public IActionResult AddUser(UserModel newUser)
{
// if model created from form passes validation set using data annotations
if (ModelState.IsValid)
{
// add the object created from form to db set
_context.users.Add(newUser);
// save changes to db
_context.SaveChanges();
// redirect to the ViewAll method in the Primary Controller
return(RedirectToAction("ViewAll", "Primary"));
}
else
// if model created from form does not pass validation set using data annotations
{
string displayErr = ""; // string to build
// method to return errors from inValid model
List <string> errors = GetErrorListFromModelState(ModelState);
// iterate through errors from invalid model and append each to display string
errors.ForEach(err => displayErr += $" {err} ");
// add message to view data dictionary
ViewData["errors"] = displayErr;
// render UserForm view and pass invalid model
return(View("userForm", newUser));
}
}
public IActionResult CreateBand(BandModel newBand)
{
if (ModelState.IsValid)
{
_context.bands.Add(newBand);
_context.SaveChanges();
return(RedirectToAction("Index"));
}
else
{
return(View("CreateBandForm", newBand));
}
}
public IActionResult AddProfessor(ProfessorModel newProf)
{
// if object passed to endpoint meets model validation
if (ModelState.IsValid)
{
// add to db
_context.professors.Add(newProf);
_context.SaveChanges();
// redirect to Index method
return(RedirectToAction("Index"));
}
else
// if object does not meet model validation
{
// display form again with invalid info
return(View("CreateForm", newProf));
}
}