protected override async Task OnInitializedAsync()
{
await GetWidth();
// 40 is half the width of the spinner
int leftPos = (Width / 2) - 40;
leftPos = Math.Min(leftPos, 215);
LeftPosStr = leftPos.ToString() + "px";
StateHasChanged();
Performances = (await TJBarnesService.GetHttpClient()
.GetFromJsonAsync <PerformanceJson[]>("api/performances")).ToList();
}
protected async Task SaveDraft()
{
// Push the performance content to the API in JSON format
// Generate nickname if none
if (string.IsNullOrEmpty(Performance.Nickname))
{
StringBuilder sb = new StringBuilder();
int items = 0;
if (!string.IsNullOrEmpty(Performance.Location))
{
sb.Append(Performance.Location);
items++;
}
if (items == 0)
{
if (!string.IsNullOrEmpty(Performance.Platform))
{
sb.Append(Performance.Platform);
items++;
}
}
if (items > 0)
{
sb.Append(" ");
}
sb.Append(Performance.Date.ToString("yyyy-MM-dd"));
Performance.Nickname = sb.ToString();
}
PerformanceJson performanceJson = new PerformanceJson();
// If Id = 0 then this is a new performance so Push an initial PerformanceJson object
// to the API to get the new id
if (Performance.Id == 0)
{
// Do an initial post of a blank PerformanceJson object to get the new Id
HttpResponseMessage response = await TJBarnesService.GetHttpClient()
.PostAsJsonAsync("api/performances", performanceJson);
PerformanceJson returnValue = await response.Content.ReadFromJsonAsync <PerformanceJson>();
// Update the Performance object with the new id
Performance.Id = returnValue.Id;
}
// Now populate the performanceJson object
performanceJson.Id = Performance.Id;
performanceJson.Nickname = Performance.Nickname;
// Use the Serializer method of the JsonSerializer class (in the System.Text.Json namespace) to create
// a Json object from the Performance object
performanceJson.PerformanceContent = JsonSerializer.Serialize(Performance);
await TJBarnesService.GetHttpClient()
.PutAsJsonAsync($"api/performances/{Performance.Id}", performanceJson);
}