Ensure decompilers are unique

explorer/migrations/0019_decompiler_unique_decompiler_info.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.2.19 on 2023-11-28 23:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('explorer', '0018_alter_decompilationrequest_decompiler'),
+    ]
+
+    operations = [
+        migrations.AddConstraint(
+            model_name='decompiler',
+            constraint=models.UniqueConstraint(fields=('name', 'version', 'revision', 'url'), name='unique_decompiler_info'),
+        ),
+    ]

explorer/models.py

@@ -44,7 +44,6 @@ def __str__(self):
         return f'Binary: {self.hash}'
 
 
-#TODO: unique constraint on name, version, revision, url
 class Decompiler(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     name = models.CharField(max_length=255)
@@ -55,6 +54,11 @@ class Decompiler(models.Model):
     featured = models.BooleanField('Featured on homepage', default=False)
     created = models.DateTimeField(default=timezone.now, editable=False)
 
+    class Meta:
+        constraints = [
+            UniqueConstraint(fields=['name', 'version', 'revision', 'url'], name='unique_decompiler_info')
+        ]
+
     def __str__(self):
         if len(self.revision) > 0:
             return f'Decompiler: {self.name} {self.version} {self.revision[:8]}'