static void Main(string[] args)
{
// Make new instances of other classes
UserInterface ui = new UserInterface();
BeverageCollection bc = new BeverageCollection();
// Prompt user for input
int choice = ui.GetUserInput();
// Variables used in the switch statements
int load = 0;
int arraySpace = 3943;
// Switch statement for the user's choice
while (choice != 5)
{
switch (choice)
{
// Case for loading the csv file
case 1:
if (load == 0)
{
bc.CSVLoad();
ui.LoadChosen(load);
load = 1;
}
else
{
ui.LoadChosen(load);
}
break;
// Case for displaying the array
case 2:
bc.PrintString();
break;
// Case for searching the array
case 3:
bc.Search();
break;
// Case for adding to the array
case 4:
bc.Add(arraySpace);
arraySpace++;
break;
// Case for exiting the console
case 5:
break;
}
// re-prompt user for input
choice = ui.GetUserInput();
}
}
/*
|----------------------------------------------------------------------
| Public Methods
|----------------------------------------------------------------------
*/
// Public method to Import the CSV
public bool ImportCSV(BeverageCollection beverages, string pathToCSVFile)
{
// Declare the streamreader
StreamReader streamReader = null;
// If it has already been imported
if (hasBeenImported)
{
return(false);
}
// Has not been imported yet, so do the import.
try
{
// Declare a string for the line
string line;
// Instantiate a new StreamReader class instance
streamReader = new StreamReader(pathToCSVFile);
// While still reading a line from the file
while ((line = streamReader.ReadLine()) != null)
{
// Process the line
this.processLine(line, beverages);
}
// Set hasBeenImported to true now that it is imported
hasBeenImported = true;
// Return true to represent success
return(true);
}
catch (Exception e)
{
// Output the Error that occured.
// This is the only output that is NOT
// being done in the UI class
Console.WriteLine(e.ToString());
Console.WriteLine();
Console.WriteLine(e.StackTrace);
// Return false to signify that it failed
return(false);
}
finally
{
// If the stream reader was instanciated,
// make sure it is closed before exiting.
if (streamReader != null)
{
streamReader.Close();
}
}
}
/**********************************************/
/* Program Main */
/**********************************************/
static void Main(string[] args)
{
UserInterface ui = new UserInterface();
CsvProcessor file = new CsvProcessor("../../../datafiles/beverage_list.csv");
BeverageCollection beverages = new BeverageCollection(4000, 100);
string userInput = "";
do
{
switch (ui.GetUserInput(MenuOption.ShowMenu).Last())
{
case "0":
if (!file.DataLoaded)
{
if (file.Import(beverages) == null)
{
ui.Display("File loaded succesfully");
}
else
{
ui.Display("Unable to load file. File may not be in correct directory.");
}
}
else
{
ui.Display("Data file is already loaded");
}
break;
case "1":
if (beverages.LastBeverage >= 0)
{
ui.Display(beverages.GetPrintString());
}
else
{
ui.Display("No item's are in the inventory. Add items or load them from a CSV file.");
}
break;
case "2":
var values = ui.GetUserInput(MenuOption.AddItem);
beverages.AddBeverage(values[0], values[1], values[2], decimal.Parse(values[3]), bool.Parse(values[4]));
break;
case "3":
break;
default:
break;
}
} while (userInput != "exit");
}
public static void ProcessLine(string line, BeverageCollection collection)
{
var fields = line.Split(',');
string id = fields[0].Trim();
string name = fields[1].Trim();
string pack = fields[2].Trim();
decimal price = Decimal.Parse(fields[3].Trim());
bool active = Convert.ToBoolean(fields[4].Trim());
collection.AddBeverage(id, name, pack, price, active);
}
/*
|----------------------------------------------------------------------
| Private Methods
|----------------------------------------------------------------------
*/
private void processLine(string line, BeverageCollection beverageCollection)
{
// Declare array of parts that will contain the
// results of splitting the read in string.
string[] parts = line.Split(',');
// Assign each part to a variable
string id = parts[0];
string name = parts[1];
string pack = parts[2];
decimal price = decimal.Parse(parts[3]);
bool active = (parts[4] == "True");
// Add a new beverage into the collection with the properties
// of what was read in.
beverageCollection.AddNewItem(id, name, pack, price, active);
}
/// <summary>
/// Processes one line of the CSV file. Splits the line by delimiters (',') and stores each part
/// as a member of a string array. Automatically parses price to decimal and active/inactive to bool.
/// Lastly, calls the collection's AddABeverage() method and adds the beverage to the collection.
/// </summary>
/// <param name="line"></param>
/// <param name="sodaStand"></param>
/// <param name="index"></param>
private void processCSVLine(string line, BeverageCollection sodaStand, int index)
{
// declare an array of parts that will contain the results of
// splitting the string
string[] parts = line.Split(',');
// assign each part to a variable
string id = parts[0];
string desc = parts[1];
string pack = parts[2];
//string price = parts[3];
decimal price = decimal.Parse(parts[3]);
bool active = bool.Parse(parts[4]);
// populate the list with one item
sodaStand.AddABeverage(id, desc, pack, price, active);
}
/// <summary>
/// Method to search the beverage list by ID. Returns an error string if the beverage item was not found. Returns the
/// beverage item as a string if the item was found.
/// </summary>
/// <param name="collection"></param>
/// <returns>string</returns>
public string SearchBeverageList(BeverageCollection collection)
{
string foundBeverage = "";
Console.Write("\n\t\t\t\tEnter the ID of the beverage you wish to search for: ");
string id = Console.ReadLine().ToUpper();
if (collection.FindBeverageById(id) != null)
{
Console.ForegroundColor = ConsoleColor.Yellow;
foundBeverage = "\n\t\t\t\tItem found:" + collection.FindBeverageById(id);
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
foundBeverage = "\n\t\t\t\tNo matching beverage item found.";
}
return(foundBeverage);
}
/// <summary>
/// Public method to import the CSV. Checks to see if the list is NOT loaded; if it isn't, it
/// sends the CSV one line at a time to the ImportCSV() method. If the CSV is already loaded
/// this method returns false.
/// </summary>
/// <param name="pathToCSV"></param>
/// <param name="sodaStand"></param>
/// <returns>bool</returns>
public bool ImportCSV(string pathToCSV, BeverageCollection sodaStand)
{
StreamReader streamReader = null;
if (!listIsLoaded)
{
try
{
string csvLine;
streamReader = new StreamReader(pathToCSV);
int counter = 0;
while ((csvLine = streamReader.ReadLine()) != null)
{
this.processCSVLine(csvLine, sodaStand, counter++);
}
listIsLoaded = true;
return(true);
}
catch (Exception e)
{
// output the exception
Console.WriteLine(e.ToString());
Console.WriteLine();
Console.WriteLine(e.StackTrace);
// return false if things went wrong
return(false);
}
finally
{
if (streamReader != null)
{
streamReader.Close();
}
}
}
else
{
return(false);
}
}
//Methods
/*********************************************/
public Exception Import(BeverageCollection beverageCollection)
{
try
{
stream = new StreamReader(path);
string line;
while ((line = stream.ReadLine()) != null)
{
CsvProcessor.ProcessLine(line, beverageCollection);
}
dataLoaded = true;
}
catch (Exception e)
{
return(e);
}
finally
{
stream.Close();
}
return(null);
}
static void Main(string[] args)
{
// Set Console Window Size
Console.BufferHeight = Int16.MaxValue - 1;
Console.WindowHeight = 40;
Console.WindowWidth = 120;
// Set a constant for the size of the collection
const int beverageCollectionSize = 4000;
// Set a constant for the path to the CSV File
const string pathToCSVFile = "../../../datafiles/beverage_list.csv";
// Create an instance of the UserInterface class
UserInterface userInterface = new UserInterface();
// Create an instance of the BeverageCollection class
BeverageCollection beverageCollection = new BeverageCollection(beverageCollectionSize);
// Create an instance of the CSVProcessor class
CSVProcessor csvProcessor = new CSVProcessor();
// Display the Welcome Message to the user
userInterface.DisplayWelcomeGreeting();
// Display the Menu and get the response. Store the response in the choice integer
// This is the 'primer' run of displaying and getting.
int choice = userInterface.DisplayMenuAndGetResponse();
// While the choice is not exit program
while (choice != 5)
{
switch (choice)
{
case 1:
// Load the CSV File
bool success = csvProcessor.ImportCSV(beverageCollection, pathToCSVFile);
if (success)
{
// Display Success Message
userInterface.DisplayImportSuccess();
}
else
{
// Display Fail Message
userInterface.DisplayImportError();
}
break;
case 2:
// Print Entire List Of Items
string allItemsString = beverageCollection.ToString();
if (!String.IsNullOrWhiteSpace(allItemsString))
{
// Display all of the items
userInterface.DisplayAllItems(allItemsString);
}
else
{
// Display error message for all items
userInterface.DisplayAllItemsError();
}
break;
case 3:
// Search For An Item
string searchQuery = userInterface.GetSearchQuery();
string itemInformation = beverageCollection.FindById(searchQuery);
if (itemInformation != null)
{
userInterface.DisplayItemFound(itemInformation);
}
else
{
userInterface.DisplayItemFoundError();
}
break;
case 4:
// Add A New Item To The List
string[] newItemInformation = userInterface.GetNewItemInformation();
if (beverageCollection.FindById(newItemInformation[0]) == null)
{
beverageCollection.AddNewItem(
newItemInformation[0],
newItemInformation[1],
newItemInformation[2],
decimal.Parse(newItemInformation[3]),
(newItemInformation[4] == "True")
);
userInterface.DisplayAddWineItemSuccess();
}
else
{
userInterface.DisplayItemAlreadyExistsError();
}
break;
}
// Get the new choice of what to do from the user
choice = userInterface.DisplayMenuAndGetResponse();
}
}
static void Main(string[] args)
{
// Making a new instance of UI class
UserInterface ui = new UserInterface();
// Making a new instance of the Beverage class
Beverage beverageList = new Beverage("39171", "1221 Cabernet Cuvee", "6 / 750 ml", 70.1m, "TRUE");
// Makes an array to hold instances in Beverage class
Beverage[] beverages = new Beverage[3942];
// Making a new instance of the BeverageCollection class
BeverageCollection bevCollection = new BeverageCollection();
// Make instance of CSVProcessor
CSVProcessor csvProcessor = new CSVProcessor();
// Makes an array to hold instances in BeverageCollection class
BeverageCollection[] beveragesCollection = new BeverageCollection[3942];
// Get input from the user
int choice = ui.UserInput();
// While the choice they selected is not 5, continue to do work
while (choice != 5)
{
// Load the list
if (choice == 1)
{
// Make a string for the path to the csv file
string pathToCsv = "../../../datafiles/beverage_list.csv"; // starts at bin debug. Each .. goes back one folder
// Call the ImportCSV method sending over the path and the array to store the read in records to.
csvProcessor.ImportCsv(pathToCsv, beverages);
}
// Print out list
if (choice == 2)
{
// Create a string that can be concated t
string outputString = "";
//// Print out the beverages in an array
foreach (Beverage beverage in beverages)
{
// Check to ensure there is a beverage object to be able to access properties on
if (beverage != null)
{
outputString += beverage.ToString() + Environment.NewLine;
}
}
// Call UI method to output list
ui.OptionTwo(outputString);
Console.WriteLine(); // Empty space
}
// Search for beverage
if (choice == 3)
{
// Call the ImportCSV method sending over the array to search
csvProcessor.Search(beverages);
Console.WriteLine(); // Empty space
}
// Add a new beverage
if (choice == 4)
{
Console.WriteLine(); // Empty space
}
// Re-display for input
choice = ui.UserInput();
}
}
/// <summary>
/// Main program entry point.
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
const int sodaStandSize = 4000;
string pathToCSV = "../../../datafiles/beverage_list.csv";
string menuChoice = null;
UserInterface aMenu = new UserInterface();
BeverageCollection sodaStand = new BeverageCollection(sodaStandSize);
CSVProcessor csvProcessor = new CSVProcessor();
DisplayMenu();
/// Displays the menu and calls HandleInput to deal with the user's response stored in the variable menuChoice.
void DisplayMenu()
{
Console.Clear();
Console.Write(aMenu.DisplayMenu());
Console.Write("\n\n\t\t\t\t");
menuChoice = Console.ReadLine();
HandleInput(menuChoice);
}
/// Handles the user's input via a switch. Each menu function is encapsulated within each case.
/// The work done on the user's choice is done in other classes; the output is handled by the
/// UserInterface class.
///
void HandleInput(string userSelection)
{
userSelection = userSelection.ToUpper();
switch (userSelection)
{
// Loads the beverage list. Note that this is the only location we call ImportCSV() from.
case "L":
Console.WriteLine(aMenu.LoadListMessage());
bool loadedSuccessfully = csvProcessor.ImportCSV(pathToCSV, sodaStand);
if (loadedSuccessfully)
{
Console.Write(aMenu.LoadSuccess());
aMenu.Pause();
}
else
{
// We don't want to try to reload the list again so we use the public boolean variable
// that is set from within the class. We use this in any situation where we don't want
// the user to do a thing until the list is loaded (add, search...).
if (csvProcessor.listIsLoaded)
{
Console.Write(aMenu.AlreadyLoaded());
aMenu.Pause();
}
else
{
Console.Write(aMenu.LoadFailure());
}
aMenu.Pause();
}
DisplayMenu();
break;
case "P":
// Print the list. Burp if the list isn't loaded yet.
aMenu.PrintListMessage();
if (!csvProcessor.listIsLoaded)
{
Console.Write(aMenu.NothingToPrint());
aMenu.Pause();
}
else
{
string[] allBeverages = sodaStand.PrintTheBeveragesInventory();
aMenu.PrintBeverageList(allBeverages);
}
aMenu.Pause();
DisplayMenu();
break;
case "S":
// Search the list. Burp if the list isn't loaded yet.
aMenu.SearchListMessage();
if (!csvProcessor.listIsLoaded)
{
Console.Write(aMenu.NothingToSearch());
aMenu.Pause();
}
else
{
Console.Write(aMenu.SearchBeverageList(sodaStand));
}
aMenu.Pause();
DisplayMenu();
break;
case "A":
// Add to the list. Burp if the list isn't loaded yet.
if (!csvProcessor.listIsLoaded)
{
Console.Write(aMenu.CannotAddUntilLoaded());
aMenu.Pause();
}
else
{
string[] beverageToAdd = aMenu.AddABeverage();
if (sodaStand.FindBeverageById(beverageToAdd[0]) == null)
{
sodaStand.AddABeverage(beverageToAdd[0], beverageToAdd[1], beverageToAdd[2], decimal.Parse(beverageToAdd[3]), bool.Parse(beverageToAdd[4]));
Console.Write(aMenu.BeverageAdded());
aMenu.Pause();
}
else
{
Console.Write(aMenu.BeverageExists());
aMenu.Pause();
}
}
aMenu.Pause();
DisplayMenu();
break;
// Quit the program. Quits regardless of whether the list is loaded. Never burps.
case "Q":
Console.WriteLine(aMenu.QuitProgramMessage());
aMenu.Pause();
Environment.Exit(0);
break;
// The default option is invoked for any choices not on the menu. This may be an invalid
// entry or a blank entry. In either case, error is shown in red and the menu is simply redrawn.
default:
aMenu.InvalidOptionMessage();
aMenu.Pause();
DisplayMenu();
break;
}
}
}