Fix loading if no comments are available

Signed-off-by: Julius Härtl <jus@bitgrid.net>

js/controller/ActivityController.js

@@ -46,12 +46,16 @@ class ActivityController {
 			return self.element.id;
 		}, function (params) {
 			if (self.getData(self.element.id).length === 0) {
-				self.activityservice.loadComments(self.element.id);
+				if (self.type === 'deck_card') {
+					self.activityservice.loadComments(self.element.id);
+				}
 				self.loading = true;
 				self.fetchUntilResults();
 			}
 			self.activityservice.fetchNewerActivities(self.type, self.element.id).then(function () {});
-			self.cardservice.getCurrent().commentsUnread = 0;
+			if (self.type === 'deck_card') {
+				self.cardservice.getCurrent().commentsUnread = 0;
+			}
 		}, true);
 
 		let $target = $('.newCommentForm .message');

js/service/ActivityService.js

@@ -124,7 +124,7 @@ class ActivityService {
 			self.running = false;
 			return response;
 		}, function (error) {
-			if (error.status === 304) {
+			if (error.status === 304 || error.status === 404) {
 				self.since[type][id].finished = true;
 			}
 			self.running = false;
@@ -140,7 +140,9 @@ class ActivityService {
 		if (!this.since[type][id].finished) {
 			this.runningPromise = this.fetchCardActivities(type, id, this.since[type][id].oldest);
 			this.runningPromise.then(function() {
-				self.commentCollection.fetchNext();
+				if (type === 'deck_card') {
+					self.commentCollection.fetchNext();
+				}
 			});
 			return this.runningPromise;
 		}

templates/part.card.activity.html

@@ -1,5 +1,5 @@
 <div id="commentsTabView">
-	<div class="newCommentRow comment" data-id="">
+	<div class="newCommentRow comment" data-id="" ng-show="$ctrl.type === 'deck_card'">
 		<div class="authorRow">
 			<div class="avatardiv" avatar ng-attr-user="{{ $ctrl.currentUser.uid }}" ng-attr-displayname="{{ $ctrl.currentUser.displayName }}" ng-attr-size="24"></div>
 			<div class="author currentUser">{{ $ctrl.currentUser.displayName }}</div>