public async Task <IApiResult> CarRequest([FromBody] Models.Parameter.P_Devices.P_CarRequest pars)
{
return(await ApiAsync(pars, new BLL.DeviceManager.Device().CarRequest));
}
public Task <IApiResult> CarRequest(Models.Parameter.P_Devices.P_CarRequest arg)
{
return(Task.Run(() =>
{
IApiResult hr = new IApiResult();
using (CarRentEntities cre = new CarRentEntities())
{
try
{
//var deviceQuery = from d in cre.Devices where d.DeviceID == arg.deviceid select new { d.Status,d.DeviceName };
//var device = deviceQuery.First();
//if (device.Status == 1)
//{
//}
var dev = from d in cre.Devices
join l in cre.LeaseRecord
on d.DeviceID equals l.DeviceID
into lr
from dli in lr.DefaultIfEmpty()
where d.DeviceID == arg.deviceid && d.Deleted == false
orderby dli.Created descending
select new{ dli.Status, devStatus = d.Status, d.UserID, d.DeviceID };
var query = dev.FirstOrDefault();
//Status (1:已租，0:未租)
if (query.Status == 1)
{
hr.code = StatusCode.failure;
hr.message = "Occupied."; //已经被别人申请了
}
else if (query.Status == 2)
{
hr.code = StatusCode.failure;
hr.message = "Occupied.";//已经租出去了
}
else
{
LeaseRecord lr = new LeaseRecord();
lr.DeviceID = query.DeviceID;
//1 已申请，等待确认，2 正在出租，3出租完成，4已拒绝
lr.Status = 1;
lr.UserPhone = arg.phone;
lr.UserID = query.UserID;
lr.Created = DateTime.Now;
lr = cre.LeaseRecord.Add(lr);
//DAL.Devices device = new DAL.Devices();
//device.Status = 1;
cre.SaveChanges();
hr.message = "success!";
}
}
catch (InvalidOperationException ioe)
{
hr.message = "未找到元素";
hr.code = StatusCode.error;
Log.Error(this, ioe);
}
catch (Exception ex)
{
hr.message = ex.Message;
hr.code = StatusCode.error;
Log.Error(this, ex);
}
return hr;
}
}));
}