add outlet code to file name

wizard/pos_export_bc_wizard.py

@@ -181,9 +181,17 @@ class PosExportBcWizard(models.TransientModel):
         workbook.close()
         output.seek(0)
         
+        company = self.env.company
+        company_ident = (company.company_registry or company.name or '').upper().replace(' ', '')
+        company_ident = company_ident[:14] # Limit to ensure total name is <= 40 characters
+        
+        start_str = self.start_date.strftime('%y%m%d')
+        end_str = self.end_date.strftime('%y%m%d')
+        file_name = f"POS_{company_ident}_{start_str}_to_{end_str}.xlsx"
+
         # Save as an ir.attachment and return action to download
         attachment = self.env['ir.attachment'].create({
-            'name': f"POS_BC_{self.start_date}_to_{self.end_date}.xlsx",
+            'name': file_name,
             'type': 'binary',
             'datas': base64.b64encode(output.read()),
             'mimetype': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'