private async Task UpdateRequest()

in certified-connectors/DocuSignDemo/script.csx [366:462]
80 lines of code
13 McCabe index (conditional complexity)

  private async Task UpdateRequest()
  {
    await this.UpdateApiEndpoint().ConfigureAwait(false);

    if ("SendDraftEnvelope".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      this.Context.Request.Content = new StringContent("{ \"status\": \"sent\" }", Encoding.UTF8, "application/json");
    }

    if ("CreateHookEnvelope".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      await this.TransformRequestJsonBody(this.CreateHookEnvelopeBodyTransformation).ConfigureAwait(false);
    }

    if ("CreateBlankEnvelope".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      await this.TransformRequestJsonBody(this.CreateBlankEnvelopeBodyTransformation).ConfigureAwait(false);
    }

    if ("CreateEnvelopeFromTemplate".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      await this.TransformRequestJsonBody(this.CreateEnvelopeFromTemplateBodyTransformation).ConfigureAwait(false);
    }

    if ("AddRecipientToEnvelope".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      await this.TransformRequestJsonBody(this.AddRecipientToEnvelopeBodyTransformation).ConfigureAwait(false);
    }

    if ("AddDocumentsToEnvelope".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      await this.TransformRequestJsonBody(this.AddDocumentsToEnvelopeBodyTransformation).ConfigureAwait(false);
    }

    if ("RemoveRecipientFromEnvelope".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      var newBody = new JObject();
      var query = HttpUtility.ParseQueryString(this.Context.Request.RequestUri.Query);
      newBody["signers"] = new JArray
            {
                new JObject
                {
                    ["recipientId"] = Uri.UnescapeDataString(query.Get("RemoveRecipientFromEnvelopeRecipientId")).Replace("+", " "),
                },
            };

      this.Context.Request.Content = CreateJsonContent(newBody.ToString());
    }

    if ("OnEnvelopeStatusChanges".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      var uriBuilder = new UriBuilder(this.Context.Request.RequestUri);
      var query = HttpUtility.ParseQueryString(this.Context.Request.RequestUri.Query);
      uriBuilder.Path = uriBuilder.Path.Replace("/trigger/accounts/", "/accounts/");
      var filterValue = query.Get("triggerState");
      if (string.IsNullOrEmpty(filterValue))
      {
        // initial trigger state to get existing items
        filterValue = DateTimeOffset.UtcNow.AddDays(-1).ToString("yyyy-MM-ddTHH:mm:ss.fffZ");
      }
      else
      {
        // remove triggerState
        query.Remove("triggerState");
      }

      query["from_date"] = filterValue;
      uriBuilder.Query = query.ToString();
      this.Context.Request.RequestUri = uriBuilder.Uri;
    }

    if ("GetDynamicSigners".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      var uriBuilder = new UriBuilder(this.Context.Request.RequestUri);
      uriBuilder.Path = uriBuilder.Path.Replace("/signers/accounts/", "/accounts/");
      this.Context.Request.RequestUri = uriBuilder.Uri;
    }

    if ("GetLoginAccounts".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      var uriBuilder = new UriBuilder(this.Context.Request.RequestUri);
      var query = HttpUtility.ParseQueryString(this.Context.Request.RequestUri.Query);
      query["include_account_id_guid"] = "true";
      uriBuilder.Query = query.ToString();
      this.Context.Request.RequestUri = uriBuilder.Uri;
    }

    // update Accept Header
    this.Context.Request.Headers.Accept.Clear();
    var acceptHeaderValue = "application/json";
    if ("GetDocuments".Equals(this.Context.OperationId, StringComparison.OrdinalIgnoreCase))
    {
      acceptHeaderValue = "application/pdf";
    }

    this.Context.Request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(acceptHeaderValue));
  }