Add parsed rss entries to home page with caching

common/djangoapps/student/views.py

@@ -5,6 +5,7 @@ import random
 import string
 import sys
 import uuid
+import feedparser
 
 from django.conf import settings
 from django.contrib.auth import logout, authenticate, login
@@ -19,6 +20,8 @@ from django.http import HttpResponse, Http404
 from django.shortcuts import redirect
 from mitxmako.shortcuts import render_to_response, render_to_string
 from django.core.urlresolvers import reverse
+from BeautifulSoup import BeautifulSoup
+from django.core.cache import cache
 
 from django_future.csrf import ensure_csrf_cookie
 from student.models import Registration, UserProfile, PendingNameChange, PendingEmailChange, CourseEnrollment
@@ -44,11 +47,23 @@ def csrf_token(context):
 def index(request):
     ''' Redirects to main page -- info page if user authenticated, or marketing if not
     '''
+    entries = None
+    if settings.RSS_URL:
+        feed = cache.get("students_index_rss_feed")
+        if feed == None:
+            feed = feedparser.parse(settings.RSS_URL)
+            cache.set("students_index_rss_feed", feed, settings.RSS_TIMEOUT)
+        entries = feed['entries'][0:3]
+        for entry in entries:
+            soup = BeautifulSoup(entry.description)
+            if soup.img:
+                entry.image = soup.img['src']
+
     if settings.COURSEWARE_ENABLED and request.user.is_authenticated():
         return redirect(reverse('dashboard'))
     else:
         # TODO: Clean up how 'error' is done.
-        return render_to_response('index.html', {'courses': modulestore().get_courses()})
+        return render_to_response('index.html', {'courses': modulestore().get_courses(), 'entries': entries})
 
 
 @login_required

lms/envs/common.py

@@ -104,6 +104,8 @@ LIB_URL = '/static/js/'
 # Dev machines shouldn't need the book
 # BOOK_URL = '/static/book/'
 BOOK_URL = 'https://mitxstatic.s3.amazonaws.com/book_images/' # For AWS deploys
+RSS_URL = 'https://github.com/blog.atom'
+RSS_TIMEOUT = 600
 
 # Configuration option for when we want to grab server error pages
 STATIC_GRAB = False

lms/templates/index.html

 <%! from django.core.urlresolvers import reverse %>
+<%! from time import strftime %>
 <%inherit file="main.html" />
 <%namespace name='static' file='static_content.html'/>
 
@@ -91,35 +92,19 @@
       </header>
       <section class="news">
         <section class="blog-posts">
+            %for entry in entries:
             <article>
-            <a href="#" class="post-graphics">
-              <img src="${static.url('images/mongolia_post.jpeg')}" />
+                %if hasattr(entry, 'image'):
+                    <a href="${entry.link}" class="post-graphics">
+                        <img src="${entry.image}" />
                     </a>
+                %endif
                 <div class="post-name">
-              <a href="">Opening Doors For Exceptional Students: 6.002x in Mongolia.</a>
-              <p class="post-date">7/12/2012</p>
-            </div>
-          </article>
-
-          <article>
-            <a href="#" class="post-graphics">
-              <img src="${static.url('images/courses/space1.jpg')}" />
-            </a>
-            <div class="post-name">
-              <a href="">Online Classes Cut Costs, But Do They Dilute Brands?</a>
-              <p class="post-date">7/12/2012</p>
-            </div>
-          </article>
-
-          <article>
-            <a href="#" class="post-graphics">
-              <img src="${static.url('images/courses/space1.jpg')}" />
-            </a>
-            <div class="post-name">
-              <a href="">Online Classes Cut Costs, But Do They Dilute Brands?</a>
-              <p class="post-date">7/12/2012</p>
+                    <a href="${entry.link}">${entry.title}</a>
+                    <p class="post-date">${strftime("%m/%d/%y", entry.published_parsed)}</p>
                 </div>
             </article>
+            %endfor
         </section>
       </section>
     </section>

requirements.txt

@@ -15,6 +15,7 @@ django_debug_toolbar
 django-staticfiles>=1.2.1
 fs
 beautifulsoup
+feedparser
 requests
 sympy
 newrelic