-
Notifications
You must be signed in to change notification settings - Fork 76
/
item.go
58 lines (45 loc) · 1.37 KB
/
item.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
package storage
import (
"time"
"github.com/hashicorp/go-uuid"
"github.com/jinzhu/gorm"
)
// Item represents a storage item instance.
type Item struct {
Type string `gorm:"-" json:"type,omitempty"`
ID string `gorm:"type:varchar(36);not null;primary_key" json:"id"`
Name string `gorm:"type:varchar(128);not null;unique_index" json:"name"`
Description *string `gorm:"type:text" json:"description"`
Created time.Time `gorm:"not null;default:current_timestamp" json:"created"`
Modified time.Time `gorm:"not null;default:current_timestamp" json:"modified"`
storage *Storage
}
// BeforeSave handles the ORM 'BeforeSave' callback.
func (i *Item) BeforeSave(scope *gorm.Scope) error {
if i.ID == "" {
id, err := uuid.GenerateUUID()
if err != nil {
return err
}
scope.SetColumn("ID", id)
} else if _, err := uuid.ParseUUID(i.ID); err != nil {
return ErrInvalidID
}
if !nameRegexp.MatchString(i.Name) {
return ErrInvalidName
}
now := time.Now().UTC().Round(time.Second)
if i.Created.IsZero() {
scope.SetColumn("Created", now)
}
scope.SetColumn("Modified", now)
// Ensure optional fields are null if empty
if i.Description != nil && *i.Description == "" {
scope.SetColumn("Description", nil)
}
return nil
}
// SetStorage sets the item internal storage reference.
func (i *Item) SetStorage(s *Storage) {
i.storage = s
}