async Task AddContentToCart(Sku item)
{
try
{
UserDialogService.ShowLoading("正在添加商品");
var result = await PosSDK.CallAPI <Cart>("/cart/add-item", new
{
cartId = currentCart.Id,
skuId = item.Id,
quantity = 1
});
CurrentCart = result.Result;
RaisePropertyChanged(() => CurrentCart);
RaisePropertyChanged(() => SubTotalAndQty);
}
catch (Exception e)
{
throw (e);
}
finally
{
UserDialogService.HideLoading();
}
}
public CartViewModel()
{
MessagingCenter.Subscribe <Cart>(this, "SendCart", (c) => {
CurrentCart = c;
CartItems = new ObservableRangeCollection <CartItem>(c.Items);
});
MessagingCenter.Subscribe <CartItem>(this, "DeletecartItem", async(i) => {
ApiResult <Cart> cartResult = await PosSDK.CallAPI <Cart>("/cart/remove-item", new
{
cartId = i.Id,
skuId = i.Sku.Id,
quantity = i.Quantity
});
if (cartResult.Success == true)
{
CurrentCart = cartResult.Result;
MessagingCenter.Send <Cart>(CurrentCart, "ChangeCart");
}
});
Messenger.Default.Register <string>(this, "OrderPayComplete", m =>
{
CurrentCart = null;
CartItems = null;
SelectedItem = null;
});
}
async Task ExecuteLoadItemsCommand()
{
try
{
UserDialogService.ShowLoading("查询中");
Contents.Clear();
var result = await PosSDK.CallAPI <ListResult <Sku> >("/catalog/search-skus", new
{
q = SearchText
});
Contents.ReplaceRange(result.Result.Items);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
UserDialogService.HideLoading();
}
}
async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Contents.Clear();
var result = await PosSDK.CallAPI <ListResult <Content> >("/catalog/search-contents");
Contents.ReplaceRange(result.Result.Items);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
async Task Load(long contentId)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
var result = await PosSDK.CallAPI <Content>("/catalog/get-content", new { id = contentId });
//Skus = new ObservableRangeCollection<Sku>(result.Result.Skus);
Skus.ReplaceRange(result.Result.Skus);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
public PayPrepareViewModel(IUserDialogService dialogService)
{
//CurrentCart = cart;
MessagingCenter.Subscribe <Cart>(this, "PaymentStart", async(s) =>
{
CurrentCart = s;
if (RemainAmt == 0)
{
dialogService.ShowLoading("保存销售中");
try
{
var result = await PosSDK.CallAPI <Cart>("/order/place-order", new
{
cartId = this.CartId
});
if (result.Success == true)
{
Messenger.Default.Send <string>(string.Empty, "OrderPayComplete");
}
}
catch (Exception)
{
}
finally {
dialogService.HideLoading();
}
}
});
}
async Task RemoveContentFromCart(Sku item)
{
var result = await PosSDK.CallAPI <Cart>("/cart/remove-item", new
{
cartId = currentCart.Id,
skuId = item.Id,
quantity = 1
});
CurrentCart = result.Result;
}
async Task CreateNewCart(Sku item)
{
var result = await PosSDK.CallAPI <Cart>("/cart/create-cart");
currentCart = result.Result;
await AddContentToCart(item);
currentCart = result.Result;
MessagingCenter.Send <Cart>(currentCart, "NewCart");
}
async Task RemoveContentFromCart(Sku item)
{
var result = await PosSDK.CallAPI <Cart>("/cart/remove-item", new
{
cartId = currentCart.Id,
skuId = item.Id,
quantity = 1
});
currentCart = result.Result;
MessagingCenter.Send <Cart>(currentCart, "NewCart");
}
async Task CreateHandCardPay()
{
var result = await PosSDK.CallAPI <Cart>("/cart/set-payment", new
{
cartId = CartId,
method = "HandCard",
amount = ReceivedAmt,
});
if (result.Success == true)
{
MessagingCenter.Send <Cart>(result.Result, "PaymentStart");
MessagingCenter.Send <object>(null, "HandCardPayComplete");
}
}
public async Task <bool> TryLoginAsync()
{
var result = await PosSDK.CallAPI <Models.Account>("/account/login", new
{
tenant = "ELAND",
username = "******",
password = "******"
});
if (result.Success == true)
{
Settings.UserId = result.Result.UserId.ToString();
Settings.AuthToken = result.Result.Token;
return(true);
}
return(false);
}
public async Task <bool> TryLoginAsync()
{
var result = await PosSDK.CallAPI <Models.Account>("/account/login", new
{
tenant = this.Tenant,
username = this.Username,
password = this.Password,
});
if (result.Success == true)
{
Settings.UserId = result.Result.UserId.ToString();
Settings.AuthToken = result.Result.Token;
App.GoToMainPage();
return(true);
}
return(false);
}
public PayPrepareViewModel()
{
//CurrentCart = cart;
MessagingCenter.Subscribe <Cart>(this, "PaymentStart", async(s) =>
{
CurrentCart = s;
if (RemainAmt == 0)
{
var result = await PosSDK.CallAPI <Cart>("/order/place-order", new
{
cartId = this.CartId
});
if (result.Success == true)
{
Messenger.Default.Send <string>(string.Empty, "OrderPayComplete");
}
}
});
}
async Task CreateNewCart(Sku item)
{
try
{
UserDialogService.ShowLoading("生成购物车");
var result = await PosSDK.CallAPI <Cart>("/cart/create-cart");
CurrentCart = result.Result;
MessagingCenter.Send <Cart>(currentCart, "NewCart");
}
catch (Exception e)
{
throw (e);
}
finally
{
UserDialogService.HideLoading();
}
}