Module: FinderFilter

Defined in:
lib/finder_filter.rb

Instance Method Summary collapse

Instance Method Details

#finder_filter(*args) ⇒ Object 



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# File 'lib/finder_filter.rb', line 2

def finder_filter(*args)
  options = args.extract_options!
  name = args.empty? ? controller_name.singularize : args.first
  by = options.delete(:by)
  param = options.delete(:param) || :id
  prepend = options.delete(:prepend) || false
  
  send(prepend ? :prepend_before_filter : :before_filter, :"find_#{name}", options)
  
  define_method "find_#{name}" do
    klass = name.to_s.classify.constantize
    item = by ? klass.send("find_by_#{by}", params[param]) : klass.find(params[param])
    instance_variable_set("@#{name}", item)
  end
end