private async Task DeleteTopic()

in code/PublishToEmbeddedSocial/EmbeddedSocial/EmbeddedSocial.cs [277:330]
43 lines of code
12 McCabe index (conditional complexity)

        private async Task DeleteTopic(string topicName)
        {
            // get the handle for the topic name
            HttpOperationResponse<GetTopicByNameResponse> getTopicByNameOperationResponse = await this.client.Topics.GetTopicByNameWithHttpMessagesAsync(topicName: topicName, publisherType: PublisherType.App, authorization: this.authorization);

            // check response
            if (getTopicByNameOperationResponse == null || getTopicByNameOperationResponse.Response == null)
            {
                throw new Exception("got null response");
            }
            else if (!getTopicByNameOperationResponse.Response.IsSuccessStatusCode)
            {
                throw new Exception("request failed with HTTP code: " + getTopicByNameOperationResponse.Response.StatusCode + ", and reason: " + getTopicByNameOperationResponse.Response.ReasonPhrase);
            }
            else if (getTopicByNameOperationResponse.Body == null)
            {
                throw new Exception("got null response body");
            }
            else if (string.IsNullOrWhiteSpace(getTopicByNameOperationResponse.Body.TopicHandle))
            {
                throw new Exception("topicHandle is null or whitespace");
            }

            // delete the topic
            string topicHandle = getTopicByNameOperationResponse.Body.TopicHandle;
            HttpOperationResponse deleteTopicOperationResponse = await this.client.Topics.DeleteTopicWithHttpMessagesAsync(topicHandle: topicHandle, authorization: this.authorization);

            // check response
            if (deleteTopicOperationResponse == null || deleteTopicOperationResponse.Response == null)
            {
                throw new Exception("got null response");
            }
            else if (!deleteTopicOperationResponse.Response.IsSuccessStatusCode)
            {
                throw new Exception("request failed with HTTP code: " + deleteTopicOperationResponse.Response.StatusCode + ", and reason: " + deleteTopicOperationResponse.Response.ReasonPhrase);
            }

            // delete the topic name
            DeleteTopicNameRequest deleteTopicNameRequest = new DeleteTopicNameRequest()
            {
                PublisherType = PublisherType.App
            };
            HttpOperationResponse deleteTopicNameOperationResponse = await this.client.Topics.DeleteTopicNameWithHttpMessagesAsync(topicName: topicName, request: deleteTopicNameRequest, authorization: this.authorization);

            // check response
            if (deleteTopicNameOperationResponse == null || deleteTopicNameOperationResponse.Response == null)
            {
                throw new Exception("got null response");
            }
            else if (!deleteTopicNameOperationResponse.Response.IsSuccessStatusCode)
            {
                throw new Exception("request failed with HTTP code: " + deleteTopicNameOperationResponse.Response.StatusCode + ", and reason: " + deleteTopicNameOperationResponse.Response.ReasonPhrase);
            }
        }