private async static Task <bool> DownloadWeather(FileSet set, string path)
{
using (var client = new WebClient())
{
try
{
await client.DownloadFileTaskAsync(new Uri($"http://www.meteo.pl/um/metco/mgram_pict.php?ntype=0u&fdate={set.Date.ToString("yyyyMMddHH", IC)}&row={set.Location.Y.ToString(IC)}&col={set.Location.X.ToString(IC)}&lang=pl"), path);
return(true);
}
catch (System.Net.WebException Ex)
{
Logging.Log(Ex.ToString());
return(false);
}
}
}
/// <summary>
/// Sets image backing WeatherImage to image backed by provided FileSet
/// </summary>
/// <param name="set">Image source</param>
private void SetWeatherSource(FileSet set)
{
lock (SyncObject2)
{
if ((set != null && set.Status == FileSet.DownloadStatus.Downloaded) && ((Displayed == null) || (Displayed != null && ((Displayed.Location == SelectedLocation && set.Date > Displayed.Date) || (Displayed.Location != SelectedLocation)))))
{
if (Displayed != null)
{
Displayed.Status = FileSet.DownloadStatus.Downloaded;
}
set.Status = FileSet.DownloadStatus.IsDisplayed;
Displayed = set;
var uriWeather = new Uri(FileSet.GetFilename(set));
var uriWeatherLocal = new Uri(uriWeather.LocalPath);
var Bitmap = new BitmapImage(uriWeatherLocal);
Bitmap.Freeze();
WeatherImage.Dispatcher.BeginInvoke(new Action(() => WeatherImage.Source = Bitmap));
SetTimeline(set.Date);
}
}
}
/// <summary>
/// Removes outdated and damaged files
/// </summary>
/// <param name="path">Path to folder</param>
public static void RemoveOutdatedFiles(string path)
{
foreach (var file in GetOutdatedAndDamagedFiles(path))
{
var set = FileHandler.FileList.Where(x => x == file);
if (set.Count() != 0)
{
set.Single().Status = FileSet.DownloadStatus.ToBeDeleted;
}
else
{
try
{
File.Delete(FileSet.GetFilename(file));
}
catch (IOException Ex)
{
Logging.Log(Ex.ToString());
}
}
}
}
private void OnChange(object sender, ListChangedEventArgs e)
{
lock (SyncObject)
{
if (e.CollectionChangedEventArgs != null && e.PropertyChangedEventArgs == null)
{
NotifyCollectionChangedEventArgs args = e.CollectionChangedEventArgs;
if (args.Action == NotifyCollectionChangedAction.Add)
{
foreach (FileSet set in args.NewItems)
{
if (set.Status == FileSet.DownloadStatus.ToBeDownloaded)
{
var task = new Task <bool>(() => { return(WeatherDownloader.DownloadAndVerify(set).Result); });
task.Start();
return;
}
else if (set.Status == FileSet.DownloadStatus.Downloaded)
{
return;
}
else
{
throw new ArgumentException();
}
}
}
else if (args.Action == NotifyCollectionChangedAction.Replace)
{
throw new NotImplementedException();
}
else if (args.Action == NotifyCollectionChangedAction.Remove)
{
foreach (FileSet set in args.OldItems)
{
try
{
File.Delete(FileSet.GetFilename(set));
}catch (IOException Ex)
{
Logging.Log(Ex.ToString());
}
}
}
else
{
throw new ArgumentException();
}
}
else if (e.PropertyChangedEventArgs != null && e.CollectionChangedEventArgs == null)
{
if (!Enum.TryParse(e.PropertyChangedEventArgs.PropertyName, out FileSet.DownloadStatus previousStatus))
{
throw new InvalidOperationException();
}
FileSet set = (FileSet)sender;
if (set.Status == FileSet.DownloadStatus.Downloaded && previousStatus == FileSet.DownloadStatus.ToBeDownloaded)
{
WeatherFileDownloaded(set, EventArgs.Empty);
InternetConnection(set, EventArgs.Empty);
return;
}
else if (set.Status == FileSet.DownloadStatus.ToBeDeleted)
{
FileList.Remove(set);
return;
}
else if (set.Status == FileSet.DownloadStatus.IsDisplayed && previousStatus == FileSet.DownloadStatus.Downloaded)
{
return;
}
else if (set.Status == FileSet.DownloadStatus.Downloaded && previousStatus == FileSet.DownloadStatus.IsDisplayed)
{
return;
}
else if (set.Status == FileSet.DownloadStatus.DownloadFailed && previousStatus == FileSet.DownloadStatus.ToBeDownloaded)
{
WeatherFileDownloaded(set, EventArgs.Empty);
NoInternetConnection(set, EventArgs.Empty);
return;
}
else if (set.Status == FileSet.DownloadStatus.NoWeatherFile && previousStatus == FileSet.DownloadStatus.ToBeDownloaded)
{
WeatherFileDownloaded(set, EventArgs.Empty);
InternetConnection(set, EventArgs.Empty);
set.Status = FileSet.DownloadStatus.ToBeDeleted;
return;
}
else if (set.Status == FileSet.DownloadStatus.ToBeDownloaded && previousStatus == FileSet.DownloadStatus.DownloadFailed)
{
var task = new Task <bool>(() => { return(WeatherDownloader.DownloadAndVerify(set).Result); });
task.Start();
return;
}
else
{
throw new InvalidOperationException();
}
}
else
{
throw new ArgumentException();
}
}
}
public static string GetName(FileSet set) => GetName(set.Location, set.Date);
public bool CompareLocationAndDate(FileSet other)
{
return(this.Location == other.Location && this.Date == other.Date);
}
public bool Equals(FileSet other)
{
return(this == other);
}