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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"
import re
import json
import random
import hashlib
from datetime import datetime
from flask import g
from sqlalchemy import asc, desc
from werkzeug import generate_password_hash, check_password_hash
from flask.ext.login import UserMixin
db = g.db
class User(db.Model, UserMixin):
"""
Represent a user.
"""
id = db.Column(db.Integer, primary_key=True)
nickname = db.Column(db.String(), unique=True)
email = db.Column(db.String(254), index=True, unique=True)
pwdhash = db.Column(db.String())
roles = db.relationship('Role', backref='user', lazy='dynamic')
activation_key = db.Column(db.String(128), default=hashlib.sha512(
str(random.getrandbits(256)).encode("utf-8")).hexdigest()[:86])
date_created = db.Column(db.DateTime(), default=datetime.now)
last_seen = db.Column(db.DateTime(), default=datetime.now)
feeds = db.relationship('Feed', backref='subscriber', lazy='dynamic',
cascade='all,delete-orphan')
refresh_rate = db.Column(db.Integer, default=60) # in minutes
@staticmethod
def make_valid_nickname(nickname):
return re.sub('[^a-zA-Z0-9_\.]', '', nickname)
def get_id(self):
"""
Return the id (email) of the user.
"""
return self.email
def set_password(self, password):
"""
Hash the password of the user.
"""
self.pwdhash = generate_password_hash(password)
def check_password(self, password):
"""
Check the password of the user.
"""
return check_password_hash(self.pwdhash, password)
def is_admin(self):
"""
Return True if the user has administrator rights.
"""
return len([role for role in self.roles if role.name == "admin"]) != 0
def __eq__(self, other):
return self.id == other.id
def __repr__(self):
return '<User %r>' % (self.nickname)
class Role(db.Model):
"""
Represent a role.
"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(), unique=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
class Feed(db.Model):
"""
Represent a station.
"""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(), default="No title")
description = db.Column(db.String(), default="FR")
link = db.Column(db.String())
site_link = db.Column(db.String(), default="")
email_notification = db.Column(db.Boolean(), default=False)
enabled = db.Column(db.Boolean(), default=True)
created_date = db.Column(db.DateTime(), default=datetime.now)
# cache handling
etag = db.Column(db.String(), default="")
last_modified = db.Column(db.String(), default="")
last_retreived = 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,
"title": self.title,
"description": self.description,
"link": self.link,
"site_link": self.site_link,
"etag": self.etag,
"error_count": self.error_count,
"last_modified": self.last_modified,
"last_retreived": self.last_retreived}
class Article(db.Model):
"""
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)
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'))
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("Article.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("Article.date")).first()
def __repr__(self):
return json.dumps({
"title": self.title,
"link": self.link,
"content": self.content
})
def dump(self):
return {"id": self.id,
"title": self.title,
"link": self.link,
"content": self.content,
"readed": self.readed,
"like": self.like,
"date": self.date,
"retrieved_date": self.retrieved_date,
"feed_id": self.source.id,
"feed_name": self.source.title}
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