Add read it later functionality (#304)

* Allow marking bookmarks as unread

* Restructure navigation to include preset filters

* Add mark as read action

* Improve description

* Highlight unread bookmarks visually

* Mark bookmarks as read by default

* Add tests

* Implement toread flag in importer

* Implement admin actions

* Add query tests

* Remove untagged link

* Update api docs

* Reduce height of description textarea

Co-authored-by: Sascha Ißbrücker <sascha.issbruecker@gmail.com>

bookmarks/views/bookmarks.py

@@ -162,6 +162,16 @@ def unarchive(request, bookmark_id: int):
     unarchive_bookmark(bookmark)
 
 
+def mark_as_read(request, bookmark_id: int):
+    try:
+        bookmark = Bookmark.objects.get(pk=bookmark_id, owner=request.user)
+    except Bookmark.DoesNotExist:
+        raise Http404('Bookmark does not exist')
+
+    bookmark.unread = False
+    bookmark.save()
+
+
 @login_required
 def action(request):
     # Determine action
@@ -171,6 +181,8 @@ def action(request):
         unarchive(request, request.POST['unarchive'])
     if 'remove' in request.POST:
         remove(request, request.POST['remove'])
+    if 'mark_as_read' in request.POST:
+        mark_as_read(request, request.POST['mark_as_read'])
     if 'bulk_archive' in request.POST:
         bookmark_ids = request.POST.getlist('bookmark_id')
         archive_bookmarks(bookmark_ids, request.user)