public ActionResult EditPost(NoteEditViewModel model)
{
if (ModelState.IsValid)
{
var noteService = new NoteService();
var userId = Guid.Parse(User.Identity.GetUserId());
var result = noteService.Update(model, userId);
TempData.Add("Result", result ? "Note updated." : "Note not updated.");
return RedirectToAction("Index");
}
return View();
}
/// <summary>
/// Create a note.
/// </summary>
/// <param name="model"></param>
/// <param name="userId"></param>
/// <returns></returns>
public bool Create(NoteEditViewModel model, Guid userId)
{
using (var context = new ElevenNoteDataContext())
{
var note = new Note();
note.Title = model.Title;
note.Contents = model.Contents;
note.DateCreated = DateTime.UtcNow;
note.ApplicationUserId = userId;
note.IsFavorite = model.IsFavorite;
context.Notes.Add(note);
var result = context.SaveChanges();
return result == 1;
}
}
public bool Update(NoteEditViewModel model, Guid userId)
{
using (var context = new ElevenNoteDataContext())
{
// Attempt to get the note from the database.
var note = context.Notes.Where(w => w.Id == model.Id && w.ApplicationUserId == userId).SingleOrDefault();
// Functionally equivalent expressive syntax:
//var note2 = (from w in context.Notes
// where w.Id == model.Id && w.ApplicationUserId == userId
// select w).SingleOrDefault();
// Make sure we actually received a note back before updating.
if (note == null) return false;
// Update the note.
note.Contents = model.Contents;
note.Title = model.Title;
note.DateModified = DateTime.UtcNow;
note.IsFavorite = model.IsFavorite;
// Save the changes to the database.
var result = context.SaveChanges();
return result == 1 /* was 1 record (success) or 0 records (unsuccessful) updated? */;
}
}
