From d779e5e0a86ae03056f73f88f522b946c9e0cd22 Mon Sep 17 00:00:00 2001
From: Daniel Tsvetkov <danieltcv@gmail.com>
Date: Sun, 28 Mar 2021 18:17:33 +0200
Subject: [PATCH] added rss

---
 requirements.txt                 |  3 ++-
 webapp/app.py                    | 29 ++++++++++++++++++++++++++++-
 webapp/templates/layout.html     |  1 +
 webapp/templates/navigation.html |  1 +
 4 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index d26342d..c128aea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
-Flask-Markdown==0.3
\ No newline at end of file
+Flask-Markdown==0.3
+rfeed==1.1.1
\ No newline at end of file
diff --git a/webapp/app.py b/webapp/app.py
index 7bee328..5b4b911 100644
--- a/webapp/app.py
+++ b/webapp/app.py
@@ -1,6 +1,8 @@
+import datetime
 import html
 
-from flask import render_template, request, flash, redirect, url_for
+import rfeed
+from flask import render_template, request, flash, redirect, url_for, Response
 
 from webapp.routes import *
 from oshipka.webapp import app
@@ -53,3 +55,28 @@ def blog_post_filename(filename):
         flash("Blog post doesn't exist")
         return redirect(url_for('index'))
     return render_template("blog_post/get.html", instance=blog_post)
+
+
+@app.route('/rss.xml')
+def rss():
+    feed_items = []
+    for blog_post in BlogPost.query.order_by(BlogPost.created_dt.desc()).all():
+        d = blog_post.created_dt
+        pub_date = datetime.datetime(int(d[0:4]), int(d[4:6]), int(d[6:8]))
+        item = rfeed.Item(
+            title=blog_post.title,
+            link="https://blog.pi2.dev/blog_post/{}".format(blog_post.filename),
+            description="{}...".format(blog_post.body[:300]),
+            author="Daniel",
+            guid=rfeed.Guid("https://blog.pi2.dev/blog_post/{}".format(blog_post.filename)),
+            pubDate=pub_date)
+        feed_items.append(item)
+
+    feed = rfeed.Feed(
+        title="Pi2-Blog posts",
+        link="https://blog.pi2.dev/rss.xml",
+        description="Pisquared Blog - Recently updated posts",
+        language="en-US",
+        lastBuildDate=datetime.datetime.now(),
+        items=feed_items)
+    return Response(feed.rss(), mimetype='text/xml')
diff --git a/webapp/templates/layout.html b/webapp/templates/layout.html
index fe1883c..86d7978 100644
--- a/webapp/templates/layout.html
+++ b/webapp/templates/layout.html
@@ -11,6 +11,7 @@
         href="{{ url_for('static', filename='favicons/favicon-96x96.png') }}">
   <link rel="icon" type="image/png" sizes="16x16"
         href="{{ url_for('static', filename='favicons/favicon-16x16.png') }}">
+  <link rel="alternate" type="application/rss+xml" title="PiSquared Blog Updates" href="https://blog.pi2.dev/rss.xml" />
   <style type="text/css">
     body {
       font-family: "Open Sans", Arial, sans-serif;
diff --git a/webapp/templates/navigation.html b/webapp/templates/navigation.html
index ff8a0c6..450b066 100644
--- a/webapp/templates/navigation.html
+++ b/webapp/templates/navigation.html
@@ -1,3 +1,4 @@
 <a href="{{ url_for('home') }}">{{ _("PiSquared Blog") }}</a> |
 <a href="{{ url_for('index') }}">{{ _("Index") }}</a> |
+<a href="{{ url_for('rss') }}">{{ _("RSS") }}</a> |
 <a href="{{ url_for('aboutme') }}">{{ _("About Me") }}</a>
\ No newline at end of file