Fix models for V2 importers

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

…alter_advisoryseverity_value_and_more.py …_alter_advisoryreference_url_and_more.pyvulnerabilities/migrations/0106_alter_advisoryseverity_value_and_more.py renamed to vulnerabilities/migrations/0106_alter_advisoryreference_url_and_more.py vulnerabilities/migrations/0106_alter_advisoryseverity_value_and_more.py renamed to vulnerabilities/migrations/0106_alter_advisoryreference_url_and_more.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.25 on 2025-12-18 14:37
+# Generated by Django 4.2.25 on 2025-12-19 08:31
 
 from django.db import migrations, models
 
@@ -10,13 +10,33 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
+        migrations.AlterField(
+            model_name="advisoryreference",
+            name="url",
+            field=models.URLField(help_text="URL to the vulnerability reference", max_length=1024),
+        ),
         migrations.AlterField(
             model_name="advisoryseverity",
             name="value",
             field=models.CharField(
                 help_text="Example: 9.0, Important, High", max_length=50, null=True
             ),
         ),
+        migrations.AlterField(
+            model_name="advisoryweakness",
+            name="cwe_id",
+            field=models.IntegerField(help_text="CWE id", unique=True),
+        ),
+        migrations.AlterUniqueTogether(
+            name="advisoryreference",
+            unique_together={("url", "reference_type")},
+        ),
+        migrations.AlterUniqueTogether(
+            name="advisoryseverity",
+            unique_together={
+                ("url", "scoring_system", "value", "scoring_elements", "published_at")
+            },
+        ),
         migrations.AddConstraint(
             model_name="advisoryseverity",
             constraint=models.CheckConstraint(

vulnerabilities/models.py

@@ -2592,6 +2592,7 @@ class AdvisorySeverity(models.Model):
     class Meta:
         verbose_name_plural = "Advisory severities"
         ordering = ["url", "scoring_system", "value"]
+        unique_together = ("url", "scoring_system", "value", "scoring_elements", "published_at")
         constraints = [
             models.CheckConstraint(
                 check=(
@@ -2622,7 +2623,7 @@ class AdvisoryWeakness(models.Model):
     A weakness is a software weakness that is associated with a vulnerability.
     """
 
-    cwe_id = models.IntegerField(help_text="CWE id")
+    cwe_id = models.IntegerField(help_text="CWE id", unique=True)
 
     cwe_by_id = {}
 
@@ -2669,7 +2670,6 @@ class AdvisoryReference(models.Model):
     url = models.URLField(
         max_length=1024,
         help_text="URL to the vulnerability reference",
-        unique=True,
     )
 
     ADVISORY = "advisory"
@@ -2699,6 +2699,7 @@ class AdvisoryReference(models.Model):
 
     class Meta:
         ordering = ["reference_id", "url", "reference_type"]
+        unique_together = ("url", "reference_type")
 
     def __str__(self):
         reference_id = f" {self.reference_id}" if self.reference_id else ""