From 330c4c3f08921e560fb04eee910fa63211c503a0 Mon Sep 17 00:00:00 2001
From: Markus Steinlein <markus@steinleins.de>
Date: Thu, 11 Mar 2021 16:14:09 +0100
Subject: [PATCH] Added support for a simple rss feed.

---
 app.py             |  6 ++++++
 feed.py            | 33 +++++++++++++++++++++++++++++++++
 requirements.txt   |  1 +
 tests/test_feed.py |  8 ++++++++
 4 files changed, 48 insertions(+)
 create mode 100644 feed.py
 create mode 100644 tests/test_feed.py

diff --git a/app.py b/app.py
index a767619..81d4ff4 100755
--- a/app.py
+++ b/app.py
@@ -7,6 +7,7 @@ from flask_flatpages.utils import pygmented_markdown
 from flask_fontawesome import FontAwesome
 from datetime import datetime
 from fotogrid import fotogrid
+from feed import generate_feed
 
 
 # directly support jinja within markdown blogposts
@@ -67,5 +68,10 @@ def index():
     return render_template('index.html', pages=sorted_pages)
 
 
+@app.route('/rss')
+def rss():
+    return generate_feed(pages)
+
+
 if __name__ == '__main__':
     app.run(host='0.0.0.0')
diff --git a/feed.py b/feed.py
new file mode 100644
index 0000000..c813a1f
--- /dev/null
+++ b/feed.py
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-3.0
+
+from feedgen.feed import FeedGenerator
+from datetime import datetime
+from flask import make_response
+
+
+def generate_feed(pages):
+    """
+    Provide a simple RSS feed for all articles on the page.
+    :param pages: The paghes instance from flask-flatpages extension.
+    :return: flask response that should be return when calling the feed url
+    """
+    fg = FeedGenerator()
+    fg.title('FdgL- Website Feed')
+    fg.description(
+        'Neuigkeiten von den Freund*innen des geordneten Lärms e.V.')
+    fg.link(href='https://fdgl.rocks')
+
+    for p in pages:
+        fe = fg.add_entry()
+        fe.title(p.meta['title'])
+        date = datetime.strptime(p.meta["date"] +
+                                 ' 00:00:00 +0100', "%d.%m.%Y %H:%M:%S %z")
+        fe.published(date)
+        fe.author(name=p.meta['author'])
+        fe.description(p.meta['description'])
+        fe.link(href='https://fdgl.rocks/' + p.path + '.html')
+
+    response = make_response(fg.rss_str())
+    response.headers.set('Content-Type', 'application/rss+xml')
+
+    return response
diff --git a/requirements.txt b/requirements.txt
index 98b14d7..42b0807 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 flask
 flask_flatpages
 flask_fontawesome
+feedgen
 
 pytest
 pytest-cov
diff --git a/tests/test_feed.py b/tests/test_feed.py
new file mode 100644
index 0000000..a100490
--- /dev/null
+++ b/tests/test_feed.py
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-3.0
+import os
+
+
+def test_index(app, client):
+    print("Checking presence of: rss feed")
+    res = client.get("/rss")
+    assert res.status_code == 200