public async Task <BillEditForm> GetEditBillFormAsync(int billId, string userId)
{
var bill = _billsService.GetById(billId);
if (bill == null)
{
throw null;
}
if (bill.Payed)
{
return(null); //已經支付, 應該去Details
}
var form = new BillEditForm()
{
Bill = bill.MapViewModel(_mapper)
};
bool canPay = !bill.Expired;
if (canPay)
{
var bills = await _billsService.FetchByUserAsync(new User { Id = userId }, new Plan { Id = bill.PlanId });
if (bills.HasItems())
{
//查看是否已經有同方案, 已支付的帳單
var payedBill = bills.Where(x => x.Payed).FirstOrDefault();
if (payedBill != null)
{
canPay = false;
}
}
}
if (canPay)
{
var payways = (await _paysService.FetchPayWaysAsync()).GetOrdered();
form.PayWays = payways.MapViewModelList(_mapper);
}
return(form);
}
public async Task <ActionResult> Edit(int id)
{
var bill = _billsService.GetById(id);
if (bill == null)
{
return(NotFound());
}
if (bill.Payed)
{
return(NotFound()); //已經支付, 應該去Details
}
var form = new BillEditForm()
{
Bill = bill.MapViewModel(_mapper)
};
bool canPay = !bill.Expired;
if (canPay)
{
var bills = await _billsService.FetchByUserAsync(new User { Id = CurrentUserId }, new Plan { Id = bill.PlanId });
if (bills.HasItems())
{
//查看是否已經有同方案, 已支付的帳單
var payedBill = bills.Where(x => x.Payed).FirstOrDefault();
if (payedBill != null)
{
canPay = false;
}
}
}
if (canPay)
{
var payways = (await _paysService.FetchPayWaysAsync()).GetOrdered();
form.PayWays = payways.MapViewModelList(_mapper);
}
return(Ok(form));
}
public async Task <BillEditForm> GetCreateBillFormAsync(string userId)
{
var indexModel = await GetSubscribesIndexViewAsync(userId);
var model = new BillEditForm();
var plan = indexModel.Plan;
if (plan == null)
{
return(model); //正在訂閱期內或無方案可訂閱
}
//查看是否已經有帳單未繳(同方案)
var bills = await _billsService.FetchByUserAsync(new User { Id = userId }, new Plan { Id = plan.Id });
if (bills.HasItems())
{
//帳單有繳的話, 應該在訂閱期內
//所以應該只會有未繳的
var unPayedBills = bills.Where(x => !x.Payed).ToList();
if (unPayedBills.IsNullOrEmpty())
{
//沒有未繳帳單,異常
//例外
_logger.LogException(new BillPayedButNoCurrentSubscribe(new User {
Id = userId
}, new Plan {
Id = plan.Id
}));
return(model);
}
else
{
//有未繳帳單, 找沒過期的
var canPayBill = unPayedBills.Where(x => !x.Expired).FirstOrDefault();
if (canPayBill != null)
{
model.Bill = canPayBill.MapViewModel(_mapper);
}
}
}
//只有進行到這裡,才可建立新訂單
model.Plan = plan;
var payways = (await _paysService.FetchPayWaysAsync()).GetOrdered();
model.PayWays = payways.MapViewModelList(_mapper);
if (model.Bill == null)
{
model.Bill = new BillViewModel()
{
PayWayId = payways.FirstOrDefault().Id
}
}
;
return(model);
}
