Add poster groups dynamically as routes and menu entries

aleksis/apps/resint/admin.py

 from django.contrib import admin
 
+from aleksis.core.models import DynamicRoute
+
 from .models import Poster, PosterGroup
 
-admin.site.register(PosterGroup)
+class PosterGroupAdmin(admin.ModelAdmin):
+  exclude = [f.name for f in DynamicRoute._meta.get_fields()]
+
+admin.site.register(PosterGroup, PosterGroupAdmin)
 admin.site.register(Poster)

aleksis/apps/resint/frontend/index.js

+export default {};

aleksis/apps/resint/frontend/messages/en.json

+{
+
+}

aleksis/apps/resint/migrations/0008_postergroup_slug_unique.py

+# Generated by Django 4.1.5 on 2023-02-03 16:42
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("contenttypes", "0002_remove_content_type_name"),
+        ("resint", "0007_current_file_not_null"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="postergroup",
+            name="slug",
+            field=models.SlugField(
+                help_text="If you use 'example', the filename will be 'example.pdf'.",
+                unique=True,
+                verbose_name="Slug used in URL name",
+            ),
+        ),
+    ]

aleksis/apps/resint/migrations/0009_alter_postergroup_managers_and_more.py

+# Generated by Django 4.1.5 on 2023-02-03 17:07
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0049_add_dynamicroute_model"),
+        ("contenttypes", "0002_remove_content_type_name"),
+        ("resint", "0008_postergroup_slug_unique"),
+    ]
+
+    operations = [
+        migrations.AlterModelManagers(
+            name="postergroup",
+            managers=[],
+        ),
+        migrations.RemoveField(
+            model_name="postergroup",
+            name="extended_data",
+        ),
+        migrations.RemoveField(
+            model_name="postergroup",
+            name="id",
+        ),
+        migrations.RemoveField(
+            model_name="postergroup",
+            name="site",
+        ),
+        migrations.AddField(
+            model_name="postergroup",
+            name="dynamicroute_ptr",
+            field=models.OneToOneField(
+                auto_created=True,
+                default=None,
+                on_delete=django.db.models.deletion.CASCADE,
+                parent_link=True,
+                primary_key=True,
+                serialize=False,
+                to="core.dynamicroute",
+            ),
+            preserve_default=False,
+        ),
+    ]

aleksis/apps/resint/migrations/0010_remove_postergroup_unique_site_name_and_more.py

+# Generated by Django 4.1.5 on 2023-02-03 17:13
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("contenttypes", "0002_remove_content_type_name"),
+        ("resint", "0009_alter_postergroup_managers_and_more"),
+    ]
+
+    operations = [
+        migrations.RemoveConstraint(
+            model_name="postergroup",
+            name="unique_site_name",
+        ),
+        migrations.RemoveConstraint(
+            model_name="postergroup",
+            name="unique_site_slug",
+        ),
+        migrations.AlterField(
+            model_name="postergroup",
+            name="name",
+            field=models.CharField(max_length=255, unique=True, verbose_name="Name"),
+        ),
+    ]

aleksis/apps/resint/models.py

@@ -4,6 +4,7 @@ from typing import Any, Optional
 from django.core.files import File
 from django.core.validators import FileExtensionValidator, MaxValueValidator, MinValueValidator
 from django.db import models
+from django.urls import reverse
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
@@ -15,17 +16,19 @@ from celery.states import SUCCESS
 from reversion.models import Revision, Version
 
 from aleksis.core.mixins import ExtensibleModel, ExtensiblePolymorphicModel
+from aleksis.core.models import DynamicRoute
 from aleksis.core.util.pdf import generate_pdf_from_template
 
 
-class PosterGroup(ExtensibleModel):
+class PosterGroup(DynamicRoute):
     """Group for time-based documents, called posters."""
 
     slug = models.SlugField(
         verbose_name=_("Slug used in URL name"),
         help_text=_("If you use 'example', the filename will be 'example.pdf'."),
+        unique=True
     )
-    name = models.CharField(max_length=255, verbose_name=_("Name"))
+    name = models.CharField(max_length=255, verbose_name=_("Name"), unique=True)
     publishing_day = models.PositiveSmallIntegerField(
         verbose_name=_("Publishing weekday"), choices=i18n_day_name_choices_lazy()
     )
@@ -43,10 +46,6 @@ class PosterGroup(ExtensibleModel):
     class Meta:
         verbose_name = _("Poster group")
         verbose_name_plural = _("Poster groups")
-        constraints = [
-            models.UniqueConstraint(fields=["site_id", "name"], name="unique_site_name"),
-            models.UniqueConstraint(fields=["site_id", "slug"], name="unique_site_slug"),
-        ]
         permissions = [
             ("view_poster_of_group", _("Can view all posters of this group")),
             ("upload_poster_to_group", _("Can upload new posters to this group")),
@@ -57,6 +56,23 @@ class PosterGroup(ExtensibleModel):
     def __str__(self) -> str:
         return f"{self.name} ({self.publishing_day_name}, {self.publishing_time})"
 
+    def save(self, *args, **kwargs):
+        self.parent_route_name = ""
+
+        self.route_path = reverse("poster_show_current", args=[self.slug])
+        self.route_name = f"resint.posterGroup.{self.slug}"
+
+        self.display_account_menu = False
+        self.display_sidenav_menu = self.show_in_menu
+        self.sidenav_menu_root = True
+        self.menu_new_tab = True
+
+        self.menu_title = self.name
+        self.menu_icon = "mdi-file-pdf-box"
+
+        super().save(*args, **kwargs)
+
+
     @property
     def publishing_day_name(self) -> str:
         """Return the full name of the publishing day (e. g. Monday)."""