public async Task <OperationResultWithData <List <SlotDto> > > RescheduleDate([FromBody] RescheduleDateDto dto)
{
LmsCourseMeeting meeting = _lmsCourseMeetingModel.GetOneByCourseAndId(LmsCompany.Id, CourseId, dto.MeetingId);
if (meeting?.OfficeHours == null)
{
return(OperationResultWithData <List <SlotDto> > .Error("Meeting not found"));
}
var slots = await _officeHoursService.RescheduleDate(meeting.OfficeHours.Id, Session.LmsUser, dto);
return(slots);
}
public async Task <OperationResultWithData <List <SlotDto> > > RescheduleDate(int ohId, LmsUser lmsUser,
RescheduleDateDto dto)
{
List <SlotDto> result = new List <SlotDto>();
var availabilities = _availabilityModel.GetAvailabilities(ohId);
var availabilitiesToAdd = new List <OfficeHoursTeacherAvailabilityDto>();
var slotsToAdd = new List <SlotDto>();
var overlappingFreeSlots = new List <SlotDto>();
OfficeHours oh = null;
foreach (var availability in availabilities)
{
var availabilityDto = ConvertToDto(availability);
var slots = GetSlotsForAvailability(availabilityDto, dto.Start, dto.End, lmsUser.Id, availability);
if (slots.Any())
{
var newAvailabilityDto =
BuildAvailabilityBySlots(slots, dto.FirstSlotTimeshift, availability.Duration);
oh = oh ?? availability.Meeting;
var overlappingSlots = await ValidateSlotsRange(oh, lmsUser.Id, newAvailabilityDto);
if (overlappingSlots.Any(x => x.Status != (int)OfficeHoursSlotStatus.Free))
{
return(OperationResultWithData <List <SlotDto> > .Error(
"The range of dates overlaps another date range. Please choose another date range."));
}
if (overlappingSlots.Any(x => (x.End - x.Start).Minutes != availability.Duration))
{
return(OperationResultWithData <List <SlotDto> > .Error(
"The duration of new slots doesn't match duration of overalpped free slots."));
}
if (overlappingSlots.Any())
{
var slotsForAvailability = slots.Where(x =>
overlappingSlots.All(os => os.Start != x.Start.AddMilliseconds(dto.FirstSlotTimeshift)));
if (slotsForAvailability.Any())
{
newAvailabilityDto = BuildAvailabilityBySlots(slotsForAvailability, dto.FirstSlotTimeshift,
availability.Duration);
}
else
{
slotsToAdd.AddRange(slots);
continue;
}
}
availabilitiesToAdd.Add(newAvailabilityDto);
slotsToAdd.AddRange(slots);
}
}
foreach (var availabilityDto in availabilitiesToAdd)
{
var a = await AddAvailability(oh, lmsUser, availabilityDto);
if (!a.IsSuccess)
{
//todo: delete already added availabilities
return(OperationResultWithData <List <SlotDto> > .Error(a.Message));
}
}
var notAddedSlots = new List <string>();
var deniedSlots = new List <SlotDto>();
//var details = await _meetingService.GetMeetingApiDetails(meeting);
//if (dto.KeepRegistration)
//{
var dbSlots = _slotModel.GetSlotsForDate(dto.Start, dto.End, ohId);
foreach (var slotDto in slotsToAdd) //todo: add many slots at once
{
if (slotDto.Status == (int)OfficeHoursSlotStatus.Booked)
{
slotDto.Start = slotDto.Start.AddMilliseconds(dto.FirstSlotTimeshift);
slotDto.End = slotDto.End.AddMilliseconds(dto.FirstSlotTimeshift);
if (dto.KeepRegistration)
{
var s = await AddSlots(oh.Id, dbSlots.First(x => x.Id == slotDto.Id).User, new[] { slotDto });
if (!s.IsSuccess)
{
notAddedSlots.Add(slotDto.UserName);
slotDto.Id = 0;
slotDto.Status = (int)OfficeHoursSlotStatus.Free;
slotDto.Subject = null;
slotDto.Questions = null;
slotDto.UserName = null;
slotDto.CanEdit = false;
}
if (s.IsSuccess && !string.IsNullOrEmpty(dto.Message))
{
//await _notificationService.SendOHRescheduleEmail(slotDto.Start, s.Data.First(),
// details.Topic, dto.Message);
}
}
else
{
//await _notificationService.SendOHCancellationEmail(slotDto.Start, details.Topic, dto.Message, slotDto.UserName);
}
var updateResult = await UpdateSlotStatusInternal(slotDto.Id, OfficeHoursSlotStatus.Cancelled, lmsUser);
result.Add(slotDto);
}
//
else
{
deniedSlots.Add(slotDto);
}
}
//}
var denyFreeSlotsResult = await AddSlots(oh.Id, lmsUser, deniedSlots, OfficeHoursSlotStatus.Cancelled);
deniedSlots.ForEach(x =>
{
x.Start = x.Start.AddMilliseconds(dto.FirstSlotTimeshift);
x.End = x.End.AddMilliseconds(dto.FirstSlotTimeshift);
});
result.AddRange(deniedSlots);
var opResult = result.ToSuccessResult();
if (notAddedSlots.Any())
{
opResult.Message = $"Slots for the following users were not moved: {String.Join(", ", notAddedSlots)}";
}
return(opResult);
}
