add leave of closed group to new sending pipeline

js/models/conversations.js

@@ -1924,7 +1924,6 @@
       }
 
       if (this.get('type') === 'group') {
-        const groupNumbers = this.getRecipients();
         this.set({ left: true });
 
         await window.Signal.Data.updateConversation(this.id, this.attributes, {
@@ -1944,12 +1943,17 @@
         });
         message.set({ id });
 
-        message.send(
-          this.wrapSend(
-            textsecure.messaging.leaveGroup(this.id, groupNumbers, {})
-          )
+        // FIXME what about public groups?
+        const quitGroup = {
+          timestamp: Date.now(),
+          groupId: this.id,
+        };
+        const quitGroupMessage = new new libsession.Messages.Outgoing.ClosedGroupLeaveMessage(
+          quitGroup
         );
 
+        await libsession.getMessageQueue().sendToGroup(quitGroupMessage);
+
         this.updateTextInputState();
       }
     },

libtextsecure/sendmessage.js

@@ -1222,14 +1222,6 @@ MessageSender.prototype = {
 
     textsecure.messaging.updateMediumGroup([sender], proto);
   },
-
-  leaveGroup(groupId, groupNumbers, options) {
-    const proto = new textsecure.protobuf.DataMessage();
-    proto.group = new textsecure.protobuf.GroupContext();
-    proto.group.id = stringToArrayBuffer(groupId);
-    proto.group.type = textsecure.protobuf.GroupContext.Type.QUIT;
-    return this.sendGroupProto(groupNumbers, proto, Date.now(), options);
-  },
   async sendExpirationTimerUpdateToGroup(
     groupId,
     groupNumbers,
@@ -1331,7 +1323,6 @@ textsecure.MessageSender = function MessageSenderWrapper(username, password) {
   this.setGroupName = sender.setGroupName.bind(sender);
   this.setGroupAvatar = sender.setGroupAvatar.bind(sender);
   this.requestSenderKeys = sender.requestSenderKeys.bind(sender);
-  this.leaveGroup = sender.leaveGroup.bind(sender);
   this.sendSyncMessage = sender.sendSyncMessage.bind(sender);
   this.getProfile = sender.getProfile.bind(sender);
   this.uploadAvatar = sender.uploadAvatar.bind(sender);

ts/session/messages/outgoing/content/data/group/ClosedGroupLeaveMessage.ts

@@ -0,0 +1,29 @@
+import { SignalService } from '../../../../../../protobuf';
+import { ClosedGroupMessage, ClosedGroupMessageParams } from './ClosedGroupMessage';
+
+
+export class ClosedGroupLeaveMessage extends ClosedGroupMessage {
+
+  constructor(params: ClosedGroupMessageParams) {
+    super({
+      timestamp: params.timestamp,
+      identifier: params.identifier,
+      groupId: params.groupId,
+    });
+  }
+
+  public ttl(): number {
+    return this.getDefaultTTL();
+  }
+
+  protected groupContextType(): SignalService.GroupContext.Type {
+    return SignalService.GroupContext.Type.QUIT;
+  }
+
+  protected dataProto(): SignalService.DataMessage {
+    const messageProto = new SignalService.DataMessage();
+    messageProto.group = this.groupContext();
+
+    return messageProto;
+  }
+}