Manually mark a release as failed to start failed download process (history details)

src/UI/History/Details/HistoryDetailsView.js

@@ -1,10 +1,30 @@
 'use strict';
 define(
     [
-        'marionette'
-    ], function (Marionette) {
+        'vent',
+        'marionette',
+        'jquery'
+    ], function (vent, Marionette, $) {
 
         return Marionette.ItemView.extend({
-            template: 'History/Details/HistoryDetailsViewTemplate'
+            template: 'History/Details/HistoryDetailsViewTemplate',
+
+            events: {
+                'click .x-mark-as-failed': '_markAsFailed'
+            },
+
+            _markAsFailed: function () {
+                var url = window.NzbDrone.ApiRoot + '/history/failed';
+                var data = {
+                    id: this.model.get('id')
+                };
+
+                $.ajax({
+                    url: url,
+                    type: 'POST',
+                    data: data
+                });
+                vent.trigger(vent.Commands.CloseModalCommand);
+            }
         });
     });

src/UI/History/Details/HistoryDetailsViewTemplate.html

@@ -63,6 +63,7 @@
         {{/if_eq}}
     </div>
     <div class="modal-footer">
+        {{#if_eq eventType compare="grabbed"}}<button class="btn btn-danger x-mark-as-failed">mark as failed</button>{{/if_eq}}
         <button class="btn" data-dismiss="modal">close</button>
     </div>
 </div>