author avatar is added to API and story content in API has been chang…

…ed to html format

README.rdoc

@@ -20,7 +20,7 @@ http://nerdnews.ir/
     The response would be a json arrays of stories which has the following fields:
       id:integer => ID of the story
       title:string => title of the story
-      content:text => content of the story
+      content:text => content of the story in html format
       total_point:integer => total point of the story
       hide:boolean => indicates that story must be hidden or not
       comments_count:integer => number of comments for the story
@@ -29,6 +29,7 @@ http://nerdnews.ir/
       negative_votes_count:integer => number of negative votes for the story
       published_at:string => publish date of the story in Jalali Date
       author:string => author of the story
+      author_avatar:string => avatar of the author story
       reference_url:string => reference of the story that would be a link
       story_url:string => story url
       comments:array => array of comments for the story which has the following fields:

app/helpers/application_helper.rb

@@ -10,8 +10,12 @@ module ApplicationHelper
   # end
 
   def avatar_url(user, size = 20)
-    gravater_id = Digest::MD5.hexdigest(user.email.downcase)
-    "http://gravatar.com/avatar/#{gravater_id}.png?s=#{size}&d=mm"
+    if user
+      gravater_id = Digest::MD5.hexdigest(user.email.downcase)
+      "http://gravatar.com/avatar/#{gravater_id}.png?s=#{size}&d=mm"
+    else
+      image_url "nobody.png"
+    end
   end
 
   def to_jalali(date, options = {})
@@ -100,4 +104,12 @@ def determine_browser_and_os(ua = request.env["HTTP_USER_AGENT"])
          ua.include?('win') ? 'win' : nil
     "#{br}#{" " unless br.nil? or os.nil?}#{os}"
   end
+
+  def image_url(source)
+    abs_path = image_path(source)
+    unless abs_path =~ /^http/
+      abs_path = "#{request.protocol}#{request.host_with_port}#{abs_path}"
+    end
+   abs_path
+  end
 end

app/views/stories/show.json.rabl

@@ -3,7 +3,7 @@ attributes :id, :title, :total_point, :hide, :comments_count, :view_counter, :po
   :negative_votes_count
 
 node :content do |story|
-  RedCloth.new(story.content, [:filter_html, :filter_styles]).to_plain
+  RedCloth.new(story.content, [:filter_html, :filter_styles]).to_html
 end
 
 node :published_at do |story|
@@ -14,6 +14,10 @@ node :author do |story|
   user_name(story, true)
 end
 
+node :author_avatar do |story|
+  avatar_url story.user
+end
+
 node :reference_url do |story|
   story.source
 end