Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: v3.0.7.rc1
65 lines (59 sloc) 2.831 kb
module ActiveRecord
module AttributeMethods
module TimeZoneConversion
extend ActiveSupport::Concern
included do
cattr_accessor :time_zone_aware_attributes, :instance_writer => false
self.time_zone_aware_attributes = false
class_inheritable_accessor :skip_time_zone_conversion_for_attributes, :instance_writer => false
self.skip_time_zone_conversion_for_attributes = []
end
module ClassMethods
protected
# Defined for all +datetime+ and +timestamp+ attributes when +time_zone_aware_attributes+ are enabled.
# This enhanced read method automatically converts the UTC time stored in the database to the time
# zone stored in Time.zone.
def define_method_attribute(attr_name)
if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
method_body, line = <<-EOV, __LINE__ + 1
def _#{attr_name}(reload = false)
cached = @attributes_cache['#{attr_name}']
return cached if cached && !reload
time = _read_attribute('#{attr_name}')
@attributes_cache['#{attr_name}'] = time.acts_like?(:time) ? time.in_time_zone : time
end
alias #{attr_name} _#{attr_name}
EOV
generated_attribute_methods.module_eval(method_body, __FILE__, line)
else
super
end
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.
def define_method_attribute=(attr_name)
if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
method_body, line = <<-EOV, __LINE__ + 1
def #{attr_name}=(original_time)
time = original_time
unless time.acts_like?(:time)
time = time.is_a?(String) ? Time.zone.parse(time) : time.to_time rescue time
end
time = time.in_time_zone rescue nil if time
write_attribute(:#{attr_name}, original_time)
@attributes_cache["#{attr_name}"] = time
end
EOV
generated_attribute_methods.module_eval(method_body, __FILE__, line)
else
super
end
end
private
def create_time_zone_conversion_attribute?(name, column)
time_zone_aware_attributes && !skip_time_zone_conversion_for_attributes.include?(name.to_sym) && [:datetime, :timestamp].include?(column.type)
end
end
end
end
end
Jump to Line
Something went wrong with that request. Please try again.