public void UpdateLoan(int userID, int bookID, PatchLoanViewModel loan)
{
try
{
loanRepository.UpdateLoan(userID, bookID, loan);
}
catch (Exception ex)
{
throw ex;
}
}
public IActionResult UpdateLoan(int userID, int bookID, [FromBody] PatchLoanViewModel loan)
{
if (!ModelState.IsValid)
{
var error = new ErrorDTO
{
Code = 412,
Message = "Validation error. Invalid input"
};
return(StatusCode(error.Code, error));
}
try
{
bookService.UpdateLoan(userID, bookID, loan);
return(NoContent());
}
catch (NotFoundException ex)
{
var error = new ErrorDTO
{
Code = 404,
Message = ex.Message
};
return(StatusCode(error.Code, error));
}
catch (InvalidDataException ex)
{
var error = new ErrorDTO
{
Code = 409,
Message = ex.Message
};
return(StatusCode(error.Code, error));
}
catch (Exception ex)
{
var error = new ErrorDTO
{
Code = 500,
Message = ex.Message
};
return(StatusCode(error.Code, error));
}
}
public void UpdateLoan(int userID, int bookID, PatchLoanViewModel loan)
{
// Check if user exists
if (!db.Users.Where(u => u.ID == userID).Any())
{
throw new NotFoundException(userNotFoundMessage);
}
// Check if book exists
if (!db.Books.Where(b => b.ID == bookID).Any())
{
throw new NotFoundException(bookNotFoundMessage);
}
// Get entity from database
var loanEntity = db.Loans
.Where(l => l.UserID == userID && l.BookID == bookID && l.ReturnDate == null)
.SingleOrDefault();
if (loanEntity == null)
{
throw new NotFoundException(loanNotFoundMessage);
}
// Check if loan date is before return date
if (loan.ReturnDate.HasValue)
{
if ((loan.LoanDate.HasValue && loan.ReturnDate.Value < loan.LoanDate.Value) ||
(!loan.LoanDate.HasValue && loan.ReturnDate.Value < loanEntity.LoanDate))
{
throw new InvalidDataException(dateNonsenseMessage);
}
}
// Loan date
if (loan.LoanDate.HasValue)
{
loanEntity.LoanDate = loan.LoanDate.Value;
}
// Return date
if (loan.ReturnDate.HasValue)
{
loanEntity.ReturnDate = loan.ReturnDate.Value;
}
db.Loans.Update(loanEntity);
db.SaveChanges();
}
