Refactoring of hook functionality & bootsrap system hooks

app/models/project.rb

@@ -19,7 +19,7 @@ class Project < ActiveRecord::Base
   has_many :notes,          :dependent => :destroy
   has_many :snippets,       :dependent => :destroy
   has_many :deploy_keys,    :dependent => :destroy, :foreign_key => "project_id", :class_name => "Key"
-  has_many :web_hooks,      :dependent => :destroy
+  has_many :hooks,          :dependent => :destroy, :class_name => "ProjectHook"
   has_many :wikis,          :dependent => :destroy
   has_many :protected_branches, :dependent => :destroy
 

app/models/project_hook.rb

@@ -0,0 +1,3 @@
+class ProjectHook < WebHook
+  belongs_to :project
+end

app/models/system_hook.rb

@@ -0,0 +1,3 @@
+class SystemHook < WebHook
+
+end

app/models/web_hook.rb

@@ -4,8 +4,6 @@ class WebHook < ActiveRecord::Base
   # HTTParty timeout
   default_timeout 10
 
-  belongs_to :project
-
   validates :url,
             presence: true,
             format: {