Code cleanup part #1: move all the services and directive JS code in the app.js file into its own files

static/js/services/ui-service.js

@@ -0,0 +1,37 @@
+/**
+ * Service which provides helper methods for performing some simple UI operations.
+ */
+angular.module('quay').factory('UIService', [function() {
+  var uiService = {};
+
+  uiService.hidePopover = function(elem) {
+    var popover = $(elem).data('bs.popover');
+    if (popover) {
+      popover.hide();
+    }
+  };
+
+  uiService.showPopover = function(elem, content) {
+    var popover = $(elem).data('bs.popover');
+    if (!popover) {
+      $(elem).popover({'content': '-', 'placement': 'left'});
+    }
+
+    setTimeout(function() {
+      var popover = $(elem).data('bs.popover');
+      popover.options.content = content;
+      popover.show();
+    }, 500);
+  };
+
+  uiService.showFormError = function(elem, result) {
+    var message =  result.data['message'] || result.data['error_description'] || '';
+    if (message) {
+      uiService.showPopover(elem, message);
+    } else {
+      uiService.hidePopover(elem);
+    }
+  };
+
+  return uiService;
+}]);