Add infinity scrolling for /feeds

feedvault/settings.py

@@ -65,6 +65,7 @@ INSTALLED_APPS: list[str] = [
     "django.contrib.sessions",
     "django.contrib.messages",
     "django.contrib.sitemaps",
+    "django_htmx",
 ]
 
 MIDDLEWARE: list[str] = [
@@ -77,6 +78,7 @@ MIDDLEWARE: list[str] = [
     "django.contrib.auth.middleware.AuthenticationMiddleware",
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
+    "django_htmx.middleware.HtmxMiddleware",
 ]
 
 # Use PostgreSQL as the default database

feedvault/views.py

@@ -13,6 +13,7 @@ from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib.auth.views import LoginView, LogoutView, PasswordChangeView
 from django.contrib.messages.views import SuccessMessageMixin
 from django.core.exceptions import SuspiciousOperation
+from django.core.paginator import EmptyPage, Paginator
 from django.db.models.manager import BaseManager
 from django.http import FileResponse, Http404, HttpRequest, HttpResponse
 from django.shortcuts import get_object_or_404, render
@@ -20,7 +21,6 @@ from django.template import loader
 from django.urls import reverse_lazy
 from django.views import View
 from django.views.generic.edit import CreateView
-from django.views.generic.list import ListView
 
 from feedvault.feeds import add_url
 from feedvault.models import Domain, Entry, Feed, FeedAddResult, UserUploadedFile
@@ -33,6 +33,10 @@ if TYPE_CHECKING:
 logger: logging.Logger = logging.getLogger(__name__)
 
 
+class HtmxHttpRequest(HttpRequest):
+    htmx: Any
+
+
 class IndexView(View):
     """Index path."""
 
@@ -74,24 +78,33 @@ class FeedView(View):
         return render(request, "feed.html", context)
 
 
-class FeedsView(ListView):
+class FeedsView(View):
     """All feeds."""
 
-    model = Feed
-    paginate_by = 100
-    template_name = "feeds.html"
-    context_object_name = "feeds"
+    def get(self, request: HtmxHttpRequest) -> HttpResponse:
+        """All feeds."""
+        feeds: BaseManager[Feed] = Feed.objects.only("id", "feed_url")
 
-    def get_context_data(self, **kwargs) -> dict:  # noqa: ANN003
-        """Get the context data."""
-        context = super().get_context_data(**kwargs)
-        feed_amount: int = Feed.objects.count() or 0
-        context["description"] = f"Archiving {feed_amount} feeds"
-        context["keywords"] = "feed, rss, atom, archive, rss list"
-        context["author"] = "TheLovinator"
-        context["canonical"] = "https://feedvault.se/feeds/"
-        context["title"] = "Feeds"
-        return context
+        paginator = Paginator(object_list=feeds, per_page=100)
+        page_number = int(request.GET.get("page", default=1))
+
+        try:
+            pages = paginator.get_page(page_number)
+        except EmptyPage:
+            return HttpResponse("")
+
+        context = {
+            "feeds": pages,
+            "description": "An archive of all feeds",
+            "keywords": "feed, rss, atom, archive, rss list",
+            "author": "TheLovinator",
+            "canonical": "https://feedvault.se/feeds/",
+            "title": "Feeds",
+            "page": page_number,
+        }
+
+        template_name = "partials/feeds.html" if request.htmx else "feeds.html"
+        return render(request, template_name, context)
 
 
 class AddView(LoginRequiredMixin, View):

poetry.lock

@@ -463,6 +463,21 @@ files = [
 django = ">=3.2.4"
 sqlparse = ">=0.2"
 
+[[package]]
+name = "django-htmx"
+version = "1.17.3"
+description = "Extensions for using Django with htmx."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "django-htmx-1.17.3.tar.gz", hash = "sha256:a2069219920d7ef0883ddbf5e8d931069db145a0d4a8a032a2708f840c7a68a6"},
+    {file = "django_htmx-1.17.3-py3-none-any.whl", hash = "sha256:0de964ca257eda2a4ebeeaa8181320119378fa5f95a2fc2f2bfbdd35034ed424"},
+]
+
+[package.dependencies]
+asgiref = ">=3.6"
+Django = ">=3.2"
+
 [[package]]
 name = "django-ninja"
 version = "1.1.0"
@@ -1299,4 +1314,4 @@ brotli = ["Brotli"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12"
-content-hash = "67041176bd9ca4289c6900d794465da1df4a966ed81625367552fa238b7976f8"
+content-hash = "e21c650c4ac009f1e6ba8939aa6236a63b8dc3a095b803fe7e13a529fc62b072"

pyproject.toml

@@ -7,7 +7,7 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.12"
-django = {extras = ["argon2"], version = "^5.0.3"}
+django = { extras = ["argon2"], version = "^5.0.3" }
 python-dotenv = "^1.0.1"
 feedparser = "^6.0.11"
 gunicorn = "^21.2.0"
@@ -15,9 +15,10 @@ dateparser = "^1.2.0"
 discord-webhook = "^1.3.1"
 django-ninja = "^1.1.0"
 django-debug-toolbar = "^4.3.0"
-whitenoise = {extras = ["brotli"], version = "^6.6.0"}
+whitenoise = { extras = ["brotli"], version = "^6.6.0" }
 rich = "^13.7.1"
-psycopg = {extras = ["binary"], version = "^3.1.18"}
+psycopg = { extras = ["binary"], version = "^3.1.18" }
+django-htmx = "^1.17.3"
 
 [tool.poetry.group.dev.dependencies]
 ruff = "^0.3.0"
@@ -25,9 +26,7 @@ djlint = "^1.34.1"
 
 [build-system]
 build-backend = "poetry.core.masonry.api"
-requires = [
-  "poetry-core",
-]
+requires = ["poetry-core"]
 
 [tool.ruff]
 exclude = ["migrations"]

templates/base.html

@@ -9,7 +9,7 @@
     {% if author %}<meta name="author" content="{{ author }}" />{% endif %}
     {% if canonical %}<link rel="canonical" href="{{ canonical }}" />{% endif %}
     <title>{{ title|default:"FeedVault" }}</title>
-    <script src="{% static 'htmx.min.js' %}"></script>
+    <script src="{% static 'htmx.min.js' %}" defer></script>
     <style>
       html {
         max-width: 88ch;

templates/feeds.html

@@ -1,12 +1,5 @@
 {% extends "base.html" %}
 {% block content %}
     <h2>Latest Feeds</h2>
-    {% if feeds %}
-        {% for feed in feeds %}
-            <a href="{% url 'feed' feed.id %}">{{ feed.feed_url|default:"Unknown Feed" }} →</a>
-            <br>
-        {% endfor %}
-    {% else %}
-        <p>No feeds yet. Time to add some!</p>
-    {% endif %}
+    {% include "partials/feeds.html" %}
 {% endblock %}

templates/partials/feeds.html

@@ -0,0 +1,12 @@
+{% if feeds %}
+    {% for feed in feeds %}
+        <a href="{% url 'feed' feed.id %}">{{ feed.feed_url|default:"Unknown Feed" }} →</a>
+        <br>
+    {% endfor %}
+{% else %}
+    <p>No feeds yet. Time to add some!</p>
+{% endif %}
+<div hx-get="{% url 'feeds' %}?page={{ page|add:1 }}"
+     hx-trigger="revealed"
+     hx-target="this"
+     hx-swap="outerHTML">Loading...</div>