Make IssueObserver handle issus, not MailerObserver

app/models/issue.rb

@@ -68,6 +68,10 @@ class Issue < ActiveRecord::Base
   def is_being_closed?
     closed_changed? && closed
   end
+
+  def is_being_reopened?
+    closed_changed? && !closed
+  end
 end
 # == Schema Information
 #

app/models/issue_observer.rb

@@ -5,9 +5,10 @@ class IssueObserver < ActiveRecord::Observer
     Notify.new_issue_email(issue.id) if issue.assignee != current_user
   end
 
-  def after_change(issue)
+  def after_update(issue)
     send_reassigned_email(issue) if issue.is_being_reassigned?
     Note.create_status_change_note(issue, current_user, 'closed') if issue.is_being_closed?
+    Note.create_status_change_note(issue, current_user, 'reopened') if issue.is_being_reopened?
   end
 
   def send_reassigned_email(issue)

app/models/mailer_observer.rb

@@ -3,7 +3,6 @@ class MailerObserver < ActiveRecord::Observer
   cattr_accessor :current_user
 
   def after_create(model)
-    new_issue(model) if model.kind_of?(Issue)
     new_user(model) if model.kind_of?(User)
     new_note(model) if model.kind_of?(Note)
     new_merge_request(model) if model.kind_of?(MergeRequest)
@@ -11,17 +10,10 @@ class MailerObserver < ActiveRecord::Observer
 
   def after_update(model)
     changed_merge_request(model) if model.kind_of?(MergeRequest)
-    changed_issue(model) if model.kind_of?(Issue)
   end
 
   protected
 
-  def new_issue(issue)
-    if issue.assignee != current_user
-      Notify.new_issue_email(issue.id).deliver
-    end
-  end
-
   def new_user(user)
     Notify.new_user_email(user.id, user.password).deliver
   end
@@ -65,12 +57,8 @@ class MailerObserver < ActiveRecord::Observer
     status_notify_and_comment merge_request, :reassigned_merge_request_email
   end
 
-  def changed_issue(issue)
-    status_notify_and_comment issue, :reassigned_issue_email
-  end
-
   # This method used for Issues & Merge Requests
-  # 
+  #
   # It create a comment for Issue or MR if someone close/reopen.
   # It also notify via email if assignee was changed 
   #