Compute name of the product for stock move

So we can customize the product name to use the customer or supplier name.

Closes #12893

modules/purchase/stock.py

@@ -7,6 +7,7 @@ from trytond.model import ModelView, Workflow, fields
 from trytond.model.exceptions import AccessError
 from trytond.pool import Pool, PoolMeta
 from trytond.pyson import Eval
+from trytond.tools import cached_property
 from trytond.transaction import Transaction, without_check_access
 
 
@@ -186,6 +187,16 @@ class Move(metaclass=PoolMeta):
         if isinstance(self.origin, PurchaseLine):
             return self.origin.purchase.party.id
 
+    @cached_property
+    def product_name(self):
+        pool = Pool()
+        PurchaseLine = pool.get('purchase.line')
+        name = super().product_name
+        if (isinstance(self.origin, PurchaseLine)
+                and self.origin.product_supplier):
+            name = self.origin.product_supplier.rec_name
+        return name
+
     @fields.depends('origin')
     def on_change_with_product_uom_category(self, name=None):
         pool = Pool()

modules/sale_product_customer/__init__.py

@@ -3,7 +3,7 @@
 
 from trytond.pool import Pool
 
-from . import account, product, sale
+from . import account, product, sale, stock
 
 __all__ = ['register']
 
@@ -15,6 +15,7 @@ def register():
         product.ProductCustomer,
         sale.Line,
         account.InvoiceLine,
+        stock.Move,
         module='sale_product_customer', type_='model')
     Pool.register(
         sale.AmendmentLine,

modules/sale_product_customer/stock.py

@@ -0,0 +1,19 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.pool import Pool, PoolMeta
+from trytond.tools import cached_property
+
+
+class Move(metaclass=PoolMeta):
+    __name__ = 'stock.move'
+
+    @cached_property
+    def product_name(self):
+        pool = Pool()
+        SaleLine = pool.get('sale.line')
+        name = super().product_name
+        if (isinstance(self.origin, SaleLine)
+                and self.origin.product_customer):
+            name = self.origin.product_customer.rec_name
+        return name

modules/sale_product_customer/tryton.cfg

@@ -5,6 +5,7 @@ depends:
     ir
     product
     sale
+    stock
 extras_depend:
     sale_amendment
     sale_blanket_agreement

modules/stock/delivery_note.fodt

@@ -520,7 +520,7 @@
     </table:table-row>
     <table:table-row>
      <table:table-cell table:style-name="Table1.A3" office:value-type="string">
-      <text:p text:style-name="P13"><text:placeholder text:placeholder-type="text">&lt;move.product.rec_name&gt;</text:placeholder></text:p>
+      <text:p text:style-name="P13"><text:placeholder text:placeholder-type="text">&lt;move.product_name&gt;</text:placeholder></text:p>
      </table:table-cell>
      <table:table-cell table:style-name="Table1.B3" office:value-type="string">
       <text:p text:style-name="P12"><text:placeholder text:placeholder-type="text">&lt;format_number_symbol(move.quantity, shipment.delivery_address.party.lang, move.unit, digits=move.unit.digits)&gt;</text:placeholder></text:p>

modules/stock/move.py

@@ -19,7 +19,7 @@ from trytond.model.exceptions import AccessError
 from trytond.modules.product import price_digits, round_price
 from trytond.pool import Pool
 from trytond.pyson import Bool, Eval, If, TimeDelta
-from trytond.tools import grouped_slice, reduce_ids
+from trytond.tools import cached_property, grouped_slice, reduce_ids
 from trytond.transaction import Transaction, without_check_access
 
 from .exceptions import MoveFutureWarning, MoveOriginWarning
@@ -471,6 +471,10 @@ class Move(Workflow, ModelSQL, ModelView):
                     or self.unit.category != default_uom.category):
                 self.unit = default_uom
 
+    @cached_property
+    def product_name(self):
+        return self.product.rec_name if self.product else ''
+
     @fields.depends('product')
     def on_change_with_product_uom_category(self, name=None):
         return self.product.default_uom_category if self.product else None