/// <summary>
/// Execute method for average price type command.
/// </summary>
public void Execute()
{
Console.WriteLine("Enter the type.");
string type = Console.ReadLine();
Console.WriteLine($"{RepositoryOfItems.GetListOfItems().GetAveragePriceType(type)}");
}
/// <summary>
/// Checks if repository has been created yet.
/// </summary>
/// <returns>New repository if it hasn't been created yet; already existing repository if it has been created.</returns>
public static RepositoryOfItems GetListOfItems()
{
if (listOfItems == null)
{
listOfItems = new RepositoryOfItems();
}
return(listOfItems);
}
/// <summary>
/// Calculates amount of items.
/// </summary>
/// <returns>Amount of items.</returns>
public int GetNumberOfAllItems()
{
int counter = 0;
int numberOfAllItems = 0;
foreach (Item newitem in RepositoryOfItems.GetListOfItems().items)
{
int number = newitem.Amount;
counter++;
numberOfAllItems += number;
}
return(numberOfAllItems);
}
/// <summary>
/// Calculates average price.
/// </summary>
/// <returns>Average price.</returns>
public float GetAveragePrice()
{
float averagePrice = 0;
int counter = 0;
foreach (Item newitem in RepositoryOfItems.GetListOfItems().items)
{
float cost = newitem.Cost;
averagePrice += cost;
counter++;
}
averagePrice /= counter;
return(averagePrice);
}
/// <summary>
/// Calculates number of types.
/// </summary>
/// <returns>Number of types</returns>
public int GetNumberOfTypes()
{
int counter = 0;
List <string> types = new List <string>();
foreach (Item newitem in RepositoryOfItems.GetListOfItems().items)
{
string type = newitem.Type;
if (!types.Contains(type))
{
counter++;
}
}
return(counter);
}
/// <summary>
/// Calculates average price of items with one type.
/// </summary>
/// <param name="neededType"></param>
/// <returns>Average price of items with one type.</returns>
public float GetAveragePriceType(string neededType)
{
float averagePrice = 0;
int counter = 0;
foreach (Item newitem in RepositoryOfItems.GetListOfItems().items)
{
float cost = newitem.Cost;
string type = newitem.Type;
if (neededType == type)
{
averagePrice += cost;
counter++;
}
}
averagePrice /= counter;
return(averagePrice);
}
/// <summary>
/// Execute method for add item command.
/// </summary>
public void Execute()
{
Console.WriteLine("Enter the type of an item.");
string type = Console.ReadLine();
Console.WriteLine("Enter the name of an item.");
string name = Console.ReadLine();
Console.WriteLine("Enter the amount of an item.");
int amount = int.Parse(Console.ReadLine());
Console.WriteLine("Enter the cost of an item.");
float cost = float.Parse(Console.ReadLine());
Item item = new Item(type, name, amount, cost);
RepositoryOfItems.GetListOfItems().AddItem(item);
Console.WriteLine("Item added.");
}
/// <summary>
/// Execute method for count types command.
/// </summary>
public void Execute()
{
Console.WriteLine($"Number of types: {RepositoryOfItems.GetListOfItems().GetNumberOfTypes()}");
}
/// <summary>
/// Execute method for average price command.
/// </summary>
public void Execute()
{
Console.WriteLine($"Average price of all items: {RepositoryOfItems.GetListOfItems().GetAveragePrice()}");
}