Module: SomehowHasRelation::ClassMethods

Defined in:
lib/somehow_has_relation.rb

Instance Method Summary collapse

Instance Method Details

#somehow_has(params = {}) ⇒ Object 



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# File 'lib/somehow_has_relation.rb', line 10

def somehow_has(params={})
  if class_variable_defined? :@@somehow_has_relation_options
    class_variable_set(:@@somehow_has_relation_options, class_variable_get(:@@somehow_has_relation_options) << params)
  else
    class_variable_set(:@@somehow_has_relation_options, [params])
  end

  somehow_has_relation_options = class_variable_get(:@@somehow_has_relation_options)
  times_defined = somehow_has_relation_options.count
  current_options = somehow_has_relation_options[times_defined-1]

  relation = current_options[:one] || current_options[:many]
  default_method_name = "related_#{relation}"

  related = current_options[:as] || default_method_name

  # Dynamic Instance Method related_%{relation_name}
  define_method(related) do
    found = somehow_found_or_recur relation, current_options[:if], current_options
    if current_options.has_key?(:one)
      found.flatten.compact.first rescue found
    elsif current_options.has_key?(:many)
      found.flatten.compact rescue []
    end
  end
end