Validate URLs before adding

feeds/admin.py

@@ -4,3 +4,66 @@ https://docs.djangoproject.com/en/5.0/ref/contrib/admin/
 """
 
 from __future__ import annotations
+
+from typing import TYPE_CHECKING, ClassVar
+
+from django.contrib import admin
+
+from feeds.models import (
+    Author,
+    Blocklist,
+    Cloud,
+    Contributor,
+    Feed,
+    Generator,
+    Image,
+    Info,
+    Link,
+    Publisher,
+    Rights,
+    Subtitle,
+    Tags,
+    TextInput,
+    Title,
+)
+from feeds.validator import update_blocklist
+
+if TYPE_CHECKING:
+    from django.db.models.query import QuerySet
+    from django.http import HttpRequest
+
+admin.site.register(Author)
+admin.site.register(Cloud)
+admin.site.register(Contributor)
+admin.site.register(Feed)
+admin.site.register(Generator)
+admin.site.register(Image)
+admin.site.register(Info)
+admin.site.register(Link)
+admin.site.register(Publisher)
+admin.site.register(Rights)
+admin.site.register(Subtitle)
+admin.site.register(Tags)
+admin.site.register(TextInput)
+admin.site.register(Title)
+
+
+# Add button to update blocklist on the admin page
+@admin.register(Blocklist)
+class BlocklistAdmin(admin.ModelAdmin):
+    """Admin interface for blocklist."""
+
+    actions: ClassVar[list[str]] = ["_update_blocklist", "delete_all_blocklist"]
+    list_display: ClassVar[list[str]] = ["url", "active"]
+
+    @admin.action(description="Update blocklist")
+    def _update_blocklist(self: admin.ModelAdmin, request: HttpRequest, queryset: QuerySet) -> None:  # noqa: ARG002
+        """Update blocklist."""
+        msg: str = update_blocklist()
+        self.message_user(request=request, message=msg)
+
+    @admin.action(description="Delete all blocklists")
+    def delete_all_blocklist(self: admin.ModelAdmin, request: HttpRequest, queryset: QuerySet) -> None:  # noqa: ARG002
+        """Delete all blocklist from database."""
+        Blocklist.objects.all().delete()
+        self.message_user(request=request, message="Deleted all blocklists")