/*
* Calculate the feeding cost as follows:
* feedingCost = foodPricePerKg * amountOfFoodNeeded
* */
public double CalculateAnimalFeedingCost(ZooContentInfo zooContentInfo)
{
RateInfo rateInfo = GetRateInfoForAnimal(zooContentInfo.animalType);
// foodPricePerKg
var meatPricePerKg = Double.Parse(GetFoodPricePerKg(Food.Meat.ToString()), CultureInfo.InvariantCulture);
var fruitPricePerKg = Double.Parse(GetFoodPricePerKg(Food.Fruit.ToString()), CultureInfo.InvariantCulture);
// carnivore
if (rateInfo.foodType.Equals(Carnivore.foodType.ToLower()))
{
Carnivore carnivore = new Carnivore(zooContentInfo.animalType, zooContentInfo.name, zooContentInfo.weight);
var amountOfFoodNeeded = carnivore.CalculateAmountOfFoodNeeded(rateInfo);
var feedingCost = meatPricePerKg * amountOfFoodNeeded;
totalFeedingCost = totalFeedingCost + feedingCost;
Console.Write("\t\t\t\t" + Carnivore.foodType + "\t\t" + meatPricePerKg + "\t\t" + amountOfFoodNeeded + "Kg" + "\t\t" + meatPricePerKg + " * " + amountOfFoodNeeded + " = " + feedingCost + "\t\t" + "\n");
return(feedingCost);
}
// herbivore
if (rateInfo.foodType.Equals(Herbivore.foodType.ToLower()))
{
Herbivore herbivore = new Herbivore(zooContentInfo.animalType, zooContentInfo.name, zooContentInfo.weight);
var amountOfFoodNeeded = herbivore.CalculateAmountOfFoodNeeded(rateInfo);
var feedingCost = fruitPricePerKg * amountOfFoodNeeded;
totalFeedingCost = totalFeedingCost + feedingCost;
Console.Write("\t\t\t\t" + Herbivore.foodType + "\t\t" + fruitPricePerKg + "\t\t" + amountOfFoodNeeded + "Kg" + "\t\t" + fruitPricePerKg + " * " + amountOfFoodNeeded + " = " + feedingCost + " " + "\t\t" + "\n");
return(feedingCost);
}
// omnivore
if (rateInfo.foodType.Equals(Omnivore.foodType.ToLower()))
{
Omnivore omnivore = new Omnivore(zooContentInfo.animalType, zooContentInfo.name, zooContentInfo.weight);
// meat
rateInfo.foodType = Food.Meat.ToString();
var amountOfMeatNeeded = omnivore.CalculateAmountOfFoodNeeded(rateInfo);
var feedingCostMeat = meatPricePerKg * amountOfMeatNeeded;
totalFeedingCost = totalFeedingCost + feedingCostMeat;
Console.Write("\t\t\t\t" + Food.Meat.ToString() + "\t\t" + meatPricePerKg + "\t\t" + amountOfMeatNeeded + "Kg" + "\t\t" + meatPricePerKg + " * " + amountOfMeatNeeded + " = " + feedingCostMeat + "\t\t" + "\n");
// fruit
rateInfo.foodType = Food.Fruit.ToString();
var amountOfFruitNeeded = omnivore.CalculateAmountOfFoodNeeded(rateInfo);
var feedingCostFruit = fruitPricePerKg * amountOfFruitNeeded;
//var feedingCost = feedingCostFruit + feedingCostMeat;
totalFeedingCost = totalFeedingCost + feedingCostFruit;
Console.Write("\t\t\t\t" + Food.Fruit.ToString() + "\t\t" + fruitPricePerKg + "\t\t" + amountOfFruitNeeded + "Kg" + "\t\t" + fruitPricePerKg + " * " + amountOfFruitNeeded + " = " + feedingCostFruit + "\t\t" + "\n");
return(feedingCostFruit + feedingCostMeat);
}
return(0.0);
}
// amount of food needed depends on the weight.
// the rate determines how much food is needed. For omnivores, the rate must be split into meat and fruit
public override double CalculateAmountOfFoodNeeded(RateInfo rateInfo)
{
double amountOfFoodNeeded = 0.0;
// meat
if (rateInfo.foodType.Equals(Food.Meat.ToString()))
{
amountOfFoodNeeded = weight * rateInfo.percentage * rateInfo.rate;
}
// fruit
if (rateInfo.foodType.Equals(Food.Fruit.ToString()))
{
amountOfFoodNeeded = weight * (1 - rateInfo.percentage) * rateInfo.rate;
}
return(amountOfFoodNeeded);
}
/**
* Extract information regarding the animal species present in the zoo from animal.csv
**/
public RateInfo GetRateInfoForAnimal(string animal)
{
var result = File.ReadLines("animals.csv").Select(line => line.Split(';'));
Dictionary <string, RateInfo> dictionary = new Dictionary <string, RateInfo>();
foreach (string[] aText in result)
{
var rate = Double.Parse(aText[1], CultureInfo.InvariantCulture);
double percentage = 0.0;
if (aText[3] != "")
{
percentage = (double.Parse(aText[3].TrimEnd(new char[] { '%', ' ' }))) / 100;
}
RateInfo rateInfo = new RateInfo(rate, aText[2], percentage);
dictionary.Add(aText[0], rateInfo);
}
return(dictionary[animal]);
}
// Each animal eats an amount of food that depends on its weight public abstract double CalculateAmountOfFoodNeeded(RateInfo rateInfo);
public override double CalculateAmountOfFoodNeeded(RateInfo rateInfo)
{
return(weight * rateInfo.rate);
}