Feat: finish object storage

models/image.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"fmt"
 	"time"
 
 	"github.com/uptrace/bun"
@@ -9,9 +10,14 @@ import (
 type Image struct {
 	bun.BaseModel `bun:"table:image"`
 
-	Id       int64     `bun:"id,pk,autoincrement"`
-	Uploader string    `bun:"uploader"`
-	UploadTS time.Time `bun:"upload_timestamp"`
+	Id        int64     `bun:"id,pk,autoincrement"`
+	Extension string    `bun:"extension"`
+	Uploader  string    `bun:"uploader"`
+	UploadTS  time.Time `bun:"upload_timestamp"`
 
 	Aliases []Alias `bun:"m2m:alias_image,join:Image=Alias"`
 }
+
+func (self *Image) Filename() string {
+	return fmt.Sprintf("%d.%s", self.Id, self.Extension)
+}