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personal_watchlist.cpp
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personal_watchlist.cpp
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// personal_watchlist.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
// Menu Array
string menu[7] = { "1. Add a movie", "2. Update a movie", "3. Delete a movie", "4. Search a movie", "5. Sort Movies", "6. History", "0. Exit" };
string HistoryMenu[4] = { "1. Search a movie", "2. Watchlist","3. Delete a movie", "0. Exit" };
// ===== Define Movie Structure =====
struct Movie {
string title;
string genre;
string rating;
string year;
Movie* prev = NULL;
Movie* next = NULL;
} *WLHead, * WLTail, * curr, * newNode, *before, *after
, *HHead, *HTail;
// ===== Create Linked List for Watchlist and History =====
void createWL(string title, string genre, string rating, string year) {
WLHead = new Movie();
WLHead->title = title;
WLHead->genre = genre;
WLHead->rating = rating;
WLHead->year = year;
WLTail = WLHead;
}
void createH(string title, string genre, string rating, string year) {
HHead = new Movie();
HHead->title = title;
HHead->genre = genre;
HHead->rating = rating;
HHead->year = year;
HTail = HHead;
}
// ===== Count number of nodes in Watchlist and History =====
int countWL(){
curr = WLHead;
int num = 0;
while (curr != NULL) {
num++;
curr = curr->next;
}
return num;
}
int countH() {
curr = HHead;
int num = 0;
while (curr != NULL) {
num++;
curr = curr->next;
}
return num;
}
// ===== Add a movie to the front of theHistory =====
void addFirstH(string title, string genre, string rating, string year) {
newNode = new Movie();
newNode->title = title;
newNode->genre = genre;
newNode->rating = rating;
newNode->year = year;
newNode->next = HHead;
HHead->prev = newNode;
HHead = newNode;
}
// ===== Add a movie to the end of the Watchlist=====
void addLastWL(string title, string genre, string rating, string year) {
newNode = new Movie();
newNode->title = title;
newNode->genre = genre;
newNode->rating = rating;
newNode->year = year;
newNode->prev = WLTail;
WLTail->next = newNode;
WLTail = newNode;
}
// ===== Sorting Watchlist =====
void sortWL(int i) {
Movie * index = NULL;
curr = NULL;
string TTemp,GTemp,YTemp,RTemp;
//Check whether list is empty
if (WLHead == NULL) {
return;
}
else {
if(i == 1){// ===== sorting title
//curr will point to head
for (curr = WLHead; curr->next != NULL; curr = curr->next) {
//Index will point to node next to curr
for (index = curr->next; index != NULL; index = index->next) {
//If curr's Title is greater than index's Title, swap the data of curr and index
if (curr->title > index->title) {
TTemp = curr->title;
YTemp = curr->year;
RTemp = curr->rating;
GTemp = curr->genre;
curr->title = index->title;
curr->year = index->year;
curr->rating = index->rating;
curr->genre = index->genre;
index->title = TTemp;
index->year = YTemp;
index->rating = RTemp;
index->genre = GTemp;
}
}
}
}
else if (i == 2) { // ===== sorting Genre
//Current will point to head
//curr will point to head
for (curr = WLHead; curr->next != NULL; curr = curr->next) {
//Index will point to node next to curr
for (index = curr->next; index != NULL; index = index->next) {
//If curr's Title is greater than index's Title, swap the data of curr and index
if (curr->genre > index->genre) {
TTemp = curr->title;
YTemp = curr->year;
RTemp = curr->rating;
GTemp = curr->genre;
curr->title = index->title;
curr->year = index->year;
curr->rating = index->rating;
curr->genre = index->genre;
index->title = TTemp;
index->year = YTemp;
index->rating = RTemp;
index->genre = GTemp;
}
}
}
}
else if (i == 3) { // ===== sorting Year
//curr will point to head
for (curr = WLHead; curr->next != NULL; curr = curr->next) {
//Index will point to node next to curr
for (index = curr->next; index != NULL; index = index->next) {
//If curr's Title is greater than index's Title, swap the data of curr and index
if (curr->year > index->year) {
TTemp = curr->title;
YTemp = curr->year;
RTemp = curr->rating;
GTemp = curr->genre;
curr->title = index->title;
curr->year = index->year;
curr->rating = index->rating;
curr->genre = index->genre;
index->title = TTemp;
index->year = YTemp;
index->rating = RTemp;
index->genre = GTemp;
}
}
}
}
else if (i == 4) { // ===== sorting rating
//curr will point to head
for (curr = WLHead; curr->next != NULL; curr = curr->next) {
//Index will point to node next to curr
for (index = curr->next; index != NULL; index = index->next) {
//If curr's Title is greater than index's Title, swap the data of curr and index
if (curr->rating > index->rating) {
TTemp = curr->title;
YTemp = curr->year;
RTemp = curr->rating;
GTemp = curr->genre;
curr->title = index->title;
curr->year = index->year;
curr->rating = index->rating;
curr->genre = index->genre;
index->title = TTemp;
index->year = YTemp;
index->rating = RTemp;
index->genre = GTemp;
}
}
}
}
}
}
// Global Variable
int WLPage = 1, WLTotalPage = round(countWL()/8)+1, WLElement = 0, HPage = 1, HTotalPage = 1, HElement = 0;
// ===== Watchlist and History Menu Printing Function =====
void WLMenu() {
WLTotalPage = round(countWL() / 8)+1;
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
::cout << "|" << setfill(' ') << setw(41) << "Personal Watchlist" << setw(25) << "|" << endl;
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
::cout << "| " << setw(40) << setfill(' ') << left << "Watchlist"; ::cout << " | "; ::cout << setw(20) << left << "Menu" << " |" << endl;
::cout << "+" << setw(66) << setfill('-') << right << "+" << endl;
if (WLHead == NULL) {
for (int i = 0; i < 8; i++) {
if (i == 3) {
::cout << "| " << setw(27) << right << "Watchlist Empty" << setw(16) << " | " << setw(20) << left << menu[i] << " |" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
else {
::cout << "| " << setw(43) << setfill(' ') << " | " << setw(20) << left << menu[i] << " |" << endl;
::cout << "| " << setw(43) << right << " | "<< setw(22) << right << "|" << endl;
}
}
} else {
curr = WLHead;
if (WLPage > 1) {
for (int i = 0; i < (WLPage-1) * 8; i++) {
curr = curr->next;
}
}
for (int i = 0; i < 8; i++){
if(curr != NULL){
::cout << "| " << setw(40) << left << setfill(' ') << (curr->title+" (" + curr->year + ")" )<< " | " << setw(20) << left << menu[i] << " |" << endl;
::cout << "| " << setw(40) << left << setfill(' ')<<(" " + curr->genre + " - " + curr->rating) << " | " << setw(22) << right << "|" << endl;
curr = curr->next;
}
else {
::cout << "| " << setw(43) << setfill(' ') << " | " << setw(20) << left << menu[i] << " |" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
}
}
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
::cout << ("| Page "+ to_string(WLPage)+"/"+ to_string(WLTotalPage)) << setw(57) << setfill(' ') << "Previous(<) Watch(^) Next(>) | " << endl;
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
}
void HMenu() {
HTotalPage = round(countH() / 8) + 1;
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
::cout << "|" << setfill(' ') << setw(41) << "Personal Watchlist" << setw(25) << "|" << endl;
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
::cout << "| " << setw(40) << setfill(' ') << left << "History"; ::cout << " | "; ::cout << setw(20) << left << "Menu" << " |" << endl;
::cout << "+" << setw(66) << setfill('-') << right << "+" << endl;
if (HHead == NULL) {
for (int i = 0; i < 8; i++) {
if (i == 3) {
::cout << "| " << setw(27) << right << "History Empty" << setw(16) << " | " << setw(20) << left << HistoryMenu[i] << " |" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
else if(i<4){
::cout << "| " << setw(43) << setfill(' ') << " | " << setw(20) << left << HistoryMenu[i] << " |" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
else {
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
}
}
else {
curr = HHead;
if (HPage > 1) {
for (int i = 0; i < (HPage - 1) * 8; i++) {
curr = curr->next;
}
}
for (int i = 0; i < 8; i++) {
if (curr != NULL) {
::cout << "| " << setw(40) << left << setfill(' ') << (curr->title + " (" + curr->year + ")") << " | " << setw(20) << left << HistoryMenu[i] << " |" << endl;
::cout << "| " << setw(40) << left << setfill(' ') << (" " + curr->genre + " - " + curr->rating) << " | " << setw(22) << right << "|" << endl;
curr = curr->next;
}
else if(i<4) {
::cout << "| " << setw(43) << setfill(' ') << " | " << setw(20) << left << HistoryMenu[i] << " |" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
else {
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
::cout << "| " << setw(43) << right << " | " << setw(22) << right << "|" << endl;
}
}
}
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
::cout << ("| Page " + to_string(HPage) + "/" + to_string(HTotalPage)) << setw(57) << setfill(' ') << "Previous(<) Watch(^) Next(>) | " << endl;
::cout << "+" << setw(66) << setfill('-') << "+" << endl;
}
// ==================== M A I N F U N C T I O N ====================
int main()
{
string title, year, genre, rating;
char sortMenu;
int MenuChoose = 0;
menuChoose:
if (MenuChoose == 0){// =============== W A T C H L I S T ===============
WLMenu();
char Choose;
cout << "INPUT : "; cin >> Choose;
switch (Choose) {
case '1':// ===== add movie
cout << "Title : ";
cin.ignore();
getline(cin, title);
cout << "Year : "; cin >> year;
cout << "Genre : "; cin >> genre;
cout << "Rating : "; cin >> rating;
if (WLHead==NULL) {
createWL(title, genre, rating, year);
}
else {
addLastWL(title, genre, rating, year);
}
goto menuChoose;
break;
case '2':// ===== update movie
if (WLHead == NULL){
cout << "Watchlist is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(cin, title);
curr = WLHead;
while (curr != NULL) {
if (curr->title == title) {
cout << "Title : ";
cin.ignore();
getline(cin, title);
cout << "Year : "; cin >> year;
cout << "Genre : "; cin >> genre;
cout << "Rating : "; cin >> rating;
curr->title = title; curr->year = year; curr->genre = genre; curr->rating = rating;
cout << "Movie Updated Successfully!" << endl;
goto menuChoose;
}
curr = curr->next;
}
cout << "Movie not Found!" << endl;
goto menuChoose;
break;
case '3':// ===== delete a movie
if (WLHead == NULL) {
cout << "Watchlist is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(std::cin, title);
if (WLHead->title == title) {
curr = WLHead;
WLHead = WLHead->next;
delete curr;
cout << "Movie Deleted!" << endl;
goto menuChoose;
}
if (WLTail->title == title) {
before = WLTail->prev;
before->next = NULL;
delete WLTail;
WLTail = before;
cout << "Movie Deleted!" << endl;
goto menuChoose;
}
curr = WLHead;
while (curr != NULL) {
if (curr->title == title) {
before = curr->prev;
after = curr->next;
before->next = after;
after->prev = before;
delete curr;
cout << "Movie Deleted!" << endl;
goto menuChoose;
}
curr = curr->next;
}
cout << "Movie not Found!" << endl;
goto menuChoose;
break;
case '4':// ===== search a movie
if (WLHead == NULL) {
cout << "Watchlist is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(cin, title);
curr = WLHead; WLElement = 0;
while (curr != NULL) {
if (curr->title == title) {
WLPage = static_cast<int>(round(WLElement / 8)+1);
cout << "Movie Found!" << endl;
goto menuChoose;
}
curr = curr->next;
WLElement++;
}
cout << "Movie not Found!" << endl;
goto menuChoose;
break;
case '5':// ===== Sort Movies
if (WLHead == WLTail || WLHead == NULL) {
cout << "Watchlist Empty or Less Movies!" << endl;
goto menuChoose;
}
cout << "Sort Movie By :" << endl;
cout << "[T]title|[G]genre|[Y]year|[R]rating" << endl;
cout << "Choose : "; cin >> sortMenu;
if (sortMenu == 'T' || sortMenu == 't') {
sortWL(1);
cout << "Watchlist has been Sorted!" << endl;
goto menuChoose;
}
else if (sortMenu == 'G' || sortMenu == 'g') {
sortWL(2);
cout << "Watchlist has been Sorted!" << endl;
goto menuChoose;
}
else if (sortMenu == 'Y' || sortMenu == 'y') {
sortWL(3);
cout << "Watchlist has been Sorted!" << endl;
goto menuChoose;
}
else if (sortMenu == 'R' || sortMenu == 'r') {
sortWL(4);
cout << "Watchlist has been Sorted!" << endl;
goto menuChoose;
}
else {
cout << "Command not Found!" << endl;
goto menuChoose;
}
break;
case '6': // ==== goto history
MenuChoose = 1;
goto menuChoose;
break;
case '0':
return 0;
break;
case '<': // ===== Previous Page
if (WLPage <= 1)
goto menuChoose;
WLPage--;
goto menuChoose;
break;
case '^':// ===== watch movie
if (WLHead == NULL) {
cout << "Watchlist is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(cin, title);
curr = WLHead;
while (curr != NULL) {
if (curr->title == title) {
if (curr == WLHead) {
if (HHead == NULL) {
// create HHead
createH(curr->title, curr->genre, curr->rating, curr->year);
WLHead = WLHead->next;
WLHead->prev == NULL;
cout << "Movie Watched and Moved to History!" << endl;
goto menuChoose;
}
addFirstH(curr->title, curr->genre, curr->rating, curr->year);
WLHead = WLHead->next;
WLHead->prev == NULL;
cout << "Movie Watched and Moved to History!" << endl;
goto menuChoose;
} else if (curr == WLTail) {
if (HHead == NULL) {
// create HHead
createH(curr->title, curr->genre, curr->rating, curr->year);
WLTail = WLTail->prev;
WLTail->next = NULL;
cout << "Movie Watched and Moved to History!" << endl;
goto menuChoose;
}
addFirstH(curr->title, curr->genre, curr->rating, curr->year);
WLTail = WLTail->prev;
WLTail->next = NULL;
cout << "Movie Watched and Moved to History!" << endl;
goto menuChoose;
}
if (HHead == NULL) {
createH(curr->title, curr->genre, curr->rating, curr->year);
before = curr->prev;
after = curr->next;
before->next = after;
after->prev = before;
cout << "Movie Watched and Moved to History!" << endl;
goto menuChoose;
}
addFirstH(curr->title, curr->genre, curr->rating, curr->year);
before = curr->prev;
after = curr->next;
before->next = after;
after->prev = before;
cout << "Movie Watched and Moved to History!" << endl;
goto menuChoose;
}
curr = curr->next;
}
cout << "Movie not Found!" << endl;
goto menuChoose;
break;
case '>': // ===== next page
if (WLPage >= WLTotalPage)
goto menuChoose;
WLPage++;
goto menuChoose;
break;
case '9': // ========== HIDDEN FUNCTION ========================+
createWL("The Dark Knight", "Action", "9.0", "2008");// |
addLastWL("Jumanji", "Adventure", "8.5", "2019");// |
addLastWL("Titanic", "Romance", "9.5", "1976");// |
addLastWL("Weathering with You", "Drama", "8.4", "2019");// |
addLastWL("MEG", "Thriller", "7.6", "2018");// |
addLastWL("The Witcher", "Fantasy", "9.6", "2021");// |
addLastWL("Barbie", "Kids", "8.2", "2006");// |
addLastWL("John Wick", "Thriller","8.8","2023");// |
addLastWL("Fury", "Historical", "9.1","2015");// |
addLastWL("Mouse", "Psychological", "7.2", "2022");// |
addLastWL("Incantation", "Horror", "7.6", "2012");// |
addLastWL("Squid Game", "Mystery", "6.9", "2020");// |
addLastWL("Ready Player One", "Sci-Fi", "7.1", "2017");// |
//==========================================================+
goto menuChoose;
break;
default:
goto menuChoose;
break;
}
}else if (MenuChoose == 1) { // =================== H I S T O R Y ===================
HMenu();
char Choose;
cout << "INPUT : "; cin >> Choose;
switch (Choose) {
case '1': // ===== search a movie =====
if (HHead == NULL) {
cout << "History is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(cin, title);
curr = HHead; HElement = 0;
while (curr != NULL) {
if (curr->title == title) {
HPage = static_cast<int>(round(HElement / 8) + 1);
cout << "Movie Found!" << endl;
goto menuChoose;
}
curr = curr->next;
HElement++;
}
cout << "Movie not Found!" << endl;
goto menuChoose;
break;
case '2': // ===== goto Watchlist =====
MenuChoose = 0;
goto menuChoose;
break;
case '3': // ===== Delete a movie from history =====
if (HHead == NULL) {
cout << "Watchlist is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(std::cin, title);
if (HHead->title == title) {
curr = HHead;
HHead = HHead->next;
delete curr;
cout << "Movie Deleted from History!" << endl;
goto menuChoose;
}
if (HTail->title == title) {
before = HTail->prev;
before->next = NULL;
delete HTail;
HTail = before;
cout << "Movie Deleted from History!" << endl;
goto menuChoose;
}
curr = HHead;
while (curr != NULL) {
if (curr->title == title) {
before = curr->prev;
after = curr->next;
before->next = after;
after->prev = before;
delete curr;
cout << "Movie Deleted from History!" << endl;
goto menuChoose;
}
curr = curr->next;
}
cout << "Movie not Found!" << endl;
goto menuChoose;
break;
case '0':
return 0;
break;
case '<':
if (HPage <= 1)
goto menuChoose;
HPage--;
goto menuChoose;
break;
case '^':
if (HHead == NULL) {
cout << "History is Empty!" << endl;
goto menuChoose;
}
cout << "Title : ";
cin.ignore();
getline(cin, title);
curr = HHead;
while (curr != NULL) {
if (curr->title == title) {
if (curr->title == HHead->title) {
cout << "Movie Watched and History Updated!" << endl;
goto menuChoose;
}
if (curr->title == HTail->title) {
curr = HTail;
curr->next = HHead;
HHead->prev = curr;
HHead = curr;
HTail = HTail->prev;
HTail->next = NULL;
cout << "Movie Watched and History Updated!" << endl;
goto menuChoose;
}
curr->prev->next = curr->next;
curr->next->prev = curr->prev;
// adding curr to history
curr->next = HHead;
curr->prev = NULL;
HHead->prev = curr;
HHead = curr;
cout << "Movie Watched and History Updated!" << endl;
goto menuChoose;
}
curr = curr->next;
}
cout << "Movie not Found in History!" << endl;
goto menuChoose;
break;
case '>':
if (HPage >= HTotalPage)
goto menuChoose;
HPage++;
goto menuChoose;
break;
default:
goto menuChoose;
break;
}
}
return 0;
}
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
// Tips for Getting Started:
// 1. Use the Solution Explorer window to add/manage files
// 2. Use the Team Explorer window to connect to source control
// 3. Use the Output window to see build output and other messages
// 4. Use the Error List window to view errors
// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file