News Pagination Handler

News Pagination Handler

#news handler, pulls news from mongodb, renders news page
class NewsHandler (tornado.web.RequestHandler):
	def get(self, currentPage):
		news_content = dict()
		coll = self.application.db.news
		news = coll.find().sort("_id", DESCENDING)

		#pagination code
		currentPage = int(currentPage)
		newsItemsPerPage = 2
		totalNewsItems = coll.count()
		totalPages = int(math.ceil(totalNewsItems/newsItemsPerPage))

		startNewsItemNumber = (int(currentPage) - 1) * newsItemsPerPage
		lastNewsItemNumber = startNewsItemNumber + newsItemsPerPage
		news = news[startNewsItemNumber:lastNewsItemNumber]

		self.render(
				"news.html",
				page_title = "Does Are | News",
				header_text = "News",
				news = news,
				currentPage = currentPage,
				totalPages = totalPages
		)