class Doorkeeper::MigrationGenerator

def self.next_migration_number(dirname)
  ActiveRecord::Generators::Base.next_migration_number(dirname)
end

def install
  migration_template(
    'migration.rb.erb',
    'db/migrate/create_doorkeeper_tables.rb',
    migration_version: migration_version
  )
end

def migration_version
  if ActiveRecord::VERSION::MAJOR >= 5
    "[#{ActiveRecord::VERSION::MAJOR}.#{ActiveRecord::VERSION::MINOR}]"
  end
end