Module: MongoMapper::Plugins::DynamicQuerying::ClassMethods

Included in:
Associations::InArrayProxy, Associations::ManyDocumentsProxy, Querying::Decorator
Defined in:
lib/mongo_mapper/plugins/dynamic_querying.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object (protected) 



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# File 'lib/mongo_mapper/plugins/dynamic_querying.rb', line 31

def method_missing(method, *args, &block)
  finder = DynamicFinder.new(method)

  if finder.found?
    dynamic_find(finder, args)
  else
    super
  end
end

Instance Method Details

#dynamic_find(finder, args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/dynamic_querying.rb', line 8

def dynamic_find(finder, args)
  attributes = {}

  finder.attributes.each_with_index do |attr, index|
    attributes[attr] = args[index]
  end

  options = args.extract_options!.merge(attributes)

  if result = send(finder.finder, options)
    result
  else
    if finder.raise?
      raise DocumentNotFound, "Couldn't find Document with #{attributes.inspect} in collection named #{collection.name}"
    end

    if finder.instantiator
      self.send(finder.instantiator, attributes)
    end
  end
end