public ActionResult Create([Bind(Include = "MessageId,Title,Body,Date,TopicId,MemberId")] MessageViewModel messageVm, int? CurrentTopics, int? CurrentUsers)
{
if (ModelState.IsValid)
{
// Check if the topic is new, if so create and save a new topic to the database before adding the TopicId to the new message
Topic topic = (from t in db.Topics
where t.TopicId == CurrentTopics
select t).FirstOrDefault();
if (topic == null)
{
topic = new Topic() { Title = messageVm.Subject.Title };
db.Topics.Add(topic);
db.SaveChanges();
}
// Using the MessageViewModel input, create a message object
Message message = new Message()
{
Body = messageVm.Body,
Date = DateTime.Now,
MemberId = (int)CurrentUsers, // Cast possibly null int, app will still crash if it is not filled when form is submitted. TODO: modify when Member is stored in session
TopicId = topic.TopicId
};
// Add and save Message to db
db.Messages.Add(message);
db.SaveChanges();
// Redirect user to the forum topic which they just added a message to
return RedirectToAction("Details", "Topics", new { id = topic.TopicId });
}
// If form is not completed properly, repopulate the dropdownlist for members and topics
ViewBag.CurrentUsers = new SelectList(db.Members.OrderBy(m => m.UserName), "MemberId", "UserName");
ViewBag.CurrentTopics = new SelectList(db.Topics.OrderBy(s => s.Title), "TopicId", "Title");
return View(messageVm);
}
public ActionResult Create([Bind(Include = "MessageId,Body,Date,Subject,User")] MessageViewModel messageVm, int? CurrentUsers)
{
// Verify form has appropriate data and that a user has been marked
if (ModelState.IsValid && CurrentUsers != null)
{
// Add new Topic to db, then create a message under that topic
Topic topic = new Topic() { Title = messageVm.Subject.Title };
db.Topics.Add(topic);
db.SaveChanges();
Message message = new Message() { Body = messageVm.Body, Date = DateTime.Now, MemberId = (int)CurrentUsers, TopicId = topic.TopicId };
db.Messages.Add(message);
db.SaveChanges();
return RedirectToAction("Index");
}
// If form is invalid repopulate form with sent data, also repopulate the user dropdownlist
ViewBag.CurrentUsers = new SelectList(db.Members.OrderBy(m => m.UserName), "MemberId", "UserName");
return View(messageVm);
}