FIX: fix error on comments overview when article was deleted

modules/Blog/Article/Resources/lang/en/comments.php

@@ -5,7 +5,8 @@ return [
     'approve'          => 'Approve comment',
     'approved'         => 'Comment successfully approved',
     'deleted'          => 'Comment deleted',
-    'noComments' => 'No comments available',
+    'unknownArticle'   => 'Unknown article',
+    'noComments'       => 'No comments available',
     'events'           => [
         'names'        => [
             'commentCreated'  => 'Added comment',

modules/Blog/Article/Resources/views/admin/comments/overview.blade.php

@@ -21,19 +21,28 @@
                     </p>
                 </div>
                 <div class="card-footer">
-                    @lang('article::comments.createdAt', ['date' => \App\Helpers\Template::date($comment->created_at)]) |
+                    @lang('article::comments.createdAt', ['date' => \App\Helpers\Template::date($comment->created_at)])
+                    |
 
-                    @lang('article::comments.commentedArticle'): <a href="{{route('page.content', ['url' => $comment->article->url])}}" target="_blank">
+                    @lang('article::comments.commentedArticle'):
-                        {{$comment->article->title}}
+
-                    </a>
+                    @if($comment->article)
+                        <a href="{{route('page.content', ['url' => $comment->article->url])}}" target="_blank">
+                            {{$comment->article->title}}
+                        </a>
+                    @else
+                        @lang('article::comments.unknownArticle')
+                    @endif
 
                     <div class="pull-right">
                         @if (!$comment->approved)
-                            <a href="{{route('comments.approve', ['id' => $comment->id])}}" class="btn btn-sm btn-success" title="@lang('article::comments.approve')"
+                            <a href="{{route('comments.approve', ['id' => $comment->id])}}"
+                               class="btn btn-sm btn-success" title="@lang('article::comments.approve')"
                                data-toggle="tooltip"><i class="fa fa-fw fa-check"></i></a>
                         @endif
 
-                        <a href="{{route('comments.delete', ['id' => $comment->id])}}" class="btn btn-sm confirm btn-warning"><i class="fa fa-fw fa-trash"></i></a>
+                        <a href="{{route('comments.delete', ['id' => $comment->id])}}"
+                           class="btn btn-sm confirm btn-warning"><i class="fa fa-fw fa-trash"></i></a>
                     </div>
 
                 </div>