public async Task Borrow(BorrowInputDto inputdto)
{
var isExist = await this.isExists(inputdto.GlobalId);
if (!isExist)
{
throw new Exception($"{inputdto.GlobalId},员工不存在,不允许借书.");
}
var isAvailable = await this.isAvailable(inputdto.BarCode);
if (!isAvailable)
{
throw new Exception($"{inputdto.BarCode},图书不存在,请联系管理员.");
}
var emp = await this.employeeService.Queryable().Where(x => x.GlobalId == inputdto.GlobalId).FirstAsync();
var stock = await this.stockService.Queryable().Where(x => (x.BarCode == inputdto.BarCode || x.ISBN == inputdto.BarCode) && x.Qty > 0)
.Include(x => x.Book)
.FirstAsync();
var checkout = new CheckOut();
checkout.GlobalId = emp.GlobalId;
checkout.Employee = emp;
checkout.EmployeeId = emp.Id;
checkout.Phone = inputdto.Phone;
checkout.ShortName = emp.ShortName;
checkout.DisplayName = emp.DisplayName;
checkout.BorrowDate = DateTime.Now;
checkout.ExpiryDate = DateTime.Now.AddMonths(1);
checkout.Expiry = false;
checkout.Days = (checkout.ExpiryDate.Value - checkout.BorrowDate).Days + 1;
checkout.Qty = 1;
checkout.Book = stock.Book;
checkout.BookId = stock.BookId;
checkout.BarCode = stock.BarCode;
checkout.ISBN = stock.ISBN;
checkout.Status = "Pending";
checkout.Title = stock.Title;
stock.Qty = stock.Qty - 1;
if (stock.Qty == 0)
{
stock.Status = "Out of Stock";
}
emp.Phone = inputdto.Phone;
var book = await this.bookService.FindAsync(stock.BookId);
book.Reads = book.Reads + 1;
this.bookService.Update(book);
this.employeeService.Update(emp);
this.stockService.Update(stock);
this.Insert(checkout);
this.logger.Info($"Borrow:{inputdto.GlobalId},{emp.DisplayName},{inputdto.BarCode},{stock.Title}");
}
public async Task <JsonResult> Borrow(BorrowInputDto inputdto)
{
try
{
await this.checkOutService.Borrow(inputdto);
await this.unitOfWork.SaveChangesAsync();
return(Json(new { success = true }, JsonRequestBehavior.AllowGet));
}
catch (Exception e)
{
return(Json(new { success = false, err = e.GetMessage() }, JsonRequestBehavior.AllowGet));
}
}
