private void AddRentalEntry(int bikeId, RentalEntry entry)
{
this.rentalEntries.TryGetValue(bikeId, out List <RentalEntry> bikeRentalEntries);
if (bikeRentalEntries == null)
{
bikeRentalEntries = new List <RentalEntry>();
}
bikeRentalEntries.Add(entry);
this.rentalEntries.Add(bikeId, bikeRentalEntries);
}
private bool RentalEntryOverlap(RentalEntry entry, DateTime startDate, DateTime endDate)
{
return((entry.GetStartDate() <= endDate) && (startDate <= entry.GetEndDate()));
}