/// <summary>
/// Downloads a list of images asynchronously.
/// </summary>
/// <param name="uris">Uri list of the images.</param>
/// <param name="progress">Progress object tied to the progress bar.</param>
/// <returns>A list of properties of the images downloaded.</returns>
public List <LightshotImage> DownloadImagesAsync(List <Uri> uris, ProgressBar progress)
{
var images = new List <LightshotImage>();
int count = 0;
foreach (var uri in uris)
{
count++;
_image = new LightshotImage(uri);
if (IsImageValid() && !DoesImageExist())
{
images.Add(DownloadImage(uri));
progress.Report((count * 100) / uris.Count, _image);
continue;
}
string message = !IsImageValid() ?
$"\rImage {_image.Name} does not exist on the site! " :
$"\rImage {_image.Name} already exists in the selected directory! ";
Console.WriteLine(message);
progress.DrawCurrentProgressBar();
}
return(images);
}
/// <summary>
/// Downloads an image.
/// </summary>
/// <param name="uri">An image's uri.</param>
/// <returns>The image's properties.</returns>
public LightshotImage DownloadImage(Uri uri)
{
_image = new LightshotImage(uri);
if (IsImageValid())
{
return(SaveImage());
}
return(null);
}
/// <summary>
/// Retports a successfull pass and updates the loading bar.
/// </summary>
/// <param name="percentage">Percentage to set the progress bar to.</param>
/// <param name="image">Properties of an image.</param>
public void Report(double percentage, LightshotImage image)
{
_image = image;
_percentage = (int)percentage;
double leftOver = (double)_blockCount / 10;
double blockInterval = Math.Round(10 / leftOver, 2);
if (_percentage >= blockInterval)
{
_loadedBlocks = (int)((_percentage - (_percentage % blockInterval)) / blockInterval);
}
UpdateText();
}
