Sha256: 0c9d8be9258ace97e33acc0abebf5acc475022b3944d697e22d1d5a7325e25eb
Contents?: true
Size: 985 Bytes
Versions: 4
Compression:
Stored size: 985 Bytes
Contents
# Provides a method to setup a field on a model.
module FieldHelpers
class InvalidFieldClass < RuntimeError ; end
module ClassMethods
# field lets you declare your fields instead of using the underscore syntax.
# An optional class restriction can be passed in.
def field(name, klass=nil)
if klass && ![String, Numeric].include?(klass)
raise FieldHelpers::InvalidFieldClass, "valid field types is currently limited to String or Numeric"
end
define_method(name) do
read_attribute(name)
end
define_method(:"#{name}=") do |val|
# Check if the value assigned matches the class restriction
if klass
# Cast to the right type
if klass == String
val = val.to_s
elsif klass == Numeric
val = val.to_f
end
end
assign_attribute(name, val)
end
end
end
def self.included(base)
base.send :extend, ClassMethods
end
end
Version data entries
4 entries across 4 versions & 1 rubygems