purchase_stock_usability: add product_supplier_code in tree view of stock.move and stock.move.line

purchase_usability: improve computation of product_supplier_code on purchase order line

purchase_stock_usability/models/stock_move_line.py

@@ -0,0 +1,33 @@
+# Copyright 2023 Akretion France (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class StockMoveLine(models.Model):
+    _inherit = 'stock.move.line'
+
+    # for optional display in tree view
+    product_supplier_code = fields.Char(
+        compute='_compute_product_supplier_code', string="Vendor Product Code")
+
+    def _compute_product_supplier_code(self):
+        pso = self.env['product.supplierinfo']
+        for mline in self:
+            code = False
+            move = mline.move_id
+            if move and move.purchase_line_id and move.purchase_line_id.order_id:
+                po = move.purchase_line_id.order_id
+                partner_id = po.partner_id.commercial_partner_id.id
+                if partner_id:
+                    sinfo = pso.search_read([
+                        ('product_code', '!=', False),
+                        ('partner_id', '=', partner_id),
+                        ('company_id', 'in', (False, mline.company_id.id)),
+                        ('product_id', 'in', (False, mline.product_id.id)),
+                        ], ['product_code'], limit=1, order='product_id')
+                    # if I order by product_id, I get the null values at the end
+                    if sinfo:
+                        code = sinfo[0]['product_code']
+            mline.product_supplier_code = code