wip multi orders

app/models/ordergroup_invoice.rb

@@ -0,0 +1,60 @@
+class OrdergroupInvoice < ApplicationRecord
+  include InvoiceHelper
+
+  belongs_to :multi_group_order, optional: true
+
+  has_many :group_orders, dependent: :nullify
+  validates_presence_of :invoice_number
+  validates_uniqueness_of :invoice_number
+  validate :tax_number_set
+  after_initialize :init, unless: :persisted?
+
+  def init
+    self.invoice_date = Time.now unless invoice_date
+    self.invoice_number = generate_invoice_number(self, 1) unless self.invoice_number
+    self.payment_method = group_orders.first&.financial_transaction&.financial_transaction_type&.name || FoodsoftConfig[:group_order_invoices]&.[](:payment_method) || I18n.t('activerecord.attributes.group_order_invoice.payment_method') unless self.payment_method
+  end
+
+  def ordergroup
+    return if group_orders.empty?
+
+    group_orders.first.ordergroup
+  end
+
+  def tax_number_set
+    return if FoodsoftConfig[:contact][:tax_number].present?
+
+    errors.add(:cumulative_invoice, "Keine Steuernummer in FoodsoftConfig :contact gesetzt")
+  end
+
+  def name
+    I18n.t('activerecord.attributes.group_order_invoice.name') + "_#{invoice_number}"
+  end
+
+  def load_data_for_invoice
+    invoice_data = {}
+    order = group_orders.map(&:order).first
+    invoice_data[:pickup] = order.pickup
+    invoice_data[:supplier] = order.supplier&.name
+    invoice_data[:ordergroup] = group_orders.first.ordergroup
+    invoice_data[:group_order_ids] = group_orders.pluck(:id)
+    invoice_data[:invoice_number] = invoice_number
+    invoice_data[:invoice_date] = invoice_date
+    invoice_data[:tax_number] = FoodsoftConfig[:contact][:tax_number]
+    invoice_data[:payment_method] = payment_method
+    invoice_data[:order_articles] = {}
+    group_orders.map(&:order_articles).flatten.each do |order_article|
+      # Get the result of last time ordering, if possible
+      # goa = group_orders.group_order_articles.detect { |tmp_goa| tmp_goa.order_article_id == order_article.id }
+      goa = group_orders.map(&:group_order_articles).flatten.detect { |tmp_goa| tmp_goa.order_article_id == order_article.id }
+      # Build hash with relevant data
+      invoice_data[:order_articles][order_article.id] = {
+        :price => order_article.article.fc_price,
+        :quantity => (goa ? goa.quantity : 0),
+        :total_price => (goa ? goa.total_price : 0),
+        :tax => order_article.article.tax
+      }
+    end
+    invoice_data
+  end
+end