Make advisory content id unique

- make the url field non-empty and non-nullable

Signed-off-by: Keshav Priyadarshi <[email protected]>

Author: keshav-space

vulnerabilities/migrations/0091_alter_advisory_unique_together_and_more.py

@@ -0,0 +1,31 @@
+# Generated by Django 4.2.17 on 2025-04-04 16:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("vulnerabilities", "0090_migrate_advisory_aliases"),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name="advisory",
+            unique_together=set(),
+        ),
+        migrations.AlterField(
+            model_name="advisory",
+            name="unique_content_id",
+            field=models.CharField(
+                help_text="A 64 character unique identifier for the content of the advisory since we use sha256 as hex",
+                max_length=64,
+                unique=True,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="advisory",
+            name="url",
+            field=models.URLField(help_text="Link to the advisory on the upstream website"),
+        ),
+    ]

vulnerabilities/models.py

@@ -1321,6 +1321,7 @@ class Advisory(models.Model):
         max_length=64,
         blank=False,
         null=False,
+        unique=True,
         help_text="A 64 character unique identifier for the content of the advisory since we use sha256 as hex",
     )
     aliases = models.ManyToManyField(
@@ -1355,14 +1356,14 @@ class Advisory(models.Model):
         "vulnerabilities.pipeline.nginx_importer.NginxImporterPipeline",
     )
     url = models.URLField(
-        blank=True,
+        blank=False,
+        null=False,
         help_text="Link to the advisory on the upstream website",
     )
 
     objects = AdvisoryQuerySet.as_manager()
 
     class Meta:
-        unique_together = ["unique_content_id", "date_published", "url"]
         ordering = ["date_published", "unique_content_id"]
 
     def save(self, *args, **kwargs):