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Shruti Sharma Assignment 2 submission #53

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Assignment 2 Shruti Sharma
stardustflicker May 13, 2025
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3 changes: 3 additions & 0 deletions inventory.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
Inception SciFi Movie PG13 120.0 300.0
Titanic Romance Movie PG13 100.0 250.0
BreakingBad Crime TV PG 80.0 500.0
381 changes: 381 additions & 0 deletions netflix.cpp
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#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <ctime>
#include <filesystem>
using namespace std;
namespace fs=std::filesystem;

class Content {
protected:
string title;
string genre;
string rating;
bool is_rented;
bool is_purchased;

public:
Content() : is_rented(false), is_purchased(false) {}
Content(string t, string g, string r)
: title(t), genre(g), rating(r), is_rented(false), is_purchased(false) {}
virtual ~Content() {}
};

class Movie : public Content {
int duration; // in minutes
double rent_cost;
double purchase_cost;

public:
Movie(string t, string g, string r, int d, double rc, double pc)
: Content(t, g, r), duration(d), rent_cost(rc), purchase_cost(pc) {}

void display() const override {
cout << "Movie: " << title << "\nGenre: " << genre << "\nRating: " << rating<< "\nDuration: " << duration << " mins\nRent: ₹" << rent_cost<< "\nPurchase: ₹" << purchase_cost << endl;}
};

class TVShow : public Content {
int seasons;
int episodes_per_season;
double rent_cost;
double purchase_cost;

public:
TVShow(string t, string g, string r, int s, int eps, double rc, double pc)
: Content(t, g, r), seasons(s), episodes_per_season(eps), rent_cost(rc), purchase_cost(pc) {}

void display() const override {
cout << "TV Show: " << title << "\nGenre: " << genre << "\nRating: " << rating<< "\nSeasons: " << seasons << ", Episodes/Season: " << episodes_per_season << "\nRent (per season): ₹" << rent_cost << "\nPurchase (per season): ₹" << purchase_cost << endl;}
};

class ContentManager {
vector<Content*> inventory;

public:
~ContentManager() {
for (auto c : inventory) delete c;
}

void loadInventory() {
ifstream fin("inventory.txt");
string type, title, genre, rating;
double rent, purchase;
while (fin >> title >> genre >> type >> rating >> rent >> purchase) {
if (type == "Movie") {
inventory.push_back(new Movie(title, genre, rating, 120, rent, purchase)); // sample duration
} else if (type == "TV") {
inventory.push_back(new TVShow(title, genre, rating, 3, 10, rent, purchase)); // sample seasons/eps
}
}
fin.close();
}

void listAll() {
cout << "Available Content:\n";
for (auto c : inventory) c->display();
}

void searchByGenre(const string& g) {
for (auto c : inventory) {
if (c->getGenre() == g) {
c->display();
}
}
}

void rentContent(const string& title, const string& userFile) {
for (auto c : inventory) {
if (c->getTitle() == title) {
ofstream fout(userFile, ios::app);
fout << "RENTED: " << c->getTitle() << " Rent Cost: " << c->getRentCost() << "\n";
fout.close();
cout << "Rented successfully.\n";
return;
}
}
cout << "Content not found.\n";
}

void purchaseContent(const string& title, const string& userFile) {
for (auto c : inventory) {
if (c->getTitle() == title) {
ofstream fout(userFile, ios::app);
fout << "PURCHASED: " << c->getTitle() << " Cost: " << c->getPurchaseCost() << "\n";
fout.close();
cout << "Purchased successfully.\n";
return;
}
}
cout << "Content not found.\n";
}
Content* findByTitle(const string& t) {
for (auto c : inventory) {
if (c->getTitle() == t) return c;
}
return nullptr;
}

};


class user {
protected:
string username;
string password;
ContentManager &manager;
public:
User(const string &uname, const string &pwd, const ContentManager &m) : username(uname), password(pwd), ContentManager(m) {}
string getusername() const {
return username;}
string getpassword() const {
return password;}
void rentContent() {
string title;
cout << "Enter title to rent: ";
cin.ignore();
getline(cin, title);

ofstream fout(username + "_data.txt", ios::app);
fout << "RENTED: " << title << " on " << time(0) << endl;
cout << "Content rented successfully.\n";
}

void viewRented() {
ifstream fin(username + "_data.txt");
string line;
cout << "--- Your Rented Content ---\n";
while (getline(fin, line)) {
if (line.find("RENTED") != string::npos)
cout << line << endl;
}
}

void viewCharges() {
ifstream fin(username + "_data.txt");
string line;
double total = 0.0;

while (getline(fin, line)) {
size_t pos = line.find("Cost:");
if (pos != string::npos) {
string cost_str = line.substr(pos + 5); // Skip past "Cost:"
try {
total += stod(cost_str);
} catch (...) {
cerr << "Failed to parse cost in line: " << line << endl;
}
}
}

cout << "Total charges due: ₹" << total << endl;
}

void browseContent() {
ifstream fin("inventory.txt");
if (!fin) {
cout << "No content available.\n";
return;
}

Content c;
cout << "\n--- Available Content ---\n";
while (fin >> c.title >> c.genre >> c.type >> c.rating >> c.rent_cost >> c.purchase_cost) {
c.display();
}
}

void usermenu() {
int choice;
do {
cout << "\nUser Menu\n1. Browse Content\n2. Rent\n3. View Rented\n4. View Charges\n5. Logout\n";
cout << "Enter choice: ";
cin >> choice;

switch (choice) {
case 1: browseContent(); break;
case 2: rentContent(); break;
case 3: viewRented(); break;
case 4: viewCharges(); break;
case 5: cout << "Logging out...\n"; break;
default: cout << "Invalid option.\n";
}
} while (choice != 5);
}
};

void menu();
bool uname_exist(string &username);
void signup();
void login();
void adminlogin();
void adminmenu();

int main(){
if (!fs::exists(data/users){
fs::create(data/users);}
menu();
}

void menu(){
int choice;
do{
cout<<"Netflix\n";
cout<<"1. Login\n";
cout<<"2. Signin\n";
cout<<"3. Admin Login\n";
cout<<"Enter your choice: ";
cin>>choice;
switch(choice){
case 1:
login();
break;
case 2:
signup();
break;
case 3:
adminlogin();
break;
default:
cout<<"Invalid choice";

void signup(){
string uname, pwd;
cout<<"For signing up, enter a unique username :";
cin>>uname;
if (uname_exist(uname)){
cout<<"Username exists, please enter another username";
return;}

cout<<"\nEnter password :";
cin>>pwd;

ofstream outfile("users.txt", std::ios::app);
outfile<<uname<<" "pwd<<sdt::endl;
string filename = uname+"_data.txt";
ofstream userFile(filename);
userFile << "User: "<<uname<<endl;
userFile.close();
cout<<"Registration complete.";
menu();}

void login(){
string uname,pwd;
cout<<"Enter your username :";
cin>>uname;
cout<<"Enter your password :";
cin>>pwd;
ifstream fin("users.txt");
string u,p;
while(fin>>u>>p)
if(u==uname && p= pwd) {
cout<<"Login successful.\n";
User user(uname,pwd);
user.menu();
break;}
else continue;
cout<<"Invalid credentials. Try again\n";
usermenu();}


void adminlogin(){
string pwrd;
cout<<"Enter password :";
cin>>pwrd;
if(pwrd==adminpassword)
adminmenu();
else{
cout<<"Wrong password";
adminlogin();}
}

void adminmenu(){
int choice;
do {
cout << "\n🎬 Admin Menu\n1. Add Content\n2. View User Charges\n3. Logout\n";
cout << "Enter choice: ";
cin >> choice;

switch (choice) {
case 1: addContent(); break;
case 2: {
string uname;
cout << "Enter username: ";
cin >> uname;
viewUserCharges(uname);
break;
}
case 3: cout << "Logging out...\n"; break;
default: cout << "Invalid option.\n";
}
} while (choice != 3);
}
};}


class Admin {
const string admin_user = "admin";
const string admin_pass = "admin123";

public:
bool login(const string& u, const string& p) {
return (u == admin_user && p == admin_pass);
}

void addContent() {
Content c;
cout << "Enter title: "; cin >> c.title;
cout << "Enter genre: "; cin >> c.genre;
cout << "Enter type (Movie/TV): "; cin >> c.type;
cout << "Enter rating: "; cin >> c.rating;
cout << "Enter rent cost: "; cin >> c.rent_cost;
cout << "Enter purchase cost: "; cin >> c.purchase_cost;

ofstream fout("inventory.txt", ios::app);
fout << c.title << " " << c.genre << " " << c.type << " "
<< c.rating << " " << c.rent_cost << " " << c.purchase_cost << "\n";

cout << "Content added.\n";
}

void viewUserCharges(const string& uname) {
ifstream fin(uname + "_data.txt");
if (!fin) {
cout << "No such user.\n";
return;
}

cout << "--- Transactions for " << uname << " ---\n";
string line;
while (getline(fin, line)) {
cout << line << "\n";
}
}

void menu() {
int choice;
do {
cout << "\n🎬 Admin Menu\n1. Add Content\n2. View User Charges\n3. Logout\n";
cout << "Enter choice: ";
cin >> choice;

switch (choice) {
case 1: addContent(); break;
case 2: {
string uname;
cout << "Enter username: ";
cin >> uname;
viewUserCharges(uname);
break;
}
case 3: cout << "Logging out...\n"; break;
default: cout << "Invalid option.\n";
}
} while (choice != 3);
}
};





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