public async Task <IActionResult> Edit(FilmEditViewModel model)
{
if (!ModelState.IsValid)
{
return(RedirectToAction(nameof(Edit), new { id = model.Id }));
}
var item = await films.GetAsync(model.Id);
if (item == null)
{
return(NotFound());
}
if (model.Producer != item.Producer?.Name)
{
item.ProducerId = producers.LoadOrCreate(model.Producer);
}
if (model.Poster != null)
{
int newPosterId = await posters.AddAsync(model.Poster);
if (newPosterId > 0 && item.PosterId != null)
{
await posters.DeleteAsync((int)item.PosterId);
}
item.PosterId = newPosterId;
}
item.Name = model.Name;
item.Description = model.Description;
item.Producer = null;
item.Year = model.Year;
await films.SaveAsync(item);
return(RedirectToAction(nameof(Edit), new { id = item.Id }));
}
