From 738682e4967a53a0c3e9c3a7a34ad5f4768200f7 Mon Sep 17 00:00:00 2001
From: Aleksandr Meshchriakov <avm@sh-inc.ru>
Date: Tue, 28 Apr 2026 23:17:32 +0200
Subject: [PATCH] fix(parsers): widen industrial product code fields

---
 .../0021_widen_industrial_product_codes.py    | 31 +++++++++++++++++++
 src/apps/parsers/models.py                    |  4 +--
 tests/apps/parsers/test_models.py             | 11 +++++++
 3 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100644 src/apps/parsers/migrations/0021_widen_industrial_product_codes.py

diff --git a/src/apps/parsers/migrations/0021_widen_industrial_product_codes.py b/src/apps/parsers/migrations/0021_widen_industrial_product_codes.py
new file mode 100644
index 0000000..99e94a5
--- /dev/null
+++ b/src/apps/parsers/migrations/0021_widen_industrial_product_codes.py
@@ -0,0 +1,31 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("parsers", "0020_merge_20260428_2300"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="industrialproductrecord",
+            name="okpd2_code",
+            field=models.CharField(
+                blank=True,
+                help_text="Код по ОКПД2",
+                max_length=255,
+                verbose_name="код ОКПД2",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="industrialproductrecord",
+            name="tnved_code",
+            field=models.CharField(
+                blank=True,
+                help_text="Код по ТН ВЭД",
+                max_length=255,
+                verbose_name="код ТН ВЭД",
+            ),
+        ),
+    ]
diff --git a/src/apps/parsers/models.py b/src/apps/parsers/models.py
index 71dba17..04d6111 100644
--- a/src/apps/parsers/models.py
+++ b/src/apps/parsers/models.py
@@ -318,13 +318,13 @@ class IndustrialProductRecord(TimestampMixin, models.Model):
     )
     okpd2_code = models.CharField(
         _("код ОКПД2"),
-        max_length=20,
+        max_length=255,
         blank=True,
         help_text=_("Код по ОКПД2"),
     )
     tnved_code = models.CharField(
         _("код ТН ВЭД"),
-        max_length=20,
+        max_length=255,
         blank=True,
         help_text=_("Код по ТН ВЭД"),
     )
diff --git a/tests/apps/parsers/test_models.py b/tests/apps/parsers/test_models.py
index 099a2b4..a266024 100644
--- a/tests/apps/parsers/test_models.py
+++ b/tests/apps/parsers/test_models.py
@@ -199,3 +199,14 @@ class IndustrialProductRecordModelTest(TestCase):
 
         self.assertIsNotNone(product.created_at)
         self.assertIsNotNone(product.updated_at)
+
+    def test_product_codes_allow_source_specific_long_values(self):
+        """Test source code fields accept official registry combined values."""
+        self.assertEqual(
+            IndustrialProductRecord._meta.get_field("okpd2_code").max_length,
+            255,
+        )
+        self.assertEqual(
+            IndustrialProductRecord._meta.get_field("tnved_code").max_length,
+            255,
+        )