From a48cbbe5d2b52b0ead0cf2c613947ee0547fc718 Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@painless-security.com>
Date: Tue, 5 Mar 2024 17:17:03 -0500
Subject: [PATCH] feat: RSS feed for I-Ds (#6979)

---
 ietf/doc/feeds.py                     | 28 +++++++++++++++++++++++++--
 ietf/doc/tests.py                     | 14 ++++++++++++++
 ietf/feed_urls.py                     |  5 ++++-
 ietf/templates/doc/recent_drafts.html | 11 +++++++++--
 4 files changed, 53 insertions(+), 5 deletions(-)

diff --git a/ietf/doc/feeds.py b/ietf/doc/feeds.py
index 500ed3cb18..c5a9ed058d 100644
--- a/ietf/doc/feeds.py
+++ b/ietf/doc/feeds.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2007-2020, All Rights Reserved
+# Copyright The IETF Trust 2007-2024, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 import debug  # pyflakes:ignore
@@ -18,7 +18,7 @@
 from django.utils import timezone
 from django.utils.html import strip_tags
 
-from ietf.doc.models import Document, State, LastCallDocEvent, DocEvent
+from ietf.doc.models import Document, State, LastCallDocEvent, DocEvent, NewRevisionDocEvent
 from ietf.doc.utils import augment_events_with_revision
 from ietf.doc.templatetags.ietf_filters import format_textarea
 from ietf.utils.timezone import RPC_TZINFO
@@ -127,6 +127,30 @@ def item_pubdate(self, item):
         return item.lc_event.time
 
 
+class DraftFeed(Feed):
+    title = "Internet-Drafts"
+    feed_type = Atom1Feed
+    author_name = "IESG Secretary"
+    link ="/doc/recent/"
+
+    def items(self):
+        since = timezone.now() - datetime.timedelta(days=7)
+        state = State.objects.get(type='draft', slug='active')
+        events = NewRevisionDocEvent.objects.filter(time__gt=since)
+        names = [ e.doc.name for e in events ]
+        docs = Document.objects.filter(name__in=names, states=state).order_by("-time")
+        return docs
+
+    def item_title(self, item):
+        return "%s : %s" % (item.name, item.title)
+
+    def item_description(self, item):
+        return item.abstract
+
+    def item_pubdate(self, item):
+        return item.time
+
+
 class Rss201WithNamespacesFeed(Rss201rev2Feed):
     def root_attributes(self):
         attrs = super(Rss201WithNamespacesFeed, self).root_attributes()
diff --git a/ietf/doc/tests.py b/ietf/doc/tests.py
index c9e1c041d1..3f44a9431b 100644
--- a/ietf/doc/tests.py
+++ b/ietf/doc/tests.py
@@ -1932,6 +1932,20 @@ def test_last_call_feed(self):
         self.assertEqual(r.status_code, 200)
         self.assertContains(r, doc.name)
 
+    def test_draft_feed(self):
+        doc = WgDraftFactory()
+        doc.docevent_set.filter(newrevisiondocevent__isnull=False).update(time=timezone.now())
+        StateDocEventFactory(doc=doc, time=timezone.now())
+
+        old = WgDraftFactory()
+        old.docevent_set.filter(newrevisiondocevent__isnull=False).update(time=timezone.now()-datetime.timedelta(days=8))
+        StateDocEventFactory(doc=old, time=timezone.now()-datetime.timedelta(days=8))
+
+        r = self.client.get("/feed/draft/")
+        self.assertEqual(r.status_code, 200)
+        self.assertContains(r, doc.name)
+        self.assertNotContains(r, old.name)
+
     def test_rfc_feed(self):
         rfc = WgRfcFactory(rfc_number=9000)
         DocEventFactory(doc=rfc, type="published_rfc")
diff --git a/ietf/feed_urls.py b/ietf/feed_urls.py
index 6cbe8d0fa0..6621c1c4c0 100644
--- a/ietf/feed_urls.py
+++ b/ietf/feed_urls.py
@@ -1,7 +1,9 @@
+# Copyright The IETF Trust 2007-2024, All Rights Reserved
+
 from django.views.generic import RedirectView
 from django.conf import settings
 
-from ietf.doc.feeds import DocumentChangesFeed, InLastCallFeed, RfcFeed
+from ietf.doc.feeds import DocumentChangesFeed, InLastCallFeed, RfcFeed, DraftFeed
 from ietf.group.feeds import GroupChangesFeed
 from ietf.iesg.feeds import IESGAgendaFeed
 from ietf.ipr.feeds import LatestIprDisclosuresFeed
@@ -20,4 +22,5 @@
     url(r'^wg-proceedings/$', LatestMeetingMaterialFeed()),
     url(r'^rfc/(?P<year>\d{4})/?$', RfcFeed()),
     url(r'^rfc/$', RfcFeed()),
+    url(r'^draft/?$', DraftFeed()),
 ]
diff --git a/ietf/templates/doc/recent_drafts.html b/ietf/templates/doc/recent_drafts.html
index 9674ba8b66..27bdd4b392 100644
--- a/ietf/templates/doc/recent_drafts.html
+++ b/ietf/templates/doc/recent_drafts.html
@@ -1,5 +1,5 @@
 {% extends "base.html" %}
-{# Copyright The IETF Trust 2015, All Rights Reserved #}
+{# Copyright The IETF Trust 2015-2024, All Rights Reserved #}
 {% load origin static %}
 {% load cache %}
 {% block pagehead %}
@@ -17,7 +17,14 @@ <h1>
         {% endif %}
     </h1>
     {% include "doc/search/search_results.html" with start_table=True end_table=True %}
-{% endcache %}
+    {% endcache %}
+    <div>
+        <a class="btn btn-primary"
+           title="Feed of recent drafts"
+           href="/feed/draft/">
+          <i class="bi bi-rss"></i> Atom feed
+        </a>
+    </div>
 {% endblock %}
 {% block js %}
     <script src="{% static "ietf/js/list.js" %}"></script>