System Hooks: move callback to observer

app/models/users_project.rb

@@ -11,9 +11,6 @@ class UsersProject < ActiveRecord::Base
 
   after_save :update_repository
   after_destroy :update_repository
-  after_create :add_to_team_hooks
-  after_destroy :remove_from_team_hooks
-
 
   validates_uniqueness_of :user_id, :scope => [:project_id]
   validates_presence_of :user_id
@@ -21,31 +18,6 @@ class UsersProject < ActiveRecord::Base
 
   delegate :name, :email, :to => :user, :prefix => true
 
-  def add_to_team_hooks
-    SystemHook.all_hooks_fire({
-      event_name: "user_add_to_team",
-      project_name: self.project.name,
-      project_path: self.project.path,
-      project_id: self.project_id,
-      user_name: self.user.name,
-      user_email: self.user.email,
-      project_access: self.repo_access_human,
-      created_at: self.created_at
-    })
-  end
-  
-  def remove_from_team_hooks
-    SystemHook.all_hooks_fire({
-      event_name: "user_remove_from_team",
-      project_name: self.project.name,
-      project_path: self.project.path,
-      project_id: self.project_id,
-      user_name: self.user.name,
-      user_email: self.user.email,
-      project_access: self.repo_access_human
-    })
-  end
-
   def self.bulk_import(project, user_ids, project_access)
     UsersProject.transaction do
       user_ids.each do |user_id|