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# Copyright (C) 2014 Linaro Ltd.
#
# 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/>.
"""The RequetHandler for /subscription URLs."""
try:
import simplejson as json
except ImportError:
import json
from handlers.base import BaseHandler
from handlers.response import HandlerResponse
from handlers.common import SUBSCRIPTION_VALID_KEYS
from models import (
EMAIL_KEY,
SUBSCRIPTION_COLLECTION,
)
from utils.subscription import (
subscribe,
unsubscribe,
)
from utils.validator import is_valid_json
from utils.db import delete
class SubscriptionHandler(BaseHandler):
"""Handle the /subscription URLs."""
def __init__(self, application, request, **kwargs):
super(SubscriptionHandler, self).__init__(
application, request, **kwargs
)
@property
def collection(self):
return self.db[SUBSCRIPTION_COLLECTION]
@staticmethod
def _valid_keys(method):
return SUBSCRIPTION_VALID_KEYS.get(method, None)
def _post(self, *args, **kwargs):
response = HandlerResponse()
response.status_code = subscribe(self.db, kwargs['json_obj'])
response.result = None
response.reason = self._get_status_message(response.status_code)
return response
def _delete(self, doc_id):
response = HandlerResponse()
response.result = None
if self.request.body:
try:
json_obj = json.loads(self.request.body.decode('utf8'))
valid, reason = is_valid_json(
json_obj, self._valid_keys('DELETE')
)
if valid:
response.status_code = unsubscribe(
self.collection, doc_id, json_obj[EMAIL_KEY]
)
response.reason = self._get_status_message(
response.status_code
)
else:
response.status_code = 400
response.reason = reason
except ValueError:
response.status_code = 420
response.reason = "No JSON data found in the DELETE request"
else:
response.status_code = delete(self.collection, doc_id)
if response.status_code == 200:
response.reason = (
"Subscriptsions for resource %s deleted" % doc_id
)
return response
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