def update_feed(source):
'''
Updates the feeds from source if it has not been updated for UPDATE_INTERVAL hours
'''
logger.info("Checking if %s needs to be updated" % str(source))
#Get the last update time
if source:
last_update = source.last_update
updated_articles = []
logger.debug("%s was last updated: %s" % (str(source), format_datetime(last_update)))
#Update only if UPDATE_INTERVAL time has elapse since the last update
if not last_update or timedelta(datetime.now(tzlocal()), last_update) >= timedelta(hours=UPDATE_INTERVAL):
logger.info("Updating source %s" % str(source))
feed = fp.parse(source.link)
for entry in feed.get('entries'):
#Try parsing the date and if it thows an exception, default to the current date
try:
pub_date = date.parse(entry.get('published'), default=datetime.now(tzlocal()))
except:
pub_date = datetime.now(tzlocal())
link = entry.get('link')
heading = entry.get('title')
summary = entry.get('summary_detail').get('value')
logger.debug("Parsed article: %s" % u''.join(heading).encode('utf-8').strip())
#Check if article has already been added.
article = get_object_or_none(Article, link=link)
if not article:
try:
logger.debug("Article not found in database. Adding to database")
article = Article.objects.create(pub_date=pub_date, link=link, source=source, heading=heading, summary=summary)
article.tag_self()
updated_articles.append(article)
except Exception, e:
logger.exception(e)
#Update the last update time of this source
source.last_update = datetime.now(tzlocal())
source.save()
logger.info("No of articles updated: %d" % len(updated_articles))
def get_article(request, tab_id, article_no):
logger.debug("Ajax request received.(Tab_id: %s, Article_no: %s)" % (tab_id, article_no))
article = None
success = False
if request.user.is_authenticated():
logger.info("Retreiving articles")
articles = get_content(request.user, tab_id)
logger.info("No of articles retreived: %d" % len(articles))
if articles and len(articles) >= article_no:
article = articles[article_no - 1]
success = True
logger.info("Article no %s found : %s" % (article_no, article.get_heading()))
article = {
'id': article.id,
'title': article.get_heading(),
'mlink': article.link,
'link': reverse('newsreader:article', kwargs={'article_url': generate_seo_link(article.get_heading()), 'article_no': article.id}),
'pubDate': format_datetime(article.pub_date),
'summary': article.get_summary(),
'tags':[tag.name for tag in article.tags.all()]
}
else:
article = {
'no_articles': True
}
logger.debug("Sending response(%s)" % str(article))
response = {'success': success, 'article': article}
return simplejson.dumps(response)
