module Napa::GrapeExtenders

Public Class Methods

extended(modified_class) click to toggle source
# 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