def post(self, request, format=None):
"""
Method used to create a new Keyword object.
If the provided keyword already exists, the existing one is returned.
The object data is provided in a serialized format.
@param request: HttpRequest used to provide keywords data.
@type request: HttpRequest
@param format: The format used for object serialization.
@type format: string
@return: HttpResponse containing the id of the new Keyword object, error otherwise.
@rtype: HttpResponse
"""
logger.debug('Creating a new Keyword object')
if 'description' in request.data:
kw = find_keyword(request.data['description'])
if kw:
serializer = KeywordSerializer(kw)
logger.debug('Keyword object found for string - ' + str(kw.description))
return Response(serializer.data, status=status.HTTP_201_CREATED)
serializer = KeywordSerializer(data=request.data)
if serializer.is_valid() :
serializer.save()
logger.debug('New Keyword object saved ')
return Response(serializer.data, status=status.HTTP_201_CREATED)
logger.error('Provided data not valid for Keyword object')
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def put(self, request, pk, format=None):
"""
Method used to update a Keyword object data, providing all
fresh data in a serialized form.
@param request: HttpRequest containing the updated Keyword field data.
@type request: HttpRequest
@param pk: Keyword primary key, used to retrieve object data.
@type pk: int
@param format: Format used for data serialization.
@type format: string
@return: HttpResponse
@rtype: HttpResponse
"""
with edit_lock:
# check if the keyword already exists
if 'description' in request.data:
kw = find_keyword(request.data['description'])
if kw:
serializer = KeywordSerializer(kw)
logger.debug('Keyword object found for string - ' + str(kw.description))
return Response(serializer.data, status=status.HTTP_200_OK)
keyword = self.get_object(pk)
serializer = KeywordSerializer(keyword, data=request.data, partial=True)
if serializer.is_valid():
serializer.save()
logger.debug('Updated data for Keyword object with id ' + str(pk))
return Response(serializer.data)
logger.error('Error on update of Keyword object with id' + str(pk))
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
