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# frozen_string_literal: true
module ProtectedRef
extend ActiveSupport::Concern
included do
belongs_to :project, touch: true
validates :name, presence: true
delegate :matching, :matches?, :wildcard?, to: :ref_matcher
scope :for_project, ->(project) { where(project: project) }
def allow_multiple?(type)
false
end
end
def commit
project.commit(self.name)
end
class_methods do
def protected_ref_access_levels(*types)
types.each do |type|
# We need to set `inverse_of` to make sure the `belongs_to`-object is set
# when creating children using `accepts_nested_attributes_for`.
#
# If we don't `protected_branch` or `protected_tag` would be empty and
# `project` cannot be delegated to it, which in turn would cause validations
# to fail.
has_many :"#{type}_access_levels", inverse_of: self.model_name.singular
validates :"#{type}_access_levels", length: { is: 1, message: "are restricted to a single instance per #{self.model_name.human}." }, unless: -> { allow_multiple?(type) }
accepts_nested_attributes_for :"#{type}_access_levels", allow_destroy: true
end
end
def protected_ref_accessible_to?(ref, user, project:, action:, protected_refs: nil)
access_levels_for_ref(ref, action: action, protected_refs: protected_refs).any? do |access_level|
access_level.check_access(user)
end
end
def developers_can?(action, ref, protected_refs: nil)
access_levels_for_ref(ref, action: action, protected_refs: protected_refs).any? do |access_level|
access_level.access_level == Gitlab::Access::DEVELOPER
end
end
def access_levels_for_ref(ref, action:, protected_refs: nil)
self.matching(ref, protected_refs: protected_refs)
.flat_map(&:"#{action}_access_levels")
end
# Returns all protected refs that match the given ref name.
# This checks all records from the scope built up so far, and does
# _not_ return a relation.
#
# This method optionally takes in a list of `protected_refs` to search
# through, to avoid calling out to the database.
def matching(ref_name, protected_refs: nil)
(protected_refs || self.all).select { |protected_ref| protected_ref.matches?(ref_name) }
end
end
private
def ref_matcher
@ref_matcher ||= RefMatcher.new(self.name)
end
end
# Prepending a module into a concern doesn't work very well for class methods,
# since these are defined in a ClassMethods constant. As such, we prepend the
# module directly into ProtectedRef::ClassMethods, instead of prepending it into
# ProtectedRef.
ProtectedRef::ClassMethods.prepend_mod_with('ProtectedRef')
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