Zahra Alnamer

src/.vscode/launch.json

@@ -0,0 +1,13 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Dart & Flutter",
+      "request": "launch",
+      "type": "dart"
+    }
+  ]
+}

src/main.dart

@@ -1,8 +1,129 @@
-// TODO: Run task list app
-void main(List<String> args) {
-  print('Hello World');
+import 'dart:io';
+import 'task.dart';
+import 'taskList.dart';
+
+//you can make it global so you can access it from anywhere
+List<Task> _tasks = [];
+TaskList tasks = TaskList([]);
+
+void main(List<String> arg) {
+//Listing Choices
+  void showTasks() {
+    print("This is your Task List app");
+    print("**************************");
+    print("What Do You Need?");
+    print("1.Add Task");
+    print("2.List Task");
+    print("3.Update A Task");
+    print("4.Delete A Task");
+    print("5.Exit");
+  }
+
+//Making Choice
+  int choice = 0;
+  while (choice != 5) {
+    showTasks();
+    bool validChoice = false;
+    while (!validChoice) {
+      try {
+        stdout.write("Your Choice?");
+        choice = int.parse(stdin.readLineSync()!);
+        validChoice = true;
+      } catch (e) {
+        print("Enter A Number:");
+      }
+    }
+//Operating Choice
+    switch (choice) {
+      case 1:
+        addTask();
+        break;
+      case 2:
+        printTasks();
+        break;
+      case 3:
+        choose();
+        break;
+      case 4:
+        tasks.remove();
+        break;
+      default:
+        print("Invalid Choice");
+        break;
+    }
+  }
+}
+
+//Choose Between Title && Description Update
+
+void choose() {
+  int choice = 0;
+  try {
+    stdout.write("To Change Title:1 / To Change Description:2 \n Your Choice?");
+    choice = int.parse(stdin.readLineSync()!);
+    //validChoice = true;
+  } catch (e) {
+    print("Enter A Number:");
+  }
+  switch (choice) {
+    case 1:
+      updateTitle(_tasks);
+      break;
+    case 2:
+      updateDescription(_tasks);
+      break;
+    default:
+      print("Invalid Choice");
+      break;
+  }
+}
+
+//Adding A Task
+void addTask() {
+  stdout.write("Choose A Title For Your Task:");
+  String? title = stdin.readLineSync() ?? "";
+  if (title == "") {
+    print("You Should Enter A Title:");
+    return;
+  }
+  stdout.write("Choose A Description For Your Task:");
+  String? description = stdin.readLineSync() ?? "";
+  if (description == "") {
+    print("You Should Enter A Description");
+    return;
+  }
+  tasks.addTask(title, description);
+}
+
+//Viewing Tasks
+void printTasks() {
+  print(tasks.toString());
+}
+
+//For Title Update
+void updateTitle(_tasks) {
+  stdout.write("What Task To Update?");
+  int taskID = int.parse(stdin.readLineSync()!);
+  if (taskID <= tasks.length && taskID > 0) {
+    stdout.write("Enter Your New Title:");
+    String? Title = stdin.readLineSync();
+    tasks[taskID].title = Title!;
+    print("Updated Successfuly");
+    print("New Title:" '${tasks[taskID].title}');
+    return;
+  }
 }
 
-class TaskListApp {
-  // TODO: Implement Task list app
+//For Description Update
+void updateDescription(_tasks) {
+  stdout.write("What Task To Update?");
+  int taskID = int.parse(stdin.readLineSync()!);
+  if (taskID <= tasks.length && taskID > 0) {
+    stdout.write("Enter Your New  Description:");
+    String? Description = stdin.readLineSync();
+    tasks[taskID].description = Description!;
+    print("Updated Successfuly");
+    print("New Description:" '${tasks[taskID].description}');
+    return;
+  }
 }

src/task.dart

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+class Task {
+  int id;
+  String title;
+  String description;
+  bool isCompleted;
+
+  void set Id(int id) {
+    this.id = id;
+  }
+
+  int get Id {
+    return id;
+  }
+
+  void set Title(String title) {
+    this.title = title;
+  }
+
+  String get Title {
+    return title;
+  }
+
+  void set Description(String description) {
+    this.description = description;
+  }
+
+  String get Description {
+    return description;
+  }
+
+  Task(
+      {this.id = 1,
+      required this.title,
+      required this.description,
+      this.isCompleted = false});
+}

src/taskList.dart

@@ -0,0 +1,45 @@
+import 'task.dart';
+import 'dart:io';
+
+class TaskList {
+  List<Task> _tasks = [];
+  TaskList(this._tasks);
+  Task operator [](int taskID) {
+    return _tasks[taskID];
+  }
+
+  int get length {
+    return _tasks.length;
+  }
+  //List<Task> get tasks => _tasks;
+
+  void addTask(String title, String description) {
+    _tasks.add(Task(id: _tasks.length, title: title, description: description));
+  }
+
+  @override
+  String toString() {
+    String show = "";
+    for (var task in _tasks) {
+      show += "`````````````````````````````\n";
+      show += "Task ID:${task.id}\n";
+      show += "Task Title:${task.title}\n";
+      show += "Task Description:${task.description}\n";
+      show += "Task Status:${task.isCompleted ? "Done" : "Not Done"}\n";
+      show += "`````````````````````````````\n";
+    }
+    return show;
+  }
+
+  void remove() {
+    try {
+      stdout.write("If you want to remove a task enter its number:");
+      int taskId = int.parse(stdin.readLineSync()!);
+      _tasks.removeWhere((tasks) => tasks.id == taskId);
+      print("Successfuly removed");
+    } catch (e) {
+      print("Invalid ID");
+      return;
+    }
+  }
+}