public StopDetailViewModel(Stop stop)
{
Routes = new ObservableCollection<Route>();
Alerts = new ObservableCollection<Alert>();
SelectedStop = stop;
refreshTimer = new DispatcherTimer();
refreshTimer.Tick += TimerDue;
refreshTimer.Interval = new TimeSpan(0, 0, 15);
tileId = stop.StopName;
}
public static async Task<XDocument> GetSearchPredictionsAsync(Stop stop, Route route)
{
var url = baseUrls["searchPrediction"] + stop.stopId + "&routeTag=" + route.RouteNumber;
//Make sure to pull from the network and not cache everytime predictions are refreshed
client.DefaultRequestHeaders.IfModifiedSince = DateTime.Now;
try
{
var response = await client.GetAsync(new Uri(url));
response.EnsureSuccessStatusCode();
var reader = await response.Content.ReadAsStringAsync();
xmlDoc = XDocument.Parse(reader);
}
catch (Exception)
{
await ErrorHandler.NetworkError("Error getting predictions. Check network connection and try again.");
throw;
}
return xmlDoc;
}
public static async Task FavoriteSearchAsync(Stop stop)
{
string title = stop.StopName;
if (title.Contains("Inbound"))
{
title = title.Replace(" Inbound", "");
}
if (title.Contains("Outbound"))
{
title = title.Replace(" Outbound", "");
}
//var _stopsAsyncConnection = new SQLiteAsyncConnection("muni.sqlite");
var connection = new SQLiteAsyncConnection(() => DbConnection(muniDbPath));
//string query = "SELECT * FROM BusStops WHERE StopName = \'" + title + "\'";
var results = await connection.Table<Stop>().Where(s => s.StopName == title).ToListAsync();
//If stop name not found in db, most likely a stop that was a duplicate and merged so reverse it and search again
if(!results.Any())
{
string [] temp = title.Split('&');
title = temp[1].Substring(1) + " & " + temp[0].Substring(0, (temp[0].Length - 1));
//query = "SELECT * FROM BusStops WHERE StopName = \'" + title + "\'";
results = await connection.Table<Stop>().Where(s => s.StopName == title).ToListAsync();
}
foreach (Stop fav in results)
{
await AddFavoriteAsync(stop);
}
}
public static async Task RemoveFavoriteAsync(Stop stop)
{
string q = "DELETE FROM FavoriteData WHERE Id IS " + stop.favId;
//var _favoritesAsyncConnection = new SQLiteAsyncConnection(favoriteDbPath);
favoritesConnection = new SQLiteAsyncConnection(() => DbConnection(favoriteDbPath));
await favoritesConnection.QueryAsync<Favorite>(q);
await LoadFavoritesAsync();
}
public static async Task AddFavoriteAsync(Stop stop)
{
//var _favoritesAsyncConnection = new SQLiteAsyncConnection(favoriteDbPath);
favoritesConnection = new SQLiteAsyncConnection(() => DbConnection(favoriteDbPath));
await favoritesConnection.InsertAsync(new Favorite
{
Name = stop.StopName,
Routes = stop.Routes,
Tags = stop.StopTags,
Lat = stop.Latitude,
Lon = stop.Longitude
});
await LoadFavoritesAsync();
}
private void LoadFavorites()
{
List<Favorite> favorites = DatabaseHelper.FavoritesList;
FavoriteStops.Clear();
if (favorites.Count == 0)
{
NoFavoritesText = "Add favorites by pressing \uE00A on a stop";
}
else
{
NoFavoritesText = "";
foreach (Favorite fav in favorites)
{
Stop favStop = new Stop(fav.Name, "", fav.Routes, fav.Tags, fav.Lat, fav.Lon);
favStop.favId = fav.Id;
FavoriteStops.Add(favStop);
}
}
//Check if any stops in NearbyStops are also favorites so users have the ability to remove them
SyncFavoriteIds();
//FavoritesDistances();
if (sorted) SortFavorites();
}
public async Task StopSelectedAsync(Stop stop)
{
SelectedStop = stop;
string title = SelectedStop.StopName;
if (title.Contains("Inbound"))
{
SelectedStop.StopName = title.Replace(" Inbound", "");
}
if (title.Contains("Outbound"))
{
SelectedStop.StopName = title.Replace(" Outbound", "");
}
//string[] temp = SelectedStop.StopName.Split('&');
//string reversed;
//if (temp.Count() > 1)
//{
// reversed = temp[1].Substring(1) + " & " + temp[0].Substring(0, (temp[0].Length - 1));
//}
//else reversed = "";
try
{
var xmlDoc = await WebHelper.GetSearchPredictionsAsync(SelectedStop, SelectedRoute);
//Get bus predictions for stop
SearchTimes = await Task.Run(() => ParseHelper.ParseSearchTimesAsync(xmlDoc));
Stop tempStop = await GetStopAsync();
if (tempStop != null) SelectedStop = tempStop;
IsFavorite = DatabaseHelper.FavoritesList.Any(f => f.Name == SelectedStop.StopName);
if (IsFavorite) SyncFavoriteIds();
}
catch(Exception)
{
throw;
}
}
