public async Task <IActionResult> EditNews(NewsImageTagsEditViewModel newsViewModel, string tagList)
{
if (string.IsNullOrEmpty(tagList))
{
TempData["Error"] = "خبر حداقل باید یک برچسب داشته باشد";
return(RedirectToAction("EditNews", new { id = newsViewModel.News.Id }));
}
newsViewModel.News.Tags = tagList;
if (!ModelState.IsValid)
{
return(View(newsViewModel));
}
if (newsViewModel.File != null && newsViewModel.File.Length != 0)
{
var oldImage = newsViewModel.News.ImageName;
string oldImagePath = Path.Combine(Directory.GetCurrentDirectory(),
"wwwroot/Administrators/assets/images/news/", oldImage);
if (System.IO.File.Exists(oldImagePath))
{
System.IO.File.Delete(oldImagePath);
}
else
{
TempData["Error"] = "خطا در حذف عکس قبلی";
return(RedirectToAction("News"));
}
newsViewModel.News.ImageName = Guid.NewGuid() + Path.GetExtension(newsViewModel.File.FileName);
string savePath = Path.Combine(
Directory.GetCurrentDirectory(), "wwwroot/Administrators/assets/images/news",
newsViewModel.News.ImageName
);
await using var stream = new FileStream(savePath, FileMode.Create);
await newsViewModel.File.CopyToAsync(stream);
}
_db.News.Update(newsViewModel.News);
await _db.SaveChangesAsync();
TempData["Success"] = "خبر با موفقیت ویرایش شد";
return(RedirectToAction("News"));
}
public async Task <IActionResult> EditNews(int id = 0)
{
if (id == 0)
{
return(NotFound());
}
var news = await _db.News.FindAsync(id);
if (news == null)
{
return(NotFound());
}
var newsViewModel = new NewsImageTagsEditViewModel()
{
News = news
};
return(View(newsViewModel));
}