[IMP] barcodes_gs1_nomenclature: add support to search with gs1

Provide a preprocess method to add support to search record with gs1
barcode.

Task-2648993

closes odoo/odoo#83462

Related: odoo/enterprise#23781
Signed-off-by: Steve Van Essche <svs@odoo.com>

addons/barcodes_gs1_nomenclature/models/barcode_nomenclature.py

@@ -124,3 +124,43 @@ class BarcodeNomenclature(models.Model):
         if self.is_gs1_nomenclature:
             return self.gs1_decompose_extanded(barcode)
         return super().parse_barcode(barcode)
+
+    @api.model
+    def _preprocess_gs1_search_args(self, args, barcode_types, field='barcode'):
+        """Helper method to preprocess 'args' in _search method to add support to
+        search with GS1 barcode result.
+        Cut off the padding if using GS1 and searching on barcode. If the barcode
+        is only digits to keep the original barcode part only.
+        """
+        nomenclature = self.env.company.nomenclature_id
+        if nomenclature.is_gs1_nomenclature:
+            for i, arg in enumerate(args):
+                if not isinstance(arg, (list, tuple)) or len(arg) != 3:
+                    continue
+                field_name, operator, value = arg
+                if field_name != field or operator not in ['ilike', 'not ilike', '=', '!=']:
+                    continue
+
+                parsed_data = []
+                try:
+                    parsed_data += nomenclature.parse_barcode(value) or []
+                except (ValidationError, ValueError):
+                    pass
+
+                replacing_operator = 'ilike' if operator in ['ilike', '='] else 'not ilike'
+                for data in parsed_data:
+                    data_type = data['rule'].type
+                    value = data['value']
+                    if data_type in barcode_types:
+                        match = re.match('0*([0-9]+)$', value)
+                        if match:
+                            unpadded_barcode = match.groups()[0]
+                            args[i] = (field_name, replacing_operator, unpadded_barcode)
+                        break
+
+                # The barcode isn't a valid GS1 barcode, checks if it can be unpadded.
+                if not parsed_data:
+                    match = re.match('0+([0-9]+)$', value)
+                    if match:
+                        args[i] = (field_name, replacing_operator, match.groups()[0])
+        return args