/// <summary>
/// verify if meetup object lies in the offic hours
/// </summary>
/// <param name="objMeetup"></param>
/// <param name="officeHours"></param>
/// <returns> boolean </returns>
public bool ValidateOfficeTimeLimits(Meetup objMeetup, OfficeHours officeHours)
{
try
{
return(objMeetup.MeetupStart.TimeOfDay >= officeHours.StartTime && objMeetup.MeetupEnd.TimeOfDay <= officeHours.EndTime);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return(false);
}
}
/// <summary>
/// verify if meetup overlaps with any other meetings saved in the final list
/// </summary>
/// <param name="objMeetup"></param>
/// <param name="sortList"></param>
/// <returns> bool </returns>
public bool ValidateOverlappingMeetup(Meetup objMeetup, SortedList <DateTime, Meetup> sortList)
{
try
{
return(sortList.Count > 0 && sortList.Values.Any(a => a.MeetupStart >= objMeetup.MeetupStart && a.MeetupEnd <= objMeetup.MeetupEnd));
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return(false);
}
}
/// <summary>
/// Get final meetings after various checks
/// </summary>
/// <param name="inputMeetup"></param>
/// <returns> IEnumerable </returns>
public IEnumerable <Meetup> GetValidMeetups(IEnumerable <string> inputMeetup)
{
SortedList <DateTime, Meetup> sortList = new SortedList <DateTime, Meetup>();
Meetup objMeetup = null;
DateTime bookingDate;
OfficeHours officeHours = GetOfficeHours(inputMeetup.ElementAt(0));
foreach (var meet in TransformInputMeetups(inputMeetup))
{
objMeetup = GetAppliedMeetups(meet, out bookingDate);
if (objMeetup == new Meetup())
{
return(Enumerable.Empty <Meetup>());
}
if (ValidateOfficeTimeLimits(objMeetup, officeHours))
{
if (ValidateOverlappingMeetup(objMeetup, sortList))
{
IEnumerable <Meetup> tmpObj = sortList.Values.Where(w => w.MeetupStart >= objMeetup.MeetupStart && w.MeetupEnd <= objMeetup.MeetupEnd);
int counter = tmpObj.Count();
List <DateTime> lstKeys = new List <DateTime>();
while (counter > 0)
{
int index = sortList.IndexOfValue(tmpObj.ElementAt(counter - 1));
if (bookingDate < sortList.Keys.ElementAt(index))
{
lstKeys.Add(sortList.Keys.ElementAt(index));
}
counter--;
}
if (lstKeys.Count() == tmpObj.Count())
{
for (int i = 0; i < lstKeys.Count(); i++)
{
sortList.Remove(lstKeys[i]);
}
}
else
{
continue;
}
}
sortList.Add(bookingDate, objMeetup);
}
}
return(sortList.Values.OrderBy(o => o.MeetupStart));
}
/// <summary>
/// Mapping of data to Meetup object with bookingDate as out param
/// </summary>
/// <param name="meet"></param>
/// <param name="bookingDate"></param>
/// <returns>Meetup object</returns>
public Meetup GetAppliedMeetups(string meet, out DateTime bookingDate)
{
Meetup objMeetup = new Meetup();
bookingDate = new DateTime();
try
{
List <string> tempString = meet.Split(" ").ToList();
bookingDate = DateTime.Parse($"{tempString[0]} {tempString[1]}");
objMeetup.EntityName = tempString[2];
objMeetup.MeetupStart = DateTime.Parse($"{tempString[3]} {tempString[4]}");
objMeetup.MeetupEnd = objMeetup.MeetupStart.AddHours(Convert.ToInt32(tempString[5]));
return(objMeetup);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return(new Meetup());
}
}