func (s *httpServer) getExistingTopicFromQuery(req *http.Request) (url.Values, *nsqd.Topic, error) {
reqParams, err := url.ParseQuery(req.URL.RawQuery)
if err != nil {
nsqd.NsqLogger().LogErrorf("failed to parse request params - %s", err)
return nil, nil, http_api.Err{400, "INVALID_REQUEST"}
}
topicName, topicPart, err := http_api.GetTopicPartitionArgs(reqParams)
if err != nil {
return nil, nil, http_api.Err{400, err.Error()}
}
if topicPart == -1 {
topicPart = s.ctx.getDefaultPartition(topicName)
}
topic, err := s.ctx.getExistingTopic(topicName, topicPart)
if err != nil {
nsqd.NsqLogger().Logf("topic not found - %s-%v, %v", topicName, topicPart, err)
return nil, nil, http_api.Err{404, E_TOPIC_NOT_EXIST}
}
if topicPart != topic.GetTopicPart() {
return nil, nil, http_api.Err{http.StatusNotFound, "Topic partition not exist"}
}
return reqParams, topic, nil
}
func (s *httpServer) doDeleteTopic(w http.ResponseWriter, req *http.Request, ps httprouter.Params) (interface{}, error) {
reqParams, err := url.ParseQuery(req.URL.RawQuery)
if err != nil {
nsqd.NsqLogger().LogErrorf("failed to parse request params - %s", err)
return nil, http_api.Err{400, "INVALID_REQUEST"}
}
topicName, topicPart, err := http_api.GetTopicPartitionArgs(reqParams)
if err != nil {
return nil, http_api.Err{400, err.Error()}
}
if topicPart == -1 {
topicPart = s.ctx.getDefaultPartition(topicName)
}
err = s.ctx.deleteExistingTopic(topicName, topicPart)
if err != nil {
return nil, http_api.Err{404, E_TOPIC_NOT_EXIST}
}
return nil, nil
}