Class: Dase::Preloader

Inherits:
ActiveRecord::Associations::Preloader
  • Object
show all
Defined in:
lib/dase/preloader.rb

Defined Under Namespace

Classes: HasAndBelongsToMany, HasMany, HasManyThrough

Instance Method Summary collapse

Instance Method Details

#preloader_for(reflection) ⇒ Object

an overloaded version of ActiveRecord::Associations::Preloader’s preloader_for which returns a class of a custom preloader for a given association



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# File 'lib/dase/preloader.rb', line 30

def preloader_for(reflection)
  case reflection.macro
    when :has_many
      if reflection.options[:through]
        HasManyThrough
        #raise NotImplementedError, "The support for HasManyThrough associations is not implemented yet"
      else
        HasMany
      end
    when :has_one, :belongs_to
      raise ArgumentError, "You can't use includes_count_of with a #{reflection.macro} association"
    when :has_and_belongs_to_many
      HasAndBelongsToMany
  end
end