Move post replacement create action to post replacements controller.

app/controllers/moderator/post/posts_controller.rb

@@ -1,7 +1,7 @@
 module Moderator
   module Post
     class PostsController < ApplicationController
-      before_filter :approver_only, :only => [:delete, :undelete, :move_favorites, :replace, :ban, :unban, :confirm_delete, :confirm_move_favorites, :confirm_ban]
+      before_filter :approver_only, :only => [:delete, :undelete, :move_favorites, :ban, :unban, :confirm_delete, :confirm_move_favorites, :confirm_ban]
       before_filter :admin_only, :only => [:expunge]
       skip_before_filter :api_check
 
@@ -37,15 +37,6 @@ module Moderator
         redirect_to(post_path(@post))
       end
 
-      def replace
-        @post = ::Post.find(params[:id])
-        @post.replace!(params[:post][:source])
-
-        respond_with(@post) do |format|
-          format.html { redirect_to(@post) }
-        end
-      end
-
       def expunge
         @post = ::Post.find(params[:id])
         @post.expunge!

app/controllers/post_replacements_controller.rb

@@ -2,10 +2,27 @@ class PostReplacementsController < ApplicationController
   respond_to :html, :xml, :json
   before_filter :approver_only, except: [:index]
 
+  def new
+    @post = Post.find(params[:post_id])
+  end
+
+  def create
+    @post = Post.find(params[:post_id])
+    @post_replacement = @post.replace!(create_params)
+
+    flash[:notice] = "Post replaced"
+    respond_with(@post_replacement, location: @post)
+  end
+
   def index
     params[:search][:post_id] = params.delete(:post_id) if params.has_key?(:post_id)
     @post_replacements = PostReplacement.search(params[:search]).paginate(params[:page], limit: params[:limit])
 
     respond_with(@post_replacements)
   end
+
+private
+  def create_params
+    params.require(:post_replacement).permit(:replacement_url)
+  end
 end