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Versions: 9
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Contents
module ActiveData
module Model
module Attributes
class Attribute < Base
delegate :defaultizer, :enumerizer, :normalizers, to: :reflection
def write(value)
return if readonly?
pollute do
write_value value
end
end
def read
variable_cache(:value) do
normalize(enumerize(typecast(read_before_type_cast)))
end
end
def read_before_type_cast
variable_cache(:value_before_type_cast) do
defaultize(@value_cache)
end
end
def default
defaultizer.is_a?(Proc) ? evaluate(&defaultizer) : defaultizer
end
def defaultize(value, default_value = nil)
!defaultizer.nil? && value.nil? ? default_value || default : value
end
def enum
source = enumerizer.is_a?(Proc) ? evaluate(&enumerizer) : enumerizer
case source
when Range
source.to_a
when Set
source
else
Array.wrap(source)
end.to_set
end
def enumerize(value)
set = enum if enumerizer
value if !set || (set.none? || set.include?(value))
end
def normalize(value)
if normalizers.none?
value
else
normalizers.inject(value) do |val, normalizer|
case normalizer
when Proc
evaluate(val, &normalizer)
when Hash
normalizer.inject(val) do |v, (name, options)|
ActiveData.normalizer(name).call(v, options, self)
end
else
ActiveData.normalizer(normalizer).call(val, {}, self)
end
end
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems