From cf1b2af3252d4aac51389f3b8bbb4c47d20c6a64 Mon Sep 17 00:00:00 2001
From: Gabriel Augendre <gabriel@augendre.info>
Date: Thu, 4 Mar 2021 18:48:48 +0100
Subject: [PATCH] Add feed for tags

---
 articles/models.py      |  2 +-
 articles/urls.py        |  1 +
 articles/views/feeds.py | 18 +++++++++++++-----
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/articles/models.py b/articles/models.py
index 99c314d..f65c339 100644
--- a/articles/models.py
+++ b/articles/models.py
@@ -60,7 +60,7 @@ class Article(models.Model):
         ordering = ["-published_at"]
 
     def __str__(self):
-        return f"{self.title}"
+        return self.title
 
     def get_absolute_url(self):
         return reverse("article-detail", kwargs={"slug": self.slug})
diff --git a/articles/urls.py b/articles/urls.py
index 7ca1683..ea5c851 100644
--- a/articles/urls.py
+++ b/articles/urls.py
@@ -6,6 +6,7 @@ urlpatterns = [
     path("", html.ArticlesListView.as_view(), name="articles-list"),
     path("drafts/", html.DraftsListView.as_view(), name="drafts-list"),
     path("search/", html.SearchArticlesListView.as_view(), name="search"),
+    path("tag/<slug:slug>/feed/", feeds.TagFeed(), name="tag-feed"),
     path("tag/<slug:slug>/", html.TagArticlesListView.as_view(), name="tag"),
     path("feed/", feeds.CompleteFeed(), name="complete-feed"),
     path("api/render/<int:article_pk>/", api.render_article, name="api-render-article"),
diff --git a/articles/views/feeds.py b/articles/views/feeds.py
index 6775409..c66bb3f 100644
--- a/articles/views/feeds.py
+++ b/articles/views/feeds.py
@@ -1,6 +1,6 @@
 from django.contrib.syndication.views import Feed
 
-from articles.models import Article
+from articles.models import Article, Tag
 from blog import settings
 
 
@@ -10,16 +10,24 @@ class CompleteFeed(Feed):
     link = settings.BLOG["base_url"]
     description = settings.BLOG["description"]
 
-    def items(self):
+    def get_queryset(self, obj):
         return Article.objects.filter(status=Article.PUBLISHED).order_by(
             "-published_at"
-        )[: self.FEED_LIMIT]
+        )
 
-    def item_title(self, item: Article):
-        return item.title
+    def items(self, obj):
+        return self.get_queryset(obj)[: self.FEED_LIMIT]
 
     def item_description(self, item: Article):
         return item.get_formatted_content
 
     def item_pubdate(self, item: Article):
         return item.published_at
+
+
+class TagFeed(CompleteFeed):
+    def get_object(self, request, *args, **kwargs):
+        return Tag.objects.get(slug=kwargs.get("slug"))
+
+    def get_queryset(self, tag):
+        return super().get_queryset(tag).filter(tags=tag)