[FIX] grap_qweb_report : make xlsx purchase working if there are many supplierinfo for the same products

grap_qweb_report/models/__init__.py

@@ -7,3 +7,4 @@
 from . import purchase_order
 from . import sale_order_line
 from . import stock_picking
+from . import product_product

grap_qweb_report/models/product_product.py

@@ -0,0 +1,33 @@
+# Copyright (C) 2018 - Today: GRAP (http://www.grap.coop)
+# @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+import re
+
+from odoo import models
+
+
+class ProductProduct(models.Model):
+    _inherit = "product.product"
+
+    def _get_supplierinfo_from_purchase_order_line(self, order_line):
+        self.ensure_one()
+        supplierinfos = order_line.product_id.seller_ids.filtered(
+            lambda x: x.name == order_line.order_id.partner_id
+            and (not x.product_id or x.product_id == order_line.product_id)
+        )
+        if len(supplierinfos) <= 1:
+            return supplierinfos
+        # Try to guess supplierinfo, from the code set in the order line name
+        regex_result = re.search(r"\[(\w+)\].*", order_line.name).groups()
+        if len(regex_result) == 1:
+            product_code = regex_result[0]
+            supplierinfos = supplierinfos.filtered(
+                lambda x: x.product_code == product_code
+            )
+            if len(supplierinfos) <= 1:
+                return supplierinfos
+
+        # The code has not been found or there is many supplierinfo with the same code
+        # Fallback and return the first supplierinfo
+        return supplierinfos.sorted(key=lambda x: x.min_qty)[0]

grap_qweb_report/report/report_purchase_order_xlsx.py

@@ -30,11 +30,10 @@ def generate_xlsx_report(self, workbook, data, orders):
 
     def _get_columns_spec(self, order_lines):
         supplierinfo_render = (
-            "order_line.product_id.seller_ids.filtered("
-            "lambda x: x.name == order_line.order_id.partner_id "
-            " and (not x.product_id or x.product_id == order_line.product_id))"
-            ".sorted(key=lambda x: x.min_qty)"
+            "order_line.product_id"
+            "._get_supplierinfo_from_purchase_order_line(order_line)"
         )
+
         res = [
             {
                 "name": "product_code",