public IActionResult UploadImage(IList <IFormFile> files)
{
IFormFile uploadedImage = files.FirstOrDefault();
if (uploadedImage == null || uploadedImage.ContentType.ToLower().StartsWith("image/"))
{
using (ImageDBContext dbContext = new ImageDBContext())
{
MemoryStream ms = new MemoryStream();
uploadedImage.OpenReadStream().CopyTo(ms);
System.Drawing.Image image = System.Drawing.Image.FromStream(ms);
Models.Image imageEntity = new Models.Image()
{
Id = Guid.NewGuid(),
Name = uploadedImage.Name,
Data = ms.ToArray(),
Width = image.Width,
Height = image.Height,
ContentType = uploadedImage.ContentType
};
dbContext.Images.Add(imageEntity);
dbContext.SaveChanges();
}
}
return(RedirectToAction("Index"));
}
public IActionResult Index()
{
using (ImageDBContext dbContext = new ImageDBContext())
{
List <Guid> iamgeIds = dbContext.Images.Select(m => m.Id).ToList();
return(View(iamgeIds));
}
}
public FileStreamResult ViewImage(Guid id)
{
using (ImageDBContext dbContext = new ImageDBContext())
{
Models.Image image = dbContext.Images.FirstOrDefault(m => m.Id == id);
MemoryStream ms = new MemoryStream(image.Data);
return(new FileStreamResult(ms, image.ContentType));
}
}
public ImageController(ImageDBContext context, IHostingEnvironment hostEnvironment)
{
_context = context;
this._hostEnvironment = hostEnvironment;
}
