async void onDeleteTapped(object sender, EventArgs args)
{
var tenderSelected = ((TappedEventArgs)args).Parameter;
tenderBookmark tenderBookmark = (tenderBookmark)tenderSelected;
tenderItem tender = new tenderItem();
tender.Reference = tenderBookmark.tenderReferenceNumber;
List <tenderBookmark> tempBookmarkList = (List <tenderBookmark>)listView.ItemsSource;
var answer = await DisplayAlert("Remove bookmark", "Are you sure you want to remove bookmark '" + tender.Reference + "'?", "YES", "NO");
if (answer)
{
//remove bookmark from listview
foreach (var bookmarkItem in tempBookmarkList.ToList())
{
if (bookmarkItem == tenderBookmark)
{
int index = tempBookmarkList.IndexOf(bookmarkItem);
tempBookmarkList.Remove(bookmarkItem);
}
}
//Refresh listview
listView.ItemsSource = tempBookmarkList.ToList();
//Display error message when there are no bookmark
if (tempBookmarkList.Count <= 0)
{
errorMsg.Text = "No bookmark found.";
errorMsg.IsVisible = true;
upBtn.IsVisible = false;
}
//Remove bookmark from database
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostManageTenderBookmark(userSession.username, tender, "delete"));
var httpResult = httpTask.ToString();
Console.WriteLine(httpResult);
int count = 0;
while (count < 3 && httpResult != "Success")
{
Console.WriteLine("Looping for failure delete");
httpTask = await Task.Run <string>(() => HttpRequestHandler.PostManageTenderBookmark(userSession.username, tender, "delete"));
httpResult = httpTask.ToString();
count++;
}
}
}
/*void OnCartTapped(object sender, EventArgs args)
* {
* var tenderSelected = ((TappedEventArgs)args).Parameter;
* tenderItem tender = (tenderItem)tenderSelected;
*
* DisplayAlert("Success", tender.AddToCartQuantity + " Item " + tender.Reference + " has been successfully added to cart ", "OK");
* }*/
async void OnBookmarkTapped(object sender, EventArgs eventArgs)
{
//check if user is logged in
if (userSession.userLoginCookie == "")
{
DisplayAlert("Login required", "Please login first to bookmark this item.", "OK");
}
else
{
var tenderSelected = ((TappedEventArgs)eventArgs).Parameter;
tenderItem tender = (tenderItem)tenderSelected;
//var image = sender as Image;
Console.WriteLine("Image now is: " + ((Image)sender).Source.ToString());
if (((Image)sender).Source.ToString() == "File: bookmarkfilled.png")
{
((Image)sender).Source = "bookmark.png";
DisplayAlert("Cancel bookmark", "Tender '" + tender.Reference + "' has been removed from bookmark!", "OK");
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostManageTenderBookmark(userSession.username, tender, "delete"));
var httpResult = httpTask.ToString();
Console.WriteLine(httpResult);
int count = 0;
while (count < 3 && httpResult != "Success")
{
Console.WriteLine("Looping for failure delete");
httpTask = await Task.Run <string>(() => HttpRequestHandler.PostManageTenderBookmark(userSession.username, tender, "delete"));
httpResult = httpTask.ToString();
count++;
}
}
else
{
((Image)sender).Source = "bookmarkfilled.png";
DisplayAlert("Add bookmark", "Tender '" + tender.Reference + "' has been successfully added to bookmark!", "OK");
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostManageTenderBookmark(userSession.username, tender, "add"));
var httpResult = httpTask.ToString();
Console.WriteLine(httpResult);
int count = 0;
while (count < 3 && httpResult != "Success")
{
Console.WriteLine("Looping for failure add");
httpTask = await Task.Run <string>(() => HttpRequestHandler.PostManageTenderBookmark(userSession.username, tender, "add"));
httpResult = httpTask.ToString();
count++;
}
}
}
//Display tender list with or without bookmark
//send request to database everyone user tap on bookmark
}