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Contents
# frozen_string_literal: true
module ActiveRecord
module AttributeMethods
# = Active Record Attribute Methods \Write
module Write
extend ActiveSupport::Concern
included do
attribute_method_suffix "=", parameters: "value"
end
module ClassMethods # :nodoc:
private
def define_method_attribute=(name, owner:)
ActiveModel::AttributeMethods::AttrNames.define_attribute_accessor_method(
owner, name, writer: true,
) do |temp_method_name, attr_name_expr|
owner.define_cached_method("#{name}=", as: temp_method_name, namespace: :active_record) do |batch|
batch <<
"def #{temp_method_name}(value)" <<
" _write_attribute(#{attr_name_expr}, value)" <<
"end"
end
end
end
end
# Updates the attribute identified by +attr_name+ using the specified
# +value+. The attribute value will be type cast upon being read.
def write_attribute(attr_name, value)
name = attr_name.to_s
name = self.class.attribute_aliases[name] || name
name = @primary_key if name == "id" && @primary_key
@attributes.write_from_user(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, value)
end
alias :attribute= :_write_attribute
private :attribute=
end
end
end
Version data entries
15 entries across 15 versions & 4 rubygems