import logging import operator from datetime import datetime, timedelta from flask import (request, render_template, flash, url_for, redirect, current_app) from flask_babel import gettext from sqlalchemy import desc from conf import API_ROOT from web.controllers import FeedController from web.lib.view_utils import etag_match logger = logging.getLogger(__name__) @current_app.errorhandler(401) def authentication_required(error): if API_ROOT in request.url: return error flash(gettext('Authentication required.'), 'info') return redirect(url_for('login')) @current_app.errorhandler(403) def authentication_failed(error): if API_ROOT in request.url: return error flash(gettext('Forbidden.'), 'danger') return redirect(url_for('login')) @current_app.errorhandler(404) def page_not_found(error): return render_template('errors/404.html'), 404 @current_app.errorhandler(500) def internal_server_error(error): return render_template('errors/500.html'), 500 @current_app.errorhandler(AssertionError) def handle_sqlalchemy_assertion_error(error): return error.args[0], 400 @current_app.route('/popular', methods=['GET']) @etag_match def popular(): """ Return the most popular feeds for the last nb_days days. """ nb_days = int(request.args.get('nb_days', 1000)) last_added_feed = FeedController().read().\ order_by(desc('created_date')).limit(1) if last_added_feed: last_added_feed_date = last_added_feed.all()[0].created_date else: last_added_feed_date = datetime.now() not_before = last_added_feed_date - timedelta(days=nb_days) filters = {} filters['created_date__gt'] = not_before feeds = FeedController().count_by_link(**filters) sorted_feeds = sorted(feeds.items(), key=operator.itemgetter(1), reverse=True) return render_template('popular.html', popular=sorted_feeds[:100]) @current_app.route('/about', methods=['GET']) @etag_match def about(): return render_template('about.html')