debian-mirror-gitlab/app/models/concerns/bulk_member_access_load.rb
2021-12-07 22:27:20 +05:30

61 lines
1.7 KiB
Ruby

# frozen_string_literal: true
# Returns and caches in thread max member access for a resource
#
module BulkMemberAccessLoad
extend ActiveSupport::Concern
included do
# Determine the maximum access level for a group of resources in bulk.
#
# Returns a Hash mapping resource ID -> maximum access level.
def max_member_access_for_resource_ids(resource_klass, resource_ids, &block)
raise 'Block is mandatory' unless block_given?
memoization_index = self.id
memoization_class = self.class
resource_ids = resource_ids.uniq
memo_id = "#{memoization_class}:#{memoization_index}"
access = load_access_hash(resource_klass, memo_id)
# Look up only the IDs we need
resource_ids -= access.keys
return access if resource_ids.empty?
resource_access = yield(resource_ids)
access.merge!(resource_access)
missing_resource_ids = resource_ids - resource_access.keys
missing_resource_ids.each do |resource_id|
access[resource_id] = Gitlab::Access::NO_ACCESS
end
access
end
def merge_value_to_request_store(resource_klass, resource_id, value)
max_member_access_for_resource_ids(resource_klass, [resource_id]) do
{ resource_id => value }
end
end
private
def max_member_access_for_resource_key(klass, memoization_index)
"max_member_access_for_#{klass.name.underscore.pluralize}:#{memoization_index}"
end
def load_access_hash(resource_klass, memo_id)
return {} unless Gitlab::SafeRequestStore.active?
key = max_member_access_for_resource_key(resource_klass, memo_id)
Gitlab::SafeRequestStore[key] ||= {}
Gitlab::SafeRequestStore[key]
end
end
end