Allow moving favorites for already deleted post

app/controllers/moderator/post/posts_controller.rb

@@ -1,7 +1,7 @@
 module Moderator
   module Post
     class PostsController < ApplicationController
-      before_filter :moderator_only, :only => [:delete, :undelete, :ban, :unban, :confirm_delete, :confirm_ban]
+      before_filter :moderator_only, :only => [:delete, :undelete, :move_favorites, :ban, :unban, :confirm_delete, :confirm_move_favorites, :confirm_ban]
       before_filter :admin_only, :only => [:expunge]
       rescue_from ::PostFlag::Error, :with => :rescue_exception
 
@@ -23,6 +23,18 @@ module Moderator
         @post.undelete!
       end
 
+      def confirm_move_favorites
+        @post = ::Post.find(params[:id])
+      end
+
+      def move_favorites
+        @post = ::Post.find(params[:id])
+        if params[:commit] == "Submit"
+          @post.give_favorites_to_parent
+        end
+        redirect_to(post_path(@post))
+      end
+
       def expunge
         @post = ::Post.find(params[:id])
         @post.expunge!

app/views/moderator/post/posts/confirm_move_favorites.html.erb

@@ -0,0 +1,12 @@
+<h1>Move Favorites to Parent</h1>
+
+<div>
+  <%= PostPresenter.preview(@post, :tags => "status:any") %>
+</div>
+
+<p style="clear: both;">This will move all the post's favorites to its parent post. Are you sure?</p>
+
+<%= form_tag(move_favorites_moderator_post_post_path, :style => "clear: both;", :class => "simple_form") do %>
+  <%= submit_tag "Submit" %>
+  <%= submit_tag "Cancel" %>
+<% end %>

app/views/posts/partials/show/_options.html.erb

@@ -31,6 +31,9 @@
     <% if CurrentUser.can_approve_posts? %>
       <% if post.is_deleted? %>
         <li><%= link_to "Undelete", undelete_moderator_post_post_path(:post_id => post.id), :remote => true, :method => :post, :id => "undelete" %></li>
+        <% if post.fav_count > 0 && post.parent_id %>
+          <li><%= link_to "Move favorites", confirm_move_favorites_moderator_post_post_path(:post_id => post.id) %></li>
+        <% end %>
       <% else %>
         <li><%= link_to "Delete", confirm_delete_moderator_post_post_path(:post_id => post.id) %></li>
       <% end %>

config/routes.rb

@@ -26,6 +26,8 @@ Rails.application.routes.draw do
           post :expunge
           post :delete
           post :undelete
+          get :confirm_move_favorites
+          post :move_favorites
           get :confirm_ban
           post :ban
           post :unban