public virtual FileResult GetTrackImage(int id)
{
TrackImage image = trackPresentation.RedirecttrackImage(id);
if (image != null)
{
return(File(image.ImageData, image.ImageMimeType));
}
return(null);
}
public virtual FileResult GetTrackImage(int id)
{
TrackImage image = adminTrack.RedirectTrackImage(id);
if (image != null)
{
return(File(image.ImageData, image.ImageMimeType));
}
return(null);
}
public Task <byte[]> GetImageAsync(string albumId, TrackImage image, string folderPath)
{
if (string.IsNullOrEmpty(albumId))
{
return(null);
}
string cacheFileName = CreateAndGetCacheName(albumId, image, folderPath);
if (string.IsNullOrEmpty(cacheFileName))
{
return(Task.FromResult <byte[]>(null));
}
return(_downloader.ReadDownloadedFileAsync(cacheFileName));
}
/// <summary>
/// Downloads images in "original" size and saves them to cache.
/// </summary>
/// <param name="image">Image to download</param>
/// <param name="folderPath">The folder to store the image</param>
/// <returns><c>true</c> if successful</returns>
public Task <bool> DownloadImageAsync(string albumId, TrackImage image, string folderPath)
{
if (string.IsNullOrEmpty(albumId))
{
return(Task.FromResult(false));
}
string cacheFileName = CreateAndGetCacheName(albumId, image, folderPath);
if (string.IsNullOrEmpty(cacheFileName))
{
return(Task.FromResult(false));
}
return(_downloader.DownloadFileAsync(image.ImageUrl, cacheFileName));
}
public byte[] GetImage(string albumId, TrackImage image, string folderPath)
{
if (string.IsNullOrEmpty(albumId))
{
return(null);
}
string cacheFileName = CreateAndGetCacheName(albumId, image, folderPath);
if (string.IsNullOrEmpty(cacheFileName))
{
return(null);
}
return(_downloader.ReadDownloadedFile(cacheFileName));
}
/// <summary>
/// Downloads images in "original" size and saves them to cache.
/// </summary>
/// <param name="image">Image to download</param>
/// <param name="folderPath">The folder to store the image</param>
/// <returns><c>true</c> if successful</returns>
public bool DownloadImage(string albumId, TrackImage image, string folderPath)
{
if (string.IsNullOrEmpty(albumId))
{
return(false);
}
string cacheFileName = CreateAndGetCacheName(albumId, image, folderPath);
if (string.IsNullOrEmpty(cacheFileName))
{
return(false);
}
_downloader.DownloadFile(image.ImageUrl, cacheFileName);
return(true);
}
/// <summary>
/// Creates a local file name for loading and saving <see cref="TrackImage"/>s.
/// </summary>
/// <param name="image"></param>
/// <param name="folderPath"></param>
/// <returns>Cache file name or <c>null</c> if directory could not be created</returns>
protected string CreateAndGetCacheName(string id, TrackImage image, string folderPath)
{
try
{
string prefix = string.Format(@"MB({0})_", id);
if (!Directory.Exists(folderPath))
{
Directory.CreateDirectory(folderPath);
}
return(Path.Combine(folderPath, prefix + image.ImageUrl.Substring(image.ImageUrl.LastIndexOf('/') + 1)));
}
catch
{
// TODO: logging
return(null);
}
}
