def get_and_rank_news_articles(date='latest'):
"""Get Articles in DB and assigns them a score.
Args:
date: (str)
Returns:
News information from Database.
"""
if not date:
raise ValueError('Invalid date')
if date == 'latest':
date = str(DbHelper.get_record(settings.RANKING_QUERY_DATE))
logging.info('Using latest date. The latest date found was: %s', date)
if not date:
raise ValueError('Unable to extract date')
logging.info('Using date: %s', date)
if re.match('\d{4}-\d{1,2}-\d{2}', date):
news = get_articles_by_date(date)
if news:
logging.info('Ranking started.')
return rank_articles(news)
else:
raise ValueError('No news found')
else:
raise ValueError('Invalid date format')
def get_articles(self, date='latest'):
"""Read posts from database.
:param date:
:return:
"""
# Get latest date for News inserted in Database.
if date == 'latest':
date = DbHelper.get_record(settings.CLUSTERING_QUERY_DATE)
logging.info('Using latest date. The latest date found was: %s',
date)
logging.info('Using date: %s', date)
if re.match('\d{4}-\d{1,2}-\d{2}', date):
self.articles = get_articles_by_date(date)
logging.info('Found %d articles.' % len(self.articles))
return self.articles