app/controllers/feed_controller.rb

   1 class FeedController < ApplicationController
   2
   3   skip_before_filter :verify_authenticity_token
   4
   5   def index
   6     # @feeds = FeedItem.find(:all, :select => 'DISTINCT feed_name')
   7     @feeds = FeedItem.select(:feed_name).distinct
   8     respond_to do |format|
   9       format.html
  10       format.rss { render :layout => false }
  11     end
  12   end
  13
  14
  15   def show
  16     if FeedItem::valid_feed_name?(params[:feed_name])
  17       @feed_name = params[:feed_name]
  18       @feed_items = FeedItem.in_feed(@feed_name)
  19       respond_to do |format|
  20         if @feed_items == []
  21           flash[:notice] = "No items in feed #{@feed_name}"
  22           format.html { redirect_to index_path }
  23           format.rss  { render :layout => false }
  24         else
  25           format.html
  26           format.rss { render :layout => false }
  27         end
  28       end
  29     else
  30       respond_to do |format|
  31         flash[:notice] = "Invalid feed name"
  32         format.html { redirect_to index_path }
  33         format.rss  { head :not_found}
  34       end
  35     end
  36   end
  37
  38
  39   def update
  40     if FeedItem::valid_feed_name?(params[:feed_name])
  41       item = FeedItem.in_feed(params[:feed_name]).entitled(params[:title]).take
  42       if item
  43         if params[:description].empty?
  44           destroy_item(item)
  45         else
  46           update_item(item)
  47         end
  48       else
  49         create_item
  50       end
  51     else
  52       respond_to do |format|
  53         flash[:notice] = "Invalid feed name"
  54         format.html { redirect_to index_path }
  55         format.rss  { head :not_found }
  56       end
  57     end
  58   end
  59
  60
  61   private
  62
  63
  64   def create_item
  65     item = FeedItem.new(:feed_name => params[:feed_name],
  66       :title => params[:title],
  67       :description => params[:description])
  68     item.save!
  69     flash[:notice] = "Element #{params[:title]} created"
  70     respond_to do |format|
  71       format.html { redirect_to feed_path(params[:feed_name]) }
  72       format.rss  { head :ok }
  73     end
  74   rescue ActiveRecord::RecordInvalid => error
  75     flash[:notice] = "Element #{params[:title]} could not be created"
  76     respond_to do |format|
  77       format.html { redirect_to feed_path(params[:feed_name]) }
  78       format.rss  { head :unprocessable_entity }
  79     end
  80   end
  81
  82
  83   def update_item(item)
  84     if item.update_attribute(:description, params[:description])
  85       flash[:notice] = "Element #{params[:title]} updated"
  86       respond_to do |format|
  87         format.html { redirect_to feed_path(params[:feed_name]) }
  88         format.rss  { head :ok }
  89       end
  90     else
  91       flash[:notice] = "Element #{params[:title]} could not be updated"
  92       respond_to do |format|
  93         format.html { redirect_to feed_path(params[:feed_name]) }
  94         format.rss  { head :unprocessable_entity }
  95       end
  96     end
  97   end
  98
  99
 100   def destroy_item(item)
 101     if item.destroy
 102       flash[:notice] = "Element #{params[:title]} deleted"
 103       respond_to do |format|
 104         format.html { redirect_to feed_path(params[:feed_name]) }
 105         format.rss  { head :ok }
 106       end
 107     else
 108       flash[:notice] = "Element #{params[:title]} could not be deleted"
 109       respond_to do |format|
 110         format.html { redirect_to feed_path(params[:feed_name]) }
 111         format.rss  { head :unprocessable_entity }
 112       end
 113     end
 114   end
 115
 116 end