public async Task <IActionResult> AddPhotoForBlog(int blogId, PhotoBlogForCreation photoDto)
{
try
{
var result = await _photoService.AddPhotoForBlog(blogId, photoDto);
if (result == 0)
{
return(new BadRequestObjectResult(new { Message = "Không tìm thấy hình ảnh tải lên. Vui lòng kiểm tra lại!" }));
}
return(Ok(new { Message = "Đăng hình ảnh thành công!" }));
}
catch (Exception ex)
{
return(new BadRequestObjectResult(new { Message = ex.Message.ToString() }));
}
}
public async Task <int> AddPhotoForBlog(int blogId, PhotoBlogForCreation photoDto)
{
if (photoDto.File == null)
{
return(0);
}
PhotoBlog photo;
var blog = await _db // 1.
.Blogs
.Where(u => u.BlogId == blogId)
.FirstOrDefaultAsync();
var uploadResult = new ImageUploadResult();
if (photoDto.File.Length > 0) // 4.
{
using (var stream = photoDto.File.OpenReadStream())
{
var uploadParams = new ImageUploadParams()
{
File = new FileDescription(photoDto.File.Name, stream),
Transformation = new Transformation() // *
.Width(500).Height(500)
.Crop("fill")
.Gravity("face")
};
uploadResult = _cloudinary.Upload(uploadParams); // 5.
}
}
photoDto.Url = uploadResult.Uri.ToString(); // 4. (cont'd)
photoDto.PublicId = uploadResult.PublicId;
photo = new PhotoBlog
{
BlogId = blogId,
Url = photoDto.Url,
Description = photoDto.Description,
DateAdded = photoDto.DateAdded,
PublicId = photoDto.PublicId
};
blog.PhotoBlog = photo;
await SaveAll();
return(1);
}
