Method: Dynamoid::Finders::ClassMethods#method_missing

Defined in:
lib/dynamoid/finders.rb

#method_missing(method, *args) ⇒ Dynamoid::Document|Array

Find using exciting method_missing finders attributes. Uses criteria chains under the hood to accomplish this neatness.

Examples:

find a user by a first name

User.find_by_first_name('Josh')

find all users by first and last name

User.find_all_by_first_name_and_last_name('Josh', 'Symonds')

Returns:

  • (Dynamoid::Document|Array) —

    the found object, or an array of found objects if all was somewhere in the method

Since:

  • 0.2.0



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# File 'lib/dynamoid/finders.rb', line 291

def method_missing(method, *args)
  # Cannot use Symbol#start_with? because it was introduced in Ruby 2.7, but we support Ruby >= 2.3
  if method.to_s.start_with?('find')
    Dynamoid.deprecator.warn("[Dynamoid] .#{method} is deprecated! Call .where instead of")

    finder = method.to_s.split('_by_').first
    attributes = method.to_s.split('_by_').last.split('_and_')

    chain = Dynamoid::Criteria::Chain.new(self)
    chain = chain.where({}.tap { |h| attributes.each_with_index { |attr, index| h[attr.to_sym] = args[index] } })

    if finder.include?('all')
      chain.all
    else
      chain.first
    end
  else
    super
  end
end