private async void Button_Clicked(object sender, EventArgs e)
{
GoodsDetailViewModel gdvm = BindingContext as GoodsDetailViewModel;
if (gdvm.GoodsModel.User.Name == App.StaticUser.Name)
{
await App.GoodsManager.DeleteGoodsTaskAsync(gdvm.GoodsModel);
GoodsViewModel.refresh();
DependencyService.Get <IToastService>().LongAlert("删除商品成功！");
await Navigation.PopAsync();
}
else
{
if (App.StaticUser.TomatoPoints >= gdvm.GoodsModel.Price)
{
App.StaticUser.TomatoPoints -= gdvm.GoodsModel.Price;
await App.UserManager.ModifyUserTaskAsync(App.StaticUser);
DependencyService.Get <IToastService>().LongAlert("购买商品成功！");
await Navigation.PopAsync();
}
else
{
DependencyService.Get <IToastService>().LongAlert("番茄点不足，不能购买！");
}
}
}
public async Task <IActionResult> GoodsInfo(string id)
{
GoodsDetailViewModel webModel = new GoodsDetailViewModel();
if (!string.IsNullOrEmpty(id))
{
//编辑信息，加载物品相关信息
webModel = await _service.GetGoodsAsync(Convert.ToInt64(id), _context);
}
return(View(webModel));
}
protected override void OnAppearing()
{
GoodsDetailViewModel gdvm = BindingContext as GoodsDetailViewModel;
if (gdvm.GoodsModel.User.Name == App.StaticUser.Name)
{
bt.Text = "删除";
}
else
{
bt.Text = "购买";
}
}
/// <summary>
/// 获取物品详细信息
/// </summary>
/// <param name="id"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <GoodsDetailViewModel> GetGoodsAsync(long id, ApplicationDbContext context)
{
var webModel = new GoodsDetailViewModel();
try
{
var model = await AdmissionRepository.GetGoodsAsync(id, context);
webModel.Id = model.Id.ToString();
webModel.Description = model.Description;
webModel.Name = model.Name;
webModel.Size = model.Size;
}
catch (Exception ex)
{
_logger.LogError("获取物品数据失败：{0},\r\n内部错误信息：{1}", ex.Message, ex.InnerException.Message);
}
return(webModel);
}
private void Button_Clicked_1(object sender, EventArgs e)
{
GoodsDetailViewModel gdvm = BindingContext as GoodsDetailViewModel;
CharPageViewModel.AUser CurrentUser = new CharPageViewModel.AUser()
{
UserId = App.StaticUser.UserId,
Name = App.StaticUser.Name,
Avatar = App.StaticUser.Imgurl
};
CharPageViewModel.AUser SendToUser = new CharPageViewModel.AUser()
{
UserId = gdvm.GoodsModel.UserId,
Name = gdvm.GoodsModel.User.Name,
Avatar = gdvm.GoodsModel.User.Imgurl
};
Navigation.PushAsync(new ChatPage()
{
BindingContext = new CharPageViewModel(CurrentUser, SendToUser)
});
}
