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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2014 Cédric Bonhomme - http://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: 0.1 $"
__date__ = "$Date: 2014/06/18 $"
__revision__ = "$Date: 2014/06/18 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "AGPLv3"
from functools import wraps
from flask import g, Response, request, session, jsonify
from flask.ext.restful import Resource, reqparse
from pyaggr3g470r import api, db
from pyaggr3g470r.models import User, Article
def authenticate(func):
"""
Decorator for the authentication to the web services.
"""
@wraps(func)
def wrapper(*args, **kwargs):
if not getattr(func, 'authenticated', True):
return func(*args, **kwargs)
# authentication based on the session (already logged on the site)
if 'email' in session or g.user.is_authenticated():
return func(*args, **kwargs)
# authentication via HTTP only
auth = request.authorization
try:
email = auth.username
user = User.query.filter(User.email == email).first()
if user and user.check_password(auth.password) and user.activation_key == "":
g.user = user
return func(*args, **kwargs)
except AttributeError:
pass
return Response('<Authentication required>', 401,
{'WWWAuthenticate':'Basic realm="Login Required"'})
return wrapper
class ArticleListAPI(Resource):
"""
Defines a RESTful API for Article elements.
"""
method_decorators = [authenticate]
def __init__(self):
#self.reqparse = reqparse.RequestParser()
#self.reqparse.add_argument('item_id', type = str, location = 'json')
#self.reqparse.add_argument('item_title', type = unicode, location = 'json')
super(ArticleListAPI, self).__init__()
def get(self):
"""
Returns a list of articles.
"""
feeds = {feed.id: feed.title for feed in g.user.feeds if feed.enabled}
articles = Article.query.filter(Article.feed_id.in_(feeds.keys()),
Article.user_id == g.user.id)
filter_ = request.args.get('filter_', 'unread')
feed_id = int(request.args.get('feed', 0))
limit = request.args.get('limit', 1000)
if filter_ != 'all':
articles = articles.filter(Article.readed == (filter_ == 'read'))
if feed_id:
articles = articles.filter(Article.feed_id == feed_id)
articles = articles.order_by(Article.date.desc())
if limit != 'all':
limit = int(limit)
articles = articles.limit(limit)
return jsonify(result= [{
"id": article.id,
"title": article.title,
"link": article.link,
"content": article.content,
"readed": article.readed,
"like": article.like,
"date": article.date,
"retrieved_date": article.retrieved_date,
"feed_id": article.source.id,
"feed_name": article.source.title
}
for article in articles]
)
def post(self):
"""
POST method - no sense here.
"""
response = jsonify({'code': 501, 'message': 'POST method not implemented for Article objects.'})
response.status_code = 501
return response
def put(self):
"""
PUT method - no sense here.
"""
response = jsonify({'code': 501, 'message': 'PUT method not implemented for Article objects.'})
response.status_code = 501
return response
def delete(self):
"""
DELETE method - no sense here.
"""
response = jsonify({'code': 501, 'message': 'DELETE method not implemented for Article objects.'})
response.status_code = 501
return response
class ArticleAPI(Resource):
"""
Defines a RESTful API for Article elements.
"""
method_decorators = [authenticate]
def __init__(self):
super(ArticleAPI, self).__init__()
def get(self, id=None):
"""
Returns an article.
"""
result = []
if id is not None:
article = Article.query.filter(Article.user_id == g.user.id, Article.id == id).first()
if article is not None:
if not article.readed:
article.readed = True
db.session.commit()
result.append(article)
return jsonify(result= [{
"id": article.id,
"title": article.title,
"link": article.link,
"content": article.content,
"readed": article.readed,
"like": article.like,
"date": article.date,
"retrieved_date": article.retrieved_date,
"feed_id": article.source.id,
"feed_name": article.source.title
}
for article in result]
)
def post(self):
"""
POST method - no sense here.
"""
response = jsonify({'code': 501, 'message': 'POST method not implemented for Article objects.'})
response.status_code = 501
return response
def put(self):
"""
PUT method - no sense here.
"""
response = jsonify({'code': 501, 'message': 'PUT method not implemented for Article objects.'})
response.status_code = 501
return response
def delete(self):
"""
DELETE method - no sense here.
"""
response = jsonify({'code': 501, 'message': 'DELETE method not implemented for Article objects.'})
response.status_code = 501
return response
api.add_resource(ArticleListAPI, '/api/v1.0/articles', endpoint = 'articles.json')
api.add_resource(ArticleAPI, '/api/v1.0/articles/<int:id>', endpoint = 'article.json')
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