protected override async void OnAppearing()
{
// Create page if user doesnt exist or has logged out
if (User.CurrentUserInstance.Name == null)
{
Label loginLbl = new Label {
Text = "Login to access your settings",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
Margin = 20,
HorizontalTextAlignment = TextAlignment.Center,
VerticalTextAlignment = TextAlignment.Center
};
Button loginButton = new Button {
Text = "Login",
TextColor = Color.White,
BackgroundColor = Color.Green,
Font = Font.SystemFontOfSize(NamedSize.Large),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.Fill,
};
loginButton.Clicked += (sender, e) => {
MenuPage.ChangePage(MenuPage.pages[3], 3);
};
Content = new StackLayout {
Children = { loginLbl, loginButton }
};
}
else
{
Content = initialContent;
}
}
public HomePage()
{
InitializeComponent();
BackgroundImage = "m1.jpg";
MenuBtn.Clicked += (sender, e) => {
MenuPage.ChangePage(MenuPage.pages[1], 1);
};
}
public void CreateLinkableCells(List <Food> FoodDB)
{
// Creating page header
Label header = new Label {
Text = "Reccomended based on location",
TextColor = Color.Purple,
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalOptions = LayoutOptions.Center
};
// Adding all food items to imagecells
List <ImageCell> foodDBLinks = new List <ImageCell>();
foreach (Food item in FoodDB)
{
ImageCell cellItem = new ImageCell {
// Some differences with loading images in initial release.
ImageSource = item.Photo,
Text = $"{item.Name} - ${item.Price}",
Detail = $"{item.Description}",
};
cellItem.Tapped += (sender, args) => MenuPage.ChangePage(
// Generate new page for item
GenerateItemPage(item)
);
foodDBLinks.Add(cellItem);
}
TableView tableView = new TableView {
Intent = TableIntent.Form,
Root = new TableRoot {
new TableSection {
foodDBLinks
}
}
};
// Build the page.
Content = new StackLayout {
Children = { header, tableView }
};
}
private void CreateLinkableCells(List <Food> FoodDB)
{
// Creating page header
Label header = new Label {
Text = "Your Cart:",
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalOptions = LayoutOptions.Center
};
// Adding all food items to imagecells
List <ImageCell> foodDBLinks = new List <ImageCell>();
foreach (Food item in FoodDB)
{
ImageCell cellItem = new ImageCell {
// Some differences with loading images in initial release.
ImageSource = item.Photo,
Text = $"{item.Name} - ${item.Price}",
Detail = $"{item.Description}",
};
cellItem.Tapped += async(sender, args) => {
var answer = await DisplayAlert($"{item.Name}", "Would you like to remove item from cart?", "Yes", "No");
if (answer)
{
Food.CartInstance.Remove(item);
if (Food.CartInstance.Count == 0)
{
MenuPage.ChangePage(new NavigationPage(new OrderPage())); // FIX THIS
}
else
{
OnAppearing();
}
}
};
foodDBLinks.Add(cellItem);
}
TableView tableView = new TableView {
Intent = TableIntent.Form,
Root = new TableRoot {
new TableSection {
foodDBLinks
}
}
};
double total = FoodDB.Sum(s => s.Price);
Button orderButton = new Button {
Text = $"Place Order - [ ${total} ]",
BackgroundColor = Color.Green,
Font = Font.SystemFontOfSize(NamedSize.Large),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.Fill,
};
ActivityIndicator AI = new ActivityIndicator();
AI.IsRunning = false;
string foodNames = "";
foreach (string str in FoodDB.Select(s => s.Name))
{
foodNames += str + " ";
}
string totPrice = FoodDB.Select(s => s.Price).Sum().ToString();
orderButton.Clicked += async(sender, e) => {
AI.IsRunning = true;
orderButton.IsEnabled = false;
Order newOrder = new Order()
{
FoodNames = foodNames,
Email = User.CurrentUserInstance.Email,
TotalPrice = totPrice,
Date = DateTime.Now
};
await AzureManager.AzureManagerInstance.PlaceOrder(newOrder);
await DisplayAlert("Success", "Your order has been successfully placed", "OK");
// Generate page
// foreach (var f in Food.CartInstance) Food.CartInstance.Remove(f);
Food.CartInstance.Clear();
orderButton.IsEnabled = true;
AI.IsRunning = false;
MenuPage.ChangePage(new NavigationPage(new TabbedPage {
Children = { new OrderPage(), new PlacedOrdersPage() }
})); // FIX THIS
};
// Build the page.
Content = new StackLayout {
Children = { header, tableView, AI, orderButton }
};
}
private void ToMenu(object sender, EventArgs e)
{
MenuPage.ChangePage(MenuPage.pages[1], 1);
}
private void GenerateOrdersPage(List <Order> orders)
{
// Generating page of orders
Label header = new Label {
Text = "Your Cart:",
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalOptions = LayoutOptions.Center
};
ActivityIndicator AI = new ActivityIndicator();
AI.IsRunning = false;
// Adding all food items to imagecells
List <ImageCell> orderDBLinks = new List <ImageCell>();
foreach (Order order in orders)
{
ImageCell cellItem = new ImageCell {
// Some differences with loading images in initial release.
ImageSource = new Uri("http://www.lexingtoncolony.com/wp-content/uploads/2014/07/dinner-thumbnail.png"),
Text = $"Your Order [ {order.Date} ] - Total: ${order.TotalPrice}",
Detail = $"Food Items: {order.FoodNames}"
};
cellItem.Tapped += async(sender, args) => {
var answer = await DisplayAlert($"Cancel Order", "Would you like to cancel this order?", "Yes", "No");
if (answer)
{
// Remove it from database
await AzureManager.AzureManagerInstance.CancelOrder(order);
orders.Remove(order);
await DisplayAlert("SUCCESS", "Successfuly cancelled your order", "OK");
if (orders.Count == 0)
{
MenuPage.ChangePage(new NavigationPage(new TabbedPage {
Children = { new OrderPage(), new PlacedOrdersPage() }
})); // FIX THIS
}
else
{
OnAppearing();
}
}
};
orderDBLinks.Add(cellItem);
}
TableView tableView = new TableView {
Intent = TableIntent.Form,
Root = new TableRoot {
new TableSection {
orderDBLinks
}
}
};
// Build the page.
Content = new StackLayout {
Children = { header, tableView, AI }
};
}
private Page GenerateItemPage(Food item)
{
Label category = new Label {
Text = $"{item.Category.ToUpper()}",
TextColor = Color.Blue,
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
HorizontalTextAlignment = TextAlignment.Center
};
Image image = new Image {
Source = item.Photo,
Aspect = Aspect.AspectFit
};
Label name = new Label {
Text = $"{item.Name}",
TextColor = Color.Blue,
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
HorizontalTextAlignment = TextAlignment.Center
};
Label description = new Label {
Text = $"{item.Description}",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
HorizontalTextAlignment = TextAlignment.Center
};
Label price = new Label {
Text = $"Cost: ${ item.Price}",
TextColor = Color.Red,
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
Margin = 20,
HorizontalTextAlignment = TextAlignment.End
};
Button addToCart = new Button {
Text = "ADD TO CART",
BackgroundColor = Color.Green,
Font = Font.SystemFontOfSize(NamedSize.Large),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.Fill,
};
addToCart.Clicked += async(sender, e) => {
if (User.CurrentUserInstance.Name != null)
{
Food.CartInstance.Add(item);
await DisplayAlert("Success", $"Successfully added {item.Name} to cart", "OK");
}
else
{
var res = await DisplayAlert("Failed", "Please login to place an order", "Login", "Cancel");
if (res)
{
MenuPage.ChangePage(MenuPage.pages[3], 3);
}
}
};
Button toCartBtn = new Button {
Text = "View Cart",
TextColor = Color.White,
BackgroundColor = Color.Blue,
Font = Font.SystemFontOfSize(NamedSize.Small),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.Fill,
};
toCartBtn.Clicked += (sender, e) => {
MenuPage.ChangePage(MenuPage.pages[2], 2);
};
Button backToMenu = new Button {
Text = "BACK",
BackgroundColor = Color.Red,
Font = Font.SystemFontOfSize(NamedSize.Small),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.End,
};
backToMenu.Clicked += (sender, e) => {
MenuPage.ChangePage(MenuPage.pages[1]);
};
return(new NavigationPage(new ContentPage {
Content = new StackLayout {
Children = { category, image, name, description, price, addToCart, toCartBtn, backToMenu }
}
}));
}
private void Change(object sender, EventArgs e)
{
Label passLbl = new Label {
Text = "Enter curent password:"******"Password*",
IsPassword = true
};
Entry pass2 = new Entry {
Placeholder = "Current Password*",
IsPassword = true
};
Button confirm = new Button {
Text = "Confirm",
TextColor = Color.White,
BackgroundColor = Color.Green,
Font = Font.SystemFontOfSize(NamedSize.Large),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.StartAndExpand,
};
confirm.Clicked += async(sender2, e2) => {
if (pass1.Text == null || pass2.Text == null || pass1.Text.Length < 1 || pass2.Text.Length < 1)
{
await DisplayAlert("Incomplete Information", "Please complete the password fields", "OK");
}
else if (pass1.Text != pass2.Text)
{
await DisplayAlert("Password mismatch error", "Please enter identical passwords in the displayed fields", "OK");
}
else if (pass1.Text != User.CurrentUserInstance.Password)
{
await DisplayAlert("Password Incorrect", "Please enter correct current password", "OK");
}
else
{
// CHECK IF USER WITH SAME EMAIL EXISTS TO PREVENT CLASHES/DUPLICATES
User changedUser = new User()
{
ID = User.CurrentUserInstance.ID,
Name = usernameEntry.Text ?? User.CurrentUserInstance.Name,
Email = (emailEntry.Text == null || emailEntry.Text.Length < 1) ? User.CurrentUserInstance.Email : emailEntry.Text,
Password = (passwordEntry.Text == null || passwordEntry.Text.Length < 1) ? User.CurrentUserInstance.Password : passwordEntry.Text,
Photo = User.CurrentUserInstance.Photo,
Phone = phoneEntry.Text ?? User.CurrentUserInstance.Phone,
Address = addressEntry.Text ?? User.CurrentUserInstance.Address,
Date = DateTime.Now
};
await AzureManager.AzureManagerInstance.UpdateUser(changedUser);
await DisplayAlert("SUCCESS", "Successfuly changed your details", "OK");
MenuPage.GoHomeAfterLogin(changedUser);
}
};
Button goBack = new Button {
Text = "Back",
TextColor = Color.White,
BackgroundColor = Color.Red,
Font = Font.SystemFontOfSize(NamedSize.Large),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.EndAndExpand,
};
goBack.Clicked += (sender2, e2) => {
MenuPage.ChangePage(MenuPage.pages[5]);
};
MenuPage.ChangePage(new NavigationPage(new ContentPage {
Content = new StackLayout {
Children = { passLbl, pass1, pass2, new Grid {
Children = { confirm,goBack }
} }
}
}));
}