public void CancelLeaveApplication(LeaveApplication leaveApplication)
{
if (leaveApplication.TaskState == TaskState.Approved)
{
throw new InvalidOperationException("审批完成的申请不可以取消或删除");
}
AnnualLeaveStatistic annualLeaveStatistic = GetAnnualLeaveStatistic(leaveApplication.Initiator);
annualLeaveStatistic.RemainingDays = annualLeaveStatistic.RemainingDays + leaveApplication.TotalDays;
using (DbContextTransaction transaction = _context.Database.BeginTransaction())
{
try
{
_context.LeaveApplications.Attach(leaveApplication);
_context.Entry(leaveApplication).State = EntityState.Modified;
_context.AnnualLeaveStatistics.Attach(annualLeaveStatistic);
_context.Entry(annualLeaveStatistic).State = EntityState.Modified;
_context.SaveChanges();
transaction.Commit();
}
catch (Exception e)
{
transaction.Rollback();
_logger.Error(e.Message, e);
throw;
}
}
}
public void CreateLeaveApplication(LeaveApplication leaveApplication)
{
if (IsScheduleConflict(leaveApplication))
{
throw new InvalidOperationException("当前请假时间和已存在的请假申请冲突");
}
AnnualLeaveStatistic annualLeaveStatistic = GetAnnualLeaveStatistic(leaveApplication.Initiator);
if (leaveApplication.TotalDays > annualLeaveStatistic.RemainingDays)
{
throw new InvalidOperationException("剩余假期不足，请重新选择请假时间");
}
annualLeaveStatistic.RemainingDays = annualLeaveStatistic.RemainingDays - leaveApplication.TotalDays;
leaveApplication.TaskState = TaskState.Applying;
using (DbContextTransaction transaction = _context.Database.BeginTransaction())
{
try
{
_context.LeaveApplications.Add(leaveApplication);
_context.AnnualLeaveStatistics.Attach(annualLeaveStatistic);
_context.Entry(annualLeaveStatistic).State = EntityState.Modified;
_context.SaveChanges();
transaction.Commit();
}
catch (Exception e)
{
transaction.Rollback();
_logger.Error(e.Message, e);
throw;
}
}
}
public void ModifyLeaveApplication(LeaveApplication leaveApplication)
{
if (IsScheduleConflict(leaveApplication))
{
throw new InvalidOperationException("当前请假时间和已存在的请假申请冲突");
}
AnnualLeaveStatistic annualLeaveStatistic = GetAnnualLeaveStatistic(leaveApplication.Initiator);
LeaveApplication oldLeaveApplication = _context.LeaveApplications.Find(leaveApplication.Id);
float differenceTotalDays = leaveApplication.TotalDays - oldLeaveApplication.TotalDays;
annualLeaveStatistic.RemainingDays = annualLeaveStatistic.RemainingDays + differenceTotalDays;
using (DbContextTransaction transaction = _context.Database.BeginTransaction())
{
try
{
_context.LeaveApplications.Attach(leaveApplication);
_context.Entry(leaveApplication).State = EntityState.Modified;
_context.AnnualLeaveStatistics.Attach(annualLeaveStatistic);
_context.Entry(annualLeaveStatistic).State = EntityState.Modified;
_context.SaveChanges();
transaction.Commit();
}
catch (Exception e)
{
transaction.Rollback();
_logger.Error(e.Message, e);
throw;
}
}
}
private AnnualLeaveStatistic GetAnnualLeaveStatistic(User user)
{
AnnualLeaveStatistic annualLeaveStatistic = _context.AnnualLeaveStatistics.Where(a => a.User.Id == user.Id).FirstOrDefault();
if (annualLeaveStatistic == null)
{
AnnualLeaveStatisticFactory annualLeaveStatisticFactory = new AnnualLeaveStatisticFactory(_context);
annualLeaveStatistic = annualLeaveStatisticFactory.CreateAndSave(user);
}
return(annualLeaveStatistic);
}
