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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# jarr - A Web based news aggregator.
# Copyright (C) 2010-2016 Cédric Bonhomme - https://www.cedricbonhomme.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 <http://www.gnu.org/licenses/>.
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.4 $"
__date__ = "$Date: 2013/11/05 $"
__revision__ = "$Date: 2014/04/12 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"
from bootstrap import db
from datetime import datetime
from sqlalchemy import asc, desc
from web.models.right_mixin import RightMixin
class Article(db.Model, RightMixin):
"Represent an article from a feed."
id = db.Column(db.Integer(), primary_key=True)
entry_id = db.Column(db.String())
link = db.Column(db.String())
title = db.Column(db.String())
content = db.Column(db.String())
readed = db.Column(db.Boolean(), default=False)
like = db.Column(db.Boolean(), default=False)
date = db.Column(db.DateTime(), default=datetime.now)
updated_date = db.Column(db.DateTime(), default=datetime.now)
retrieved_date = db.Column(db.DateTime(), default=datetime.now)
user_id = db.Column(db.Integer(), db.ForeignKey('user.id'))
feed_id = db.Column(db.Integer(), db.ForeignKey('feed.id'))
category_id = db.Column(db.Integer(), db.ForeignKey('category.id'))
# api whitelists
@staticmethod
def _fields_base_write():
return {'readed', 'like', 'feed_id', 'category_id'}
@staticmethod
def _fields_base_read():
return {'id', 'entry_id', 'link', 'title', 'content', 'date',
'retrieved_date', 'user_id'}
def previous_article(self):
"""
Returns the previous article (older).
"""
return Article.query.filter(Article.date < self.date,
Article.feed_id == self.feed_id)\
.order_by(desc("date")).first()
def next_article(self):
"""
Returns the next article (newer).
"""
return Article.query.filter(Article.date > self.date,
Article.feed_id == self.feed_id)\
.order_by(asc("date")).first()
def __repr__(self):
return "<Article(id=%d, entry_id=%s, title=%r, " \
"date=%r, retrieved_date=%r)>" % (self.id, self.entry_id,
self.title, self.date, self.retrieved_date)
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