forked from rdeusser/contrib
/
todo_delete.go
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/
todo_delete.go
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// Copyright 2019-present Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by entc, DO NOT EDIT.
package ent
import (
"context"
"entgo.io/contrib/entgql/internal/todofed/ent/predicate"
"entgo.io/contrib/entgql/internal/todofed/ent/todo"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// TodoDelete is the builder for deleting a Todo entity.
type TodoDelete struct {
config
hooks []Hook
mutation *TodoMutation
}
// Where appends a list predicates to the TodoDelete builder.
func (td *TodoDelete) Where(ps ...predicate.Todo) *TodoDelete {
td.mutation.Where(ps...)
return td
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (td *TodoDelete) Exec(ctx context.Context) (int, error) {
return withHooks[int, TodoMutation](ctx, td.sqlExec, td.mutation, td.hooks)
}
// ExecX is like Exec, but panics if an error occurs.
func (td *TodoDelete) ExecX(ctx context.Context) int {
n, err := td.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (td *TodoDelete) sqlExec(ctx context.Context) (int, error) {
_spec := sqlgraph.NewDeleteSpec(todo.Table, sqlgraph.NewFieldSpec(todo.FieldID, field.TypeInt))
if ps := td.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, td.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
td.mutation.done = true
return affected, err
}
// TodoDeleteOne is the builder for deleting a single Todo entity.
type TodoDeleteOne struct {
td *TodoDelete
}
// Where appends a list predicates to the TodoDelete builder.
func (tdo *TodoDeleteOne) Where(ps ...predicate.Todo) *TodoDeleteOne {
tdo.td.mutation.Where(ps...)
return tdo
}
// Exec executes the deletion query.
func (tdo *TodoDeleteOne) Exec(ctx context.Context) error {
n, err := tdo.td.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{todo.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (tdo *TodoDeleteOne) ExecX(ctx context.Context) {
if err := tdo.Exec(ctx); err != nil {
panic(err)
}
}