public async Task <IActionResult> OnPostDogCreate([FromForm] int?id, [FromForm] string name,
[FromForm] string breed, [FromForm] DateTime birthday, [FromForm] string gender, [FromForm] string note,
[FromForm] int?course)
{
// Get user from session
var user = await HttpContext.Session.GetUser();
// Redirect to login page if user is invalid or user is a customer
if (user?.Admin_permission != true || id == null)
{
return(RedirectToPage("/Index"));
}
// Check if customer to add dog to is valid
var customer = await UserRepository.GetUser(id);
if (customer == null)
{
return(RedirectToPage("/Index"));
}
// Parse input gender to enum, or return if it failed
if (!Enum.TryParse <Gender>(gender, true, out var value))
{
return(RedirectToPage("/Index"));
}
// Create dog instance based on input
var dog = new Dog
{
User_ID = (int)id,
Name = name,
Breed = breed,
Date_of_birth = birthday,
Date_of_death = null,
Gender = value,
Note = note
};
// Save newly created dog in database and return if course wasn't specified
await DogRepository.Save(dog);
if (course == null)
{
return(await OnGetAsync(id));
}
// Enroll the inserted dog into the requested course
var dogId = await DogRepository.GetDogId(dog);
await CourseRepository.Enroll(dogId, course);
return(await OnGetAsync(id));
}