public ActionResult Edit(int id)
{
var mailForm = DB2.Emails.Find(id);
// файлы, присоединенные к форме
var mediaFiles = mailForm.MediaFiles
.Select(x => new { x.Id, x.ImageName })
.ToList()
.Select(x => Tuple.Create(x.Id, x.ImageName))
.ToList();
var mediaFilesIds = mediaFiles.Select(y => y.Item1).ToList();
// все доступные файлы, кроме уже присоединенных
var allMediaFiles = DB2.MediaFiles
.Where(x => x.EntityType == EntityType.Email && !mediaFilesIds.Contains(x.Id))
.Select(x => new { x.Id, x.ImageName })
.ToList()
.Select(x => Tuple.Create(x.Id, x.ImageName))
.ToList();
var model = new MailFormUi()
{
Body = mailForm.Body,
Description = mailForm.Description,
Id = mailForm.Id,
Subject = mailForm.Subject,
MediaFiles = mediaFiles,
AllMediaFiles = allMediaFiles
};
return(View(model));
}
public ActionResult Edit(MailFormUi model)
{
var mailForm = DB2.Emails.SingleOrDefault(x => x.Id == model.Id);
if (mailForm == null)
{
return(RedirectToAction("Index"));
}
mailForm.Body = model.Body;
mailForm.Subject = model.Subject;
DB2.SaveChanges();
return(RedirectToAction("Edit", new { id = model.Id }));
}
