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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')
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