From 1f1b0f278be73091763b9133db6660b504f63fac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?U=C4=A3is=20Ozols?= <ugis.ozolss@gmail.com>
Date: Tue, 31 Jul 2012 08:31:12 +0300
Subject: Move avatar_url method to posts helper because view stuff shouldn't
 be in the model.

---
 app/helpers/refinery/blog/posts_helper.rb       |  5 +++++
 app/models/refinery/blog/comment.rb             |  7 -------
 app/views/refinery/blog/posts/_comment.html.erb |  2 +-
 spec/helpers/refinery/blog/posts_helper_spec.rb | 12 ++++++++++++
 4 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/app/helpers/refinery/blog/posts_helper.rb b/app/helpers/refinery/blog/posts_helper.rb
index dfb742a..2daa5f6 100644
--- a/app/helpers/refinery/blog/posts_helper.rb
+++ b/app/helpers/refinery/blog/posts_helper.rb
@@ -28,6 +28,11 @@ module Refinery
         Refinery::Blog::Post.published_dates_older_than(cutoff)
       end
 
+      def avatar_url(email, options = {:size => 60})
+        require 'digest/md5'
+        "http://gravatar.com/avatar/#{Digest::MD5.hexdigest(email.to_s.strip.downcase)}?s=#{options[:size]}.jpg"
+      end
+
       class ArchiveWidget
         delegate :t, :link_to, :refinery, :render, :to => :view_context
         attr_reader :view_context
diff --git a/app/models/refinery/blog/comment.rb b/app/models/refinery/blog/comment.rb
index b57e16f..afd806f 100644
--- a/app/models/refinery/blog/comment.rb
+++ b/app/models/refinery/blog/comment.rb
@@ -33,13 +33,6 @@ module Refinery
 
       self.per_page = Refinery::Blog.comments_per_page
 
-      def avatar_url(options = {})
-        options = {:size => 60}
-        require 'digest/md5'
-        size = ("?s=#{options[:size]}" if options[:size])
-        "http://gravatar.com/avatar/#{Digest::MD5.hexdigest(self.email.to_s.strip.downcase)}#{size}.jpg"
-      end
-
       def approve!
         self.update_column(:state, 'approved')
       end
diff --git a/app/views/refinery/blog/posts/_comment.html.erb b/app/views/refinery/blog/posts/_comment.html.erb
index 659f433..2df0420 100644
--- a/app/views/refinery/blog/posts/_comment.html.erb
+++ b/app/views/refinery/blog/posts/_comment.html.erb
@@ -1,5 +1,5 @@
 <article class='blog_comment_message' id='<%= "comment-#{comment.to_param}" %>'>
-  <%= image_tag comment.avatar_url, :alt => comment.name, :class => 'avatar' %>
+  <%= image_tag avatar_url(comment.email), :alt => comment.name, :class => 'avatar' %>
   <%= simple_format auto_link(comment.message.to_s) %>
   <footer class='blog_comment_author'>
     <p>
diff --git a/spec/helpers/refinery/blog/posts_helper_spec.rb b/spec/helpers/refinery/blog/posts_helper_spec.rb
index b8c8911..7087bff 100644
--- a/spec/helpers/refinery/blog/posts_helper_spec.rb
+++ b/spec/helpers/refinery/blog/posts_helper_spec.rb
@@ -66,6 +66,18 @@ module Refinery
           end
         end
       end
+
+      describe "#avatar_url" do
+        let(:email) { "test@test.com" }
+
+        it "returns gravatar url" do
+          helper.avatar_url(email).should eq("http://gravatar.com/avatar/b642b4217b34b1e8d3bd915fc65c4452?s=60.jpg")
+        end
+
+        it "accepts options hash to change default size" do
+          helper.avatar_url(email, :size => 55).should eq("http://gravatar.com/avatar/b642b4217b34b1e8d3bd915fc65c4452?s=55.jpg")
+        end
+      end
     end
   end
 end
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