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-#! /usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# pyAggr3g470r - A Web based news aggregator.
-# Copyright (C) 2010-2015 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: 0.2 $"
-__date__ = "$Date: 2014/06/18 $"
-__revision__ = "$Date: 2014/07/05 $"
-__copyright__ = "Copyright (c) Cedric Bonhomme"
-__license__ = "AGPLv3"
-
-import re
-import dateutil.parser
-from functools import wraps
-from flask import g, Response, request, session, jsonify
-from flask.ext.restful import Resource, reqparse
-
-import conf
-if not conf.ON_HEROKU:
- import pyaggr3g470r.search as fastsearch
-from pyaggr3g470r import api, db
-from pyaggr3g470r.models import User, Article, Feed
-
-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('title', type = unicode, location = 'json')
- self.reqparse.add_argument('content', type = unicode, location = 'json')
- self.reqparse.add_argument('link', type = unicode, location = 'json')
- self.reqparse.add_argument('date', type = str, location = 'json')
- self.reqparse.add_argument('feed_id', type = int, 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 - Create a new article.
- """
- args = self.reqparse.parse_args()
- article_dict = {}
- for k, v in args.iteritems():
- if v != None:
- article_dict[k] = v
- else:
- return {"message":"Missing argument: %s." % (k,)}
- article_date = None
- try:
- article_date = dateutil.parser.parse(article_dict["date"], dayfirst=True)
- except:
- try: # trying to clean date field from letters
- article_date = dateutil.parser.parse(re.sub('[A-z]', '', article_dict["date"], dayfirst=True))
- except:
- return jsonify({"message":"Bad format for the date."})
- article = Article(link=article_dict["link"], title=article_dict["title"],
- content=article_dict["content"], readed=False, like=False,
- date=article_date, user_id=g.user.id,
- feed_id=article_dict["feed_id"])
- feed = Feed.query.filter(Feed.id == article_dict["feed_id"], Feed.user_id == g.user.id).first()
- feed.articles.append(article)
- try:
- db.session.commit()
- return jsonify({"message":"ok"})
- except:
- return jsonify({"message":"Impossible to create the article."})
-
-class ArticleAPI(Resource):
- """
- Defines a RESTful API for Article elements.
- """
- method_decorators = [authenticate]
-
- def __init__(self):
- self.reqparse = reqparse.RequestParser()
- self.reqparse.add_argument('like', type = bool, location = 'json')
- self.reqparse.add_argument('readed', type = bool, location = 'json')
- 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 put(self, id):
- """
- Update an article.
- It is only possible to update the status ('like' and 'readed') of an article.
- """
- args = self.reqparse.parse_args()
- article = Article.query.filter(Article.id == id).first()
- if article is not None and article.source.subscriber.id == g.user.id:
- if None is not args.get('like', None):
- article.like = args['like']
- if None is not args.get('readed', None):
- article.readed = args['readed']
- db.session.commit()
-
- try:
- fastsearch.delete_article(g.user.id, article.feed_id, article.id)
- except:
- pass
-
- return jsonify({"message":"ok"})
- else:
- return jsonify({'message': 'Article not found.'})
-
- def delete(self, id):
- """
- Delete an article.
- """
- article = Article.query.filter(Article.id == id).first()
- if article is not None and article.source.subscriber.id == g.user.id:
- db.session.delete(article)
- db.session.commit()
- return jsonify({"message":"ok"})
- else:
- return jsonify({'message': 'Article not found.'})
-
-api.add_resource(ArticleListAPI, '/api/v1.0/articles', endpoint = 'articles.json')
-api.add_resource(ArticleAPI, '/api/v1.0/articles/<int:id>', endpoint = 'article.json')
-
-class FeedListAPI(Resource):
- """
- Defines a RESTful API for Feed elements.
- """
- method_decorators = [authenticate]
-
- def __init__(self):
- self.reqparse = reqparse.RequestParser()
- self.reqparse.add_argument('title', type = unicode, default = "", location = 'json')
- self.reqparse.add_argument('description', type = unicode, default = "", location = 'json')
- self.reqparse.add_argument('link', type = unicode, location = 'json')
- self.reqparse.add_argument('site_link', type = unicode, default = "", location = 'json')
- self.reqparse.add_argument('email_notification', type = bool, default = False, location = 'json')
- self.reqparse.add_argument('enabled', type = bool, default = True ,location = 'json')
- super(FeedListAPI, self).__init__()
-
- def get(self):
- """
- Returns a list of feeds.
- """
- return jsonify(result= [{
- "id": feed.id,
- "title": feed.title,
- "description": feed.description,
- "link": feed.link,
- "site_link": feed.site_link,
- "email_notification": feed.email_notification,
- "enabled": feed.enabled,
- "created_date": feed.created_date
- }
- for feed in g.user.feeds]
- )
-
- def post(self):
- """
- POST method - Create a new feed.
- """
- args = self.reqparse.parse_args()
- feed_dict = {}
- for k, v in args.iteritems():
- if v != None:
- feed_dict[k] = v
- else:
- return jsonify({'message': 'missing argument: %s' % (k,)})
- new_feed = Feed(title=feed_dict["title"], description=feed_dict["description"],
- link=feed_dict["link"], site_link=feed_dict["site_link"],
- email_notification=feed_dict["email_notification"],
- enabled=feed_dict["enabled"])
- g.user.feeds.append(new_feed)
- try:
- db.session.commit()
- return jsonify({"message":"ok"})
- except:
- return jsonify({'message': 'Impossible to create the feed.'})
-
-class FeedAPI(Resource):
- """
- Defines a RESTful API for Feed elements.
- """
- method_decorators = [authenticate]
-
- def __init__(self):
- self.reqparse = reqparse.RequestParser()
- self.reqparse.add_argument('title', type = unicode, location = 'json')
- self.reqparse.add_argument('description', type = unicode, location = 'json')
- self.reqparse.add_argument('link', type = unicode, location = 'json')
- self.reqparse.add_argument('site_link', type = unicode, location = 'json')
- self.reqparse.add_argument('email_notification', type = bool, location = 'json')
- self.reqparse.add_argument('enabled', type = bool ,location = 'json')
- super(FeedAPI, self).__init__()
-
- def get(self, id=None):
- """
- Returns a feed.
- """
- result = []
- if id is not None:
- feed = Feed.query.filter(Feed.id == id, Feed.user_id == g.user.id).first()
- if feed is not None:
- result.append(feed)
- return jsonify(result= [{
- "id": feed.id,
- "title": feed.title,
- "description": feed.description,
- "link": feed.link,
- "site_link": feed.site_link,
- "nb_articles": feed.articles.count()
- }
- for feed in result]
- )
- return jsonify({'message': 'Feed not found'})
-
- def put(self, id):
- """
- Update a feed.
- """
- args = self.reqparse.parse_args()
- feed = Feed.query.filter(Feed.id == id, Feed.user_id == g.user.id).first()
- if feed is not None:
- if None is not args.get('title', None):
- feed.title = args['title']
- if None is not args.get('description', None):
- feed.description = args['description']
- if None is not args.get('link', None):
- feed.link = args['link']
- if None is not args.get('site_link', None):
- feed.site_link = args['site_link']
- if None is not args.get('email_notification', None):
- feed.email_notification = args['email_notification']
- if None is not args.get('enabled', None):
- feed.enabled = args['enabled']
- db.session.commit()
- return jsonify({"message":"ok"})
- else:
- return jsonify({'message': 'Feed not found.'})
-
- def delete(self, id):
- """
- Delete a feed.
- """
- feed = Feed.query.filter(Feed.id == id, Feed.user_id == g.user.id).first()
- if feed is not None:
- db.session.delete(feed)
- db.session.commit()
- return jsonify({"message":"ok"})
- else:
- return jsonify({'message': 'Feed not found.'})
-
-api.add_resource(FeedListAPI, '/api/v1.0/feeds', endpoint = 'feeds.json')
-api.add_resource(FeedAPI, '/api/v1.0/feeds/<int:id>', endpoint = 'feed.json') \ No newline at end of file
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