Merge pull request #8 from swastijain132005/todo-added

todo list program added

Author: prajwal3114

Src/To-Do-List/todo.cpp

@@ -0,0 +1,145 @@
+#include <iostream>
+#include <vector>
+
+
+#include <string>
+#include <limits>
+using namespace std;
+
+
+class Task {
+private:
+ string title;
+ bool isCompleted;
+
+public:
+
+ Task(string t) : title(t), isCompleted(false) {}
+
+ void markCompleted() {
+ isCompleted = true;
+ }
+
+ string getTitle() const {
+ return title;
+ }
+
+ bool getStatus() const {
+ return isCompleted;
+ }
+};
+
+ class ToDoList {
+private:
+ vector<Task> tasks;
+
+public:
+ 
+ void addTask(const string& title) {
+ if (title.empty()) {
+ cout << "❌ Task title cannot be empty!\n";
+ return;
+ }
+ tasks.push_back(Task(title));
+ cout << " ✅ Task added successfully!\n";
+ }
+
+ void showTasks() const {
+ if (tasks.empty()) {
+ cout << "📭 No tasks available!\n";
+ return;
+ }
+
+ cout << "\n------ To-Do List ------\n";
+ for (size_t i = 0; i < tasks.size(); ++i) {
+ cout << i + 1 << ". " << tasks[i].getTitle()
+ << " [" << (tasks[i].getStatus() ? "✅ Done" : "🕓 Pending") << "]\n";
+ }
+ cout << "------------------------\n";
+ }
+
+ void markTaskCompleted(int index) {
+ if (index < 1 || index > (int)tasks.size()) {
+ cout << "⚠️ Invalid task number!\n";
+ return;
+ }
+ tasks[index - 1].markCompleted();
+ cout << "✅ Task marked as completed!\n";
+ }
+
+ void deleteTask(int index) {
+ if (index < 1 || index > (int)tasks.size()) {
+ cout << "⚠️ Invalid task number!\n";
+ return;
+ }
+ tasks.erase(tasks.begin() + index - 1);
+ cout << "🗑️ Task deleted successfully!\n";
+ }
+};
+
+int getValidInt(const string& prompt) {
+ int value;
+ while (true) {
+ cout << prompt;
+ cin >> value;
+ if (cin.fail()) {
+ cout << "❌ Invalid input! Please enter a number.\n";
+ cin.clear();
+ cin.ignore(numeric_limits<streamsize>::max(), '\n');
+ } else {
+ cin.ignore(numeric_limits<streamsize>::max(), '\n');
+ return value;
+ }
+ }
+}
+
+int main() {
+ ToDoList todo;
+ int choice;
+ string title;
+ int index;
+
+ cout << "\n===== 📝 TO-DO LIST APPLICATION =====\n";
+ cout << "Manage your daily tasks efficiently.\n";
+
+ do {
+ cout << "\nMenu:\n";
+ cout << "1. Add Task\n";
+ cout << "2. View Tasks\n";
+ cout << "3. Mark Task as Completed\n";
+ cout << "4. Delete Task\n";
+ cout << "5. Exit\n";
+ choice = getValidInt("Enter your choice: ");
+
+ switch (choice) {
+ case 1:
+ cout << "Enter task title: ";
+ getline(cin, title);
+ todo.addTask(title);
+ break;
+
+ case 2:
+ todo.showTasks();
+ break;
+
+ case 3:
+ index = getValidInt("Enter task number to mark completed: ");
+ todo.markTaskCompleted(index);
+ break;
+
+ case 4:
+ index = getValidInt("Enter task number to delete: ");
+ todo.deleteTask(index);
+ break;
+
+ case 5:
+ cout << "👋 Exiting program. Goodbye!\n";
+ break;
+
+ default:
+ cout << "⚠️ Invalid choice. Try again!\n";
+ }
+ } while (choice != 5);
+
+ return 0;
+}