require_relative './data_import'
require_relative './visualization/external_source'

class ExternalDataImport < Sequel::Model
  many_to_one :data_import
  many_to_one :external_source, class: CartoDB::Visualization::ExternalSource

  def initialize(data_import_id, external_source_id, synchronization_id = nil)
    super({
        external_source_id: external_source_id,
        data_import_id: data_import_id,
        synchronization_id: synchronization_id
      })
  end

  def self.by_user_id(user_id)
    user_data_imports = DataImport.where(user_id: user_id)
    ExternalDataImport.where(data_import_id: user_data_imports.select(:id)).all
  end

  def synchronization
    CartoDB::Synchronization::Member.new(id: self.synchronization_id).fetch
  rescue KeyError
    nil
  end
end