public ActionResult Create(User user)
{
if (ModelState.IsValid)
{
db.Users.Add(user);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.RoleID = new SelectList(db.Roles, "RoleID", "RoleName", user.RoleID);
return View(user);
}
public ActionResult Edit(User user)
{
if (ModelState.IsValid)
{
db.Entry(user).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.RoleID = new SelectList(db.Roles, "RoleID", "RoleName", user.RoleID);
return View(user);
}
public void CreateUser(string username, string name, string password, string email, string roleName)
{
Role role = GetRole(roleName);
if (string.IsNullOrEmpty(username.Trim()))
throw new ArgumentException("The user name provided is invalid. Please check the value and try again.");
if (string.IsNullOrEmpty(name.Trim()))
throw new ArgumentException("The name provided is invalid. Please check the value and try again.");
if (string.IsNullOrEmpty(password.Trim()))
throw new ArgumentException("The password provided is invalid. Please enter a valid password value.");
if (string.IsNullOrEmpty(email.Trim()))
throw new ArgumentException("The e-mail address provided is invalid. Please check the value and try again.");
if (!RoleExists(role))
throw new ArgumentException("The role selected for this user does not exist! Contact an administrator!");
if (this.context.Users.Any(user => user.UserName == username))
throw new ArgumentException("Username already exists. Please enter a different user name.");
User newUser = new User()
{
UserName = username,
Name = name,
Password = FormsAuthentication.HashPasswordForStoringInConfigFile(password.Trim(), "md5"),
Email = email,
RoleID = role.RoleID
};
try
{
AddUser(newUser);
}
catch (ArgumentException ae)
{
throw ae;
}
catch (Exception e)
{
throw new ArgumentException("The authentication provider returned an error. Please verify your entry and try again. " +
"If the problem persists, please contact your system administrator.");
}
// Immediately persist the user data
Save();
}
private void AddUser(User user)
{
if (UserExists(user))
throw new ArgumentException(TooManyUser);
context.Users.Add(user);
}
public bool UserExists(User user)
{
if (user == null)
return false;
return (context.Users.SingleOrDefault(u => u.UserID == user.UserID || u.UserName == user.UserName) != null);
}
public Role GetRoleForUser(User user)
{
if (!UserExists(user))
throw new ArgumentException(MissingUser);
return user.Role;
}
public void DeleteUser(User user)
{
if (!UserExists(user))
throw new ArgumentException(MissingUser);
context.Users.Remove(user);
}
