-
Notifications
You must be signed in to change notification settings - Fork 0
/
gormredis.go
120 lines (113 loc) · 3.07 KB
/
gormredis.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
116
117
118
119
120
package gormredis
import (
"time"
"github.com/daqiancode/cachelayer"
"github.com/go-redis/redis/v8"
"gorm.io/gorm"
)
func NewGormRedis[T cachelayer.Table[I], I cachelayer.IDType](prefix, table, idField string, db *gorm.DB, red *redis.Client, ttl time.Duration) *cachelayer.RedisCache[T, I] {
rc := cachelayer.NewRedisCache[T, I](prefix, table, idField, &Gorm[T, I]{db: db, table: table, idField: idField}, red, ttl)
return rc
}
func NewGormRedisFull[T cachelayer.Table[I], I cachelayer.IDType](prefix, table, idField string, db *gorm.DB, red *redis.Client, ttl time.Duration) cachelayer.FullCache[T, I] {
rc := cachelayer.NewFullRedisCache[T, I](prefix, table, idField, &Gorm[T, I]{db: db, table: table, idField: idField}, red, ttl)
return rc
}
type Gorm[T cachelayer.Table[I], I cachelayer.IDType] struct {
db *gorm.DB
table string
idField string
}
func (s *Gorm[T, I]) Close() error {
return nil
}
func (s *Gorm[T, I]) DB() *gorm.DB {
return s.db
}
func (s *Gorm[T, I]) Create(r *T) error {
if err := s.db.Create(r).Error; err != nil {
return err
}
return nil
}
func (s *Gorm[T, I]) Save(r *T) error {
_, exists, err := s.Get((*r).GetID())
if err != nil {
return err
}
if !exists {
return s.Create(r)
}
return s.db.Save(r).Error
}
func (s *Gorm[T, I]) Update(id I, values interface{}) (int64, error) {
old, exists, err := s.Get(id)
if err != nil {
return 0, err
}
if !exists {
return 0, nil
}
rs := s.db.Model(&old).Updates(values)
if rs.Error != nil {
return 0, rs.Error
}
return rs.RowsAffected, nil
}
func (s *Gorm[T, I]) Delete(ids ...I) (int64, error) {
rs := s.db.Delete(new(T), ids)
if rs.Error != nil {
return 0, rs.Error
}
return rs.RowsAffected, nil
}
func (s *Gorm[T, I]) Get(id I) (T, bool, error) {
var r T
if err := s.db.Where(map[string]interface{}{s.idField: id}).First(&r).Error; err != nil {
if err == gorm.ErrRecordNotFound {
return r, false, nil
}
return r, false, err
}
return r, true, nil
}
func (s *Gorm[T, I]) GetBy(index cachelayer.Index) (T, bool, error) {
var r T
index1 := make(cachelayer.Index, len(index))
for k, v := range index {
index1[s.db.NamingStrategy.ColumnName(s.table, k)] = v
}
if err := s.db.Where(map[string]interface{}(index1)).First(&r).Error; err != nil {
if err == gorm.ErrRecordNotFound {
return r, false, nil
}
return r, false, err
}
return r, true, nil
}
func (s *Gorm[T, I]) List(ids ...I) ([]T, error) {
var r []T
err := s.db.Find(&r, ids).Error
return r, err
}
func (s *Gorm[T, I]) ListBy(index cachelayer.Index, orderBys cachelayer.OrderBys) ([]T, error) {
var r []T
index1 := make(cachelayer.Index, len(index))
for k, v := range index {
index1[s.db.NamingStrategy.ColumnName(s.table, k)] = v
}
for i, v := range orderBys {
orderBys[i].Field = s.db.NamingStrategy.ColumnName(s.table, v.Field)
}
if err := s.db.Where(map[string]interface{}(index1)).Order(orderBys.String()).Find(&r).Error; err != nil {
return nil, err
}
return r, nil
}
func (s *Gorm[T, I]) ListAll() ([]T, error) {
var r []T
if err := s.db.Find(&r).Error; err != nil {
return nil, err
}
return r, nil
}