Fix #15 - when deleting a feed from a layer, just delete the relationship

app/controllers/feeds_controller.rb

@@ -91,15 +91,15 @@ class FeedsController < ApplicationController
 
   # DELETE /feeds/1
   # DELETE /feeds/1.json
-  def destroy
-    @feed = Feed.find(params[:id])
-    @feed.destroy
-
-    respond_to do |format|
-      format.html { redirect_to feeds_url, notice: 'Feed deleted OK' }
-      format.json { head :no_content }
-    end
-  end
+  # def destroy
+  #   @feed = Feed.find(params[:id])
+  #   @feed.destroy
+  #
+  #   respond_to do |format|
+  #     format.html { redirect_to feeds_url, notice: 'Feed deleted OK' }
+  #     format.json { head :no_content }
+  #   end
+  # end
   
   def fetch
     @feed = Feed.find(params[:id])

app/controllers/layers_controller.rb

@@ -84,4 +84,14 @@ class LayersController < ApplicationController
       format.json { head :no_content }
     end
   end
+
+  # DELETE /layers/1/delete_feed
+  # This only deletes the relation between the layer and the feed. The feed (and its posts) are retained.
+  # Currently there's no way for the user to actually delete a feed completely.
+  def delete_feed
+    @layer = Layer.find(params[:id])
+    @feed = Feed.find(params[:feed_id])
+    @layer.feeds.delete(@feed)
+    redirect_to @layer, notice: "Deleted feed #{@feed.title} from this layer"
+  end
 end

app/views/layers/show.html.haml

@@ -38,7 +38,7 @@
           = (time_ago_in_words(f.last_fetched) + " ago").gsub(/ +/, " ").html_safe
       %td= link_to "Fetch", fetch_feed_url(f), :class => "button"
       %td= link_to 'Edit', edit_feed_path(f), :class => "button"
-      %td= link_to 'Delete', f, :confirm => "Delete #{f.title} and all its posts?", :method => :delete, :class => "button"
+      %td= link_to 'Delete', delete_feed_layer_path(:feed_id => f.id), :confirm => "Delete #{f.title} from this layer?", :method => :delete, :class => "button"
 
   %tr
     %td

config/routes.rb

@@ -2,7 +2,12 @@ Apollo::Application.routes.draw do
   get "logout" => "sessions#destroy", :as => "logout"
   get "login" => "sessions#new", :as => "login"
 
-  resources :layers
+  resources :layers do
+    member do
+      delete "delete_feed"
+    end
+  end
+
   resources :users
   resources :sessions
   resources :password_resets