/// <summary>
/// Create new service object and persist it. For the moment we assume this
/// means to submit a new vacation request.
/// </summary>
protected override void DataPortal_Insert()
{
using (var ctx = new VacationManagerContext())
{
var employee = ctx.Employees.FirstOrDefault(x => x.Id == EmployeeId);
if (employee == null)
throw new ApplicationException(
string.Format("New request is associated with inexistent employee having id {0}.", EmployeeId));
var numberOfVacationDaysLeft = ctx.Situations.Single(x => x.Employee.Id == EmployeeId).AvailableDays;
if ((NumberOfDays < 1) || (NumberOfDays > numberOfVacationDaysLeft))
throw new ApplicationException(
string.Format("New request has invalid number of vacation days {0}. Must greather than 0 and less or equal than days left {1}.", NumberOfDays, NumberOfDays));
var request = new Persistence.Model.VacationRequestEntity
{
CreationDate = DateTime.Now, // TODO: utc?
StartDate = StartDate,
EndDate = EndDate,
State = VacationRequestState.Submitted,
Employee = employee,
};
ctx.Requests.Add(request);
ctx.SaveChanges();
_requestNumber = request.Id;
_submissionDate = request.CreationDate;
_stateId = request.State;
_employeeFullName = employee.Firstname + " " + employee.LastName;
}
}
protected override void DataPortal_Execute()
{
using (var ctx = new VacationManagerContext())
{
var request = ctx.Requests.FirstOrDefault(x => x.Id == _requestNumber);
if (request == null)
throw new ApplicationException(string.Format(
"Request number {0} was not found. It must exist in order to change it's state.", _requestNumber));
request.State = _state;
ctx.SaveChanges();
}
}
/// <summary>
/// Remove service object having parameter id. For the moment we assume this
/// means to cancel a submitted request.
/// </summary>
protected void DataPortal_Delete(long id)
{
using (var ctx = new VacationManagerContext())
{
var request = ctx.Requests.FirstOrDefault(x => x.Id == id);
if (request == null)
throw new ApplicationException(string.Format(
"Request number {0} was not found. It must exist in order to be deleted.", id));
if (request.State != VacationRequestState.Submitted)
throw new ApplicationException(string.Format(
"Request {0} was already {1}, cannot be deleted anymore. It must be in submited state in order to be deleted.",
id, request.State));
ctx.Requests.Remove(request);
ctx.SaveChanges();
}
}