public async Task <bool> UpLoadFile(List <IFormFile> files, BaiPost model)
{
if (files == null)
{
return(true);
}
string[] permittedExtensions = { ".png", ".jpeg", ".jpg" };
string uniqueFileName = null;
foreach (var file in files)
{
ImgBaiPost img = new ImgBaiPost();
var ext = Path.GetExtension(file.FileName).ToLowerInvariant();
if (string.IsNullOrEmpty(ext) || !permittedExtensions.Contains(ext))
{
return(false);
}
string UploadsFolder = Path.Combine(_hostingEnvironment.WebRootPath, "img/ThaoLuan");
uniqueFileName = Guid.NewGuid().ToString() + "_" + file.FileName;
string filePath = Path.Combine(UploadsFolder, uniqueFileName);
await file.CopyToAsync(new FileStream(filePath, FileMode.Create));
ImgBaiPost imgBaiPost = new ImgBaiPost {
IdbaiPost = model.Id,
TenAnh = file.FileName,
KichThuoc = FileSizeFormatter.FormatSize(file.Length),
AnhDinhKem = uniqueFileName
};
model.ImgBaiPost.Add(imgBaiPost);
}
return(true);
}
public bool DeleteImg(int[] idImg, BaiPost model)
{
foreach (int i in idImg)
{
ImgBaiPost imgBaiPost = model.ImgBaiPost.SingleOrDefault(x => x.Id == i);
if (imgBaiPost == null)
{
return(false);
}
model.ImgBaiPost.Remove(imgBaiPost);
}
return(true);
}
