fix deletion back

back/mails/message/Message.ts

@@ -30,17 +30,18 @@ export default class Message {
     }
 
     async useFlags(): Promise<Message> {
+        let flags;
         if (!this._flags) {
             if (this.messageId) {
-                await getFlagsOnId(this.messageId);
-                return this;
+                flags = await getFlagsOnId(this.messageId);
             } else if (this.uid) {
-                await getFlagsOnUid(this.uid);
-                return this;
+                flags = await getFlagsOnUid(this.uid);
             } else {
                 throw "Neither message id or uid are set, please do so before attempting to load flags";
             }
+            this._flags = flags;
         }
+        return this;
     }
 
     async useMailbox(mailboxId: number, user?: string): Promise<Message> {
@@ -62,6 +63,8 @@ export default class Message {
     }
 
     get flags(): string[] {
+        console.log("called");
+        console.log(this._flags);
         if (!this._flags) {
             throw "Flags not loaded, call useFlags before calling functions related to flags";
         } else {