public async Task LoadData()
{
this.IsLoadingRestaurantDetail = true;
this.IsBusy = true;
Menus.Clear();
ListMenuItemViews.Clear();
if (StackLayoutMenus != null)
{
StackLayoutMenus.Children.Clear();
}
GridMenuItems.Children.Clear();
GridMenus.Children.Clear();
await Task.Run(() =>
{
Utils.IReloadPageCurrent = this;
try
{
var dateUTC = DateTime.UtcNow;
var date = SelectedDate;
var nextTimeSlot = date;
bool isNext = false;
var menus = Shared.APIs.IRestaurant.GetMenus(RestaurantVM.LocationId);
RefreshMenuAvailables = restaurantFacade.RefreshMenus(menus, RestaurantVM.LocationId, dateUTC, date.AddDays(CheckNextDays), IsDeliverySelected, GroupedDeliveryDestination);
MenuOrderingAvailables = restaurantFacade.SearchAvailableOrderTimes(RefreshMenuAvailables)
.OrderBy(t => t.StartTime)
.ToList();
//MenuOrderingAvailables = restaurantFacade.SearchAvailableOrderTimes(RestaurantVM.LocationId, date.AddDays(days).ToString("MM/dd/yyyy"), date.AddDays(CheckNextDays).ToString("MM/dd/yyyy"), IsDeliverySelected)
// .OrderBy(t => t.StartTime)
// .ToList();
foreach (var menuOrderingAvailable in MenuOrderingAvailables.ToList())
{
string timeString = menuOrderingAvailable.CutoffTime.Time;
var time = GetDateTimeRestaurantFromLocal(timeString);
if (date < time)
{
timeString = menuOrderingAvailable.StartTime.Time;
time = GetDateTimeRestaurantFromLocal(timeString);
nextTimeSlot = time;
isNext = true;
break;
}
}
IsSelectedDateDisplay = true;
DateRestaurantCloses = restaurantFacade.GetDateRestaurantCloses(RestaurantTimeZone, RestaurantVM.LocationId, dateUTC, date.AddDays(CheckNextDays));
SearchHoliday(RestaurantVM.LocationId);
if (menus != null)
{
menus = menus.OrderBy((arg) => arg.ID).ToList();
foreach (var menu in menus)
{
RMenuVM menuVM = new RMenuVM();
menuVM.Menu = menu;
menuVM.MenuGroups = new List <RMenuGroupVM>();
Task.Run(() =>
{
try
{
List <RMenuGroupVM> MenuGroups = new List <RMenuGroupVM>();
var menusgroup = Shared.APIs.IRestaurant.GetMenuGroups(RestaurantVM.LocationId, menu.ID);
foreach (var menugroup in menusgroup)
{
RMenuGroupVM GroupMenu = new RMenuGroupVM
{
Group = menugroup,
};
MenuGroups.Add(GroupMenu);
int retryGroup = 0;
while (retryGroup < 3)
{
try
{
var menuItems = Shared.APIs.IRestaurant.GetChildMenuItems(RestaurantVM.LocationId, menu.ID, menugroup.ID);
GroupMenu.MenuItems = menuItems.Select(s => MapMenuItemBasePrice(new RMenuItemVM {
LocationId = RestaurantVM.LocationId, MenuId = menu.ID, MenuItem = s
})).ToList();
break;
}
catch (Exception)
{
System.GC.Collect();
new System.Threading.ManualResetEvent(false).WaitOne(1000);
retryGroup++;
}
}
Device.BeginInvokeOnMainThread(() =>
{
var index = Menus.IndexOf(menuVM);
if (index >= 0 && ListMenuItemViews.Count > index)
{
var menuItemViewModels = CreateMenuItemViewModels(GroupMenu, menu.ID);
if (!ListMenuItemViews.ContainsKey(menu.ID))
{
ListMenuItemViews.Add(menu.ID, new ObservableCollection <MenuItemViewModel>());
(GridMenuItems.Children[index] as RestaurantMenuListView).ListViewMenus.ItemsSource = ListMenuItemViews[menu.ID];
}
foreach (var menuItemViewModel in menuItemViewModels)
{
ListMenuItemViews[menu.ID].Add(menuItemViewModel);
menuItemViewModel.NeedUpdateSize();
}
(GridMenuItems.Children[index] as RestaurantMenuListView).ListViewMenus.IsVisible = ListMenuItemViews[menu.ID].Count > 0;
if (MenuTabIndex == index)
{
RefreshMenus(RestaurantVM.LocationId, Menus[index].Menu.ID);
}
//(StackLayoutMenus.Children[index] as Layout<View>).Children[2].IsVisible = false;
}
});
}
menuVM.MenuGroups = MenuGroups;
}
catch (Exception ex)
{
var message = ex.Message;
Device.BeginInvokeOnMainThread(async() =>
{
await Utils.ShowErrorMessage(string.IsNullOrEmpty(message) ? AppResources.SomethingWentWrong : message);
});
}
}).ContinueWith((arg) =>
{
Device.BeginInvokeOnMainThread(() =>
{
var index = Menus.IndexOf(menuVM);
if (index >= 0 && ListMenuItemViews.Count > index)
{
(GridMenuItems.Children[index] as RestaurantMenuListView).ListViewMenus.IsVisible = true;
(GridMenuItems.Children[index] as RestaurantMenuListView).IndicatorView.IsVisible = false;
(StackLayoutMenus.Children[index] as Layout <View>).Children[2].IsVisible = false;
}
});
});
Menus.Add(menuVM);
}
}
}
catch (Exception ex)
{
if (!this.IsErrorPage && Utils.IReloadPageCurrent == this)
{
Device.BeginInvokeOnMainThread(async() =>
{
await Utils.ShowErrorMessage(string.IsNullOrEmpty(ex.Message) ? AppResources.SomethingWentWrong : ex.Message);
});
}
}
if (Utils.IReloadPageCurrent == this)
{
Utils.IReloadPageCurrent = null;
}
}).ContinueWith(t =>
{
if (Menus != null)
{
CalculateFees();
StackLayoutMenus = new StackLayout
{
Orientation = StackOrientation.Horizontal,
Spacing = 0,
};
ScrollViewMenus = new ScrollView
{
Orientation = ScrollOrientation.Horizontal,
IsClippedToBounds = true,
};
ScrollViewMenus.Content = StackLayoutMenus;
GridMenus.Children.Add(ScrollViewMenus);
foreach (var menu in Menus)
{
var gridTab = new Grid();
gridTab.BackgroundColor = Color.FromRgb(80, 80, 80);
gridTab.HorizontalOptions = LayoutOptions.Start;
gridTab.VerticalOptions = LayoutOptions.Start;
gridTab.HeightRequest = Device.GetNamedSize(NamedSize.Medium, typeof(Label)) * 2.2;
Label labelTab = new Label();
labelTab.FontSize = Device.GetNamedSize(NamedSize.Small, typeof(Label));
labelTab.VerticalTextAlignment = TextAlignment.Center;
labelTab.HorizontalTextAlignment = TextAlignment.Center;
labelTab.VerticalOptions = LayoutOptions.Center;
labelTab.HorizontalOptions = LayoutOptions.Center;
labelTab.Text = menu.Menu.DisplayName;
labelTab.TextColor = Color.Gray;
labelTab.Margin = new Thickness(18, 0, 20, 0);
ActivityIndicator activityIndicator = new ActivityIndicator();
activityIndicator.IsRunning = false;
activityIndicator.IsVisible = false;
if (Device.RuntimePlatform == Device.iOS)
{
labelTab.Margin = new Thickness(19, 0, 23, 0);
activityIndicator.HeightRequest = 14;
activityIndicator.WidthRequest = 14;
activityIndicator.Margin = new Thickness(0, 4, 4, 0);
}
else
{
activityIndicator.HeightRequest = 14;
activityIndicator.WidthRequest = 14;
activityIndicator.Margin = new Thickness(0, 4, 4, 0);
}
activityIndicator.HorizontalOptions = LayoutOptions.End;
activityIndicator.VerticalOptions = LayoutOptions.Start;
activityIndicator.Color = AppearanceBase.Instance.PrimaryColor;
gridTab.GestureRecognizers.Add(new TapGestureRecognizer()
{
Command = new Command(() =>
{
if (StackLayoutMenus != null)
{
var index = StackLayoutMenus.Children.IndexOf(gridTab);
if (index >= 0)
{
ChangeTabMenu(index);
double scrollX = 0;
for (int i = 0; i < index; i++)
{
scrollX += StackLayoutMenus.Children[i].Width;
}
scrollX += StackLayoutMenus.Children[index].Width / 2;
scrollX = Math.Min(Math.Max(0, (scrollX - ScrollViewMenus.Width / 2)), StackLayoutMenus.Width - ScrollViewMenus.Width);
ScrollViewMenus.ScrollToAsync(scrollX, ScrollViewMenus.ScrollY, true);
}
}
}),
});
gridTab.Children.Add(labelTab);
gridTab.Children.Add(new Grid
{
HeightRequest = 2,
BackgroundColor = Color.Transparent,
VerticalOptions = LayoutOptions.End,
IsVisible = false,
});
gridTab.Children.Add(activityIndicator);
StackLayoutMenus.Children.Add(gridTab);
}
RenderListView(Menus);
int menuIndex = 0;
bool isMenuAvailable = false;
while (Menus.Count > menuIndex)
{
MenuTabIndex = menuIndex;
var menuId = Menus[menuIndex].Menu.ID;
SearchAvailableOrderTimes(menuId);
RefreshMenus(RestaurantVM.LocationId, menuId, false);
if (!CheckMenuAvailableVisible)
{
isMenuAvailable = true;
break;
}
else
{
menuIndex++;
}
}
if (!isMenuAvailable && Menus != null && Menus.Count > 0)
{
MenuTabIndex = 0;
var menuId = Menus[0].Menu.ID;
SearchAvailableOrderTimes(menuId);
RefreshMenus(RestaurantVM.LocationId, menuId, false);
}
ChangeTabMenu(MenuTabIndex, true);
}
this.IsLoadingRestaurantDetail = false;
this.IsBusy = false;
}, System.Threading.Tasks.TaskScheduler.FromCurrentSynchronizationContext());
}