fixes #2453: Customize per page pagination limit for mod queue

app/controllers/moderator/post/queues_controller.rb

@@ -5,12 +5,22 @@ module Moderator
       before_filter :post_approvers_only
 
       def show
+        if params[:per_page]
+          session["mq_per_page"] = params[:per_page]
+        end
+
         ::Post.without_timeout do
-          @posts = ::Post.order("posts.id asc").pending_or_flagged.available_for_moderation(params[:hidden]).search(:tag_match => "#{params[:query]} status:any").paginate(params[:page], :limit => 25)
+          @posts = ::Post.order("posts.id asc").pending_or_flagged.available_for_moderation(params[:hidden]).search(:tag_match => "#{params[:query]} status:any").paginate(params[:page], :limit => per_page)
           @posts.each # hack to force rails to eager load
         end
         respond_with(@posts)
       end
+
+    protected
+
+      def per_page
+        session["mq_per_page"] || params[:per_page] || 25
+      end
     end
   end
 end

app/views/moderator/post/queues/show.html.erb

@@ -1,15 +1,16 @@
 <div id="c-moderator-post-queues">
   <div id="a-show">
-    <div id="search">
-      <%= form_tag(moderator_post_queue_path, :method => :get) do %>
-        <%= text_field_tag "query", params[:query], :size => 40 %>
-        <%= submit_tag "Search" %>
-      <% end %>
-    </div>
-
     <div>
       <h1>Moderation Queue</h1>
 
+      <div id="search">
+        <%= form_tag(moderator_post_queue_path, :method => :get) do %>
+          <%= text_field_tag "query", params[:query], :size => 40 %>
+          <%= select_tag "per_page", options_for_select(%w(25 50 100 200), session["mq_per_page"])%>
+          <%= submit_tag "Search" %>
+        <% end %>
+      </div>
+
       <div id="moderation-guideline">
         <h1>Deletion Guidelines</h1>
         <p>