add leaui_image plugin for replace leanote_image. on a train to ChangSha

app/service/AlbumService.go

@@ -0,0 +1,44 @@
+package service
+
+import (
+	"github.com/leanote/leanote/app/info"
+//	. "github.com/leanote/leanote/app/lea"
+	"github.com/leanote/leanote/app/db"
+	"labix.org/v2/mgo/bson"
+	"time"
+)
+
+const IMAGE_TYPE = 0
+
+type AlbumService struct {
+}
+
+// add album
+func (this *AlbumService) AddAlbum(album info.Album) bool {
+	album.CreatedTime = time.Now()
+	album.Type = IMAGE_TYPE
+	return db.Insert(db.Albums, album)
+}
+
+// get albums
+func (this *AlbumService) GetAlbums(userId string) []info.Album {
+	albums := []info.Album{}
+	db.ListByQ(db.Albums, bson.M{"UserId": bson.ObjectIdHex(userId)}, &albums)
+	return albums
+}
+
+// delete album
+// presupposition: has no images under this ablum
+func (this *AlbumService) DeleteAlbum(userId, albumId string) (bool, string) {
+	if db.Count(db.Files, bson.M{"AlbumId": bson.ObjectIdHex(albumId), 
+		"UserId": bson.ObjectIdHex(userId),
+		}) == 0 {
+		return db.DeleteByIdAndUserId(db.Albums, albumId, userId), ""
+	}
+	return false, "has images"
+}
+
+// update album name
+func (this *AlbumService) UpdateAlbum(albumId, userId, name string) bool {
+	return db.UpdateByIdAndUserIdField(db.Albums, albumId, userId, "Name", name)
+}