async Task ExecuteLoadItemsCommand()
{
try
{
Pembelians.Clear();
var pembelians = await PembelianService.GetPembelians();
foreach (var item in pembelians)
{
Pembelians.Add(item);
}
await Task.Delay(500);
Items.Clear();
Source = await IncomingService.Load();
if (Source.Model != null)
{
Model = Source.Model;
foreach (var item in Source.Datas)
{
item.UpdateEvent += Item_UpdateEvent;
Items.Add(item);
}
}
}
catch (Exception ex)
{
await Toas.ShowLong($"Error : {ex.Message}");
}
finally
{
IsBusy = false;
}
}
private async void CameraAction(object obj)
{
try
{
IsBusy = true;
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
{
await MessageHelper.ErrorAsync(":( Permission not granted to photos.");
return;
}
var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
{
PhotoSize = Plugin.Media.Abstractions.PhotoSize.Medium,
Directory = "Pictures",
Name = "image.jpg"
});
if (file == null)
{
return;
}
var image = new ProductImage
{
ProductId = Model.Id
};
var stream = file.GetStream();
using (MemoryStream ms = new MemoryStream())
{
stream.CopyTo(ms);
image.Buffer = ms.ToArray();
}
file.Dispose();
image = await Products.AddPhoto(image);
if (image != null)
{
Model.ProductImage.Add(image);
Pictures.Add(new ProductImageModel(image));
await Toas.ShowLong("Success !");
}
}
catch (Exception ex)
{
await MessageHelper.ErrorAsync(ex.Message);
}
finally
{
IsBusy = false;
}
}
protected override bool OnBackButtonPressed()
{
countPress++;
if (countPress >= 2)
{
return(base.OnBackButtonPressed());
}
Toas.ShowLong("Tekan Sekali Lagi Untuk Keluar !");
Task.Run(() => ClearCount());
return(true);
}
private async void ScanAction(object obj)
{
try
{
var barcodeScan = new InputBarcodeView();
var vmScanBarcode = new InputBarcodeViewModel();
barcodeScan.BindingContext = vmScanBarcode;
vmScanBarcode.OnResultScanHandler += async(dynamic result) => {
if (result.Type == "Auto")
{
string article = result.Article.ToString();
var data = Items.Where(x => x.Product.CodeArticle == article).FirstOrDefault();
if (data != null)
{
data.ActualValue++;
await Toas.ShowLong($"{data.Product.Name} , Amount : {data.ActualValue}");
}
else
{
await Toas.ShowLong($"Error : {result.Article.ToString()} Not Found !");
}
}
else
{
string article = (string)result.Article;
var data = Items.Where(x => x.Product.CodeArticle == article).FirstOrDefault();
if (data != null)
{
data.ActualValue += (double)result.Count;
await Toas.ShowLong($"{data.Product.Name} , Amount : {data.ActualValue}");
}
else
{
await Toas.ShowLong($"Error : {result.Article} Not Found !");
}
}
};
await Shell.Current.Navigation.PushModalAsync(barcodeScan);
}
catch (Exception ex)
{
await Toas.ShowLong($"Error : {ex.Message}");
}
}
private async void Vm_OnResultScanHandler(dynamic result)
{
if (result != null)
{
string article = result.Article.ToString();
var data = Datas.Where(x => x.Product.CodeArticle == article).FirstOrDefault();
if (data != null)
{
double max = data.Amount - data.Real;
if (max <= 0)
{
await Toas.ShowLong($"Sorry, {data.Product.Name}-{data.Product.Size}, Sudah Lengkap");
return;
}
if (result.Type == "Auto")
{
data.Real += max < 0.5 ? max : 0.5;
await Toas.ShowLong($"{data.Product.Name}-{data.Product.Size}, Jumlah: {data.Real} {data.Unit.Name}, Dari : {data.Amount} { data.Unit.Name}");
}
else
{
if ((double)result.Count > max)
{
await Toas.ShowLong($"Sorry, {data.Product.Name}-{data.Product.Size} hanya kurang : {max} {data.Unit.Name}");
}
else
{
data.Real += (double)result.Count;
await Toas.ShowLong($"{data.Product.Name}-{data.Product.Size}, Jumlah: {data.Real} {data.Unit.Name}, Dari : {data.Amount} { data.Unit.Name}");
return;
}
}
}
else
{
await Toas.ShowLong($"Error : {result.Article.ToString()} Tidak Ada Diorder !");
}
}
}
private async void Load()
{
var vm = new InputBarcodeViewModel();
vm.AutoCount = true;
vm.ShowAutoCount = false;
var form = new InputBarcodeView()
{
BindingContext = vm
};
vm.OnResultScanHandler += async(dynamic result) => {
if (result != null && result.Article != null)
{
var products = await DependencyService.Get <IProductService>().GetProductStock();
if (products != null)
{
var data = products.Where(x => x.CodeArticle == result.Article).FirstOrDefault();
if (data != null)
{
await Shell.Current.Navigation.PopModalAsync();
var detailForm = new ProductDetailView()
{
BindingContext = new ProductDetailViewModel(data)
};
await Shell.Current.Navigation.PushAsync(detailForm);
return;
}
}
}
await Toas.ShowLong($"{result.Article} Not Found !");
};
await Shell.Current.Navigation.PushModalAsync(form);
}
private async void RemoveImageAction(object obj)
{
try
{
var model = (ProductImageModel)obj;
var deleted = await Products.RemovePhoto(model.Id);
if (deleted)
{
Pictures.Remove(model);
var item = Model.ProductImage.SingleOrDefault(x => x.Id == model.Id);
if (item != null)
{
Model.ProductImage.Remove(item);
}
await Toas.ShowLong("Delete Success !");
}
}
catch (Exception ex)
{
await MessageHelper.ErrorAsync(ex.Message);
}
}