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# frozen_string_literal: true
module ActiveRecord
module AttributeMethods
module Write
extend ActiveSupport::Concern
included do
attribute_method_suffix "="
end
module ClassMethods # :nodoc:
private
def define_method_attribute=(name)
sync_with_transaction_state = "sync_with_transaction_state" if name == primary_key
ActiveModel::AttributeMethods::AttrNames.define_attribute_accessor_method(
generated_attribute_methods, name, writer: true,
) do |temp_method_name, attr_name_expr|
generated_attribute_methods.module_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{temp_method_name}(value)
name = #{attr_name_expr}
#{sync_with_transaction_state}
_write_attribute(name, value)
end
RUBY
end
end
end
# Updates the attribute identified by <tt>attr_name</tt> with the
# specified +value+. Empty strings for Integer and Float columns are
# turned into +nil+.
def write_attribute(attr_name, value)
name = attr_name.to_s
if self.class.attribute_alias?(name)
name = self.class.attribute_alias(name)
end
primary_key = self.class.primary_key
name = primary_key if name == "id" && primary_key
sync_with_transaction_state if name == primary_key
_write_attribute(name, value)
end
# This method exists to avoid the expensive primary_key check internally, without
# breaking compatibility with the write_attribute API
def _write_attribute(attr_name, value) # :nodoc:
@attributes.write_from_user(attr_name.to_s, value)
value
end
private
def write_attribute_without_type_cast(attr_name, value)
name = attr_name.to_s
@attributes.write_cast_value(name, value)
value
end
# Handle *= for method_missing.
def attribute=(attribute_name, value)
_write_attribute(attribute_name, value)
end
end
end
end
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