Fall 5402: CR1 - Händlerrabatt + intrastat_id fix

ext/custom-addons/dp_custom/models/account.py

@@ -25,14 +25,16 @@ from odoo.exceptions import UserError
 class AccountInvoiceLine(models.Model):
     _inherit = 'account.invoice.line'
 
-    intrastat_id = fields.Many2one(comodel_name='report.intrastat.code', string='Intrastat Code',
-                                   compute="_compute_intrastat_id", inverse='_inverse_intrastat_id')
+    intrastat_id = fields.Many2one(comodel_name='report.intrastat.code', string='Intrastat Code')
     lot_id = fields.Many2one(comodel_name='stock.production.lot', string='Lot')
     weight = fields.Float(string='Gewicht', compute='_compute_weight')
 
     @api.model
     def create(self, vals):
-        if vals.get('product_id', False) and not vals.get('intrastat_id', False):
+        if vals.get('intrastat_id', None) is None:
+            if vals.get('lot_id', False):
+                vals.update(intrastat_id=self.env['stock.production.lot'].browse(vals['lot_id']).intrastat_id.id)
+            elif vals.get('product_id', False):
                 vals.update(intrastat_id=self.env['product.template'].browse(vals['product_id']).intrastat_id.id)
         return super(AccountInvoiceLine, self).create(vals)
 
@@ -50,16 +52,15 @@ class AccountInvoiceLine(models.Model):
         for record in self:
             record.weight = record.lot_id.weight or record.product_id.weight
 
-    def _compute_intrastat_id(self):
-        for record in self:
-            record.intrastat_id = record.lot_id.intrastat_id.id or record.product_id.intrastat_id.id
-
-    def _inverse_intrastat_id(self):
-        for record in self:
-            if record.lot_id:
-                record.lot_id.intrastat_id = record.intrastat_id.id
-            else:
+    def write(self, vals):
+        res = super(AccountInvoiceLine, self).write(vals)
+        if vals.get('intrastat_id', False) and vals.get('lot_id', False):
+            self.env['stock.production.lot'].browse([vals.get('lot_id', False)]).write({
+                'intrastat_id': vals.get('intrastat_id')
+            })
+        elif vals.get('intrastat_id', False) and not vals.get('lot_id', False):
             raise UserError(_('Der Intrastrat Code kann nur gesetzt werden wenn ein Lot angegeben wurde.'))
+        return res
 
 
 class AccountPaymentTerm(models.Model):

ext/custom-addons/dp_custom/models/sale.py

@@ -397,3 +397,53 @@ class SaleOrderLine(models.Model):
 
         res['lot_id'] = self.lot_id.id
         return res
+
+    @api.multi
+    def invoice_line_create(self, invoice_id, qty):
+        """
+        Overwritten and added a logic to create an extra line for discounts from a retailer
+        :param invoice_id:
+        :param qty:
+        :return:
+        """
+        invoice_lines = self.env['account.invoice.line']
+        precision = self.env['decimal.precision'].precision_get('Product Unit of Measure')
+        for line in self:
+            if not float_is_zero(qty, precision_digits=precision):
+                vals = line._prepare_invoice_line(qty=qty)
+                vals.update({'invoice_id': invoice_id, 'sale_line_ids': [(6, 0, [line.id])]})
+                invoice_lines |= self.env['account.invoice.line'].create(vals)
+                if line.order_id.partner_invoice_id.retailer:
+                    discount = line.calc_discount()
+                    discount = int(round(discount))
+                    if discount > 0:
+                        vals.update({
+                            'price_unit': -invoice_lines.price_subtotal * (discount / 100),
+                            'uom_id': self.env.ref('product.product_uom_unit').id,
+                            'name': 'Händlerrabatt {}%'.format(discount),
+                            'intrastat_id': False
+                        })
+                        invoice_lines |= self.env['account.invoice.line'].create(vals)
+        return invoice_lines
+
+    @api.multi
+    def calc_discount(self):
+        discount = 0.0
+        context_partner = dict(self.env.context, partner_id=self.order_id.partner_id.id, date=self.order_id.date_order)
+        pricelist_context = dict(context_partner, uom=self.product_uom.id)
+
+        price, rule_id = self.order_id.pricelist_id.with_context(pricelist_context).get_product_price_rule(
+            self.product_id, self.product_uom_qty or 1.0, self.order_id.partner_id)
+        new_list_price, currency_id = self.with_context(context_partner)._get_real_price_currency(self.product_id,
+                                                                                                  rule_id,
+                                                                                                  self.product_uom_qty,
+                                                                                                  self.product_uom,
+                                                                                                  self.order_id.pricelist_id.id)
+
+        if new_list_price != 0:
+            if self.order_id.pricelist_id.currency_id.id != currency_id:
+                # we need new_list_price in the same currency as price, which is in the SO's pricelist's currency
+                new_list_price = self.env['res.currency'].browse(currency_id).with_context(context_partner).compute(
+                    new_list_price, self.order_id.pricelist_id.currency_id)
+            discount = (new_list_price - price) / new_list_price * 100
+        return discount