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authorFrançois Schmidts <francois.schmidts@gmail.com>2015-01-15 17:42:54 +0100
committerFrançois Schmidts <francois.schmidts@gmail.com>2015-03-03 22:22:14 +0100
commitcc2829c95c391043653a3bd543176f3c92f49d72 (patch)
treeb36466f6cceefd7a5b5d7720ffbedb282cd0d69b /pyaggr3g470r/views/api
parentglobal esthetics tweak (diff)
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splitting and refactoring the Restful api part
Diffstat (limited to 'pyaggr3g470r/views/api')
-rw-r--r--pyaggr3g470r/views/api/__init__.py31
-rw-r--r--pyaggr3g470r/views/api/article.py125
-rw-r--r--pyaggr3g470r/views/api/common.py79
-rw-r--r--pyaggr3g470r/views/api/feed.py109
4 files changed, 344 insertions, 0 deletions
diff --git a/pyaggr3g470r/views/api/__init__.py b/pyaggr3g470r/views/api/__init__.py
new file mode 100644
index 00000000..e11cdd95
--- /dev/null
+++ b/pyaggr3g470r/views/api/__init__.py
@@ -0,0 +1,31 @@
+#! /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"
+
+from pyaggr3g470r.views.api import article, feed
+
+__all__ = ['article', 'feed']
diff --git a/pyaggr3g470r/views/api/article.py b/pyaggr3g470r/views/api/article.py
new file mode 100644
index 00000000..c509b0a8
--- /dev/null
+++ b/pyaggr3g470r/views/api/article.py
@@ -0,0 +1,125 @@
+import re
+import dateutil.parser
+
+import conf
+if not conf.ON_HEROKU:
+ import pyaggr3g470r.search as fastsearch
+
+from flask import request, g
+from flask.ext.restful import Resource, reqparse
+
+from pyaggr3g470r import api, db
+from pyaggr3g470r.models import Article, Feed
+from pyaggr3g470r.views.api.common import authenticate, to_response, \
+ PyAggResource
+
+
+class ArticleListAPI(Resource):
+ """
+ Defines a RESTful API for Article elements.
+ """
+ method_decorators = [authenticate, to_response]
+
+ 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 {'result': [article.dump() 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,)}, 400
+ 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 {"message": "Bad format for the date."}, 400
+ 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 {"message": "ok"}, 201
+ except:
+ return {"message": "Impossible to create the article."}, 500
+
+
+class ArticleAPI(PyAggResource):
+ "Defines a RESTful API for Article elements."
+ method_decorators = [authenticate, to_response]
+ db_cls = Article
+
+ 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):
+ article = self._get_or_raise(id)
+ if not article.readed:
+ article.readed = True
+ db.session.commit()
+ return {'result': [article.dump()]}
+
+ 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 = self._get_or_raise(id)
+ if 'like' in args:
+ article.like = args['like']
+ if 'readed' in args:
+ article.readed = args['readed']
+ db.session.commit()
+
+ try:
+ fastsearch.delete_article(g.user.id, article.feed_id, article.id)
+ except:
+ pass
+ return {"message": "ok"}
+
+
+api.add_resource(ArticleListAPI, '/api/v1.0/articles',
+ endpoint='articles.json')
+api.add_resource(ArticleAPI, '/api/v1.0/articles/<int:id>',
+ endpoint='article.json')
diff --git a/pyaggr3g470r/views/api/common.py b/pyaggr3g470r/views/api/common.py
new file mode 100644
index 00000000..872c4ae1
--- /dev/null
+++ b/pyaggr3g470r/views/api/common.py
@@ -0,0 +1,79 @@
+from functools import wraps
+from flask import request, g, session, Response, jsonify
+from flask.ext.restful import Resource
+
+from pyaggr3g470r import db
+from pyaggr3g470r.models import User
+
+
+class HttpError(Exception):
+ pass
+
+
+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
+
+
+def to_response(func):
+ def wrapper(*args, **kwargs):
+ try:
+ res = func(*args, **kwargs)
+ except HttpError, error:
+ return Response(*error.args)
+ if isinstance(res, tuple):
+ response = jsonify(**res[0])
+ if len(res) > 1:
+ response.status_code = res[1]
+ return response
+ return res
+ return wrapper
+
+
+class PyAggResource(Resource):
+ db_cls = None
+
+ def _get_or_raise(self, obj_id=None):
+ if obj_id is None:
+ raise HttpError({'message': 'No id given'}, 400)
+ obj = self.db_cls.query.filter(self.db_cls.id == obj_id).first()
+ if obj is None:
+ raise HttpError({'message': 'Article not found'}, 404)
+ if obj.user_id != g.user.id:
+ raise HttpError({'message': "Unauthorized for %s."
+ % self.db_cls.__class__.__name__}, 403)
+ return obj
+
+ def get(self, id=None):
+ return {'result': [self._get_or_raise(id).dump()]}
+
+ def delete(self, id):
+ """Delete a feed."""
+ feed = self._get_or_raise(id)
+ db.session.delete(feed)
+ db.session.commit()
+ return {"message": "ok"}, 204
diff --git a/pyaggr3g470r/views/api/feed.py b/pyaggr3g470r/views/api/feed.py
new file mode 100644
index 00000000..e5937128
--- /dev/null
+++ b/pyaggr3g470r/views/api/feed.py
@@ -0,0 +1,109 @@
+from flask import g
+from flask.ext.restful import Resource, reqparse
+
+from pyaggr3g470r import api, db
+from pyaggr3g470r.models import Feed
+
+from pyaggr3g470r.views.api.common import authenticate, to_response, \
+ PyAggResource
+
+
+class FeedListAPI(Resource):
+ """
+ Defines a RESTful API for Feed elements.
+ """
+ method_decorators = [authenticate, to_response]
+
+ 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 {'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 {'message': 'missing argument: %s' % (k,)}, 400
+ 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 {"message": "ok"}
+ except:
+ return {'message': 'Impossible to create the feed.'}, 500
+
+
+class FeedAPI(PyAggResource):
+ "Defines a RESTful API for Feed elements."
+ method_decorators = [authenticate, to_response]
+ db_cls = Feed
+
+ 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 put(self, id):
+ "Update a feed"
+ args = self.reqparse.parse_args()
+ feed = self.get_feed_or_raise(id)
+ if 'title' in args:
+ feed.title = args['title']
+ if 'description' in args:
+ feed.description = args['description']
+ if 'link' in args:
+ feed.link = args['link']
+ if 'site_link' in args:
+ feed.site_link = args['site_link']
+ if 'email_notification' in args:
+ feed.email_notification = args['email_notification']
+ if 'enabled' in args:
+ feed.enabled = args['enabled']
+ db.session.commit()
+ return {"message": "ok"}
+
+
+api.add_resource(FeedListAPI, '/api/v1.0/feeds', endpoint = 'feeds.json')
+api.add_resource(FeedAPI, '/api/v1.0/feeds/<int:id>', endpoint = 'feed.json')
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