hooks    []Hook
	mutation *PostMutation
}

// Where appends a list predicates to the PostUpdate builder.
func (pu *PostUpdate) Where(ps ...predicate.Post) *PostUpdate {
	pu.mutation.Where(ps...)
	return pu
}

// SetStatus sets the "status" field.
func (pu *PostUpdate) SetStatus(po post.Status) *PostUpdate {
	pu.mutation.SetStatus(po)
	return pu
}

// SetNillableStatus sets the "status" field if the given value is not nil.
func (pu *PostUpdate) SetNillableStatus(po *post.Status) *PostUpdate {
	if po != nil {
		pu.SetStatus(*po)
	}
	return pu
}

// SetSlug sets the "slug" field.
func (pu *PostUpdate) SetSlug(s string) *PostUpdate {
	pu.mutation.SetSlug(s)
	return pu
}

// SetNillableSlug sets the "slug" field if the given value is not nil.
func (pu *PostUpdate) SetNillableSlug(s *string) *PostUpdate {
	if s != nil {
		pu.SetSlug(*s)
	}
	return pu
}

// SetCreatedAt sets the "created_at" field.
func (pu *PostUpdate) SetCreatedAt(t time.Time) *PostUpdate {
	pu.mutation.SetCreatedAt(t)
	return pu
}

// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
func (pu *PostUpdate) SetNillableCreatedAt(t *time.Time) *PostUpdate {
	if t != nil {
		pu.SetCreatedAt(*t)
	}
	return pu
}

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

// AddContentIDs adds the "contents" edge to the PostContent entity by IDs.
func (pu *PostUpdate) AddContentIDs(ids ...int) *PostUpdate {
	pu.mutation.AddContentIDs(ids...)
	return pu
}

// AddContents adds the "contents" edges to the PostContent entity.
func (pu *PostUpdate) AddContents(p ...*PostContent) *PostUpdate {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return pu.AddContentIDs(ids...)
}

// AddContributorIDs adds the "contributors" edge to the PostContributor entity by IDs.
func (pu *PostUpdate) AddContributorIDs(ids ...int) *PostUpdate {
	pu.mutation.AddContributorIDs(ids...)
	return pu
}

// AddContributors adds the "contributors" edges to the PostContributor entity.
func (pu *PostUpdate) AddContributors(p ...*PostContributor) *PostUpdate {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return pu.AddContributorIDs(ids...)
}

// AddCategoryIDs adds the "categories" edge to the Category entity by IDs.
func (pu *PostUpdate) AddCategoryIDs(ids ...int) *PostUpdate {
	pu.mutation.AddCategoryIDs(ids...)
	return pu
}

// AddCategories adds the "categories" edges to the Category entity.
func (pu *PostUpdate) AddCategories(c ...*Category) *PostUpdate {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return pu.AddCategoryIDs(ids...)
}

// Mutation returns the PostMutation object of the builder.
func (pu *PostUpdate) Mutation() *PostMutation {
	return pu.mutation
}

// ClearContents clears all "contents" edges to the PostContent entity.
func (pu *PostUpdate) ClearContents() *PostUpdate {
	pu.mutation.ClearContents()
	return pu
}

// RemoveContentIDs removes the "contents" edge to PostContent entities by IDs.
func (pu *PostUpdate) RemoveContentIDs(ids ...int) *PostUpdate {
	pu.mutation.RemoveContentIDs(ids...)
	return pu
}

// RemoveContents removes "contents" edges to PostContent entities.
func (pu *PostUpdate) RemoveContents(p ...*PostContent) *PostUpdate {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return pu.RemoveContentIDs(ids...)
}

// ClearContributors clears all "contributors" edges to the PostContributor entity.
func (pu *PostUpdate) ClearContributors() *PostUpdate {
	pu.mutation.ClearContributors()
	return pu
}

// RemoveContributorIDs removes the "contributors" edge to PostContributor entities by IDs.
func (pu *PostUpdate) RemoveContributorIDs(ids ...int) *PostUpdate {
	pu.mutation.RemoveContributorIDs(ids...)
	return pu
}

// RemoveContributors removes "contributors" edges to PostContributor entities.
func (pu *PostUpdate) RemoveContributors(p ...*PostContributor) *PostUpdate {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return pu.RemoveContributorIDs(ids...)
}

// ClearCategories clears all "categories" edges to the Category entity.
func (pu *PostUpdate) ClearCategories() *PostUpdate {
	pu.mutation.ClearCategories()
	return pu
}

// RemoveCategoryIDs removes the "categories" edge to Category entities by IDs.
func (pu *PostUpdate) RemoveCategoryIDs(ids ...int) *PostUpdate {
	pu.mutation.RemoveCategoryIDs(ids...)
	return pu
}

// RemoveCategories removes "categories" edges to Category entities.
func (pu *PostUpdate) RemoveCategories(c ...*Category) *PostUpdate {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return pu.RemoveCategoryIDs(ids...)
}

// Save executes the query and returns the number of nodes affected by the update operation.
func (pu *PostUpdate) Save(ctx context.Context) (int, error) {
	pu.defaults()
	return withHooks(ctx, pu.sqlSave, pu.mutation, pu.hooks)
}

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

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

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

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

// check runs all checks and user-defined validators on the builder.
func (pu *PostUpdate) check() error {
	if v, ok := pu.mutation.Status(); ok {
		if err := post.StatusValidator(v); err != nil {
			return &ValidationError{Name: "status", err: fmt.Errorf(`ent: validator failed for field "Post.status": %w`, err)}
		}
	}
	if v, ok := pu.mutation.Slug(); ok {
		if err := post.SlugValidator(v); err != nil {
			return &ValidationError{Name: "slug", err: fmt.Errorf(`ent: validator failed for field "Post.slug": %w`, err)}
		}
	}
	return nil
}

func (pu *PostUpdate) sqlSave(ctx context.Context) (n int, err error) {
	if err := pu.check(); err != nil {
		return n, err
	}
	_spec := sqlgraph.NewUpdateSpec(post.Table, post.Columns, sqlgraph.NewFieldSpec(post.FieldID, field.TypeInt))
	if ps := pu.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := pu.mutation.Status(); ok {
		_spec.SetField(post.FieldStatus, field.TypeEnum, value)
	}
	if value, ok := pu.mutation.Slug(); ok {
		_spec.SetField(post.FieldSlug, field.TypeString, value)
	}
	if value, ok := pu.mutation.CreatedAt(); ok {
		_spec.SetField(post.FieldCreatedAt, field.TypeTime, value)
	}
	if value, ok := pu.mutation.UpdatedAt(); ok {
		_spec.SetField(post.FieldUpdatedAt, field.TypeTime, value)
	}
	if pu.mutation.ContentsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContentsTable,
			Columns: []string{post.ContentsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontent.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := pu.mutation.RemovedContentsIDs(); len(nodes) > 0 && !pu.mutation.ContentsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContentsTable,
			Columns: []string{post.ContentsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontent.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := pu.mutation.ContentsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContentsTable,
			Columns: []string{post.ContentsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontent.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if pu.mutation.ContributorsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContributorsTable,
			Columns: []string{post.ContributorsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontributor.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := pu.mutation.RemovedContributorsIDs(); len(nodes) > 0 && !pu.mutation.ContributorsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContributorsTable,
			Columns: []string{post.ContributorsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontributor.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := pu.mutation.ContributorsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContributorsTable,
			Columns: []string{post.ContributorsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontributor.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if pu.mutation.CategoriesCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   post.CategoriesTable,
			Columns: post.CategoriesPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(category.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := pu.mutation.RemovedCategoriesIDs(); len(nodes) > 0 && !pu.mutation.CategoriesCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   post.CategoriesTable,
			Columns: post.CategoriesPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(category.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := pu.mutation.CategoriesIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   post.CategoriesTable,
			Columns: post.CategoriesPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(category.FieldID, field.TypeInt),
			},
		}
		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, pu.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{post.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	pu.mutation.done = true
	return n, nil
}

// PostUpdateOne is the builder for updating a single Post entity.
type PostUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *PostMutation
}

// SetStatus sets the "status" field.
func (puo *PostUpdateOne) SetStatus(po post.Status) *PostUpdateOne {
	puo.mutation.SetStatus(po)
	return puo
}

// SetNillableStatus sets the "status" field if the given value is not nil.
func (puo *PostUpdateOne) SetNillableStatus(po *post.Status) *PostUpdateOne {
	if po != nil {
		puo.SetStatus(*po)
	}
	return puo
}

// SetSlug sets the "slug" field.
func (puo *PostUpdateOne) SetSlug(s string) *PostUpdateOne {
	puo.mutation.SetSlug(s)
	return puo
}

// SetNillableSlug sets the "slug" field if the given value is not nil.
func (puo *PostUpdateOne) SetNillableSlug(s *string) *PostUpdateOne {
	if s != nil {
		puo.SetSlug(*s)
	}
	return puo
}

// SetCreatedAt sets the "created_at" field.
func (puo *PostUpdateOne) SetCreatedAt(t time.Time) *PostUpdateOne {
	puo.mutation.SetCreatedAt(t)
	return puo
}

// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
func (puo *PostUpdateOne) SetNillableCreatedAt(t *time.Time) *PostUpdateOne {
	if t != nil {
		puo.SetCreatedAt(*t)
	}
	return puo
}

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

// AddContentIDs adds the "contents" edge to the PostContent entity by IDs.
func (puo *PostUpdateOne) AddContentIDs(ids ...int) *PostUpdateOne {
	puo.mutation.AddContentIDs(ids...)
	return puo
}

// AddContents adds the "contents" edges to the PostContent entity.
func (puo *PostUpdateOne) AddContents(p ...*PostContent) *PostUpdateOne {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return puo.AddContentIDs(ids...)
}

// AddContributorIDs adds the "contributors" edge to the PostContributor entity by IDs.
func (puo *PostUpdateOne) AddContributorIDs(ids ...int) *PostUpdateOne {
	puo.mutation.AddContributorIDs(ids...)
	return puo
}

// AddContributors adds the "contributors" edges to the PostContributor entity.
func (puo *PostUpdateOne) AddContributors(p ...*PostContributor) *PostUpdateOne {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return puo.AddContributorIDs(ids...)
}

// AddCategoryIDs adds the "categories" edge to the Category entity by IDs.
func (puo *PostUpdateOne) AddCategoryIDs(ids ...int) *PostUpdateOne {
	puo.mutation.AddCategoryIDs(ids...)
	return puo
}

// AddCategories adds the "categories" edges to the Category entity.
func (puo *PostUpdateOne) AddCategories(c ...*Category) *PostUpdateOne {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return puo.AddCategoryIDs(ids...)
}

// Mutation returns the PostMutation object of the builder.
func (puo *PostUpdateOne) Mutation() *PostMutation {
	return puo.mutation
}

// ClearContents clears all "contents" edges to the PostContent entity.
func (puo *PostUpdateOne) ClearContents() *PostUpdateOne {
	puo.mutation.ClearContents()
	return puo
}

// RemoveContentIDs removes the "contents" edge to PostContent entities by IDs.
func (puo *PostUpdateOne) RemoveContentIDs(ids ...int) *PostUpdateOne {
	puo.mutation.RemoveContentIDs(ids...)
	return puo
}

// RemoveContents removes "contents" edges to PostContent entities.
func (puo *PostUpdateOne) RemoveContents(p ...*PostContent) *PostUpdateOne {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return puo.RemoveContentIDs(ids...)
}

// ClearContributors clears all "contributors" edges to the PostContributor entity.
func (puo *PostUpdateOne) ClearContributors() *PostUpdateOne {
	puo.mutation.ClearContributors()
	return puo
}

// RemoveContributorIDs removes the "contributors" edge to PostContributor entities by IDs.
func (puo *PostUpdateOne) RemoveContributorIDs(ids ...int) *PostUpdateOne {
	puo.mutation.RemoveContributorIDs(ids...)
	return puo
}

// RemoveContributors removes "contributors" edges to PostContributor entities.
func (puo *PostUpdateOne) RemoveContributors(p ...*PostContributor) *PostUpdateOne {
	ids := make([]int, len(p))
	for i := range p {
		ids[i] = p[i].ID
	}
	return puo.RemoveContributorIDs(ids...)
}

// ClearCategories clears all "categories" edges to the Category entity.
func (puo *PostUpdateOne) ClearCategories() *PostUpdateOne {
	puo.mutation.ClearCategories()
	return puo
}

// RemoveCategoryIDs removes the "categories" edge to Category entities by IDs.
func (puo *PostUpdateOne) RemoveCategoryIDs(ids ...int) *PostUpdateOne {
	puo.mutation.RemoveCategoryIDs(ids...)
	return puo
}

// RemoveCategories removes "categories" edges to Category entities.
func (puo *PostUpdateOne) RemoveCategories(c ...*Category) *PostUpdateOne {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return puo.RemoveCategoryIDs(ids...)
}

// Where appends a list predicates to the PostUpdate builder.
func (puo *PostUpdateOne) Where(ps ...predicate.Post) *PostUpdateOne {
	puo.mutation.Where(ps...)
	return puo
}

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

// Save executes the query and returns the updated Post entity.
func (puo *PostUpdateOne) Save(ctx context.Context) (*Post, error) {
	puo.defaults()
	return withHooks(ctx, puo.sqlSave, puo.mutation, puo.hooks)
}

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

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

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

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

// check runs all checks and user-defined validators on the builder.
func (puo *PostUpdateOne) check() error {
	if v, ok := puo.mutation.Status(); ok {
		if err := post.StatusValidator(v); err != nil {
			return &ValidationError{Name: "status", err: fmt.Errorf(`ent: validator failed for field "Post.status": %w`, err)}
		}
	}
	if v, ok := puo.mutation.Slug(); ok {
		if err := post.SlugValidator(v); err != nil {
			return &ValidationError{Name: "slug", err: fmt.Errorf(`ent: validator failed for field "Post.slug": %w`, err)}
		}
	}
	return nil
}

func (puo *PostUpdateOne) sqlSave(ctx context.Context) (_node *Post, err error) {
	if err := puo.check(); err != nil {
		return _node, err
	}
	_spec := sqlgraph.NewUpdateSpec(post.Table, post.Columns, sqlgraph.NewFieldSpec(post.FieldID, field.TypeInt))
	id, ok := puo.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Post.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := puo.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, post.FieldID)
		for _, f := range fields {
			if !post.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != post.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := puo.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := puo.mutation.Status(); ok {
		_spec.SetField(post.FieldStatus, field.TypeEnum, value)
	}
	if value, ok := puo.mutation.Slug(); ok {
		_spec.SetField(post.FieldSlug, field.TypeString, value)
	}
	if value, ok := puo.mutation.CreatedAt(); ok {
		_spec.SetField(post.FieldCreatedAt, field.TypeTime, value)
	}
	if value, ok := puo.mutation.UpdatedAt(); ok {
		_spec.SetField(post.FieldUpdatedAt, field.TypeTime, value)
	}
	if puo.mutation.ContentsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContentsTable,
			Columns: []string{post.ContentsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontent.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := puo.mutation.RemovedContentsIDs(); len(nodes) > 0 && !puo.mutation.ContentsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContentsTable,
			Columns: []string{post.ContentsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontent.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := puo.mutation.ContentsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContentsTable,
			Columns: []string{post.ContentsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontent.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if puo.mutation.ContributorsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContributorsTable,
			Columns: []string{post.ContributorsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontributor.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := puo.mutation.RemovedContributorsIDs(); len(nodes) > 0 && !puo.mutation.ContributorsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContributorsTable,
			Columns: []string{post.ContributorsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontributor.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := puo.mutation.ContributorsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   post.ContributorsTable,
			Columns: []string{post.ContributorsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(postcontributor.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if puo.mutation.CategoriesCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   post.CategoriesTable,
			Columns: post.CategoriesPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(category.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := puo.mutation.RemovedCategoriesIDs(); len(nodes) > 0 && !puo.mutation.CategoriesCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   post.CategoriesTable,
			Columns: post.CategoriesPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(category.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := puo.mutation.CategoriesIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   post.CategoriesTable,
			Columns: post.CategoriesPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(category.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	_node = &Post{config: puo.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, puo.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{post.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	puo.mutation.done = true
	return _node, nil
}