/// <summary>
/// Used for make image url to be base64 url which has header id means has multiple images
/// </summary>
/// <param name="id">header id => product id</param>
/// <param name="item">Model has image</param>
/// <param name="fileUtility">file utility helper</param>
/// <param name="folderName">folder group name => Manufacturer, Product, Category</param>
/// <param name="cancellationToken"></param>
/// <returns>base64 format image model</returns>
public static async Task <T> GetImageBase64UrlAsync(string id, T item, IFileUtility fileUtility,
string folderName, CancellationToken cancellationToken)
{
var imageFileExtension = Path.GetExtension(item.ImageName);
var buffer = await fileUtility.ReadFileAsync(folderName + "/" + id, item.ImageName, cancellationToken);
item.ImageUrl = "data:image/" + imageFileExtension.Substring(1) + ";base64," +
Convert.ToBase64String(buffer);
return(item);
}
public async Task <IActionResult> GetManufacturerImageAsync(int id, CancellationToken cancellationToken)
{
if (id <= 0)
{
return(BadRequest(new { Message = $"Invalid Manufacturer Id." }));
}
var item = await _catalogContext.Manufacturers
.SingleOrDefaultAsync(ci => ci.Id == id, cancellationToken);
if (item != null)
{
var imageFileExtension = Path.GetExtension(item.ImageName);
var mimetype = FileHelper.GetImageMimeTypeFromImageFileExtension(imageFileExtension);
var buffer =
await _fileUtility.ReadFileAsync("Manufacturer/" + item.Id, item.ImageName, cancellationToken);
return(File(buffer, mimetype));
}
return(NotFound());
}
