Module: Napa::GrapeExtenders

Defined in:
lib/napa/grape_extensions/grape_extenders.rb

Class Method Summary collapse

Class Method Details

.extended(modified_class) ⇒ Object 



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# File 'lib/napa/grape_extensions/grape_extenders.rb', line 4

def self.extended(modified_class)
  # when extended, set the exceptions to handle

  # if AR is being used, rescue from common AR errors
  if defined?(::ActiveRecord)
    modified_class.rescue_from ::ActiveRecord::RecordNotFound do
      err = Napa::JsonError.new(:record_not_found, 'record not found')
      Rails.logger.debug({ status: 404, headers: {}, response: err.try(:first) }.map { |k, v| "#{k}=#{v}" }.join(' '))
      rack_response(err.to_json, 404)
    end
    modified_class.rescue_from ::ActiveRecord::RecordInvalid do |e|
      err = Napa::JsonError.new(:unprocessable_entity, e.message, e.record.errors.messages)
      Rails.logger.debug({ status: 422, headers: {}, response: err.try(:first) }.map { |k, v| "#{k}=#{v}" }.join(' '))
      rack_response(err.to_json, 422)
    end
  end

  # if AASM is being used, rescue from invalid transitions
  if defined?(::AASM)
    modified_class.rescue_from ::AASM::InvalidTransition do |e|
      err = Napa::JsonError.new(:unprocessable_entity, e.message)
      Rails.logger.debug({ status: 422, headers: {}, response: err.try(:first) }.map { |k, v| "#{k}=#{v}" }.join(' '))
      rack_response(err.to_json, 422)
    end
  end
end