Make affecting_vers and fixed_vers fields nullable

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/migrations/0102_alter_impactedpackage_affecting_vers_and_more.py

@@ -0,0 +1,38 @@
+# Generated by Django 4.2.22 on 2025-09-03 09:45
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("vulnerabilities", "0101_advisorytodov2_todorelatedadvisoryv2_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="impactedpackage",
+            name="affecting_vers",
+            field=models.TextField(
+                blank=True,
+                help_text="VersionRange expression for package vulnerable to this impact.",
+                null=True,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="impactedpackage",
+            name="base_purl",
+            field=models.CharField(
+                help_text="Version less PURL related to impacted range.", max_length=500
+            ),
+        ),
+        migrations.AlterField(
+            model_name="impactedpackage",
+            name="fixed_vers",
+            field=models.TextField(
+                blank=True,
+                help_text="VersionRange expression for packages fixing the vulnerable package in this impact.",
+                null=True,
+            ),
+        ),
+    ]

vulnerabilities/models.py

@@ -2927,17 +2927,19 @@ class ImpactedPackage(models.Model):
 
     base_purl = models.CharField(
         max_length=500,
-        blank=True,
+        blank=False,
         help_text="Version less PURL related to impacted range.",
     )
 
     affecting_vers = models.TextField(
         blank=True,
+        null=True,
         help_text="VersionRange expression for package vulnerable to this impact.",
     )
 
     fixed_vers = models.TextField(
         blank=True,
+        null=True,
         help_text="VersionRange expression for packages fixing the vulnerable package in this impact.",
     )
 

vulnerabilities/pipes/advisory.py

@@ -194,8 +194,12 @@ def insert_advisory_v2(
             impact = ImpactedPackage.objects.create(
                 advisory=advisory_obj,
                 base_purl=str(affected_pkg.package),
-                affecting_vers=str(affected_pkg.affected_version_range),
-                fixed_vers=str(affected_pkg.fixed_version_range),
+                affecting_vers=str(affected_pkg.affected_version_range)
+                if affected_pkg.affected_version_range
+                else None,
+                fixed_vers=str(affected_pkg.fixed_version_range)
+                if affected_pkg.fixed_version_range
+                else None,
             )
             package_affected_purls, package_fixed_purls = get_exact_purls_v2(
                 affected_package=affected_pkg,