feat(Week07): Add solutions

1 files changed, 382 insertions, 0 deletions

diff --git a/Week07/Exercise01/main.cpp b/Week07/Exercise01/main.cpp
new file mode 100644
index 0000000..ca97b15
--- /dev/null
+++ b/Week07/Exercise01/main.cpp
@@ -0,0 +1,382 @@
+#include "OnlineLibrary.h"
+#include "LibraryBanking.h"
+#include "Transaction.h"
+#include <iostream>
+
+// Игнорираме всички букви до края на реда вкл.
+void ignoreLine() {
+	while (std::cin.get() != '\n');
+}
+
+// Тази функция ни позволява да приемем от входа низ с неограничена дължина
+String getlineEndless() {
+	String bufferString;
+	for (char buffer = std::cin.get(); buffer != '\n'; buffer = std::cin.get()) {
+		bufferString.AppendChar(buffer);
+	}
+	return bufferString;
+}
+
+void RegisterConsole(OnlineLibrary& lib, LibraryBanking& libBank) {
+	char c;
+	std::cin >> c;
+	switch (c) {
+		case 'u': {
+				User newUser;
+
+				std::cout << "Username: ";
+				ignoreLine();
+				newUser.SetEmail(getlineEndless());
+
+				std::cout << "Password: ";
+				newUser.SetPassword(getlineEndless());
+
+				std::cout << "Bank card: ";
+				unsigned bankCard;
+				std::cin >> bankCard;
+				newUser.SetBankCard(bankCard);
+
+				lib.RegisterUser(newUser);
+			}
+			break;
+		case 'l': {
+				std::cout << "Librarian Number: ";
+				unsigned number;
+				std::cin >> number;
+
+				Librarian newLib(number);
+
+				std::cout << "Password: ";
+				ignoreLine();
+				newLib.SetPassword(getlineEndless());
+
+				lib.RegisterLibrarian(newLib);
+			}
+			break;
+		case 'c': {
+				std::cout << "Clerk Number: ";
+				unsigned number;
+				std::cin >> number;
+
+				BankClerk newClerk(number);
+
+				std::cout << "Static password: ";
+				ignoreLine();
+				newClerk.SetPassword(getlineEndless());
+
+				libBank.RegisterClerk(newClerk);
+			}
+			break;
+	}
+}
+
+void UserConsole(OnlineLibrary& lib, LibraryBanking& libBank) {
+	std::cout << "Username: ";
+	ignoreLine();
+	String bufferUsername = getlineEndless();
+
+	std::cout << "Password: ";
+	String bufferPassword = getlineEndless();
+
+	User* loggedIn = lib.LoginUser(bufferUsername, bufferPassword);
+	if (loggedIn == nullptr) {
+		std::cout << "Invalid username or password!" << std::endl;
+		return;
+	}
+
+	while (true) {
+		char c;
+		std::cin >> c;
+		switch (c) {
+			case 'e':
+				return;
+			case 'l':
+				loggedIn->ListLibrary();
+				break;
+			case 'r': {
+					std::cout << "User library index: ";
+					unsigned i;
+					std::cin >> i;
+					const Book* book = loggedIn->GetBook(i);
+
+					if (book == nullptr) {
+						std::cout << "Invalid index!" << std::endl;
+					}
+					else {
+						std::cout << book->GetText().GetStr() << std::endl;
+					}
+				}
+				break;
+			case 's':
+				lib.ListBooks();
+				break;
+			case 'p': {
+					std::cout << "Book index: ";
+					unsigned i;
+					std::cin >> i;
+					const Book* book = lib.GetBook(i);
+
+					if (book == nullptr) {
+						std::cout << "Invalid index!" << std::endl;
+					}
+					else if (loggedIn->GetBankCard() == 0 && book->GetPrice() != 0.0) {
+						std::cout << "Cannot purchase book with invalid card!" << std::endl;
+					}
+					else {
+						lib.PurchaseBook(*book, *loggedIn, libBank);
+						loggedIn->AddBookToLibrary(book);
+					}
+				}
+				break;
+			case 't':
+				lib.ListTransactions(*loggedIn);
+				break;
+			case 'x': {
+					std::cout << "Output file: ";
+					ignoreLine();
+					String fileName = getlineEndless();
+
+					lib.ExportTransactions(*loggedIn, fileName);
+				}
+				break;
+
+			case 'P': {
+					std::cout << "New password: ";
+					ignoreLine();
+					String newPassword = getlineEndless();
+
+					loggedIn->SetPassword(newPassword);
+				}
+				break;
+			case 'C': {
+					std::cout << "New bank card: ";
+					unsigned newBankCard;
+					std::cin >> newBankCard;
+
+					loggedIn->SetBankCard(newBankCard);
+				}
+				break;
+		}
+	}
+}
+
+void LibrarianConsole(OnlineLibrary& lib) {
+	std::cout << "Librarian number: ";
+	unsigned bufferLibrarianNo;
+	std::cin >> bufferLibrarianNo;
+
+	std::cout << "Password: ";
+	ignoreLine();
+	String bufferPassword = getlineEndless();
+
+	Librarian* loggedIn = lib.LoginLibrarian(bufferLibrarianNo, bufferPassword);
+	if (loggedIn == nullptr) {
+		std::cout << "Invalid librarian number or password!" << std::endl;
+		return;
+	}
+
+	while (true) {
+		char c;
+		std::cin >> c;
+		switch (c) {
+			case 'e':
+				return;
+			// Не се изисква по условие, но е удобно
+			case 's':
+				lib.ListBooks();
+				break;
+			case 'a': {
+					Book newBook;
+					newBook.SetAvailableForPurchase(true);
+
+					std::cout << "Title: ";
+					ignoreLine();
+					newBook.SetTitle(getlineEndless());
+
+					std::cout << "Author: ";
+					newBook.SetAuthor(getlineEndless());
+
+					std::cout << "Year: ";
+					short year;
+					std::cin >> year;
+					newBook.SetYear(year);
+
+					std::cout << "Price: ";
+					double price;
+					std::cin >> price;
+					newBook.SetPrice(price);
+
+					ignoreLine();
+					String text;
+					char prevprev = std::cin.get(), prev = std::cin.get(), curr = std::cin.get();
+					while (prevprev != '\n' || prev != '.' || curr != '\n') {
+						text.AppendChar(prevprev);
+						std::cout << '[' << (int)prevprev << ',' << (int)prev << ',' << (int)curr << ']' << std::endl;
+
+						prevprev = prev;
+						prev = curr;
+						curr = std::cin.get();
+					}
+					text.AppendChar(prevprev);
+					newBook.SetText(text);
+
+					lib.AddBook(newBook);
+				}
+				break;
+			case 'i': {
+					Book newBook;
+					newBook.SetAvailableForPurchase(true);
+
+					std::cout << "File name: ";
+					ignoreLine();
+					if (newBook.Import(getlineEndless())) {
+						double price;
+						std::cout << "Price: ";
+						std::cin >> price;
+						newBook.SetPrice(price);
+
+						lib.AddBook(newBook);
+					}
+				}
+				break;
+			case 'x': {
+					std::cout << "Book index: ";
+					unsigned i;
+					std::cin >> i;
+					Book* book = lib.GetBook(i);
+
+					if (book == nullptr) {
+						std::cout << "Invalid index!" << std::endl;
+					}
+					else {
+						std::cout << "File name: ";
+						ignoreLine();
+						book->Export(getlineEndless());
+					}
+				}
+				break;
+			case 'E': {
+					std::cout << "Book index: ";
+					unsigned i;
+					std::cin >> i;
+					Book* book = lib.GetBook(i);
+
+					if (book == nullptr) {
+						std::cout << "Invalid index!" << std::endl;
+					}
+					else {
+						ignoreLine();
+						std::cout << "Title: ";
+						book->SetTitle(getlineEndless());
+
+						std::cout << "Author: ";
+						book->SetAuthor(getlineEndless());
+
+						std::cout << "Price: ";
+						double price;
+						std::cin >> price;
+						book->SetPrice(price);
+					}
+				}
+				break;
+			case 'A': {
+					std::cout << "Book index: ";
+					unsigned i;
+					std::cin >> i;
+					Book* book = lib.GetBook(i);
+
+					if (book == nullptr) {
+						std::cout << "Invalid index!" << std::endl;
+					}
+					else {
+						book->SetAvailableForPurchase(! book->GetAvailableForPurchase());
+						if (book->GetAvailableForPurchase()) {
+							std::cout << "Book is now available!" << std::endl;
+						}
+						else {
+							std::cout << "Book is now not available!" << std::endl;
+						}
+					}
+				}
+				break;
+		}
+	}
+}
+
+void ClerkConsole(LibraryBanking& libBank) {
+	std::cout << "Clerk number: ";
+	unsigned bufferClerkNo;
+	std::cin >> bufferClerkNo;
+
+	std::cout << "Dynamic password: ";
+	unsigned dynamicPassword;
+	std::cin >> dynamicPassword;
+
+	ignoreLine();
+	std::cout << "Static password: ";
+	String bufferPassword = getlineEndless();
+
+	BankClerk* loggedIn = libBank.LoginClerk(bufferClerkNo, dynamicPassword, bufferPassword);
+	if (loggedIn == nullptr) {
+		std::cout << "Invalid clerk number or password!" << std::endl;
+		return;
+	}
+
+	while (true) {
+		char c;
+		std::cin >> c;
+		switch (c) {
+			case 'e':
+				return;
+			case 'l':
+				libBank.ListPendingTransactions();
+				break;
+			case 'A':
+			case 'R': {
+					std::cout << "Transaction index: ";
+					unsigned i;
+					std::cin >> i;
+					Transaction* transaction = libBank.GetTransaction(i);
+
+					if (transaction == nullptr) {
+						std::cout << "Invalid index!" << std::endl;
+					}
+					else if (transaction->GetStatus() != STATUS_PENDING) {
+						std::cout << "Transaction not pending!" << std::endl;
+					}
+					else {
+						transaction->SetStatus(loggedIn->GetClerkNumber(), c == 'A' ? STATUS_ACCEPTED : STATUS_REJECTED);
+					}
+				}
+				break;
+			case 'x': {
+					std::cout << "File name: ";
+					ignoreLine();
+					libBank.ExportNonPendingTransactions(getlineEndless());
+				}
+				break;
+		}
+	}
+}
+
+// Поискано ни е да имплементираме система,
+// това да направим конзолен интерфейс се подразбира
+int main() {
+	OnlineLibrary lib;
+	LibraryBanking libBank;
+
+	while (true) {
+		char c;
+		std::cin >> c;
+		switch (c) {
+			case 'r': RegisterConsole(lib, libBank); break;
+			case 'u': UserConsole(lib, libBank); break;
+			case 'l': LibrarianConsole(lib); break;
+			case 'c': ClerkConsole(libBank); break;
+			case 'e': return 0;
+			default: std::cout << "Invalid!" << std::endl;
+		}
+	}
+
+	return 0;
+}