/// <summary>
/// Generates and returns average fare of total rides.
/// </summary>
/// <param name="rides">Array of object Ride providing multiple rides.</param>
/// <param name="type">Type of ride.</param>
/// <returns>Average fare for multiple rides</returns>
public double GenerateAverageFare(Ride[] rides, RIDETYPE type = RIDETYPE.NORMAL_RIDE)
{
double total = 0;
foreach (Ride ride in rides)
{
total += this.GenerateFare(ride.Distance, ride.Time, type);
}
return total / rides.Length;
}
/// <summary>
/// Calculates the fare based on type of ride.
/// </summary>
/// <param name="rideType">Type of the ride.</param>
/// <param name="distance">The distance in km.</param>
/// <param name="time">The time in minutes.</param>
/// <returns>Fare generated based on type.</returns>
/// <exception cref="CabInvoiceExceptions"></exception>
public static double CalculateFare(this RIDETYPE rideType, double distance, int time)
{
switch (rideType)
{
case RIDETYPE.NORMAL_RIDE:
return(Math.Max(NORMAL_COST_PER_KILOMETER * distance + time * NORMAL_COST_PER_MINUTE, NORMAL_MINIMUM_FARE));
case RIDETYPE.PREMUIM_RIDE:
return(Math.Max(PREMIUM_COST_PER_KILOMETER * distance + time * PREMIUM_COST_PER_MINUTE, PREMIUM_MINIMUM_FARE));
default:
throw new CabInvoiceExceptions(ExceptionEnums.ExceptionType.INVALID_RIDE_TYPE);
}
}
/// <summary>
/// Returns the generated invoice based on userId.
/// </summary>
/// <param name="userId">user id</param>
/// <param name="type">enum type of ride</param>
/// <returns>Invoice summary for given user id</returns>
public InvoiceSummary GetInvoiceByuserId(string userId, RIDETYPE type = RIDETYPE.NORMAL_RIDE)
{
Ride[] rides = this.rideRepository.GetRides(userId);
return this.GetInvoiceSummary(rides, type);
}
/// <summary>
/// Returns the generated invoice summary of given rides.
/// </summary>
/// <param name="rides">Array of object Ride for providing multiple rides.</param>
/// <param name="type">Type of ride.</param>
/// <returns>Invoice summary</returns>
public InvoiceSummary GetInvoiceSummary(Ride[] rides, RIDETYPE type = RIDETYPE.NORMAL_RIDE)
{
return new InvoiceSummary(rides.Length, this.GenerateAverageFare(rides, type));
}
/// <summary>
/// Returns the generated fare based on type.
/// </summary>
/// <param name="distance">Distance in km.</param>
/// <param name="time">Time in minutes.</param>
/// <param name="type">Type of ride.</param>
/// <returns> Returns generated fare</returns>
public double GenerateFare(double distance, int time, RIDETYPE type = RIDETYPE.NORMAL_RIDE)
{
return type.CalculateFare(distance, time);
}
