Module: SimpleModel::Association::ClassMethods

Defined in:
lib/simplemodel/association.rb

Instance Method Summary collapse

Instance Method Details

#associations ⇒ Object 



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# File 'lib/simplemodel/association.rb', line 7

def associations
  @associations ||= {}
end

#many(to_model, options = {}) ⇒ Object 



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# File 'lib/simplemodel/association.rb', line 40

def many(to_model, options = {})
  to_model    = to_model.to_s
  class_name  = options[:class_name]  || to_model.classify
  name = to_model
  self.associations[to_model.to_s.to_sym] = {:class_name => class_name, :name => to_model}

  class_eval("    attr_reader :\#{to_model}\n\n    def \#{to_model}\n      @\#{to_model} ||= TypedArray.new(\#{class_name})\n    end#\n\n    def clear_\#{to_model}\n      @\#{to_model} = nil\n    end\n\n    def \#{to_model}=(array)\n      @\#{to_model} = TypedArray.new(\#{class_name})\n      array.each do |elt|\n        if elt.kind_of?(Hash)\n          instance = \#{class_name}.new(elt)\n        else\n          instance = elt\n        end\n        self.\#{to_model} << instance\n      end\n      return self.\#{to_model}\n    end\n\n    def add_\#{to_model}(*args)\n      @\#{to_model} = TypedArray.new(\#{class_name})\n      args.each do |attr|\n          instance = \#{class_name}.new(attr)\n          self.\#{to_model} << instance\n      end\n    end\n  EOS\nend\n", __FILE__, __LINE__ + 1)

#one(to_model, options = {}) ⇒ Object 



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# File 'lib/simplemodel/association.rb', line 11

def one(to_model, options = {})
  to_model    = to_model.to_s
  class_name  = options[:class_name]  || to_model.classify
  self.associations[to_model.to_s.to_sym] = {:class_name => class_name, :name => to_model}
  class_eval("    attr_reader :\#{to_model}\n\n    def \#{to_model}\n      @\#{to_model}\n    end#\n\n    def clear_\#{to_model}\n      @\#{to_model} = nil\n    end\n\n    def \#{to_model}=(elt)\n      if elt.kind_of?(Hash)\n        instance = \#{class_name}.new(elt)\n      elsif elt.instance_of?(\#{class_name}) || elt == nil\n        instance = elt\n      else\n        raise TypeError, \"Expected Hash of attributes or \#{class_name.name}\"\n      end\n      @\#{to_model} = instance\n    end\n\n  EOS\nend\n", __FILE__, __LINE__ + 1)