//author: Michael Kath (n9293833)
//Displays all the outstanding requests
public async void RetrieveRequests()
{
ListOutStandingReq = new ObservableCollection <AddRequest>();
//Get current find Requests
var curerntReq = await UsersDatabase.SelectViaUser(currentUser);
AddRequests(curerntReq);
//meanwhile push from the database and check to see if they have changed
var newRequests = await UsersDatabase.SelectViaUser(currentUser, true);
//if the counts are different then there must be a database change
if (newRequests.Count() != curerntReq.Count())
{
//update the list
AddRequests(newRequests);
}
else
{
var newReq = newRequests.ToList();
var curReq = newRequests.ToList();
// compare every new request received from DB against the current DB
for (int i = 0; i < newRequests.Count(); i++)
{
// if there is a change
if (newReq[i] != curReq[i])
{
//Update the entire list
AddRequests(newRequests);
break;
}
}
}
}
