[refs #265] Fix git push and delete branch partials and logic

app/models/activity_feed_observer.rb

@@ -68,17 +68,18 @@ class ActivityFeedObserver < ActiveRecord::Observer
       project = Project.find_by_name(record.repo)
 
       last_commits = project.git_repository.repo.log(branch_name, nil).first(3)
-      first_commiter = User.find_by_email(last_commits[0].author.email) if last_commits.size > 0
+      first_commiter = User.find_by_email(last_commits[0].author.email) unless last_commits.blank?
       last_commits = last_commits.collect do |commit| #:author => 'author'
         [commit.sha, commit.message]
       end
 
       if change_type == 'delete'
         kind = 'git_delete_branch_notification'
-        options = {:user_id => first_commiter.id, :user_name => first_commiter.name, :user_email => first_commiter.email, :project_id => project.id, :project_name => project.name, :branch_name => branch_name, :change_type => change_type}
+        options = {:project_id => project.id, :project_name => project.name, :branch_name => branch_name, :change_type => change_type}
       else
         kind = 'git_new_push_notification'
         options = {:project_id => project.id, :project_name => project.name, :last_commits => last_commits, :branch_name => branch_name, :change_type => change_type}
+        options.merge!({:user_id => first_commiter.id, :user_name => first_commiter.name, :user_email => first_commiter.email}) if first_commiter
       end
 
       project.owner_and_admin_ids.each do |recipient|

app/views/activity_feeds/partials/_git_delete_branch_notification.haml

@@ -1,10 +1,4 @@
 .top
-  .image
-    =# image_tag(gravatar_url(activity_feed.user.email, 30))
-  .text
-    %span.name
-      =# link_to activity_feed.user.uname, user_path(activity_feed.user.uname)
-    %br
   %span.date= activity_feed.created_at
   %br
   %span.subject Branch #{ branch_name } has been deleted

app/views/activity_feeds/partials/_git_new_push_notification.haml

@@ -1,4 +1,5 @@
-.top
+- if defined? user_email
+  .top
     .image
       = image_tag(gravatar_url(user_email, 30)) 
     .text
@@ -10,6 +11,12 @@
           %span.subject Branch #{ branch_name } has been #{ change_type }d
     .both
 .fulltext
+  - unless defined? user_email
+    %span.date= activity_feed.created_at
+    %br
+    Branch #{ branch_name } has been #{ change_type }d
+    %br
+    %br
   Into project #{ link_to(project_name, project_path(project_id)) }
   %br
   %br