public async Task Remove(T item)
{
dbContext.Set <T>().Remove(item);
await dbContext.SaveChangesAsync();
await OnDbChanged();
}
public async Task <bool> LoadAsync <T>() where T : class
{
Thread thread = new Thread(() =>
{
try
{
_dbContext.Set <T>().Load();
_loaded = true;
}
catch (Exception ex)
{
Message = ex.Message;
MessageDetail = ex?.InnerException?.Message;
_error = true;
}
});
thread.Start();
await Task.Run(() =>
{
while (!_loaded && !_error)
{
Task.Delay(100);
}
});
return(!_error);
}
public async void Handle(string message)
{
bool hasId = message.Contains("/");
object id = null;
string modelTypeName = hasId ? message.Split('/')[0] : message;
string modelName1 = modelTypeName.Substring(modelTypeName.IndexOf('.') + 1);
var ass = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault(x => x.FullName.StartsWith("DAL"));
Type type = ass.GetType(modelTypeName);
var set = allDbContext.Set(type);
if (hasId)
{
id = int.Parse(message.Split('/')[1]);
var entity = set.Find(id);
await allDbContext.Entry(entity).ReloadAsync();
}
//else
//{
// await set.ForEachAsync(x => allDbContext.Entry(x).Reload());
//}
var eventType = typeof(DataUpdated <>).MakeGenericType(type);
var instance = Activator.CreateInstance(eventType) as IEvent;
await eventBus.Publish(instance);
}
private async Task<FrameworkElement> GetControlFrom(BindingComponent bind, Type modelType)
{
PropertyInfo info = modelType.GetProperty(bind.PropertyName);
Control control = new TextBox();
TextBlock label = new TextBlock() { Text = bind.DisplayName };
control.SetBinding(TextBox.TextProperty, info.Name);
if (info.PropertyType == typeof(DateTime))
{
control = new DatePicker() { DisplayDateStart = new DateTime(1960, 1, 1)};
if (!IsEdit)
{
info.SetValue(Item, DateTime.Now);
}
control.SetBinding(DatePicker.SelectedDateProperty, info.Name);
}
if (info.PropertyType.IsEnum)
{
var list = Enum.GetNames(info.PropertyType);
control = new ComboBox();
if (list.Length > 0)
{
(control as ComboBox).ItemsSource = list;
(control as ComboBox).SetBinding(ComboBox.SelectedItemProperty, bind.PropertyName);
if (!IsEdit)
{
(control as ComboBox).SelectedIndex = 0;
info.SetValue(Item, Enum.Parse(info.PropertyType, (control as ComboBox).SelectedItem.ToString()));
}
else
{
var value = info.GetValue(Item);
(control as ComboBox).SelectedItem = Enum.GetName(info.PropertyType, value);
}
}
}
if(bind.PropertyType == PropertyType.OuterPropertyId ||
bind.PropertyType == PropertyType.OuterPropertyIdNonVisible)
{
control = new ComboBox();
string outerPropName = bind.PropertyName.TrimEnd('I', 'd');
var outerProp = modelType.GetProperty(outerPropName);
await allDbContext.Set(outerProp.PropertyType).LoadAsync();
var list = await allDbContext.Set(outerProp.PropertyType).ToListAsync();
if (list.Count > 0)
{
(control as ComboBox).ItemsSource = list;
(control as ComboBox).SelectedValuePath = "Id";
(control as ComboBox).DisplayMemberPath = bind.DisplayMember;
(control as ComboBox).SetBinding(ComboBox.SelectedValueProperty, bind.PropertyName);
if (!IsEdit)
{
(control as ComboBox).SelectedIndex = 0;
info.SetValue(Item, (control as ComboBox).SelectedValue);
}
}
}
control.Margin = new Thickness(0, 5, 0, 0);
label.HorizontalAlignment = HorizontalAlignment.Left;
StackPanel stack = new StackPanel();
stack.Children.Add(label);
stack.Children.Add(control);
stack.Margin = new Thickness(0, 15, 0, 0);
return stack;
}
