class Supplier < ActiveRecord::Base acts_as_paranoid # Avoid deleting the supplier for consistency of order-results has_many :articles, :dependent => :destroy, :conditions => {:type => nil}, :include => [:article_category], :order => 'article_categories.name, articles.name' has_many :stock_articles, :include => [:article_category], :order => 'article_categories.name, articles.name' has_many :orders has_many :deliveries has_many :invoices belongs_to :shared_supplier # for the sharedLists-App attr_accessible :name, :address, :phone, :phone2, :fax, :email, :url, :contact_person, :customer_number, :delivery_days, :order_howto, :note, :shared_supplier_id, :min_order_quantity validates :name, :presence => true, :length => { :in => 4..30 } validates :phone, :presence => true, :length => { :in => 8..20 } validates :address, :presence => true, :length => { :in => 8..50 } validates_length_of :order_howto, :note, maximum: 250 validates_length_of :phone, :in => 8..20 validates_length_of :address, :in => 8..50 validate :uniqueness_of_name # sync all articles with the external database # returns an array with articles(and prices), which should be updated (to use in a form) # also returns an array with outlisted_articles, which should be deleted def sync_all updated_articles = Array.new outlisted_articles = Array.new for article in articles # try to find the associated shared_article shared_article = article.shared_article if shared_article # article will be updated unequal_attributes = article.shared_article_changed? unless unequal_attributes.blank? # skip if shared_article has not been changed # try to convert different units new_price, new_unit_quantity = article.convert_units if new_price and new_unit_quantity article.price = new_price article.unit_quantity = new_unit_quantity else article.price = shared_article.price article.unit_quantity = shared_article.unit_quantity article.unit = shared_article.unit end # update other attributes article.attributes = { :name => shared_article.name, :manufacturer => shared_article.manufacturer, :origin => shared_article.origin, :shared_updated_on => shared_article.updated_on, :tax => shared_article.tax, :deposit => shared_article.deposit, :note => shared_article.note } updated_articles << [article, unequal_attributes] end else # article isn't in external database anymore outlisted_articles << article end end return [updated_articles, outlisted_articles] end protected # Make sure, the name is uniq, add usefull message if uniq group is already deleted def uniqueness_of_name id = new_record? ? '' : self.id supplier = Supplier.with_deleted.where('suppliers.id != ? AND suppliers.name = ?', id, name).first if supplier.present? message = supplier.deleted? ? :taken_with_deleted : :taken errors.add :name, message end end end