/// <summary>
/// Calculates sum of all SoldBook objects based on SoldBook.Price
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static void SumOfSoldBooks(User admin)
{
bool isSumCalculated = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
var result = api.MoneyEarned(admin.Id);
if (result == null)
{
ErrorMessage.ErrorNoAbort("calculating the sum of all purchases", "the database is corrupt/empty");
}
else
{
SuccessMessage.SuccessWithInt("The sum of all purchases is", result.Value);
UserController.SendPing(admin.Id);
isSumCalculated = true;
}
} while (isSumCalculated == false);
}
/// <summary>
/// Retrieves list of all SoldBook objects present in database
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static List <List <object> > ListAllSoldBooks(User admin)
{
List <List <object> > soldBooksListData = new List <List <object> >();
bool isListed = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
var result = api.SoldItems(admin.Id);
if (result == null)
{
ErrorMessage.ErrorNoAbort("retrieving the list of sold books", "the database is corrupt/empty");
}
else
{
soldBooksListData = SoldBooksConverters.SoldBooksConverter(result);
UserController.SendPing(admin.Id);
isListed = true;
}
} while (isListed == false);
return(SoldBooksView.SoldBooksListReader(soldBooksListData));
}
/// <summary>
/// Retrieves all Users present in database
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static List <List <object> > ListAllUsers(User admin)
{
List <List <object> > userListData = new List <List <object> >();
bool isUsersListed = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
var result = api.ListUsers(admin.Id);
if (result == null)
{
ErrorMessage.ErrorNoAbort("retrieving a list of users", "the database is empty/corrupt");
break;
}
else
{
userListData = UserConverters.UserConverter(result);
UserController.SendPing(admin.Id);
isUsersListed = true;
}
} while (isUsersListed == false);
return(UserView.UserListReader(userListData));
}
/// <summary>
/// Adds a new book to database
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static void AddBookToInventory(User admin)
{
bool isBookAdded = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter title:");
var title = Console.ReadLine();
Console.Write("Enter author:");
var author = Console.ReadLine();
Console.Write("Enter price:");
int.TryParse(Console.ReadLine(), out var price);
Console.Write("Enter amount:");
int.TryParse(Console.ReadLine(), out var amount);
var result = api.AddBook(admin.Id, title, author, price, amount);
if (result == false)
{
var input = ErrorMessage.ErrorAbort("adding a new book", "you entered incorrect data");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithString("Book added to inventory");
isBookAdded = true;
UserController.SendPing(admin.Id);
}
} while (isBookAdded == false);
}
/// <summary>
///Sends ping to server
/// </summary>
/// <param name="userId"></param>
/// <returns>string</returns>
public string Ping(int userId)
{
var ping = string.Empty;
using (var db = new EFContext())
{
var user = db.Users?.FirstOrDefault(u => u.Id == userId);
if (user != null && SessionTimer.CheckSessionTimer(user.SessionTimer) == false)
{
ping = "Pong";
user.SessionTimer = DateTime.Now;
db.Update(user);
db.SaveChanges();
Startup.sessionCookie = user;
}
}
return(ping);
}
/// <summary>
/// User buys book
/// </summary>
/// <param name="userId"></param>
/// <param name="bookId"></param>
/// <returns>bool</returns>
public bool BuyBook(int userId, int bookId)
{
bool isPurchaseSuccessful = false;
using (var db = new EFContext())
{
var user = db.Users?.FirstOrDefault(x => x.Id == userId);
if (user != null)
{
if (SessionTimer.CheckSessionTimer(user.SessionTimer) == false)
{
var book = db.Books?.FirstOrDefault(x => x.Id == bookId);
if (book != null && book.Amount > 0)
{
SoldBook soldBook = new SoldBook();
soldBook.Title = book.Title;
soldBook.Author = book.Author;
soldBook.CategoryId = book.CategoryId;
soldBook.Price = book.Price;
soldBook.PurchaseDate = DateTime.Now;
soldBook.UserId = user.Id;
book.Amount--;
db.Update(book);
db.Update(soldBook);
isPurchaseSuccessful = true;
user.SessionTimer = SessionTimer.SetSessionTimer(user.Id);
Startup.sessionCookie = user;
db.Update(user);
db.SaveChanges();
}
}
}
}
return(isPurchaseSuccessful);
}
/// <summary>
/// Adds book to category
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static void AddBookToCategory(User admin)
{
bool isBookAdded = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter book Id:");
int.TryParse(Console.ReadLine(), out int bookId);
Console.Write("Enter category Id:");
int.TryParse(Console.ReadLine(), out int categoryId);
var result = api.AddBookToCategory(admin.Id, bookId, categoryId);
if (result == false)
{
var input = ErrorMessage.ErrorAbort("adding a book to a category", "you entered incorrect data");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithString("Book assigned to category");
isBookAdded = true;
UserController.SendPing(admin.Id);
}
} while (isBookAdded == false);
}
/// <summary>
/// Creates a new User object.
/// User object as parameter for handling session timer and ping function.
/// </summary>
/// <param name="admin"></param>
public static void AddUser(User admin)
{
bool isUserCreated = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter name: ");
var name = Console.ReadLine();
Console.Write("Enter password: "******"adding a user", "or a user with that name already exists");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithString("A new user was added with name", $"{name} and password {password}");
UserController.SendPing(admin.Id);
isUserCreated = true;
}
} while (isUserCreated == false);
}
/// <summary>
/// Sets Book objects Amount
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static void SetAmount(User admin)
{
bool isAmountSet = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter book Id:");
int.TryParse(Console.ReadLine(), out var bookId);
Console.Write("Enter amount:");
int.TryParse(Console.ReadLine(), out var amount);
var result = api.SetAmount(admin.Id, bookId, amount);
if (result.isAmountSet == false)
{
var input = ErrorMessage.ErrorAbort("setting the amount", "you entered incorrect data");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithInt("Amount set to", result.amount);
isAmountSet = true;
UserController.SendPing(admin.Id);
}
} while (isAmountSet == false);
}
/// <summary>
/// Retrieves all Users matching search term based on User.Name
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static List <List <object> > FindUser(User admin)
{
List <List <object> > userListData = new List <List <object> >();
bool isUsersFound = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter search term: ");
var keyword = Console.ReadLine();
var result = api.FindUser(admin.Id, keyword);
if (result.Count < 1)
{
var input = ErrorMessage.ErrorAbort("retrieving users", "the database is corrupt/empty, or your search term gave no matches");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
userListData = UserConverters.UserConverter(result);
UserController.SendPing(admin.Id);
isUsersFound = true;
}
} while (isUsersFound == false);
return(UserView.UserListReader(userListData));
}
/// <summary>
/// Adds a new category to database
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static void AddCategory(User admin)
{
bool isCategoryCreated = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter name:");
var categoryName = Console.ReadLine();
var result = api.AddCategory(admin.Id, categoryName);
if (result == false)
{
var input = ErrorMessage.ErrorAbort("creating a new category", "there already is a category with that name");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithString("A new category was created with the name", $"{categoryName}");
isCategoryCreated = true;
UserController.SendPing(admin.Id);
}
} while (isCategoryCreated == false);
}
/// <summary>
/// Deletes one(1) Book object from database
/// User object as parameter for handling session timer and ping function
/// </summary>
/// <param name="admin"></param>
public static void DeleteBook(User admin)
{
bool isBookDeleted = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter book Id: ");
int.TryParse(Console.ReadLine(), out var bookId);
var result = api.DeleteBook(admin.Id, bookId);
if (result == false)
{
var input = ErrorMessage.ErrorAbort("deleting the book", "you entered incorrect data");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithString("Book deleted");
isBookDeleted = true;
UserController.SendPing(admin.Id);
}
} while (isBookDeleted == false);
}
/// <summary>
/// Activates a user.
/// User object as parameter for handling session timer and ping function.
/// </summary>
/// <param name="admin"></param>
public static void ActivateUser(User admin)
{
bool isUserActivated = false;
do
{
if (SessionTimer.CheckSessionTimer(admin.SessionTimer) == true || admin.SessionTimer == DateTime.MinValue)
{
Console.Clear();
GeneralMessage.AdminNotLoggedIn();
break;
}
Console.Clear();
var api = new API();
Console.Write("Enter user Id: ");
int.TryParse(Console.ReadLine(), out int userId);
var result = api.ActivateUser(admin.Id, userId);
if (result == false)
{
var input = ErrorMessage.ErrorAbort("activating a user", "you entered incorrect data");
if (input != "")
{
Console.Clear();
break;
}
}
else
{
SuccessMessage.SuccessWithString("User is now activated");
UserController.SendPing(admin.Id);
isUserActivated = true;
}
} while (isUserActivated == false);
}
public static void BuyBook(User user)
{
bool isBookPurchased = false;
var api = new API();
do
{
if (SessionTimer.CheckSessionTimer(user.SessionTimer) == true || user.SessionTimer == DateTime.MinValue)
{
Console.Clear();
BuyBookMessage.UserNotLoggedIn();
break;
}
else
{
Console.Clear();
Console.Write("Enter the Id for the book you want to buy: ");
int.TryParse(Console.ReadLine(), out var bookId);
var result = api.BuyBook(user.Id, bookId);
if (result == false)
{
var input = BuyBookMessage.Error();
if (input != "")
{
Console.Clear();
break;
}
}
else
{
BuyBookMessage.Success();
isBookPurchased = true;
}
}
} while (isBookPurchased == false);
}
/// <summary>
/// Main menu method. This is the center for the application, program flow starts and ends here.
/// User object as parameter for handling session timer and ping function.
/// Prints different menu's depending on user being logged in/logged out/have administrator privileges
/// </summary>
/// <param name="user"></param>
public static void MainMenu(User user)
{
while (isMainMenuRunning)
{
UserController.SendPing(user.Id);
user = Startup.sessionCookie;
Console.Clear();
ASCII.MainMenuASCII();
//If user is logged out
if (SessionTimer.CheckSessionTimer(user.SessionTimer) == true)
{
Console.WriteLine("[1] Browse books");
Console.WriteLine("[2] Browse categories");
Console.WriteLine("[3] Buy book\n\n");
Console.WriteLine("[4] Register");
Console.WriteLine("[5] Login");
Console.WriteLine("[6] Quit application");
int.TryParse(Console.ReadLine(), out var mainMenuLoggedOutInput);
switch (mainMenuLoggedOutInput)
{
case 1:
BookMenuController.BookMenu();
break;
case 2:
CategoryMenuController.CategoryMenu();
break;
case 3:
UserController.BuyBook(user);
break;
case 4:
UserController.RegisterNewUser();
break;
case 5:
UserController.LogInUser();
break;
case 6:
isMainMenuRunning = false;
break;
}
}
//If user is logged in
else if (SessionTimer.CheckSessionTimer(user.SessionTimer) == false && user.IsAdmin == false)
{
Console.WriteLine("[1] Browse books");
Console.WriteLine("[2] Browse categories");
Console.WriteLine("[3] Buy book\n\n");
Console.WriteLine("[4] Logout");
Console.WriteLine("[5] Quit application");
int.TryParse(Console.ReadLine(), out var mainMenuLoggedInInput);
switch (mainMenuLoggedInInput)
{
case 1:
BookMenuController.BookMenu();
break;
case 2:
CategoryMenuController.CategoryMenu();
break;
case 3:
UserController.BuyBook(user);
break;
case 4:
UserController.LogOutUser(user);
break;
case 5:
isMainMenuRunning = false;
break;
}
}
//If user is logged in and is admin
else if (SessionTimer.CheckSessionTimer(user.SessionTimer) == false && user.IsAdmin == true)
{
Console.WriteLine("[1] Browse books");
Console.WriteLine("[2] Browse categories");
Console.WriteLine("[3] Buy book\n\n");
Console.WriteLine("[4] Administrator menu");
Console.WriteLine("[5] Logout");
Console.WriteLine("[6] Quit application");
int.TryParse(Console.ReadLine(), out var mainMenuAdminInput);
switch (mainMenuAdminInput)
{
case 1:
BookMenuController.BookMenu();
break;
case 2:
CategoryMenuController.CategoryMenu();
break;
case 3:
UserController.BuyBook(user);
break;
case 4:
AdminMenuController.AdminMainMenu(user);
break;
case 5:
UserController.LogOutUser(user);
break;
case 6:
isMainMenuRunning = false;
break;
}
}
}
}
