72 lines
1.7 KiB
Ruby
72 lines
1.7 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
module View
|
|
module Presenter
|
|
CannotOverrideMethodError = Class.new(StandardError)
|
|
|
|
module Base
|
|
extend ActiveSupport::Concern
|
|
|
|
include Gitlab::Routing
|
|
include Gitlab::Allowable
|
|
|
|
# Presenters should always access the subject through an explicit getter defined with
|
|
# `presents ..., as:`, the `__subject__` method is only intended for internal use.
|
|
def __subject__
|
|
@subject
|
|
end
|
|
|
|
def can?(user, action, overridden_subject = nil)
|
|
super(user, action, overridden_subject || __subject__)
|
|
end
|
|
|
|
# delegate all #can? queries to the subject
|
|
def declarative_policy_delegate
|
|
__subject__
|
|
end
|
|
|
|
def present(**attributes)
|
|
self
|
|
end
|
|
|
|
def url_builder
|
|
Gitlab::UrlBuilder.instance
|
|
end
|
|
|
|
def is_a?(type)
|
|
super || __subject__.is_a?(type)
|
|
end
|
|
|
|
def web_url
|
|
url_builder.build(__subject__)
|
|
end
|
|
|
|
def web_path
|
|
url_builder.build(__subject__, only_path: true)
|
|
end
|
|
|
|
class_methods do
|
|
def presenter?
|
|
true
|
|
end
|
|
|
|
def presents(*target_classes, as: nil)
|
|
if target_classes.any? { |k| k.is_a?(Symbol) }
|
|
raise ArgumentError, "Unsupported target class type: #{target_classes}."
|
|
end
|
|
|
|
if self < ::Gitlab::View::Presenter::Delegated
|
|
target_classes.each { |k| delegator_target(k) }
|
|
elsif self < ::Gitlab::View::Presenter::Simple
|
|
# no-op
|
|
end
|
|
|
|
define_method(as) { __subject__ } if as
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|