Module: IB::Models::ModelProperties

Included in:
Model
Defined in:
lib/ib-ruby/models/model_properties.rb

Overview

Module adding prop macro

Instance Method Summary collapse

Instance Method Details

#define_property(names, body) ⇒ Object 



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# File 'lib/ib-ruby/models/model_properties.rb', line 14

def define_property names, body
  aliases = [names].flatten
  name = aliases.shift
  instance_eval do

    define_property_methods name, body

    aliases.each do |ali|
      alias_method "#{ali}", name
      alias_method "#{ali}=", "#{name}="
    end
  end
end

#define_property_methods(name, body = {}) ⇒ Object 



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# File 'lib/ib-ruby/models/model_properties.rb', line 28

def define_property_methods name, body={}
  #p name, body
  case body
    when '' # default getter and setter
      define_property_methods name
    when Proc # setter
      define_property_methods name, :set => body
    when Array # [setter, getter, validators]
      define_property_methods name,
                              :get => body[0],
                              :set => body[1],
                              :validate => body[2]
    when Hash # recursion ends HERE!
      define_method(name, &body[:get] || proc { self[name] })

      define_method("#{name}=", &body[:set] || proc { |value| self[name] = value })

      [body[:validate]].flatten.compact.each do |validator|
        case validator
          when Proc
            validates_each name, &validator
          when Hash
            validates name, validator
        end

      end
    else
      define_property_methods name, :set =>
          proc { |value| self[name] = value.send "to_#{body}" }
  end
end

#prop(*properties) ⇒ Object 



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# File 'lib/ib-ruby/models/model_properties.rb', line 7

def prop *properties
  prop_hash = properties.last.is_a?(Hash) ? properties.pop : {}

  properties.each { |names| define_property names, '' }
  prop_hash.each { |names, type| define_property names, type }
end