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import re
import dateutil.parser
from flask import request, g
from flask.ext.restful import Resource, reqparse
from pyaggr3g470r.models import Article, Feed
from pyaggr3g470r.controllers import ArticleController
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:
g.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]
controller_cls = ArticleController
editable_attrs = ['like', 'readed']
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__()
g.api.add_resource(ArticleListAPI, '/articles', endpoint='articles.json')
g.api.add_resource(ArticleAPI, '/articles/<int:obj_id>',
endpoint='article.json')
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