private void SaveRecipeComponent(object recipeComponentInstance)
{
RecipeComponentViewModel recipeComponentViewModel = recipeComponentInstance as RecipeComponentViewModel;
if (recipeComponentViewModel.RecipeComponent != null)
{
if (!recipeComponentViewModel.IsValid)
{
Application.Current.MainPage.DisplayAlert("Предупреждение", "Выберите компонент", "Ok");
return;
}
using (AppDbContext db = App.GetContext())
{
if (recipeComponentViewModel.RecipeComponent.RecipeComponentId == 0)
{
recipeComponentViewModel.RecipeComponent.Order = RecipeComponents.Count + 1;
db.Entry(recipeComponentViewModel.RecipeComponent).State = EntityState.Added;
}
else
{
db.RecipeComponents.Update(recipeComponentViewModel.RecipeComponent);
}
db.SaveChanges();
}
}
Back();
}
public GroupedComponentsViewModel(bool isEditMode, RecipeViewModel recipeViewModel, RecipeComponentViewModel recipeComponentViewModel)
{
IsEditMode = isEditMode;
RecipeViewModel = recipeViewModel;
RecipeComponentViewModel = recipeComponentViewModel;
LoadManufacturers();
CreateManufacturerCommand = new Command(CreateManufacturer);
DeleteManufacturerCommand = new Command(DeleteManufacturer);
SaveManufacturerCommand = new Command(SaveManufacturer);
}
private void DeleteRecipeComponent(object recipeComponentInstance)
{
RecipeComponentViewModel recipeComponentViewModel = recipeComponentInstance as RecipeComponentViewModel;
if (recipeComponentViewModel.RecipeComponent != null && recipeComponentViewModel.RecipeComponent.RecipeComponentId != 0)
{
using (AppDbContext db = App.GetContext())
{
db.RecipeComponents.Remove(recipeComponentViewModel.RecipeComponent);
db.SaveChanges();
}
ReorderComponents(recipeComponentViewModel.RecipeComponent.Order);
}
Back();
}
public ComponentsViewModel(Manufacturer manufacturer, bool isEditMode, RecipeViewModel recipeViewModel, RecipeComponentViewModel recipeComponentViewModel)
{
Manufacturer = manufacturer;
Title = "Производитель: " + Manufacturer.Name + "\nСписок компонентов";
CreateCommand = new Command(CreateComponent);
DeleteCommand = new Command(DeleteComponent);
SaveCommand = new Command(SaveComponent);
BackCommand = new Command(Back);
LoadFileCommand = new Command(LoadFileAsync);
IsEditMode = isEditMode;
RecipeViewModel = recipeViewModel;
RecipeComponentViewModel = recipeComponentViewModel;
}