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Contents
require 'miasma'
module Miasma
module Types
# Base data container
class ThinModel < Data
class << self
# Get/Set fat model
#
# @param klass [Class] fat model class
# @return [Class] fat model class
def model(klass=nil)
if(klass)
unless(klass.ancestors.include?(Miasma::Types::Model))
raise TypeError.new "Expecting `Miasma::Types::Model` subclass! (got #{klass})"
else
self._model = klass
end
end
self._model
end
protected
# @return [Class] fat model class
attr_accessor :_model
end
# @return [Miasma::Types::Api] service API
attr_reader :api
# Build new instance
#
# @param api [Miasma::Types::Api] service API
# @param args [Hash] model data
def initialize(api, args={})
@api = api
super args
end
# @return [FalseClass]
# @note thin models are always false
def persisted?
false
end
# Associated model class
#
# @return [Class] of type Miasma::Types::Model
# @note will deconstruct namespace and rebuild using provider
def model
if(self.class.model)
self.class.model
else
raise NotImplementedError.new "No associated model for this thin model type (#{self.class})"
end
end
# Build fat model instance
#
# @return [Miasma::Types::Model]
def expand
inst = model.new(api)
inst.data[:id] = self.id
inst.reload
end
alias_method :instance, :expand
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems