public static void Start(string menuFile)
{
try
{
if (menuFile != null)
{
menuFile.MenuFileExists();
}
else
{
menuFile = CookBookFileSystem.DEFAULT_STORAGE_FILE_NAME;
}
ICookBook cookbook = new CookBookFileSystem();
ICollection<string> validMenus = new LinkedList<string>();
Console.WriteLine("COUNTER PROGRAM");
using (StreamReader reader = new StreamReader(menuFile))
{
string currentLine;
while ((currentLine = reader.ReadLine()) != null)
{
var dishes = currentLine.Split(',').Select(dish => dish.Trim()).ToArray<string>();
bool isValidMenu = true;
for (int dishPosition = 0; dishPosition < 5 && isValidMenu; dishPosition++)
{
try
{
var dish = dishes[dishPosition].ToLower();
int dishCorrectPosition;
string cookbookPosition = cookbook.Get(dish);
if (cookbookPosition == null)
{
dishCorrectPosition = RequestUserKnowledge(dish);
if (dishCorrectPosition == -1) //exit program
throw new EndProgramException();
cookbook.Set(dish, dishCorrectPosition.ToString());
}
else if (!int.TryParse(cookbookPosition, out dishCorrectPosition))
{
isValidMenu = false; // something wrong in the cookbook
break;
}
if (dishCorrectPosition != dishPosition)
{
isValidMenu = false;
break;
}
}
catch (IndexOutOfRangeException iOOREx)
{ }
}
if (isValidMenu)
{
validMenus.Add(currentLine);
}
}
}
var menus = "- " + string.Join("\n- ", validMenus);
Console.WriteLine(menus);
Console.WriteLine("\nTotal valid menus: {0}", validMenus.Count);
Console.WriteLine("---");
}
catch (EndProgramException ePEx)
{
Console.WriteLine("---");
}
}
public static void Start()
{
Console.WriteLine("COMMAND LINE COOKBOOK MANAGER\n\n");
ICookBook cookbook = new CookBookFileSystem();
string userInput = null;
string[] commands =
{
"GET\t(requires dish:string)",
"GETBT\t(requires dishType:int)",
"LIKE\t(requires dish:string)",
"SET\t(requires dish:string dishType:int)",
"DEL\t(requires dish:string)",
"CLEAR\t(clear all the cookbook)",
"SAVE\t(save the cookbook in the storage)",
"PRINT\t(print all the dishes in the cookbook)",
"HELP\t(display this message)",
"QUIT\t(exit the program)"
};
commands.DisplayHelp();
Console.WriteLine("\n");
do
{
Console.Write("Operation:\t");
userInput = Console.ReadLine().ToUpper();
Console.WriteLine("Result:");
try
{
string[] inputTokens = userInput.Split(' ');
string operation = inputTokens[0];
string value;
switch (operation)
{
case "GET":
if (operation.Length < 2)
{
WrongArguments();
break;
}
value = cookbook.Get(inputTokens[1]);
Console.WriteLine("\t\t" + inputTokens[1] + ", " + value);
break;
case "GETBT":
if (operation.Length < 2)
{
WrongArguments();
break;
}
var dishType = inputTokens[1];
var dishes = cookbook.Where(dish => dish.Value == dishType)
.OrderBy(dishPair => dishPair.Key)
.Select(dishPair => dishPair.Key)
.ToList<string>();
Console.WriteLine("\tFound {0} dishes:\n", dishes.Count);
Console.WriteLine("\t" + string.Join(",\n\t", dishes));
break;
case "LIKE":
if (operation.Length < 2)
{
WrongArguments();
break;
}
var partialValue = inputTokens[1];
var dishesContaining = cookbook.Where(dish => dish.Key.ToUpper().Contains(partialValue))
.OrderBy(dishPair => dishPair.Key)
.ThenBy(dishPair => dishPair.Value)
.Select(dishPair => String.Format("{0} - {1}", dishPair.Key, dishPair.Value))
.ToList<string>();
Console.WriteLine("\tFound {0} dishes matching \"{1}\":\n", dishesContaining.Count, partialValue);
Console.WriteLine("\t" + string.Join(",\n\t", dishesContaining));
break;
case "SET":
if (operation.Length < 3)
{
WrongArguments();
break;
}
cookbook.Set(inputTokens[1], inputTokens[2]);
value = cookbook.Get(inputTokens[1]);
Console.WriteLine("\t\tInserted pair: " + inputTokens[1] + ", " + inputTokens[2]);
break;
case "DEL":
if (operation.Length < 2)
{
WrongArguments();
break;
}
value = cookbook.Get(inputTokens[1]);
cookbook.Remove(inputTokens[1]);
Console.WriteLine("\t\tDeleted pair: " + inputTokens[1] + ", " + value);
break;
case "CLEAR":
cookbook.Clear();
Console.WriteLine("\t\tCookbook cleared");
break;
case "SAVE":
Console.WriteLine("\t\tBegin saving cookbook in storage: " + ((CookBookFileSystem)cookbook).STORAGE_PATH);
Console.WriteLine("\t\tPlease wait...");
cookbook.CleanAndSaveCookBook();
Console.WriteLine("\t\tCleaning and saving completed");
break;
case "PRINT":
cookbook.PrintAll();
break;
case "?":
case "HELP":
commands.DisplayHelp();
break;
case "QUIT":
Console.WriteLine("\tbye!");
break;
default:
Console.WriteLine("No command found: insert HELP to see all the available commands");
break;
}
Console.WriteLine("---");
}
catch (Exception ex)
{
Console.Error.WriteLine("error: " + ex.Message);
}
}
while (!userInput.Equals("QUIT"));
}
