public void SliceIfPossible(PriorityMeeting requestMeeting, PriorityMeeting currentMeeting)
{
// Compare start time of the two meeting request.
int fromDateTimeValue = this.Compare(requestMeeting.fromDateTime, currentMeeting.fromDateTime);
// Compare end time of the two meeting request.
int toDateTimeValue = this.Compare(requestMeeting.toDateTime, currentMeeting.toDateTime);
if (fromDateTimeValue > 0 || toDateTimeValue < 0)
{
// Initialize to the requested meeting.
PriorityMeeting priorityMeeting = currentMeeting;
// slice the end time to the beginning of the requested meeting.
if (fromDateTimeValue > 0)
{
priorityMeeting.fromDateTime = currentMeeting.fromDateTime;
priorityMeeting.toDateTime = requestMeeting.fromDateTime;
}
// slice the start time to the end of requested meeting.
if (toDateTimeValue < 0)
{
priorityMeeting.fromDateTime = requestMeeting.toDateTime;
priorityMeeting.toDateTime = currentMeeting.toDateTime;
}
this.PriorityMeetings.Add(priorityMeeting);
}
// Happens if the current start datetime is less than requested meeting.
// And current end datetime is greater than requested meeting.
// In this case slice into two meeting request and add to the priority list.
else if (fromDateTimeValue > 0 && toDateTimeValue < 0)
{
PriorityMeeting priorityMeeting1 = currentMeeting;
PriorityMeeting priorityMeeting2 = currentMeeting;
priorityMeeting1.fromDateTime = currentMeeting.fromDateTime;
priorityMeeting1.toDateTime = requestMeeting.fromDateTime;
this.PriorityMeetings.Add(priorityMeeting1);
priorityMeeting2.fromDateTime = requestMeeting.toDateTime;
priorityMeeting2.toDateTime = currentMeeting.toDateTime;
this.PriorityMeetings.Add(priorityMeeting2);
}
}
private bool ManageConflict(PriorityMeeting meetingRequest, PriorityMeetingCollection currentPriortyMeetings)
{
bool canSetupMeeting = false;
foreach (PriorityMeeting meeting in currentPriortyMeetings)
{
if (meetingRequest.Priority > meeting.Priority)
{
// Slice out the current meeting and replace with the new one.
this.PriorityMeetings.Remove(meeting);
this.SliceIfPossible(meetingRequest, meeting);
canSetupMeeting = true;
}
}
return(canSetupMeeting);
}
public bool BookMeeting(PriorityMeeting meetingRequest)
{
bool canBookMeeting = false;
PriorityMeetingCollection currentPriorityMeetings = this.PriorityMeetings.GetMeetingsByTimeRange(meetingRequest.fromDateTime, meetingRequest.toDateTime);
bool isHigherPriority = this.PriorityMeetings.IsHigherPriorityExists(meetingRequest);
if (!isHigherPriority)
{
canBookMeeting = true;
this.PriorityMeetings.Add(meetingRequest);
}
else
{
// Manage the conflict and slice the priorities.
canBookMeeting = this.ManageConflict(meetingRequest, currentPriorityMeetings);
}
return(canBookMeeting);
}
