feat: restore registry procurement collection

tests/apps/parsers/test_checko_parsers.py

@@ -37,6 +37,58 @@ class CheckoClientParsingTest(SimpleTestCase):
             data["\u0417\u0430\u043f\u0438\u0441\u0438"][0]["\u041e\u0413\u0420\u041d"],
         )
 
+    def test_parse_company_maps_russian_unfair_supplier_records(self):
+        data = _map_ru_keys(
+            {
+                "ОГРН": "1027700000001",
+                "ИНН": "7701000001",
+                "НаимСокр": "ООО ОПК",
+                "НедобПост": True,
+                "НедобПостЗап": [
+                    {
+                        "РеестрНомер": "RNP-1",
+                        "ДатаПуб": "2026-07-01",
+                        "ДатаУтв": "2026-06-30",
+                        "ЗаказНаимСокр": "Заказчик",
+                        "ЗаказНаимПолн": "Заказчик полный",
+                        "ЗаказИНН": "7702000002",
+                        "ЗаказКПП": "770201001",
+                        "ЗакупНомер": "PURCHASE-1",
+                        "ЗакупОпис": "Поставка оборудования",
+                        "ЦенаКонтр": 1500000,
+                    },
+                    {
+                        "РеестрНомер": "RNP-2",
+                        "ЗакупНомер": "PURCHASE-2",
+                    },
+                ],
+            }
+        )
+
+        company = self.client._parse_company_data(data)
+
+        self.assertEqual(len(company.unfair_supplier), 2)
+        record = company.unfair_supplier[0]
+        self.assertEqual(record.registry_number, "RNP-1")
+        self.assertEqual(record.customer_inn, "7702000002")
+        self.assertEqual(record.purchase_description, "Поставка оборудования")
+        self.assertEqual(record.contract_price, 1500000)
+        self.assertEqual(company.unfair_supplier[1].registry_number, "RNP-2")
+
+    def test_parse_company_handles_empty_unfair_supplier_records(self):
+        company = self.client._parse_company_data(
+            _map_ru_keys(
+                {
+                    "ОГРН": "1027700000001",
+                    "ИНН": "7701000001",
+                    "НедобПост": False,
+                    "НедобПостЗап": [],
+                }
+            )
+        )
+
+        self.assertEqual(company.unfair_supplier, ())
+
     def test_parse_okved_info_with_additional(self):
         info = self.client._parse_okved_info(
             {"code": "62.01", "name": "Development", "version": "2001"},