/// <summary>
/// Method for updating a specific element in either stock or menu lists
/// </summary>
/// <param name="table">Updatable table name. Can be STOCK or MENU only.</param>
static public void UpdateElement(string table)
{
try
{
if (table.Equals("STOCK"))
{
Console.Write(" Enter Id of the element you want to update: ");
int updatableID = int.Parse(Console.ReadLine());
if (stock.DoesItemExistsByID(updatableID))
{
Console.Write(" Input new items name: ");
string name = Console.ReadLine();
Console.Write(" Input new items portion count in stock: ");
double portionCount = double.Parse(Console.ReadLine());
Console.Write(" Input new items unit: ");
string unit = Console.ReadLine();
Console.Write(" Input new items portion size: ");
double portionSize = double.Parse(Console.ReadLine());
StockItem newItem = new StockItem(updatableID, name, portionCount, unit, portionSize);
UpdateElement(stock, newItem, StockCsv);
}
else
{
Console.WriteLine(" Element with specified ID does not exist!");
}
}
else if (table.Equals("MENU"))
{
Console.Write(" Enter Id of the element you want to update: ");
int updatableID = int.Parse(Console.ReadLine());
if (menu.DoesItemExistsByID(updatableID))
{
Console.Write(" Input new items name: ");
string name = Console.ReadLine();
Console.Write(" Input new items products IDs, separated by space: ");
string[] products = Console.ReadLine().Split(' ');
/// Parse product list
List <int> productList = new List <int>();
foreach (string i in products)
{
productList.Add(int.Parse(i));
}
MenuItem item = new MenuItem(updatableID, name, productList);
UpdateElement(menu, item, MenuCsv);
}
else
{
Console.WriteLine(" Element with specified ID does not exist!");
}
}
}
catch (FormatException)
{
Console.WriteLine("\r\n Incorrect numeric input! Please try again!");
Console.WriteLine(" Stopping update...\r\n");
}
catch (IOException)
{
Console.WriteLine("\r\n One of the files is open! Close the .csv files and try again!");
Console.WriteLine(" Stopping update...\r\n");
}
}
/// <summary>
/// Method for adding new elements to corresponding objects (Stock, Menu, Orders)
/// </summary>
/// <param name="table">Addable object name, given by switch case statement</param>
static public void AddNewElement(string table)
{
try
{
/// Check if adding to stock table
if (table.Equals("STOCK"))
{
/// Read entry
Console.WriteLine(" Beginning input of new stock item...");
RetryStock:
Console.Write(" Enter new items ID: ");
int newId = int.Parse(Console.ReadLine());
/// Check if there is an item with the same Id
if (stock.DoesItemExistsByID(newId))
{
Console.WriteLine(" Item with this ID exists. Enter a new ID.");
goto RetryStock;
}
Console.Write(" Input new items name: ");
string name = Console.ReadLine();
Console.Write(" Input new items portion count in stock: ");
double portionCount = double.Parse(Console.ReadLine());
Console.Write(" Input new items unit: ");
string unit = Console.ReadLine();
Console.Write(" Input new items portion size: ");
double portionSize = double.Parse(Console.ReadLine());
StockItem newItem = new StockItem(newId, name, portionCount, unit, portionSize);
AddElement(stock, newItem, StockCsv);
}
/// Check if adding to menu table
else if (table.Equals("MENU"))
{
/// Read entry
Console.WriteLine(" Beginning input of new menu item...");
RetryMenu:
Console.Write(" Enter new items ID: ");
int newId = int.Parse(Console.ReadLine());
/// Check if there is an item with the same Id
if (menu.DoesItemExistsByID(newId))
{
Console.WriteLine(" Item with this ID exists. Enter a new ID.");
goto RetryMenu;
}
Console.Write(" Input new items name: ");
string name = Console.ReadLine();
Console.Write(" Input new items products IDs, separated by space: ");
string[] products = Console.ReadLine().Split(' ');
/// Parse product list
List <int> productList = new List <int>();
foreach (string i in products)
{
productList.Add(int.Parse(i));
}
MenuItem item = new MenuItem(newId, name, productList);
AddElement(menu, item, MenuCsv);
}
/// Check if adding to orders table
else if (table.Equals("ORDERS"))
{
Console.WriteLine(" Beginning input of new order item...");
RetryOrder:
Console.Write(" Enter new order ID: ");
int newId = int.Parse(Console.ReadLine());
/// Check if there is an item with the same Id
if (orders.DoesItemExistsByID(newId))
{
Console.WriteLine(" Item with this ID exists. Enter a new ID.");
goto RetryOrder;
}
Console.Write(" Input date time, format YYYY-MM-DD HH:mm:ss, " +
"or leave blank for current time: ");
string line = Console.ReadLine();
DateTime time;
if (line.Equals(""))
{
time = DateTime.Now;
}
else
{
time = DateTime.Parse(line);
}
RetryOrderItems:
/// Parse entered menu items
List <MenuItem> orderedItems = new List <MenuItem>();
Console.Write(" Input ordered menu items, separated by space: ");
string[] items = Console.ReadLine().Split(' ');
/// Checking all items...
foreach (string i in items)
{
int index = int.Parse(i);
MenuItem addable = menu.GetItemByID(index);
if (addable != null)
{
orderedItems.Add(addable);
}
else
{
Console.WriteLine(" Error parsing menu item! Please check if it exists.");
goto RetryOrderItems;
}
}
OrderItem item = new OrderItem(newId, time, orderedItems);
/// Check if possible to add an order or shall it be cancelled
AddElement(item, OrdersCsv, StockCsv, stock, orders);
}
}
catch (FormatException)
{
Console.WriteLine("\r\n Incorrect numeric input! Please try again!");
Console.WriteLine(" Stopping insertion...\r\n");
}
catch (IOException)
{
Console.WriteLine("\r\n One of the files is open! Close the .csv files and try again!");
Console.WriteLine(" Stopping insertion...\r\n");
}
catch (NullReferenceException)
{
Console.WriteLine("\r\n An order contains menu items with no items in stock!");
Console.WriteLine(" Stopping insertion...\r\n");
}
}