public override async Task OnNavigateTo(object parameter)
{
await base.OnNavigateTo(parameter);
try
{
var session = parameter as EvolveSession;
if (session != null)
{
IsBusy = true;
Session = session;
VideoDownload = await _downloadManager.GetDownloadForSessionAsync(Session);
if (VideoDownload!=null)
{
VideoDownload.DownloadCompleted += OnVideoCompleted;
}
}
}
catch (Exception ex)
{
// TODO: Log error
await _dialogService.ShowMessageAsync("Error", "Is not possible load the item");
_navigationService.GoBack();
}
}
private async Task DeleteDownloadAsync()
{
try
{
if (HasDownload)
{
await this._downloadManager.DeleteDownloadAsync(this.VideoDownload);
this.VideoDownload = null;
}
}
catch (Exception ex)
{
await this._logService.LogExceptionAsync(ex);
}
}
private async Task DownloadVideoAsync()
{
try
{
if (!this._networkService.IsOnline)
{
await this._dialogService.ShowMessageAsync("No internet access", "A network connection is neccessary to download the video");
return;
}
await _downloadManager.QueueDownloadAsync(Session);
VideoDownload = await _downloadManager.GetDownloadForSessionAsync(Session);
if (VideoDownload != null)
{
VideoDownload.DownloadCompleted += OnVideoCompleted;
}
}
catch (Exception ex)
{
await _dialogService.ShowMessageAsync("Error", "Is not possible download the video");
await this._logService.LogExceptionAsync(ex);
}
}
public async Task ResumeDownload(IVideoDownload download)
{
var selected = Downloads.FirstOrDefault(x => x.Id == download.Id);
if (selected != null)
{
await download.ResumeAsync();
await this.SaveDownloasdToStorageAsync();
}
}
public async Task DeleteDownloadAsync(IVideoDownload download)
{
var selected = Downloads.FirstOrDefault(x => x.Id == download.Id);
if (selected != null)
{
await selected.DeleteAsync();
Downloads.Remove(selected);
await this.SaveDownloasdToStorageAsync();
}
}
private async Task UpdateDownloadsAsync(IVideoDownload download)
{
var localDownload = this.Downloads.FirstOrDefault(x => x.Id == download.Id);
if (localDownload != null)
{
////localDownload.Status = download.Status;
//localDownload.LocalFileUrl = download.LocalFileUrl;
////localDownload.Percentage = download.Percentage;
//localDownload.SessionId = download.SessionId;
await SaveDownloasdToStorageAsync();
}
}