Drafts system implemented

nonpacks/library/models.py

@@ -314,6 +314,7 @@ class TempUpload(models.Model):
     kind = models.CharField(max_length=16, choices=KIND_CHOICES, db_index=True)
     file = models.ForeignKey(FileIndex, on_delete=models.CASCADE, related_name='temp_upload')
     status = models.CharField(max_length=16, choices=STATUS_CHOICES, default='pending', db_index=True)
+    draft_uuid = models.UUIDField(null=True, blank=True, db_index=True)
     created_at = models.DateTimeField(auto_now_add=True)
 
     class Meta:
@@ -334,16 +335,24 @@ class TempUpload(models.Model):
 
 
 class ProjectDraft(models.Model):
-    """Autosaved 'create project' form state. One per user; no explicit
-    Save Draft button — every keystroke is persisted in real time."""
-    user = models.OneToOneField(
-        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='project_draft',
+    """Autosaved 'new project' form state. Many per user, each keyed by a UUID;
+    there is no explicit Save Draft button — every keystroke is persisted."""
+    uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='project_drafts',
     )
     data = models.JSONField(default=dict, blank=True)
     updated_at = models.DateTimeField(auto_now=True)
 
+    class Meta:
+        ordering = ['-updated_at', '-pk']
+
     def __str__(self):
-        return f'Draft for {self.user.username}'
+        return f'Draft {self.uuid} for {self.user.username}'
+
+    @property
+    def title(self):
+        return self.data.get('title') or 'Untitled draft'
 
 
 class Rating(models.Model):