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#! /usr/bin/env python
# -*- coding: utf-8 -*-

# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2015  Cédric Bonhomme - https://www.cedricbonhomme.org
#
# For more information : https://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# 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 desc


class Feed(db.Model):
    """
    Represent a feed.
    """
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(), default="")
    description = db.Column(db.String(), default="FR")
    link = db.Column(db.String())
    site_link = db.Column(db.String(), default="")
    enabled = db.Column(db.Boolean(), default=True)
    created_date = db.Column(db.DateTime(), default=datetime.now)
    filters = db.Column(db.PickleType, default=[])
    icon = db.Column(db.String(), default="")

    # cache handling
    etag = db.Column(db.String(), default="")
    last_modified = db.Column(db.String(), default="")
    last_retrieved = db.Column(db.DateTime(), default=datetime(1970, 1, 1))

    # error logging
    last_error = db.Column(db.String(), default="")
    error_count = db.Column(db.Integer(), default=0)

    # relationship
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
    articles = db.relationship('Article', backref='source', lazy='dynamic',
                               cascade='all,delete-orphan',
                               order_by=desc("Article.date"))

    def __repr__(self):
        return '<Feed %r>' % (self.title)

    def dump(self):
        return {"id": self.id,
                "user_id": self.user_id,
                "title": self.title,
                "description": self.description,
                "link": self.link,
                "site_link": self.site_link,
                "etag": self.etag,
                "icon": self.icon,
                "error_count": self.error_count,
                "last_modified": self.last_modified,
                "last_retrieved": self.last_retrieved}
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