Initial my2dos Django app

core/models.py

@@ -0,0 +1,87 @@
+import re
+import secrets
+from django.conf import settings
+from django.db import models
+from django.urls import reverse
+
+TAG_RE = re.compile(r'(?<!\w)#([\wäöüÄÖÜß-]+)')
+LINK_RE = re.compile(r'\[\[(todo|note|link)?:?(\d+)\]\]', re.I)
+
+
+class Tag(models.Model):
+    name = models.SlugField(max_length=80, unique=True, allow_unicode=True)
+
+    class Meta:
+        ordering = ['name']
+
+    def __str__(self):
+        return f'#{self.name}'
+
+
+class Item(models.Model):
+    class Kind(models.TextChoices):
+        TODO = 'todo', 'Aufgabe'
+        NOTE = 'note', 'Notiz'
+        LINK = 'link', 'Link'
+
+    class Visibility(models.TextChoices):
+        PRIVATE = 'private', 'Privat'
+        PUBLIC = 'public', 'Öffentlich'
+
+    owner = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='items')
+    kind = models.CharField(max_length=10, choices=Kind.choices, default=Kind.NOTE)
+    content = models.TextField()
+    comment = models.TextField(blank=True)
+    visibility = models.CharField(max_length=10, choices=Visibility.choices, default=Visibility.PRIVATE)
+    is_done = models.BooleanField(default=False)
+    due_at = models.DateTimeField(blank=True, null=True)
+    url = models.URLField(blank=True)
+    tags = models.ManyToManyField(Tag, blank=True, related_name='items')
+    linked_items = models.ManyToManyField('self', blank=True, symmetrical=False, related_name='backlinks')
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['-created_at']
+
+    def __str__(self):
+        return self.content[:80]
+
+    def get_absolute_url(self):
+        return reverse('item_detail', args=[self.pk])
+
+    def sync_metadata(self):
+        tag_names = {m.group(1).lower() for m in TAG_RE.finditer(self.content)}
+        tags = [Tag.objects.get_or_create(name=name)[0] for name in tag_names]
+        self.tags.set(tags)
+        ids = [int(m.group(2)) for m in LINK_RE.finditer(f'{self.content}\n{self.comment}')]
+        self.linked_items.set(Item.objects.filter(id__in=ids).exclude(id=self.id))
+
+
+class ApiKey(models.Model):
+    owner = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='api_keys')
+    name = models.CharField(max_length=120, default='API Key')
+    token = models.CharField(max_length=80, unique=True, editable=False)
+    tags = models.ManyToManyField(Tag, blank=True, related_name='api_keys')
+    created_at = models.DateTimeField(auto_now_add=True)
+    is_active = models.BooleanField(default=True)
+
+    class Meta:
+        ordering = ['-created_at']
+
+    def save(self, *args, **kwargs):
+        if not self.token:
+            self.token = secrets.token_urlsafe(32)
+        super().save(*args, **kwargs)
+
+    def __str__(self):
+        return self.name
+
+
+class Attachment(models.Model):
+    item = models.ForeignKey(Item, on_delete=models.CASCADE, related_name='attachments')
+    file = models.FileField(upload_to='attachments/%Y/%m/')
+    uploaded_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return self.file.name