-
Notifications
You must be signed in to change notification settings - Fork 180
/
user_delete.go
115 lines (104 loc) · 2.69 KB
/
user_delete.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"fmt"
"entgo.io/contrib/entproto/cmd/protoc-gen-ent/internal/todo/ent/predicate"
"entgo.io/contrib/entproto/cmd/protoc-gen-ent/internal/todo/ent/user"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// UserDelete is the builder for deleting a User entity.
type UserDelete struct {
config
hooks []Hook
mutation *UserMutation
}
// Where appends a list predicates to the UserDelete builder.
func (ud *UserDelete) Where(ps ...predicate.User) *UserDelete {
ud.mutation.Where(ps...)
return ud
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (ud *UserDelete) Exec(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(ud.hooks) == 0 {
affected, err = ud.sqlExec(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*UserMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
ud.mutation = mutation
affected, err = ud.sqlExec(ctx)
mutation.done = true
return affected, err
})
for i := len(ud.hooks) - 1; i >= 0; i-- {
if ud.hooks[i] == nil {
return 0, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
}
mut = ud.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, ud.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// ExecX is like Exec, but panics if an error occurs.
func (ud *UserDelete) ExecX(ctx context.Context) int {
n, err := ud.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (ud *UserDelete) sqlExec(ctx context.Context) (int, error) {
_spec := &sqlgraph.DeleteSpec{
Node: &sqlgraph.NodeSpec{
Table: user.Table,
ID: &sqlgraph.FieldSpec{
Type: field.TypeInt,
Column: user.FieldID,
},
},
}
if ps := ud.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, ud.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
return affected, err
}
// UserDeleteOne is the builder for deleting a single User entity.
type UserDeleteOne struct {
ud *UserDelete
}
// Exec executes the deletion query.
func (udo *UserDeleteOne) Exec(ctx context.Context) error {
n, err := udo.ud.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{user.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (udo *UserDeleteOne) ExecX(ctx context.Context) {
udo.ud.ExecX(ctx)
}