public async Task Upload()

in appx/Power BI Embedded/powerbi-sample-app/powerbi-sample-app/Controllers/DashboardController.cs [87:123]
35 lines of code
3 McCabe index (conditional complexity)

        public async Task<ActionResult> Upload(ReportUploadModel report)
        {
            string workspaceId = report.ReportCategory;
            // See if we have a new workspace name
            if (!String.IsNullOrWhiteSpace(report.NewReportCategory))
            {
                using (var client = new PowerBIReportClient(PowerBIToken.CreateProvisionToken(this.workspaceCollection), this.workspaceCollection, String.Empty))
                {
                    var newWorkspaceResult = await client.Workspaces.PostWorkspaceAsync(this.workspaceCollection);
                    this.workspaces.Workspaces.Add(new ReportWorkspace
                    {
                        DisplayName = report.NewReportCategory,
                        WorkspaceId = newWorkspaceResult.WorkspaceId,
                        Reports = new List<Report>(),
                    });
                    workspaceId = newWorkspaceResult.WorkspaceId;
                    // Update web.config
                    var webConfig = WebConfigurationManager.OpenWebConfiguration("~");
                    webConfig.AppSettings.Settings["WorkspaceMappings"].Value = String.Join(";", this.workspaces.Workspaces
                        .Select(workspace => String.Format("{0}|{1}", workspace.WorkspaceId, workspace.DisplayName)));
                    webConfig.Save();
                }
            }
            using (var client = new PowerBIReportClient(this.workspaceCollection, workspaceId))
            {
                var import = await client.Imports.PostImportWithFileAsync(this.workspaceCollection,
                    workspaceId,
                    report.PbixReport.InputStream,
                    report.ReportName);
                import = await client.WaitForImportToComplete(import);
                if (import.ImportState == PowerBIReportClient.StateSucceeded)
                {
                    return RedirectToAction("Report", new { workspaceId = workspaceId, reportId = import.Reports.First().Id });
                }
            }
            return RedirectToAction("Index");
        }