debian-mirror-gitlab/app/models/application_record.rb
2021-08-04 16:29:09 +05:30

97 lines
2.2 KiB
Ruby

# frozen_string_literal: true
class ApplicationRecord < ActiveRecord::Base
self.abstract_class = true
alias_method :reset, :reload
def self.without_order
reorder(nil)
end
def self.id_in(ids)
where(id: ids)
end
def self.primary_key_in(values)
where(primary_key => values)
end
def self.iid_in(iids)
where(iid: iids)
end
def self.id_not_in(ids)
where.not(id: ids)
end
def self.pluck_primary_key
where(nil).pluck(self.primary_key)
end
def self.safe_ensure_unique(retries: 0)
transaction(requires_new: true) do
yield
end
rescue ActiveRecord::RecordNotUnique
if retries > 0
retries -= 1
retry
end
false
end
def self.safe_find_or_create_by!(*args, &block)
safe_find_or_create_by(*args, &block).tap do |record|
raise ActiveRecord::RecordNotFound unless record.present?
record.validate! unless record.persisted?
end
end
# Start a new transaction with a shorter-than-usual statement timeout. This is
# currently one third of the default 15-second timeout
def self.with_fast_read_statement_timeout(timeout_ms = 5000)
transaction(requires_new: true) do
connection.exec_query("SET LOCAL statement_timeout = #{timeout_ms}")
yield
end
end
def self.safe_find_or_create_by(*args, &block)
safe_ensure_unique(retries: 1) do
find_or_create_by(*args, &block)
end
end
def create_or_load_association(association_name)
association(association_name).create unless association(association_name).loaded?
rescue ActiveRecord::RecordNotUnique, PG::UniqueViolation
association(association_name).reader
end
def self.underscore
Gitlab::SafeRequestStore.fetch("model:#{self}:underscore") { self.to_s.underscore }
end
def self.where_exists(query)
where('EXISTS (?)', query.select(1))
end
def self.declarative_enum(enum_mod)
values = enum_mod.definition.transform_values { |v| v[:value] }
enum(enum_mod.key => values)
end
def readable_by?(user)
Ability.allowed?(user, "read_#{to_ability_name}".to_sym, self)
end
def to_ability_name
model_name.element
end
end
ApplicationRecord.prepend_mod_with('ApplicationRecordHelpers')