Module: MongoMapper::Finders Private

Included in:
Associations::InArrayProxy, Associations::ManyDocumentsProxy
Defined in:
lib/mongo_mapper/dynamic_finder.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/mongo_mapper/dynamic_finder.rb', line 26

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

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/mongo_mapper/dynamic_finder.rb', line 4

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 = find(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