public async Task <IActionResult> Create([Bind("RentedBookID,StudentID,BookID,RentDate,ReturnDate")] RentedBook rentedBook)
{
Book book = _context.Books.Find(rentedBook.BookID);
var checkBook = _context.RentedBooks
.Include(r => r.Book)
.Include(r => r.Student).ToList();
// if there are more than 1, book will be issued
if (book.AvailableQuantity >= 1)
{
book.AvailableQuantity -= 1;
_context.Entry(book).State = EntityState.Modified;
if (ModelState.IsValid)
{
_context.Add(rentedBook);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
// if none, give a message telling user that the book is current unavailable
else
{
ModelState.AddModelError(string.Empty,
"The book is unavailable! It is rented by other students.");
}
ViewData["BookID"] = new SelectList(_context.Books, "BookID", "BookID", rentedBook.BookID);
ViewData["StudentID"] = new SelectList(_context.Students, "StudentID", "StudentID", rentedBook.StudentID);
return(View(rentedBook));
}
public async Task <IActionResult> Create([Bind("Id,Name")] ResourceList resourceList)
{
if (ModelState.IsValid)
{
_context.Add(resourceList);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(resourceList));
}
public async Task <IActionResult> Create([Bind("Id,TagValue")] TopicTag topicTag)
{
if (ModelState.IsValid)
{
_context.Add(topicTag);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(topicTag));
}
public async Task <IActionResult> Create([Bind("Id,Name,Description,Phase,ReleaseDate")] CinematicItem cinematicItem)
{
if (ModelState.IsValid)
{
_context.Add(cinematicItem);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(cinematicItem));
}
public async Task <IActionResult> Create([Bind("Id,FeedUrl,LearningResourceId")] ContentFeed contentFeed)
{
if (ModelState.IsValid)
{
_context.Add(contentFeed);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["LearningResourceId"] = new SelectList(_context.LearningResources, "Id", "Id", contentFeed.LearningResourceId);
return(View(contentFeed));
}
public async Task <IActionResult> Create([Bind("RentedBookID,StudentID,BookID,RentDate,ReturnDate")] RentedBook rentedBook)
{
if (ModelState.IsValid)
{
_context.Add(rentedBook);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["BookID"] = new SelectList(_context.Books, "BookID", "BookID", rentedBook.BookID);
ViewData["StudentID"] = new SelectList(_context.Students, "StudentID", "StudentID", rentedBook.StudentID);
return(View(rentedBook));
}
public async Task <IActionResult> Create([Bind("BookName,Author,Edition,ISBN,Subject,PublicDate,Format,NumofPages,AvailableQuantity")] Book book)
{
try
{
if (ModelState.IsValid)
{
_context.Add(book);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
catch (DbUpdateException /* ex */)
{
ModelState.AddModelError("", "Unable to save changes. " + "Please check if there are any errors with the database");
}
return(View(book));
}
public async Task <IActionResult> Create([Bind("StudentFirstName,StudentLastName,StudentEmail,StudentPhoneNumber")] Student student)
{
try
{
if (ModelState.IsValid)
{
_context.Add(student);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
catch (DbUpdateException /* ex */)
{
//Log the error (uncomment ex variable name and write a log.
ModelState.AddModelError("", "Unable to save changes. " +
"Try again, and if the problem persists " +
"see your system administrator.");
}
return(View(student));
}
public void Create(T entity)
{
_context.Add(entity);
Save();
}
