Example #1
0
        /// <summary>
        /// Method to populate a derived Eta for ships we deem will use Duluth Canal
        /// </summary>
        /// <param name="shipTest">ship test permutation</param>
        public static void Update(this ShipTest shipTest)
        {
            var inHarbor = shipTest.IsInDuluthSuperiorHarbor();

            if (inHarbor && !shipTest.CanalEntryTimestamp.HasValue)
            {
                shipTest.CanalEntryTimestamp = DateTime.UtcNow.AddHours(CanalEntryTimestampOffset);
            }
            else if (!inHarbor)
            {
                shipTest.CanalEntryTimestamp = null;
            }

            if (shipTest.IsUnderway())
            {
                if (shipTest.IsWithinFiftyMilesOfDuluth())
                {
                    if (shipTest.IsInDuluthSuperiorHarborForMoreThanHour())
                    {
                        if (shipTest.IsInStLouisBay())
                        {
                            shipTest.DerivedEta = CalculateEtaToDuluthFromStLouisBay(shipTest.Position, shipTest.Speed);
                        }
                        else if (shipTest.IsMovingTowardDuluth())
                        {
                            shipTest.DerivedEta = CalculateEtaToDuluth(shipTest.Position, shipTest.Speed);
                        }
                    }
                    else if (!inHarbor && shipTest.IsHeadingTowardDuluth())
                    {
                        shipTest.DerivedEta = CalculateEtaToDuluth(shipTest.Position, shipTest.Speed);
                    }
                }
                else if (shipTest.IsDestinationDuluth() && shipTest.IsMovingTowardDuluth())
                {
                    shipTest.DerivedEta = shipTest.Eta;
                }
            }
        }
        /// <summary>
        /// Evaluation method and logic. Similar to shipTest Processor logic
        /// First, only evaluate ship that report navigational status == underway
        /// Next, ask if ship is within 50 miles of the Duluth Harbor
        /// Locate ship inside or outside harbor
        /// For ships in the harbor, treat ships in St. Louis Bay differently than other ships
        /// For ships outside the harbor, populate derived eta according to bearing to nearest port
        /// </summary>
        /// <param name="shipTest">shipTest object</param>
        public static void Evaluate(ShipTest shipTest)
        {
            if (shipTest.IsUnderway())
            {
                if (shipTest.IsWithinFiftyMilesOfDuluth())
                {
                    if (shipTest.IsInDuluthSuperiorHarborForMoreThanHour())
                    {
                        shipTest.Evaluation = shipTest.IsInStLouisBay() || shipTest.IsMovingTowardDuluth();
                    }
                    else
                    {
                        shipTest.Evaluation = !shipTest.IsInDuluthSuperiorHarbor() && shipTest.IsHeadingTowardDuluth();
                    }
                }
                else
                {
                    shipTest.Evaluation = shipTest.IsDestinationDuluth() && shipTest.IsMovingTowardDuluth();
                }
            }

            shipTest.Evaluation = shipTest.Evaluation == shipTest.DerivedEta.HasValue;
            shipTest.Tally      = Convert.ToInt32(shipTest.Evaluation);
        }