/// <summary>
/// Creates a new lists of menu items for a user or logged admin.
/// </summary>
public VM_MainMenu()
{
if (ContextCredentials.CheckTheAdmin(App.User.Email, App.User.Password))
{
MenuItems = new ObservableCollection <MasterMenuItem>(new[]
{
new MasterMenuItem {
Id = 1, Title = "Your products", TargetType = typeof(Products_MainPage)
},
new MasterMenuItem {
Id = 2, Title = "Customers' orders", TargetType = typeof(Orders_MainPage)
},
new MasterMenuItem {
Id = 3, Title = "Season Sales", TargetType = typeof(View.Admin.Sales)
},
});
}
else
{
MenuItems = new ObservableCollection <MasterMenuItem>(new[]
{
new MasterMenuItem {
Id = 1, Title = "Products", TargetType = typeof(Products_MainPage)
},
new MasterMenuItem {
Id = 2, Title = "Shopping Cart", TargetType = typeof(Cart)
},
new MasterMenuItem {
Id = 3, Title = "Your orders", TargetType = typeof(View.Customer.Orders)
}
});
}
}
/// <summary>
/// Open a page for new product.
/// </summary>
public void GetNewProductPage()
{
if (ContextCredentials.CheckTheAdmin(App.User.Email, App.User.Password))
{
((MainPage)Application.Current.MainPage).Detail = new ProductForm();
}
}
public void DeleteSelectedItem(ProductItem item)
{
if (ContextCredentials.CheckTheAdmin(App.User.Email, App.User.Password))
{
if (Product.DeleteProduct(item.ID))
{
Application.Current.MainPage.DisplayAlert
(
"Succesful operation",
"Product was marked as deleted",
"OK"
);
((MainPage)Application.Current.MainPage).Detail = new Products_MainPage();
}
else
{
Application.Current.MainPage.DisplayAlert
(
"Something went wrong",
"We were unable to delete the product",
"OK"
);
}
}
}
/// <summary>
/// Main page for showing all products for admin and customer.
///
/// Creates subpages containing all categories and products.
/// </summary>
public Products_MainPage()
{
/// Creates a new view-model.
viewModel = new VM_ProductMainPage();
BindingContext = viewModel;
if (ContextCredentials.CheckTheAdmin(App.User.Email, App.User.Password))
{
Title = "Your products";
ToolbarItems.Add(new Xamarin.Forms.ToolbarItem("Add", "", viewModel.GetNewProductPage));
}
InitializeComponent();
/// Creates tabs for all inherited pages.
viewModel.GetPages(Children);
}
/// <summary>
/// Gets content pages for a main product page.
/// </summary>
/// <param name="children">List of children pages of a main product page.</param>
public void GetPages(IList <Page> children)
{
if (ContextCredentials.CheckTheAdmin(App.User.Email, App.User.Password))
{
children.Add(new View.Admin.Products("All"));
foreach (Category category in Categories)
{
children.Add(new View.Admin.Products(category.Name));
}
}
else
{
children.Add(new View.Customer.Products("All"));
foreach (Category category in Categories)
{
children.Add(new View.Customer.Products(category.Name));
}
}
}
/// <summary>
/// Tries to get user with the input credentials from the database
/// </summary>
private void LogUserIn()
{
if (ContextCredentials.CheckTheAdmin(Email, Password))
{
App.User = new Customer(Email, Password);
Application.Current.MainPage = new MainPage();
return;
}
App.User = Customer.GetCustomer(Email, Password, App.User.GetCart());
/// Unsuccesful operation
if (App.User == null)
{
Application.Current.MainPage.DisplayAlert
(
"Unsuccesfull login",
"Invalid login information",
"OK"
);
return;
}
Application.Current.MainPage = new MainPage();
}