// GET: Posts/Edit/5
public async Task <IActionResult> Edit(Guid?id)
{
if (id == null)
{
return(NotFound());
}
var personalPost = await _context.PersonalPost.SingleOrDefaultAsync(m => m.Id == id);
if (personalPost == null)
{
return(NotFound());
}
PersonalPostViewModel personalPostViewModel = new PersonalPostViewModel
{
Id = personalPost.Id,
Content = personalPost.Content,
InsertDate = personalPost.InsertDate,
LastUpdated = personalPost.LastUpdated,
UserId = personalPost.UserId
};
if (personalPost.ImageUrls != null && personalPost.ImageUrls != "")
{
personalPostViewModel.StoredImageUrls = personalPost.ImageUrls.Split(";");
}
return(View(personalPostViewModel));
}
public async Task <IActionResult> Edit(Guid id, [Bind("Id,Content,StoredImageUrls,NewImages,InsertDate,LastUpdated,UserId")] PersonalPostViewModel personalPostViewModel)
{
if (id != personalPostViewModel.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
PersonalPost personalPost = _context.PersonalPost.Where(p => p.Id == id).FirstOrDefault();
personalPost.Content = personalPostViewModel.Content;
personalPost.InsertDate = personalPostViewModel.InsertDate;
personalPost.LastUpdated = DateTime.Now;
personalPost.UserId = personalPostViewModel.UserId;
string existingImages = _context.PersonalPost.Where(p => p.Id == personalPost.Id).FirstOrDefault().ImageUrls;
//delete unselected images
if (existingImages != null && existingImages != "")
{
if (personalPostViewModel.StoredImageUrls == null)
{
_DeleteImages(personalPost.ImageUrls);
}
else
{
foreach (string image in personalPost.ImageUrls.Split(";"))
{
if (!personalPostViewModel.StoredImageUrls.Contains(image))
{
_DeleteOneImage(image);
}
}
}
}
//upload image new images
int startNumber = 0;
if (personalPost.ImageUrls != null && personalPost.ImageUrls != "")
{
startNumber = personalPost.ImageUrls.Split(";").Count();
}
string[] newImages = _UploadImages(personalPostViewModel.NewImages, personalPost.Id.ToString(), startNumber + 1);
personalPost.ImageUrls = _CreateImageUrls(personalPostViewModel.StoredImageUrls, newImages);
_context.Update(personalPost);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!_PersonalPostExists(personalPostViewModel.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(personalPostViewModel));
}
