def login(request, response: Response, data: dict):
if not bool(request.session.get('user')):
if 'username' in data and 'password' in data:
username = data['username']
password = data['password']
if User.objects.filter(username=username).exists():
user = User.objects.get(username=username)
if user.check_password(password):
request.session['user'] = {
'username': user.username,
'email': user.email,
'first_name': user.first_name,
'last_name': user.last_name,
'login_at': str(datetime.datetime.now()),
}
if not request.session.session_key:
request.session.create()
response.set_cookie('sessionid', request.session.session_key)
response.data = {'login': '******',
'user': {
'username': user.username,
'email': user.email,
'first_name': user.first_name,
'last_name': user.last_name,
},
}
else:
response.data = {'login': '******'}
else:
response.data = {'login': '******'}
return response
def custom_exception_handler(exc, context):
# Call REST framework's default exception handler first,
# to get the standard error response.
response = exception_handler(exc, context)
if isinstance(exc, SQLDecodeError) and response is None:
response = Response(
{
'message': 'duplication error'
},
status=status.HTTP_400_BAD_REQUEST
)
elif response is not None:
data = response.data
response.data = {}
errors = []
try:
for field, value in data.items():
errors.append("{} : {}".format(field, " ".join(value)))
response.data['errors'] = errors
response.data['status'] = False
response.data['exception'] = str(exc)
except:
response = exception_handler(exc, context)
return response
return response
def custom_exception_handler(exc, context):
response = exception_handler(exc, context)
# custom exception processing
if response is None:
response = Response({"detail": str(exc)})
if isinstance(exc, exceptions.APIException):
if isinstance(exc, exceptions.ValidationError):
detail = format_ValidationError(exc)
response.data = {"detail": detail, "code": "ValidationError"}
else:
response.data = {
"detail": str(exc),
"code": exc.detail.code,
}
else:
exception_logger.exception(exc)
response.status_code = int(status.HTTP_500_INTERNAL_SERVER_ERROR)
return response
def custom_exception_handler(exc, context):
response = exception_handler(exc, context)
if isinstance(exc, ConcurrentUpdate):
tmp_response = Response(status=status.HTTP_400_BAD_REQUEST)
tmp_response.data = {}
tmp_response.data[
'Error'] = 'The current record was modified by others since last retrieval'
return tmp_response
elif isinstance(exc, MissingLastModificationDate):
tmp_response = Response(status=status.HTTP_400_BAD_REQUEST)
tmp_response.data = {}
tmp_response.data[
'Error'] = 'Current record has no modification time recorded'
return tmp_response
elif isinstance(exc, UserBeingUpdated):
tmp_response = Response(status=status.HTTP_400_BAD_REQUEST)
tmp_response.data = {}
tmp_response.data[
'Error'] = 'Current user is being updated by another request'
return tmp_response
return response
def get(self, request, format=None):
query = request.GET.get('q')
q_type = request.GET.get('type', 'all')
data = {"result": []}
if query:
if q_type != 'all':
res = self.perform_search(query, q_type)
else:
res = self.perform_search(
query, 'users') + self.perform_search(query, 'cases')
data['result'] = res
resp = Response()
resp.data = json.dumps(data)
resp.status = 200
return resp
def logout(request, response: Response, data: dict):
if not request.session.is_empty():
request.session.delete('user')
response.delete_cookie('sessionid')
response.data = {'login': '******'}
return response
