add link for migrating tag subscription to saved search

app/controllers/tag_subscriptions_controller.rb

@@ -61,6 +61,14 @@ class TagSubscriptionsController < ApplicationController
     @posts = @post_set.posts
   end
 
+  def migrate
+    @tag_subscription = TagSubscription.find(params[:id])
+    check_privilege(@tag_subscription)
+    @tag_subscription.migrate_to_saved_searches
+    flash[:notice] = "Tag subscription will be migrated to a saved search. Please wait a few minutes for the search to refresh."
+    redirect_to tag_subscriptions_path
+  end
+
 private
   def check_privilege(tag_subscription)
     raise User::PrivilegeError unless tag_subscription.editable_by?(CurrentUser.user)

app/models/tag_subscription.rb

@@ -16,6 +16,8 @@ class TagSubscription < ActiveRecord::Base
         :category => name
       )
     end
+    
+    destroy
   end
 
   def normalize_name

app/views/tag_subscriptions/index.html.erb

@@ -20,6 +20,7 @@
               <%= link_to "edit", edit_tag_subscription_path(tag_subscription) %>
               | <%= link_to "delete", tag_subscription_path(tag_subscription), :method => :delete, :data => {:confirm => "Are you sure you want to delete this subscription?"} %>
               | <%= link_to "posts", posts_path(:tags => "sub:#{tag_subscription.creator.name}:#{tag_subscription.name}"), :rel => "nofollow" %>
+              | <%= link_to "migrate", migrate_tag_subscription_path(tag_subscription), :method => :post %>
             </td>
           </tr>
         <% end %>

config/routes.rb

@@ -257,6 +257,7 @@ Rails.application.routes.draw do
   resource :tag_implication_request, :only => [:new, :create]
   resources :tag_subscriptions do
     member do
+      post :migrate
       get :posts
     end
   end