/// <summary>
/// Saves image data to image data folder file.
/// </summary>
/// <param name="ImageGuid">Image GUID.</param>
/// <param name="Data">Binary image data to save.</param>
/// <returns>true if the function succeeds, false otherwise.</returns>
public static async Task <bool> SaveImageDataAsync(Guid ImageGuid, byte[] Data)
{
log.Trace("(ImageGuid:'{0}',Data.Length:{1})", ImageGuid, Data != null ? Data.Length.ToString() : "n/a");
bool res = false;
if ((Data != null) && (Data.Length > 0))
{
try
{
string fileName = GetImageFileName(ImageGuid);
string path = Path.GetDirectoryName(fileName);
Directory.CreateDirectory(path);
await FileAsync.WriteAllBytesAsync(fileName, Data);
res = true;
}
catch (Exception e)
{
log.Error("Exception occurred: {0}", e.ToString());
}
}
log.Trace("(-):{0}", res);
return(res);
}
/// <summary>
/// Loads image data from a file.
/// </summary>
/// <param name="ImageGuid">Image GUID.</param>
/// <returns>Binary image data if the function succeeds, null in case of error.</returns>
public static async Task <byte[]> GetImageDataAsync(Guid ImageGuid)
{
log.Trace("(ImageGuid:'{0}')", ImageGuid);
byte[] res = null;
string fileName = GetImageFileName(ImageGuid);
if (fileName != null)
{
try
{
res = await FileAsync.ReadAllBytesAsync(fileName);
}
catch (Exception e)
{
log.Error("Exception occurred: {0}", e.ToString());
}
}
log.Trace("(-):*.Lenght={0}", res != null ? res.Length.ToString() : "n/a");
return(res);
}