// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by ent, DO NOT EDIT.

package entv2

import (
	"context"
	"errors"
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/entc/integration/migrate/entv2/blog"
	"entgo.io/ent/entc/integration/migrate/entv2/predicate"
	"entgo.io/ent/entc/integration/migrate/entv2/user"
	"entgo.io/ent/schema/field"
)

// BlogUpdate is the builder for updating Blog entities.
type BlogUpdate struct {
	config
	hooks    []Hook
	mutation *BlogMutation
}

// Where appends a list predicates to the BlogUpdate builder.
func (_u *BlogUpdate) Where(ps ...predicate.Blog) *BlogUpdate {
	_u.mutation.Where(ps...)
	return _u
}

// SetOid sets the "oid" field.
func (_u *BlogUpdate) SetOid(v int) *BlogUpdate {
	_u.mutation.ResetOid()
	_u.mutation.SetOid(v)
	return _u
}

// SetNillableOid sets the "oid" field if the given value is not nil.
func (_u *BlogUpdate) SetNillableOid(v *int) *BlogUpdate {
	if v != nil {
		_u.SetOid(*v)
	}
	return _u
}

// AddOid adds value to the "oid" field.
func (_u *BlogUpdate) AddOid(v int) *BlogUpdate {
	_u.mutation.AddOid(v)
	return _u
}

// AddAdminIDs adds the "admins" edge to the User entity by IDs.
func (_u *BlogUpdate) AddAdminIDs(ids ...int) *BlogUpdate {
	_u.mutation.AddAdminIDs(ids...)
	return _u
}

// AddAdmins adds the "admins" edges to the User entity.
func (_u *BlogUpdate) AddAdmins(v ...*User) *BlogUpdate {
	ids := make([]int, len(v))
	for i := range v {
		ids[i] = v[i].ID
	}
	return _u.AddAdminIDs(ids...)
}

// Mutation returns the BlogMutation object of the builder.
func (_u *BlogUpdate) Mutation() *BlogMutation {
	return _u.mutation
}

// ClearAdmins clears all "admins" edges to the User entity.
func (_u *BlogUpdate) ClearAdmins() *BlogUpdate {
	_u.mutation.ClearAdmins()
	return _u
}

// RemoveAdminIDs removes the "admins" edge to User entities by IDs.
func (_u *BlogUpdate) RemoveAdminIDs(ids ...int) *BlogUpdate {
	_u.mutation.RemoveAdminIDs(ids...)
	return _u
}

// RemoveAdmins removes "admins" edges to User entities.
func (_u *BlogUpdate) RemoveAdmins(v ...*User) *BlogUpdate {
	ids := make([]int, len(v))
	for i := range v {
		ids[i] = v[i].ID
	}
	return _u.RemoveAdminIDs(ids...)
}

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

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

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

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

func (_u *BlogUpdate) sqlSave(ctx context.Context) (_node int, err error) {
	_spec := sqlgraph.NewUpdateSpec(blog.Table, blog.Columns, sqlgraph.NewFieldSpec(blog.FieldID, field.TypeInt))
	if ps := _u.mutation.Predicates(); len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := _u.mutation.Oid(); ok {
		_spec.SetField(blog.FieldOid, field.TypeInt, value)
	}
	if value, ok := _u.mutation.AddedOid(); ok {
		_spec.AddField(blog.FieldOid, field.TypeInt, value)
	}
	if _u.mutation.AdminsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   blog.AdminsTable,
			Columns: []string{blog.AdminsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := _u.mutation.RemovedAdminsIDs(); len(nodes) > 0 && !_u.mutation.AdminsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   blog.AdminsTable,
			Columns: []string{blog.AdminsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.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 := _u.mutation.AdminsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   blog.AdminsTable,
			Columns: []string{blog.AdminsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{blog.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	_u.mutation.done = true
	return _node, nil
}

// BlogUpdateOne is the builder for updating a single Blog entity.
type BlogUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *BlogMutation
}

// SetOid sets the "oid" field.
func (_u *BlogUpdateOne) SetOid(v int) *BlogUpdateOne {
	_u.mutation.ResetOid()
	_u.mutation.SetOid(v)
	return _u
}

// SetNillableOid sets the "oid" field if the given value is not nil.
func (_u *BlogUpdateOne) SetNillableOid(v *int) *BlogUpdateOne {
	if v != nil {
		_u.SetOid(*v)
	}
	return _u
}

// AddOid adds value to the "oid" field.
func (_u *BlogUpdateOne) AddOid(v int) *BlogUpdateOne {
	_u.mutation.AddOid(v)
	return _u
}

// AddAdminIDs adds the "admins" edge to the User entity by IDs.
func (_u *BlogUpdateOne) AddAdminIDs(ids ...int) *BlogUpdateOne {
	_u.mutation.AddAdminIDs(ids...)
	return _u
}

// AddAdmins adds the "admins" edges to the User entity.
func (_u *BlogUpdateOne) AddAdmins(v ...*User) *BlogUpdateOne {
	ids := make([]int, len(v))
	for i := range v {
		ids[i] = v[i].ID
	}
	return _u.AddAdminIDs(ids...)
}

// Mutation returns the BlogMutation object of the builder.
func (_u *BlogUpdateOne) Mutation() *BlogMutation {
	return _u.mutation
}

// ClearAdmins clears all "admins" edges to the User entity.
func (_u *BlogUpdateOne) ClearAdmins() *BlogUpdateOne {
	_u.mutation.ClearAdmins()
	return _u
}

// RemoveAdminIDs removes the "admins" edge to User entities by IDs.
func (_u *BlogUpdateOne) RemoveAdminIDs(ids ...int) *BlogUpdateOne {
	_u.mutation.RemoveAdminIDs(ids...)
	return _u
}

// RemoveAdmins removes "admins" edges to User entities.
func (_u *BlogUpdateOne) RemoveAdmins(v ...*User) *BlogUpdateOne {
	ids := make([]int, len(v))
	for i := range v {
		ids[i] = v[i].ID
	}
	return _u.RemoveAdminIDs(ids...)
}

// Where appends a list predicates to the BlogUpdate builder.
func (_u *BlogUpdateOne) Where(ps ...predicate.Blog) *BlogUpdateOne {
	_u.mutation.Where(ps...)
	return _u
}

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

// Save executes the query and returns the updated Blog entity.
func (_u *BlogUpdateOne) Save(ctx context.Context) (*Blog, error) {
	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
}

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

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

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

func (_u *BlogUpdateOne) sqlSave(ctx context.Context) (_node *Blog, err error) {
	_spec := sqlgraph.NewUpdateSpec(blog.Table, blog.Columns, sqlgraph.NewFieldSpec(blog.FieldID, field.TypeInt))
	id, ok := _u.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`entv2: missing "Blog.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := _u.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, blog.FieldID)
		for _, f := range fields {
			if !blog.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("entv2: invalid field %q for query", f)}
			}
			if f != blog.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := _u.mutation.Predicates(); len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := _u.mutation.Oid(); ok {
		_spec.SetField(blog.FieldOid, field.TypeInt, value)
	}
	if value, ok := _u.mutation.AddedOid(); ok {
		_spec.AddField(blog.FieldOid, field.TypeInt, value)
	}
	if _u.mutation.AdminsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   blog.AdminsTable,
			Columns: []string{blog.AdminsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := _u.mutation.RemovedAdminsIDs(); len(nodes) > 0 && !_u.mutation.AdminsCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   blog.AdminsTable,
			Columns: []string{blog.AdminsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.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 := _u.mutation.AdminsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   blog.AdminsTable,
			Columns: []string{blog.AdminsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	_node = &Blog{config: _u.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{blog.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	_u.mutation.done = true
	return _node, nil
}