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// 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 ent
import (
"context"
"fmt"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/entc/integration/ent/license"
"entgo.io/ent/entc/integration/ent/predicate"
"entgo.io/ent/schema/field"
)
// LicenseDelete is the builder for deleting a License entity.
type LicenseDelete struct {
config
hooks []Hook
mutation *LicenseMutation
}
// Where appends a list predicates to the LicenseDelete builder.
func (ld *LicenseDelete) Where(ps ...predicate.License) *LicenseDelete {
ld.mutation.Where(ps...)
return ld
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (ld *LicenseDelete) Exec(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(ld.hooks) == 0 {
affected, err = ld.sqlExec(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*LicenseMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
ld.mutation = mutation
affected, err = ld.sqlExec(ctx)
mutation.done = true
return affected, err
})
for i := len(ld.hooks) - 1; i >= 0; i-- {
if ld.hooks[i] == nil {
return 0, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
}
mut = ld.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, ld.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// ExecX is like Exec, but panics if an error occurs.
func (ld *LicenseDelete) ExecX(ctx context.Context) int {
n, err := ld.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (ld *LicenseDelete) sqlExec(ctx context.Context) (int, error) {
_spec := &sqlgraph.DeleteSpec{
Node: &sqlgraph.NodeSpec{
Table: license.Table,
ID: &sqlgraph.FieldSpec{
Type: field.TypeInt,
Column: license.FieldID,
},
},
}
if ps := ld.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, ld.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
return affected, err
}
// LicenseDeleteOne is the builder for deleting a single License entity.
type LicenseDeleteOne struct {
ld *LicenseDelete
}
// Exec executes the deletion query.
func (ldo *LicenseDeleteOne) Exec(ctx context.Context) error {
n, err := ldo.ld.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{license.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (ldo *LicenseDeleteOne) ExecX(ctx context.Context) {
ldo.ld.ExecX(ctx)
}
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