From b35e9773198ef2d8b37c4ca223f08147db47de0b Mon Sep 17 00:00:00 2001 From: François Schmidts Date: Sat, 12 Dec 2015 21:14:28 +0100 Subject: moving the root of source code from / to /src/ --- src/web/controllers/feed.py | 70 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/web/controllers/feed.py (limited to 'src/web/controllers/feed.py') diff --git a/src/web/controllers/feed.py b/src/web/controllers/feed.py new file mode 100644 index 00000000..15be8663 --- /dev/null +++ b/src/web/controllers/feed.py @@ -0,0 +1,70 @@ +#! /usr/bin/env python +# -*- coding: utf-8 -*- + +# jarr - A Web based news aggregator. +# Copyright (C) 2010-2015 Cédric Bonhomme - https://www.JARR-aggregator.org +# +# For more information : https://github.com/JARR-aggregator/JARR/ +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see . + +import logging +from datetime import datetime, timedelta + +import conf +from .abstract import AbstractController +from .icon import IconController +from web.models import Feed + +logger = logging.getLogger(__name__) +DEFAULT_LIMIT = 5 +DEFAULT_REFRESH_RATE = 60 +DEFAULT_MAX_ERROR = conf.DEFAULT_MAX_ERROR + + +class FeedController(AbstractController): + _db_cls = Feed + + def list_late(self, max_last, max_error=DEFAULT_MAX_ERROR, + limit=DEFAULT_LIMIT): + return [feed for feed in self.read( + error_count__lt=max_error, enabled=True, + last_retrieved__lt=max_last) + .order_by('last_retrieved') + .limit(limit)] + + def list_fetchable(self, max_error=DEFAULT_MAX_ERROR, limit=DEFAULT_LIMIT, + refresh_rate=DEFAULT_REFRESH_RATE): + now = datetime.now() + max_last = now - timedelta(minutes=refresh_rate) + feeds = self.list_late(max_last, max_error, limit) + if feeds: + self.update({'id__in': [feed.id for feed in feeds]}, + {'last_retrieved': now}) + return feeds + + def _ensure_icon(self, attrs): + if not attrs.get('icon_url'): + return + icon_contr = IconController() + if not icon_contr.read(url=attrs['icon_url']).count(): + icon_contr.create(**{'url': attrs['icon_url']}) + + def create(self, **attrs): + self._ensure_icon(attrs) + return super().create(**attrs) + + def update(self, filters, attrs): + self._ensure_icon(attrs) + return super().update(filters, attrs) -- cgit