Ajaxify retry and remove links in Failure queue. Prevent expensive page reloads when removing or retrying links.

Author: Tyler Knappe

app/controllers/resque_web/failures_controller.rb

@@ -12,7 +12,7 @@ def index
     # remove an individual job from the failure queue
     def destroy
       Resque::Failure.remove(params[:id])
-      redirect_to failures_path(redirect_params)
+      render json: {:success => true}, status: 200
     end
 
     # destroy all jobs from the failure queue

app/views/resque_web/failures/_failed_job.html.erb

@@ -1,4 +1,4 @@
-<li>
+<li class="failed-<%= id %>">
   <dl>
     <% if job.nil? %>
     <dt>Error</dt>
@@ -17,9 +17,9 @@
         </div>
       <% else %>
         <div class="controls">
-          <%= link_to "Retry", retry_failure_path(:queue=>failure_queue,:id=>id), :method => :put %>
+          <%= link_to "Retry", retry_failure_path(:queue=>failure_queue,:id=>id), :data => {'job-id' => id }, :method => :put, :class => 'retry' %>
           or
-          <%= link_to "Remove", failure_path(:queue=>failure_queue,:id=>id), :method => :delete %>
+          <%= link_to "Remove", failure_path(:queue=>failure_queue,:id=>id), :data => {'job-id' => id }, :method => :delete, :class => 'remove' %>
         </div>
       <% end %>
     </dd>

app/views/resque_web/failures/index.html.erb

@@ -3,7 +3,6 @@
 <% else %>
   <h1>Failed Jobs <%= "on '#{params[:queue]}'" if params[:queue] %> <%= "with class '#{params[:class]}'" if params[:class] %></h1>
 <% end %>
-
 <% unless failure_size.zero? %>
   <%= form_tag(destroy_all_failures_path(queue: params[:queue]), method: :delete) do %>
     <%= submit_tag "Clear #{failure_queue_name} Jobs", class: 'btn btn-danger', data: { confirm: "Are you sure you want to clear ALL #{failure_queue_name.downcase} jobs?" } %>
@@ -21,7 +20,6 @@
   <%= render partial: 'overview' %>
 <% else %>
   <p class="sub">Showing <%= failure_start_at %> to <%= failure_end_at %> of <b><%= failure_size %></b> jobs</p>
-
   <ul class="failed">
     <% each_failure do |id, job| %>
       <%= render partial: 'failed_job', locals: { id: id, job: job } %>
@@ -30,3 +28,45 @@
 
   <%= pagination(start: failure_start_at, total: failure_size) unless params[:class] %>
 <% end %>
+
+<script type="text/javascript">
+  $('.controls a').on('click', function(e) {
+    e.preventDefault();
+    e.stopImmediatePropagation();
+
+    var eventType = $(this).attr('class');
+    var method = '';
+    var queue = '<%= params[:queue] %>';
+
+    if (queue === '') {
+      queue = 'failure';
+    }
+
+    if (eventType) {
+      if (eventType == 'remove') {
+        method = 'DELETE';
+      } else {
+        method = 'PUT';
+      }
+
+      var url = $(this).attr('href');
+      var jobId = $(this).attr('data-job-id');
+
+      var container = $('.failed-' + jobId);
+      if (url) {
+        $.ajax({
+          url: url,
+          method: method,
+          data: {
+            id: jobId,
+            queue: queue
+          }
+        }).done(function(data) {
+          $(container).hide();
+        }).fail(function() {
+          console.log('failed to delete job: ' + jobId);
+        });
+      }
+    }
+  });
+</script>

test/functional/failures_controller_test.rb

@@ -19,7 +19,7 @@ class FailuresControllerTest < ActionController::TestCase
       it "deletes the failure" do
         Resque::Failure.expects(:remove).with('123')
         visit(:destroy, {:id => 123}, :method => :delete)
-        assert_redirected_to failures_path
+        assert_response(:success, '{success: true}')
       end
     end