make self_link even more awesome

lib/api/decorators/single.rb

@@ -51,8 +51,9 @@ module API
                exec_context: :decorator,
                render_nil: false
 
-      def self.self_link(path, title_getter: -> (*) { represented.name })
+      def self.self_link(path: nil, title_getter: -> (*) { represented.name })
         link :self do
+          path = _type.underscore unless path
           link_object = { href: api_v3_paths.send(path, represented.id) }
           link_object[:title] = instance_eval(&title_getter)
 

lib/api/v3/priorities/priority_representer.rb

@@ -35,7 +35,7 @@ module API
     module Priorities
       class PriorityRepresenter < ::API::Decorators::Single
 
-        self_link :priority
+        self_link
 
         property :id, render_nil: true
         property :name

lib/api/v3/projects/project_representer.rb

@@ -35,7 +35,7 @@ module API
     module Projects
       class ProjectRepresenter < ::API::Decorators::Single
 
-        self_link :project
+        self_link
 
         link 'categories' do
           { href: api_v3_paths.categories(represented.id) }

lib/api/v3/statuses/status_representer.rb

@@ -32,7 +32,7 @@ module API
     module Statuses
       class StatusRepresenter < ::API::Decorators::Single
 
-        self_link :status
+        self_link
 
         property :id, render_nil: true
         property :name

lib/api/v3/users/user_representer.rb

@@ -36,7 +36,7 @@ module API
       class UserRepresenter < ::API::Decorators::Single
         include AvatarHelper
 
-        self_link :user
+        self_link
 
         link :lock do
           {

lib/api/v3/versions/version_representer.rb

@@ -35,7 +35,7 @@ module API
     module Versions
       class VersionRepresenter < ::API::Decorators::Single
 
-        self_link :version
+        self_link
 
         linked_property :definingProject,
                         path: :project,

lib/api/v3/work_packages/work_package_representer.rb

@@ -35,7 +35,7 @@ module API
     module WorkPackages
       class WorkPackageRepresenter < ::API::Decorators::Single
 
-        self_link :work_package, title_getter: -> (*) { represented.subject }
+        self_link title_getter: -> (*) { represented.subject }
 
         link :update do
           {