added feed of recent comics.

comic/feeds.py

@@ -0,0 +1,30 @@
+import uuid
+
+from django.contrib.syndication.views import Feed
+from django.shortcuts import get_object_or_404
+from django.utils.http import urlsafe_base64_decode, urlsafe_base64_encode
+
+from .models import ComicBook, UserMisc
+
+
+class RecentComics(Feed):
+    title = "CBWebReader Recent Comics"
+    link = "/comics/"
+    description = "Recently added Comics"
+
+    def get_object(self, request, user_selector, *args, **kwargs):
+        user_selector = uuid.UUID(bytes=urlsafe_base64_decode(user_selector))
+        return get_object_or_404(UserMisc, feed_id=user_selector)
+
+    def items(self):
+        return ComicBook.objects.order_by('-date_added')[:10]
+
+    def item_title(self, item: ComicBook):
+        return item.file_name
+
+    def item_description(self, item: ComicBook):
+        return item.date_added.isoformat()
+
+    # item_link is only needed if NewsItem has no get_absolute_url method.
+    def item_link(self, item: ComicBook):
+        return '/comic/read/{0}/0/'.format(urlsafe_base64_encode(item.selector.bytes).decode())