public IActionResult AddAlbum(AddAlbumModel model)
{
if (ModelState.IsValid)
{
int albumId = albumService.AddAlbum(model.Name);
return(RedirectToAction("Album", "Profile", new { albumId }));
}
var albums = albumService.GetAll(currentUser.Id);
AlbumsViewModel modelEdit = new AlbumsViewModel()
{
CanEdit = true,
Album = albums.Select(e => mapper.Map <AlbumDomainModel>(e)).ToList(),
AddAlbumModel = model
};
return(View("Albums", modelEdit));
}
public async Task <IActionResult> AddAlbum(AddAlbumModel model, string returnUrl = null)
{
if (string.IsNullOrEmpty(model.Name)) //这里应该是要前端检查的。
{
return(View(model));
}
if (ModelState.IsValid)
{
ViewData["ReturnUrl"] = returnUrl;
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(View(model)); //失败,因为用户不存在
}
//查看是否有重名Album
var query = _context.Albums.Where(q => q.BelongerId == user.Id && q.Name == model.Name);
if (query.Any())
{
return(View(model)); //有重名,失败
}
//创建album
var album = new UserAlbum()
{
Name = model.Name, BelongerId = user.Id
};
_context.Albums.Add(album);
_context.SaveChanges();
//为该相册创建目录
var webRootPath = _hostingEnvironment.WebRootPath;
var albumPath = $"{webRootPath}/images/Albums/{album.Id}";
Directory.CreateDirectory(albumPath);
album.AlbumPath = $"/images/Albums/{album.Id}";
_context.SaveChanges(); //之所以访问两遍数据库时,是因为第一次访问数据库后,album.Id才能确定。
return(Redirect(returnUrl));
}
return(View(model)); //失败
}
