1 files changed, 20 insertions, 0 deletions
diff --git a/data/assets/js/util.js b/data/assets/js/util.js
index 3abaabe..cde0f25 100644
--- a/data/assets/js/util.js
+++ b/data/assets/js/util.js
@@ -27,6 +27,26 @@ jQuery(function($) {
     });
   };
 
+  window.gripe = function(r, action) {
+    // get error
+    var error = r.responseText;
+
+    // handle json response
+    try {
+      var data = $.parseJSON(r.responseText);
+      if (data.error)
+        error = data.error;
+    } catch (e) {}
+
+    // build prefix
+    var prefix = 'Error: ';
+    if  (action)
+      prefix += " Couldn't " + action + ": ";
+
+    // display error message
+    alert(prefix + error);
+  }
+
   LuigiTemplate.FILTERS.json = function(val) {
     return JSON.stringify(val);
   };