class SharedSupplier < ActiveRecord::Base

  # connect to database from sharedLists-Application
  SharedSupplier.establish_connection(FoodsoftConfig[:shared_lists])
  # set correct table_name in external DB
  self.table_name = 'suppliers'

  has_many :suppliers
  has_many :shared_articles, :foreign_key => :supplier_id


  def find_article_by_number(order_number)
    # note that `shared_articles` uses number instead order_number
    cached_articles.detect { |a| a.number == order_number }
  end

  def cached_articles
    @cached_articles ||= shared_articles.all
  end

  # These set of attributes are used to autofill attributes of new supplier,
  # when created by import from shared supplier feature.
  def autofill_attributes
    whitelist = %w(name address phone fax email url delivery_days note)
    attributes.select { |k,_v| whitelist.include?(k) }
  end

  # return list of synchronisation methods available for this supplier
  def shared_sync_methods
    methods = []
    methods += %w(all_available all_unavailable) if shared_articles.count < FoodsoftConfig[:shared_supplier_article_sync_limit]
    methods += %w(import) # perhaps, in the future: if shared_articles.count > 20
    methods
  end
end