/// <summary>
/// Method RunCommandReader
/// Starts reading commands.
/// </summary>
public void RunCommandReader()
{
printer.DisplayBeginInfo();
bool exit = false;
// The cycle of reading commands, while there is no command "exit".
while (!exit)
{
Console.Write("Write a command : ");
var command = Console.ReadLine();
// Finds out the type of command.
TypeOfCommands CommandType = GetTypeOfCommands(command);
// Check for access to an empty catalog.
if ((CommandType != TypeOfCommands.Add) && (CommandType != TypeOfCommands.None) &&
(CommandType != TypeOfCommands.Exit) && (catalog.Counter == 0))
{
Console.WriteLine("Empty catalog.\n");
continue;
}
var splitCommand = command.Split(' ');
// Execute the command, depending on the type.
switch (CommandType)
{
case TypeOfCommands.None:
Console.WriteLine("Invalid command.\n");
break;
case TypeOfCommands.Add:
catalogCommand = new Add(catalog, splitCommand[1], splitCommand[2],
int.Parse(splitCommand[3]), int.Parse(splitCommand[4]));
break;
case TypeOfCommands.CountAll:
catalogCommand = new CountAll(catalog);
break;
case TypeOfCommands.CountTypes:
catalogCommand = new CountType(catalog);
break;
case TypeOfCommands.AveragePriceAll:
catalogCommand = new AveragePrice(catalog);
break;
case TypeOfCommands.AveragePriceType:
catalogCommand = new AveragePriceType(catalog, splitCommand[2]);
break;
case TypeOfCommands.Exit:
exit = true;
break;
}
if (!exit && (CommandType != TypeOfCommands.None))
{
catalogCommand.Execute();
}
}
}
/// <summary>
/// Method AddCommandInList
/// Add command in actual list.
/// </summary>
/// <param name="command">Console command</param>
private void AddCommandInList(string command)
{
ICatalogCommand catalogCommand = null;
var splitCommand = command?.ToLower().Split(' ');
if ((command == null) || (command == string.Empty) || (2 > splitCommand.Length))
{
Console.WriteLine("Invalid command.");
return;
}
IReceiver Catalog;
switch (splitCommand[1])
{
case "car":
Catalog = CatalogOfCar;
break;
case "truck":
Catalog = CatalogOfTruck;
break;
default:
throw new Exception();
}
switch (splitCommand[0])
{
case "count_all":
catalogCommand = new CountAllCommand(Catalog);
break;
case "count_types":
catalogCommand = new CountTypeCommand(Catalog);
break;
case "average_price":
catalogCommand = new AveragePriceCommand(Catalog);
break;
case "average_price_type":
catalogCommand = new AveragePriceTypeCommand(Catalog, splitCommand[2]);
break;
}
if (catalogCommand != null)
{
ListOfCommand.Add(catalogCommand);
}
else
{
Console.WriteLine("Invalid command.");
}
}
