public static (bool isDefault, byte[] bytes) GetPicture(PictureDefinition def)
{
if (!cache.ContainsKey(def))
{
var path = getPath(def);
cache[def]
= File.Exists(path)
? File.ReadAllBytes(path)
: null;
}
return(cache[def] == null, cache[def] ?? getDefaultImage(def.Size));
}
private static void saveFile(PictureDefinition def, byte[] bytes)
{
var path = getPath(def);
File.WriteAllBytes(path, bytes);
}
private static string getPath(PictureDefinition def)
=> Path.Combine(ImagesDirectory, $"{def.PictureId}{def.Size}.jpg");
private static byte[] downloadBytes(PictureDefinition def)
{
var sz = def.Size.ToString().Split('x')[1];
return(imageDownloadClient.GetByteArrayAsync("ht" + $"tps://images-na.ssl-images-amazon.com/images/I/{def.PictureId}._SL{sz}_.jpg").Result);
}