feat: add basic notifications

src/fellchensammlung/migrations/0002_basenotification_commentnotification.py

@@ -0,0 +1,66 @@
+# Generated by Django 5.0.6 on 2024-08-02 17:11
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("fellchensammlung", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="BaseNotification",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("title", models.CharField(max_length=100)),
+                ("text", models.TextField(verbose_name="Inhalt")),
+                ("read", models.BooleanField(default=False)),
+                (
+                    "user",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Nutzer*in",
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="CommentNotification",
+            fields=[
+                (
+                    "basenotification_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="fellchensammlung.basenotification",
+                    ),
+                ),
+                (
+                    "comment",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="fellchensammlung.comment",
+                        verbose_name="Antwort",
+                    ),
+                ),
+            ],
+            bases=("fellchensammlung.basenotification",),
+        ),
+    ]

src/fellchensammlung/models.py

@@ -68,6 +68,9 @@ class User(AbstractUser):
     def get_absolute_url(self):
         return reverse("user-detail", args=[str(self.pk)])
 
+    def get_notifications_url(self):
+        return self.get_absolute_url()
+
 
 class Image(models.Model):
     image = models.ImageField(upload_to='images')
@@ -531,3 +534,21 @@ class Comment(models.Model):
     @property
     def get_absolute_url(self):
         return self.adoption_notice.get_absolute_url()
+
+
+class BaseNotification(models.Model):
+    created_at = models.DateTimeField(auto_now_add=True)
+    title = models.CharField(max_length=100)
+    text = models.TextField(verbose_name="Inhalt")
+    user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name=_('Nutzer*in'))
+    read = models.BooleanField(default=False)
+
+    def __str__(self):
+        return f"[{self.user}] {self.title} ({self.created_at})"
+
+    def get_absolute_url(self):
+        self.user.get_notifications_url()
+
+
+class CommentNotification(BaseNotification):
+    comment = models.ForeignKey(Comment, on_delete=models.CASCADE, verbose_name=_('Antwort'))

src/fellchensammlung/templates/fellchensammlung/header.html

@@ -18,6 +18,7 @@
         <div class="profile-card">
             {% include "fellchensammlung/forms/change_language.html" %}
             {% if user.is_authenticated %}
+                <a class="btn2" href="{{ user.get_notifications_url }}"><i class="fa fa-bell" aria-hidden="true"></i></a>
                 <a class="btn2" href="{{ user.get_absolute_url }}"><i aria-hidden="true" class="fas fa-user"></i></a>
                 <form class="btn2 button_darken" action="{% url 'logout' %}" method="post">
                     {% csrf_token %}