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

# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2013  Cédric Bonhomme - http://cedricbonhomme.org/
#
# For more information : http://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>

__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.3 $"
__date__ = "$Date: 2013/11/05 $"
__revision__ = "$Date: 2013/11/16 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"

from mongoengine import *
from datetime import datetime

from werkzeug import generate_password_hash, check_password_hash
from flask.ext.login import UserMixin

import bson.objectid

class User(Document, UserMixin):
    """
    Defines the model for a user.
    """
    firstname  = StringField(required=True)
    lastname = StringField(required = True)
    email = EmailField(required=True, unique=True)
    pwdhash = StringField(required=True)
    feeds = ListField(EmbeddedDocumentField('Feed'))
    created_at = DateTimeField(required=True, default=datetime.now)

    def get_id(self):
        return self.email

    def set_password(self, password):
        self.pwdhash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.pwdhash, password)

    #required for administrative interface
    def __unicode__(self):
        return self.email

class Feed(EmbeddedDocument):
    """
    Defines the model for a feed.
    """
    oid = ObjectIdField(default=bson.objectid.ObjectId , primary_key=True)
    title = StringField(required=True)
    description = StringField(default="")
    link = StringField(required=True, unique=True)
    site_link = StringField(required=True)
    email_notification = BooleanField(default=False)
    enabled = BooleanField(default=True)
    articles = ListField(ReferenceField('Article', dbref = False))
    created_date = DateTimeField(required=True, default=datetime.now)

    meta = {
        'ordering': ['+title']
    }

    def __eq__(self, other):
        return self.oid == other.oid

    def __str__(self):
        return 'Feed: %s' % self.title

class Article(Document):
    """
    Defines the model for an article.
    """
    date = DateTimeField(required=True)
    link = StringField(required=True, unique=True)
    title = StringField(required=True)
    content = StringField(required=True)
    readed = BooleanField()
    like = BooleanField()
    retrieved_date = DateTimeField(required=True, default=datetime.now)

    meta = {
        'ordering': ['-date'],
        'indexes': [
            {'fields': ['-date'],
              'sparse': True, 'types': False },
            {'fields': ['link'],
              'sparse': True, 'unique': True, 'types': False }
        ]
    }

    def __eq__(self, other):
        return self.link == other

    def __str__(self):
        return 'Article: %s' % self.title