[Luah Jun Yang} iP

src/main/java/Deadline.java

@@ -0,0 +1,17 @@
+public class Deadline extends Task {
+    String deadline;
+
+    //Constructor
+    public Deadline(String name, String deadline) {
+        super(name);
+        this.isCompleted = false;
+        this.deadline = deadline;
+    }
+
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + "(" + this.deadline + ")";
+    }
+}
+
+

src/main/java/Event.java

@@ -0,0 +1,16 @@
+public class Event extends Task{
+    String startTime;
+    String endTime;
+
+    public Event(String name, String startTime, String endTime) {
+        this.task_name = name;
+        this.startTime = startTime;
+        this.endTime = endTime;
+        this.isCompleted = false;
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + "(" + this.startTime + this.endTime + ")";
+    }
+}

src/main/java/Frenchie.java

@@ -0,0 +1,144 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Frenchie {
+    public ArrayList<Task> tasks;
+
+    //constructor
+    public Frenchie() {
+        this.tasks = new ArrayList<>();
+    }
+
+    public void addTask(Task NEW_TASK) {
+        tasks.add(NEW_TASK);
+    }
+
+    public void listTasks() {
+        int counter = 1;
+        for (Task task : tasks) {
+            System.out.println(counter + ". " + task.toString());
+            counter += 1;
+        }
+    }
+
+    public void completeTask(int index) {
+        tasks.get(index).mark_as_completed();
+    }
+
+    public void uncompleteTask(int index) {
+        tasks.get(index).mark_as_incomplete();
+    }
+
+    public int getNumOfTasks() {
+        return this.tasks.size();
+    }
+
+    public void deleteTask(int index) {
+        tasks.remove(index);
+    }
+    public static void main(String[] args) {
+        /*String logo = " ____        _        \n"
+                + "|  _ \\ _   _| | _____ \n"
+                + "| | | | | | | |/ / _ \\\n"
+                + "| |_| | |_| |   <  __/\n"
+                + "|____/ \\__,_|_|\\_\\___|\n";
+        System.out.println("Hello from\n" + logo); */
+        Frenchie frenchie = new Frenchie();
+        String skeleton = "____________________________________________________________\n" +
+                " Hello! I'm Frenchie\n" +
+                " What can I do for you?\n" +
+                "____________________________________________________________"
+                /* " Bye. Hope to see you again soon!\n" +
+                "____________________________________________________________\n" */;
+        System.out.println(skeleton);
+
+        Scanner scanner = new Scanner(System.in);
+        while (true) {
+            String input = scanner.nextLine();
+            try {
+                if (input.equals("bye")) {
+                    System.out.println("____________________________________________________________\n" +
+                            " Bye. Hope to see you again soon!\n" +
+                            "____________________________________________________________");
+                    break;
+                } else if (input.equals("list")) { //Checking if user is looking to list all tasks
+                    frenchie.listTasks();
+                } else if (input.contains("mark")) { //Checking if user input is to mark/unmark tasks
+                    String[] parts = input.split(" ");
+                    int index = Integer.parseInt(parts[1]) - 1;
+                    Task target_task = frenchie.tasks.get(index);
+                    //Checking if user is looking to mark task as done or incomplete
+                    if (parts[0].equals("mark")) {
+                        frenchie.completeTask(index);
+                        System.out.println("____________________________________________________________\n" +
+                                " Nice! I've marked this task as done: \n" +
+                                target_task.toString() + "\n" +
+                                "____________________________________________________________");
+                    } else {
+                        frenchie.uncompleteTask(index);
+                        System.out.println("____________________________________________________________\n" +
+                                " OK, I've marked this task as not done yet: \n" +
+                                target_task.toString() + "\n" +
+                                "____________________________________________________________");
+                    }
+                } else if (input.contains("delete")){
+                    String[] parts = input.split(" ");
+                    int index = Integer.parseInt(parts[1]) - 1;
+                    Task target_task = frenchie.tasks.get(index);
+                    frenchie.deleteTask(index);
+                    System.out.println("____________________________________________________________\n" +
+                            "Noted. I've removed this task: \n" +
+                            target_task.toString()   + "\n" +
+                            "Now you have " + frenchie.getNumOfTasks() + " tasks in the list.\n" +
+                            "____________________________________________________________");
+                } else if (input.contains("event") || input.contains("todo") || input.contains("deadline")) {
+                    String[] parts = input.split(" ");
+                    String taskType = parts[0];
+                    if (parts.length <= 1) {
+                        throw new FrenchieException("____________________________________________________________\n" +
+                                "OOPS!!! The description of a " + taskType + " cannot be empty.\n" +
+                                "____________________________________________________________");
+                    } else {
+                        if (taskType.equals("todo")) {
+                            String taskName = input.split("todo")[1];
+                            ToDo currentTask = new ToDo(taskName);
+                            frenchie.addTask(currentTask);
+                            System.out.println("____________________________________________________________\n" +
+                                    " Got it! I've added this task: \n" +
+                                    currentTask + "\n" +
+                                    "Now you have " + frenchie.getNumOfTasks() + " tasks in the list.\n" +
+                                    "____________________________________________________________");
+                        } else if (taskType.equals("deadline")) {
+                            String taskName = input.split("/")[0].split("deadline")[1].trim();
+                            String deadline = input.split("/")[1].replace("by ", "by: ");
+                            Deadline currentTask = new Deadline(taskName, deadline);
+                            frenchie.addTask(currentTask);
+                            System.out.println("____________________________________________________________\n" +
+                                    " Got it! I've added this task: \n" +
+                                    currentTask + "\n" +
+                                    "Now you have " + frenchie.getNumOfTasks() + " tasks in the list.\n" +
+                                    "____________________________________________________________");
+                        } else {
+                            String taskName = input.split("/")[0].split("event")[1].trim();
+                            String startTime = input.split("/")[1].replace("from ", "from: ");
+                            String endTime = input.split("/")[2].replace("to ", "to: ");
+                            Event currentTask = new Event(taskName, startTime, endTime);
+                            frenchie.addTask(currentTask);
+                            System.out.println("____________________________________________________________\n" +
+                                    " Got it! I've added this task: \n" +
+                                    currentTask + "\n" +
+                                    "Now you have " + frenchie.getNumOfTasks() + " tasks in the list.\n" +
+                                    "____________________________________________________________");
+                        }
+                        }
+                    } else {
+                        throw new FrenchieException("____________________________________________________________\n" +
+                                "OOPS!!! I'm sorry but I don't know what that means! :-(\n" +
+                                "____________________________________________________________");
+                    }
+                } catch (FrenchieException e) {
+                    System.err.println(e.getMessage());
+                }
+            }
+        }
+    }

src/main/java/FrenchieException.java

@@ -0,0 +1,5 @@
+public class FrenchieException extends Exception{
+    public FrenchieException(String message) {
+        super(message);
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,29 @@
+public class Task {
+    public boolean isCompleted;
+    public String task_name;
+
+    public Task() {
+        isCompleted = false;
+    }
+    //Constructor
+    public Task(String name) {
+        this.task_name = name;
+        isCompleted = false;
+    }
+
+    public void mark_as_completed() {
+        isCompleted = true;
+    }
+
+    public void mark_as_incomplete() {
+        isCompleted = false;
+    }
+    @Override
+    public String toString() {
+        String indicator = " ";
+        if(isCompleted) {
+            indicator = "X";
+        }
+        return "[" + indicator + "] " + task_name;
+    }
+}

src/main/java/ToDo.java

@@ -0,0 +1,11 @@
+class ToDo extends Task {
+
+    ToDo(String name) {
+        this.task_name = name;
+        this.isCompleted = false;
+    }
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+}