Add desktop note collections

core/models.py

@@ -35,7 +35,7 @@ def without_markdown_code(text):
 def delete_unused_tags(tags=None):
     """Delete tags that are no longer used by items or tag-based features."""
     candidates = Tag.objects.all() if tags is None else Tag.objects.filter(pk__in=[tag.pk for tag in tags])
-    candidates.filter(items__isnull=True, kanbans__isnull=True, api_keys__isnull=True).exclude(
+    candidates.filter(items__isnull=True, kanbans__isnull=True, api_keys__isnull=True, collections__isnull=True).exclude(
         name__in=Team.objects.values_list('slug', flat=True),
     ).delete()
 
@@ -195,6 +195,44 @@ class Kanban(models.Model):
         return self.name
 
 
+class Collection(models.Model):
+    owner = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='collections')
+    team = models.ForeignKey(Team, on_delete=models.SET_NULL, blank=True, null=True, related_name='collections')
+    title = models.CharField(max_length=200)
+    description = models.TextField(blank=True)
+    visibility = models.CharField(max_length=10, choices=Item.Visibility.choices, default=Item.Visibility.PRIVATE)
+    tags = models.ManyToManyField(Tag, blank=True, related_name='collections')
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['-updated_at']
+
+    def __str__(self):
+        return self.title
+
+    def get_absolute_url(self):
+        return reverse('collection_detail', args=[self.pk])
+
+
+class CollectionSection(models.Model):
+    collection = models.ForeignKey(Collection, on_delete=models.CASCADE, related_name='sections')
+    item = models.ForeignKey(Item, on_delete=models.PROTECT, related_name='collection_sections')
+    title = models.CharField(max_length=200, blank=True)
+    position = models.PositiveIntegerField(default=0)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        ordering = ['position', 'id']
+        constraints = [
+            models.UniqueConstraint(fields=['collection', 'item'], name='unique_collection_item'),
+            models.UniqueConstraint(fields=['collection', 'position'], name='unique_collection_position'),
+        ]
+
+    def __str__(self):
+        return f'{self.collection}: {self.title or self.item}'
+
+
 class UserPreference(models.Model):
     user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='preferences')
     language = models.CharField(max_length=10, blank=True, default='', choices=[('', _('Browser default')), ('de', 'Deutsch'), ('en', 'English')])