Methods
Instance Protected methods
The enhanced read method automatically converts the UTC time stored in the database to the time zone stored in Time.zone.
# File activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb, line 21 21: def attribute_cast_code(attr_name) 22: column = columns_hash[attr_name] 23: 24: if create_time_zone_conversion_attribute?(attr_name, column) 25: typecast = "v = #{super}" 26: time_zone_conversion = "v.acts_like?(:time) ? v.in_time_zone : v" 27: 28: "((#{typecast}) && (#{time_zone_conversion}))" 29: else 30: super 31: end 32: end
Defined for all datetime and timestamp attributes when time_zone_aware_attributes are enabled. This enhanced write method will automatically convert the time passed to it to the zone stored in Time.zone.
# File activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb, line 36 36: def define_method_attribute=(attr_name) 37: if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name]) 38: method_body, line = "def \#{attr_name}=(original_time)\ntime = original_time\nunless time.acts_like?(:time)\ntime = time.is_a?(String) ? Time.zone.parse(time) : time.to_time rescue time\nend\ntime = time.in_time_zone rescue nil if time\nchanged = read_attribute(:\#{attr_name}) != time\nwrite_attribute(:\#{attr_name}, original_time)\n\#{attr_name}_will_change! if changed\n@attributes_cache[\"\#{attr_name}\"] = time\nend\n", __LINE__ + 1 39: generated_attribute_methods.module_eval(method_body, __FILE__, line) 40: else 41: super 42: end 43: end