tweaks to javascript error logging, refs #4487

Change-Id: I065a9c637456d3bffef083c16ca4a0d1be75ec8d
Reviewed-on: https://gerrit.instructure.com/3600
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: Zach Wily <zach@instructure.com>

Author: codekitchen

app/controllers/info_controller.rb

@@ -106,9 +106,10 @@ def record_error
   end
 
   def record_js_error
-    params[:error] ||= {}
-    params[:error][:category] = 'javascript'
-    record_error
+    error = params[:error]
+    error[:backtrace] = error[:url]
+    ErrorReport.log_error('javascript', error)
+    render :nothing => true
   end
 
   def health_check

public/javascripts/ajax_errors.js

@@ -27,6 +27,7 @@ INST.log_error = function(params) {
   var txt = "?";
   params.url = params.url || location.href;
   params.platform = params.platform || navigator.platform;
+  params.action = params.action || location.href;
   params.user_name = username;
   for(var idx in params) {
     txt = txt + 'error[' + idx + "]=" + escape(params[idx]) + "&";