Track if user has participated in a thread or not (#2075)

matrix-org · Dec 16, 2021 · f46968c · f46968c
1 parent 95f718b
commit f46968c
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/src/@types/event.ts b/src/@types/event.ts
@@ -115,11 +115,13 @@ export enum MsgType {
     KeyVerificationRequest = "m.key.verification.request",
 }
 
+/* eslint-disable camelcase */
 export interface IThreadBundledRelation {
-    // eslint-disable-next-line camelcase
     latest_event: IEvent;
     count: number;
+    current_user_participated?: boolean;
 }
+/* eslint-enable camelcase */
 
 export const RoomCreateTypeField = "type";
 

diff --git a/src/models/thread.ts b/src/models/thread.ts
@@ -42,6 +42,7 @@ export class Thread extends TypedEventEmitter<ThreadEvent> {
     private _head: MatrixEvent;
     private eventToPreview: MatrixEvent = null;
     private replyCount = 0;
+    private _currentUserParticipated = false;
 
     public _hasServerSideSupport = false;
 
@@ -207,6 +208,7 @@ export class Thread extends TypedEventEmitter<ThreadEvent> {
             });
             EventTimeline.setEventMetadata(this.eventToPreview, this.roomState, false);
             this.replyCount = threadBundle.count;
+            this._currentUserParticipated = threadBundle.current_user_participated === true;
         } else {
             this.addEvent(this._head);
             this.replyCount = 0;
@@ -269,6 +271,10 @@ export class Thread extends TypedEventEmitter<ThreadEvent> {
             this.emit(ThreadEvent.NewReply, this, event);
         }
 
+        if (!this._currentUserParticipated) {
+            this._currentUserParticipated = event.getSender() === this.client.getUserId();
+        }
+
         this.emit(ThreadEvent.Update, this);
         this.emit(ThreadEvent.New, this);
     }
@@ -332,4 +338,8 @@ export class Thread extends TypedEventEmitter<ThreadEvent> {
     public get ready(): boolean {
         return this._ready;
     }
+
+    public get currentUserParticipated(): boolean {
+        return this._currentUserParticipated;
+    }
 }