From 7e4ea5f4a2fd25e06820689688e3db5a4851f8e0 Mon Sep 17 00:00:00 2001
From: Darragh Curran <darragh@peelmeagrape.net>
Date: Wed, 25 Jun 2008 11:15:26 +0100
Subject: Allow overriding id for feed and entry with atom_feed_builder. [#485
 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>
---
 .../lib/action_view/helpers/atom_feed_helper.rb    | 24 ++++++++++++----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'actionpack/lib/action_view')

diff --git a/actionpack/lib/action_view/helpers/atom_feed_helper.rb b/actionpack/lib/action_view/helpers/atom_feed_helper.rb
index ebb1cb34bc..e65d5d1f60 100644
--- a/actionpack/lib/action_view/helpers/atom_feed_helper.rb
+++ b/actionpack/lib/action_view/helpers/atom_feed_helper.rb
@@ -17,7 +17,7 @@ module ActionView
       #       # GET /posts.atom
       #       def index
       #         @posts = Post.find(:all)
-      #         
+      #
       #         respond_to do |format|
       #           format.html
       #           format.atom
@@ -29,12 +29,12 @@ module ActionView
       #     atom_feed do |feed|
       #       feed.title("My great blog!")
       #       feed.updated((@posts.first.created_at))
-      #     
+      #
       #       for post in @posts
       #         feed.entry(post) do |entry|
       #           entry.title(post.title)
       #           entry.content(post.body, :type => 'html')
-      #     
+      #
       #           entry.author do |author|
       #             author.name("DHH")
       #           end
@@ -47,8 +47,9 @@ module ActionView
       # * <tt>:language</tt>: Defaults to "en-US".
       # * <tt>:root_url</tt>: The HTML alternative that this feed is doubling for. Defaults to / on the current host.
       # * <tt>:url</tt>: The URL for this feed. Defaults to the current URL.
-      # * <tt>:schema_date</tt>: The date at which the tag scheme for the feed was first used. A good default is the year you 
-      #   created the feed. See http://feedvalidator.org/docs/error/InvalidTAG.html for more information. If not specified, 
+      # * <tt>:id</tt>: The id for this feed. Defaults to "tag:#{request.host},#{options[:schema_date]}:#{request.request_uri.split(".")[0]}"
+      # * <tt>:schema_date</tt>: The date at which the tag scheme for the feed was first used. A good default is the year you
+      #   created the feed. See http://feedvalidator.org/docs/error/InvalidTAG.html for more information. If not specified,
       #   2005 is used (as an "I don't care" value).
       #
       # Other namespaces can be added to the root element:
@@ -81,7 +82,7 @@ module ActionView
         else
           options[:schema_date] = "2005" # The Atom spec copyright date
         end
-        
+
         xml = options[:xml] || eval("xml", block.binding)
         xml.instruct!
 
@@ -89,10 +90,10 @@ module ActionView
         feed_opts.merge!(options).reject!{|k,v| !k.to_s.match(/^xml/)}
 
         xml.feed(feed_opts) do
-          xml.id("tag:#{request.host},#{options[:schema_date]}:#{request.request_uri.split(".")[0]}")      
+          xml.id(options[:id] || "tag:#{request.host},#{options[:schema_date]}:#{request.request_uri.split(".")[0]}")
           xml.link(:rel => 'alternate', :type => 'text/html', :href => options[:root_url] || (request.protocol + request.host_with_port))
           xml.link(:rel => 'self', :type => 'application/atom+xml', :href => options[:url] || request.url)
-          
+
           yield AtomFeedBuilder.new(xml, self, options)
         end
       end
@@ -102,7 +103,7 @@ module ActionView
         def initialize(xml, view, feed_options = {})
           @xml, @view, @feed_options = xml, view, feed_options
         end
-        
+
         # Accepts a Date or Time object and inserts it in the proper format. If nil is passed, current time in UTC is used.
         def updated(date_or_time = nil)
           @xml.updated((date_or_time || Time.now.utc).xmlschema)
@@ -115,9 +116,10 @@ module ActionView
         # * <tt>:published</tt>: Time first published. Defaults to the created_at attribute on the record if one such exists.
         # * <tt>:updated</tt>: Time of update. Defaults to the updated_at attribute on the record if one such exists.
         # * <tt>:url</tt>: The URL for this entry. Defaults to the polymorphic_url for the record.
+        # * <tt>:id</tt>: The ID for this entry. Defaults to "tag:#{@view.request.host},#{@feed_options[:schema_date]}:#{record.class}/#{record.id}"
         def entry(record, options = {})
-          @xml.entry do 
-            @xml.id("tag:#{@view.request.host},#{@feed_options[:schema_date]}:#{record.class}/#{record.id}")
+          @xml.entry do
+            @xml.id(options[:id] || "tag:#{@view.request.host},#{@feed_options[:schema_date]}:#{record.class}/#{record.id}")
 
             if options[:published] || (record.respond_to?(:created_at) && record.created_at)
               @xml.published((options[:published] || record.created_at).xmlschema)
-- 
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