private async void OnSave(object obj)
{
IsBusy = true;
try
{
// Thuc hien cong viec tai day
if (IsPercentage)
{
DiscountBindProp.Value = PercentBindProp;
DiscountBindProp.IsPercentage = true;
}
else
{
DiscountBindProp.Value = ValueBindProp;
DiscountBindProp.IsPercentage = false;
}
var discountToCreate = new DiscountForCreateDto(DiscountBindProp);
var json = JsonConvert.SerializeObject(discountToCreate);
var content = new StringContent(json, Encoding.UTF8, "application/json");
// Thuc hien cong viec tai day
using (var client = new HttpClient())
{
HttpResponseMessage response = new HttpResponseMessage();
if (DiscountBindProp.Id == Guid.Empty)
{
response = await client.PostAsync(Properties.Resources.BaseUrl + "discounts/", content);
}
else
{
response = await client.PutAsync(Properties.Resources.BaseUrl + "discounts/", content);
}
switch (response.StatusCode)
{
case HttpStatusCode.NoContent:
TempDiscount.Name = DiscountBindProp.Name;
TempDiscount.Value = DiscountBindProp.Value;
TempDiscount.MaxValue = DiscountBindProp.MaxValue;
TempDiscount.IsPercentage = DiscountBindProp.IsPercentage;
TempDiscount = null;
break;
case HttpStatusCode.Created:
var discount = JsonConvert.DeserializeObject <DiscountDto>(await response.Content.ReadAsStringAsync());
ListDiscountBindProp.Add(discount);
DiscountBindProp = new DiscountDto();
break;
}
};
IsOpen = false;
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
public async override void OnNavigatedTo(INavigationParameters parameters)
{
switch (parameters.GetNavigationMode())
{
case NavigationMode.Back:
if (parameters.ContainsKey("item"))
{
var item = parameters["item"] as ItemForInvoiceDto;
if (InvoiceBindProp == null)
{
InvoiceBindProp = new InvoiceDto();
}
InvoiceBindProp.Items.Add(item);
InvoiceBindProp.TotalPrice += item.Value;
}
if (parameters.ContainsKey(nameof(InvoiceBindProp)))
{
var invoice = parameters[nameof(InvoiceBindProp)] as InvoiceDto;
await _connection.InvokeAsync("DeleteInvoice", InvoiceBindProp.Id);
InvoiceBindProp = null;
TempInvoiceBindProp = null;
}
break;
case NavigationMode.New:
using (var client = new HttpClient())
{
var categoryTask = client.GetAsync(Properties.Resources.BaseUrl + "categories/");
var discountTask = client.GetAsync(Properties.Resources.BaseUrl + "discounts/");
var invoiceTask = client.GetAsync(Properties.Resources.BaseUrl + "invoices/");
var zoneTask = client.GetAsync(Properties.Resources.BaseUrl + "zones/");
var allTasks = new List <Task> {
categoryTask, discountTask, invoiceTask, zoneTask
};
while (allTasks.Any())
{
Task finished = await Task.WhenAny(allTasks);
if (finished == categoryTask)
{
if (categoryTask.Result.IsSuccessStatusCode)
{
var categories = JsonConvert.DeserializeObject <IEnumerable <CategoryDto> >(await categoryTask.Result.Content.ReadAsStringAsync());
foreach (var category in categories)
{
ListCategoryBindProp.Add(category);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await categoryTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
else if (finished == discountTask)
{
if (discountTask.Result.IsSuccessStatusCode)
{
var discounts = JsonConvert.DeserializeObject <IEnumerable <DiscountDto> >(await discountTask.Result.Content.ReadAsStringAsync());
foreach (var discount in discounts)
{
ListDiscountBindProp.Add(discount);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await discountTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
else if (finished == invoiceTask)
{
if (invoiceTask.Result.IsSuccessStatusCode)
{
var invoices = JsonConvert.DeserializeObject <IEnumerable <InvoiceDto> >(await invoiceTask.Result.Content.ReadAsStringAsync());
foreach (var invoice in invoices)
{
ListInvoiceBindProp.Add(invoice);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await invoiceTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
else if (finished == zoneTask)
{
if (zoneTask.Result.IsSuccessStatusCode)
{
var zones = JsonConvert.DeserializeObject <IEnumerable <ZoneDto> >(await zoneTask.Result.Content.ReadAsStringAsync());
foreach (var zone in zones)
{
ListZoneBindProp.Add(zone);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await zoneTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
allTasks.Remove(finished);
}
var id = Xamarin.Essentials.Preferences.Get("token", "token");
var response = await client.GetAsync(Properties.Resources.BaseUrl + "users/" + id);
if (response.IsSuccessStatusCode)
{
var user = JsonConvert.DeserializeObject <UserDto>(await response.Content.ReadAsStringAsync());
CurrentUserBindProp = user;
}
}
break;
case NavigationMode.Forward:
break;
case NavigationMode.Refresh:
break;
default:
break;
}
}