Module: Panda::Associations::ClassMethods

Defined in:
lib/panda/modules/associations.rb

Instance Method Summary collapse

Instance Method Details

#has_many(relation_name) ⇒ Object 



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# File 'lib/panda/modules/associations.rb', line 25

def has_many(relation_name)
  # for example creates : @encodings ||= EncodingScope.new(self)

  define_method relation_name do
    model_name = "#{relation_name.to_s[0..-2].capitalize}"
    if instance_var = instance_variable_get("@#{relation_name}")
      instance_var
    else
      @associations ||= []
      @associations << relation_name
      instance_variable_set("@#{relation_name}",
        Panda::const_get("#{model_name}Scope").new(self))
    end
  end
end

#has_one(relation_name) ⇒ Object Also known as: belongs_to 



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# File 'lib/panda/modules/associations.rb', line 9

def has_one(relation_name)
  # for example creates : @video ||= VideoScope.new(self)

  define_method relation_name do
    param_id = "#{relation_name}_id"
    if instance_var = instance_variable_get("@#{relation_name}")
      instance_var
    else
      @associations ||= []
      @associations << relation_name
      instance_variable_set("@#{relation_name}",
        Panda::const_get(relation_name.to_s.capitalize).find(send(param_id.to_sym)))
    end
  end
end