diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods/write.rb')
-rw-r--r-- | activerecord/lib/active_record/attribute_methods/write.rb | 80 |
1 files changed, 50 insertions, 30 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/write.rb b/activerecord/lib/active_record/attribute_methods/write.rb index cd33494cc3..b3c8209a74 100644 --- a/activerecord/lib/active_record/attribute_methods/write.rb +++ b/activerecord/lib/active_record/attribute_methods/write.rb @@ -1,6 +1,21 @@ +require 'active_support/core_ext/module/method_transplanting' + module ActiveRecord module AttributeMethods module Write + WriterMethodCache = Class.new(AttributeMethodCache) { + private + + def method_body(method_name, const_name) + <<-EOMETHOD + def #{method_name}(value) + name = ::ActiveRecord::AttributeMethods::AttrNames::ATTR_#{const_name} + write_attribute(name, value) + end + EOMETHOD + end + }.new + extend ActiveSupport::Concern included do @@ -10,17 +25,27 @@ module ActiveRecord module ClassMethods protected - # See define_method_attribute in read.rb for an explanation of - # this code. - def define_method_attribute=(name) - safe_name = name.unpack('h*').first - generated_attribute_methods.module_eval <<-STR, __FILE__, __LINE__ + 1 - def __temp__#{safe_name}=(value) - write_attribute(AttrNames::ATTR_#{safe_name}, value) - end - alias_method #{(name + '=').inspect}, :__temp__#{safe_name}= - undef_method :__temp__#{safe_name}= - STR + if Module.methods_transplantable? + def define_method_attribute=(name) + method = WriterMethodCache[name] + generated_attribute_methods.module_eval { + define_method "#{name}=", method + } + end + else + def define_method_attribute=(name) + safe_name = name.unpack('h*').first + ActiveRecord::AttributeMethods::AttrNames.set_name_cache safe_name, name + + generated_attribute_methods.module_eval <<-STR, __FILE__, __LINE__ + 1 + def __temp__#{safe_name}=(value) + name = ::ActiveRecord::AttributeMethods::AttrNames::ATTR_#{safe_name} + write_attribute(name, value) + end + alias_method #{(name + '=').inspect}, :__temp__#{safe_name}= + undef_method :__temp__#{safe_name}= + STR + end end end @@ -28,24 +53,12 @@ module ActiveRecord # specified +value+. Empty strings for fixnum and float columns are # turned into +nil+. def write_attribute(attr_name, value) - attr_name = attr_name.to_s - attr_name = self.class.primary_key if attr_name == 'id' && self.class.primary_key - @attributes_cache.delete(attr_name) - column = column_for_attribute(attr_name) - - # If we're dealing with a binary column, write the data to the cache - # so we don't attempt to typecast multiple times. - if column && column.binary? - @attributes_cache[attr_name] = value - end + write_attribute_with_type_cast(attr_name, value, true) + end - if column || @attributes.has_key?(attr_name) - @attributes[attr_name] = type_cast_attribute_for_write(column, value) - else - raise ActiveModel::MissingAttributeError, "can't write unknown attribute `#{attr_name}'" - end + def raw_write_attribute(attr_name, value) + write_attribute_with_type_cast(attr_name, value, false) end - alias_method :raw_write_attribute, :write_attribute private # Handle *= for method_missing. @@ -53,10 +66,17 @@ module ActiveRecord write_attribute(attribute_name, value) end - def type_cast_attribute_for_write(column, value) - return value unless column + def write_attribute_with_type_cast(attr_name, value, should_type_cast) + attr_name = attr_name.to_s + attr_name = self.class.primary_key if attr_name == 'id' && self.class.primary_key + + if should_type_cast + @attributes.write_from_user(attr_name, value) + else + @attributes.write_from_database(attr_name, value) + end - column.type_cast_for_write value + value end end end |