Show warning on Queues page if a queue is paused, fixes #1672

Changes.md

@@ -1,6 +1,7 @@
 HEAD
 -----------
 
+- Show warning on the Queues page if a queue is paused [#1672]
 - Only activate the ActiveRecord middleware if ActiveRecord::Base is defined on boot. [#1666]
 - Add ability to disable jobs going to the DJQ with the `dead` option.
 ```ruby

lib/sidekiq/api.rb

@@ -132,6 +132,11 @@ module Sidekiq
       Sidekiq.redis { |con| con.llen(@rname) }
     end
 
+    # Sidekiq Pro overrides this
+    def paused?
+      false
+    end
+
     def latency
       entry = Sidekiq.redis do |conn|
         conn.lrange(@rname, -1, -1)

lib/sidekiq/web.rb

@@ -51,6 +51,7 @@ module Sidekiq
       halt 404 unless params[:name]
       @count = (params[:count] || 25).to_i
       @name = params[:name]
+      @queue = Sidekiq::Queue.new(@name)
       (@current_page, @total_size, @messages) = page("queue:#{@name}", params[:page], @count)
       @messages = @messages.map {|msg| Sidekiq.load_json(msg) }
       erb :queue

web/locales/en.yml

@@ -66,3 +66,4 @@ en: # <---- change this to your locale code
   Thread: Thread
   Threads: Threads
   Jobs: Jobs
+  Paused: Paused

web/views/queue.erb

@@ -2,6 +2,9 @@
   <div class="col-sm-5">
     <h3>
       <%= t('CurrentMessagesInQueue', :queue => @name) %>
+      <% if @queue.paused? %>
+        <span class="label label-danger"><%= t('Paused') %></span>
+      <% end %>
     </h3>
   </div>
   <div class="col-sm-4 pull-right">

web/views/queues.erb

@@ -10,6 +10,9 @@
     <tr>
       <td>
         <a href="<%= root_path %>queues/<%= queue.name %>"><%= queue.name %></a>
+        <% if queue.paused? %>
+          <span class="label label-danger"><%= t('Paused') %></span>
+        <% end %>
       </td>
       <td><%= number_with_delimiter(queue.size) %> </td>
       <td width="20%">