/
document.go
59 lines (47 loc) · 1.07 KB
/
document.go
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/*
* @Author: Rumple
* @Email: ruipeng.wu@cyclone-robotics.com
* @DateTime: 2021/8/24 14:32
*/
package mongoose
import (
"time"
"go.mongodb.org/mongo-driver/bson/primitive"
)
type IDocument interface {
PreCreate()
PreUpdate()
PreDelete()
CollectionName() string
}
type Document struct {
ID primitive.ObjectID `bson:"_id,omitempty" json:"id,omitempty"`
CreatedAt *time.Time `bson:"created_at,omitempty" json:"created_at,omitempty"`
UpdatedAt *time.Time `bson:"updated_at,omitempty" json:"updated_at,omitempty"`
DeletedAt *time.Time `bson:"deleted_at,omitempty" json:"-"`
}
func (d *Document) PreCreate() {
if d.ID == primitive.NilObjectID {
d.ID = primitive.NewObjectID()
}
if d.CreatedAt == nil {
d.CreatedAt = Now()
}
if d.UpdatedAt == nil {
d.UpdatedAt = Now()
}
}
func (d *Document) PreUpdate() {
if d.UpdatedAt == nil {
d.UpdatedAt = Now()
}
}
func (d *Document) PreDelete() {
if d.DeletedAt == nil {
d.DeletedAt = Now()
}
}
func Now() *time.Time {
now := time.Now().UTC().Truncate(time.Millisecond)
return &now
}