[Han Jiyao] iP

src/main/java/Deadline.java

@@ -0,0 +1,26 @@
+public class Deadline extends Task{
+    protected String by;
+    public Deadline(String task, String by) {
+        super(task.trim());
+        this.by = by.trim();
+    }
+
+    public Deadline(String task, boolean done) {
+        super(task, done);
+    }
+
+    @Override
+    public Deadline mark() {
+        return new Deadline(task, true);
+    }
+
+    @Override
+    public Deadline unmark() {
+        return new Deadline(task, false);
+    }
+
+    @Override
+    public String toString() {
+        return "["+Type.D+"]" + super.toString() + " (by: " + by + ")";
+    }
+}

src/main/java/Duke.java

@@ -1,10 +1,146 @@
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Scanner;
+
 public class Duke {
     public static void main(String[] args) {
         String logo = " ____        _        \n"
                 + "|  _ \\ _   _| | _____ \n"
                 + "| | | | | | | |/ / _ \\\n"
                 + "| |_| | |_| |   <  __/\n"
-                + "|____/ \\__,_|_|\\_\\___|\n";
-        System.out.println("Hello from\n" + logo);
+                + "|____/ \\__,_|_|\\_\\___|";
+        System.out.println(logo);
+
+        System.out.println(output("Hello! I'm Duke by A0221330A.\n    What can I do for you?"));
+
+        ArrayList<Task> list = new ArrayList<>();
+
+        boolean exit = false;
+        while (!exit) {
+            Scanner sc = new Scanner(System.in);
+            while (sc.hasNextLine()) {
+                List<String> input = Arrays.asList(sc.nextLine().split(" "));
+                switch (input.get(0)) {
+                    case "bye":
+                        System.out.println(output("Bye. Hope to see you again soon!"));
+                        exit = true;
+                        break;
+                    case "list":
+                        StringBuilder text = new StringBuilder();
+                        text.append("Here are the tasks in your list:\n");
+                        for (int i = 0; i < list.size(); i++) {
+                            text.append("    ").append(i + 1).append(". ")
+                                    .append(list.get(i))
+                                    .append("\n");
+                        }
+                        text.delete(text.length() - 1, text.length());
+                        System.out.println(output(text.toString()));
+                        break;
+                    case "mark":
+                        try {
+                            int markIndex = Integer.parseInt(input.get(1)) - 1;
+                            list.set(markIndex, list.get(markIndex).mark());
+                            System.out.println(output("Nice! I've marked this task as done:\n        "
+                                    + list.get(markIndex)));
+                        } catch (IndexOutOfBoundsException | NumberFormatException ex) {
+                            DukeException exception = new DukeException("☹ OOPS!!! invalid index.");
+                            System.out.println(output(exception.toString()));
+                        }
+                        break;
+                    case "unmark":
+                        try {
+                            int unmarkIndex = Integer.parseInt(input.get(1)) - 1;
+                            list.set(unmarkIndex, list.get(unmarkIndex).unmark());
+                            System.out.println(output("OK, I've marked this task as not done yet:\n        "
+                                    + list.get(unmarkIndex)));
+                        } catch (IndexOutOfBoundsException | NumberFormatException ex) {
+                            DukeException exception = new DukeException("☹ OOPS!!! invalid index.");
+                            System.out.println(output(exception.toString()));
+                        }
+                        break;
+                    case "todo":
+                        StringBuilder todo = new StringBuilder();
+                        if (input.size() == 1) {
+                            DukeException exception = new DukeException("☹ OOPS!!! The description of a todo cannot be empty.");
+                            System.out.println(output(exception.toString()));
+                        } else {
+                            for (int i = 1; i < input.size(); i++) {
+                                todo.append(input.get(i)).append(" ");
+                            }
+                            list.add(new ToDo(todo.toString()));
+                            System.out.println(output("Got it. I've added this task: \n        "
+                                    + list.get(list.size() - 1) + "\n    Now you have " + list.size() + " tasks in the list."));
+                        }
+                        break;
+
+                    case "deadline":
+                        StringBuilder deadline = new StringBuilder();
+                        StringBuilder deadlineBy = new StringBuilder();
+                        int byIndex = input.indexOf("/by");
+                        if (input.size() == 1) {
+                            DukeException exception = new DukeException("☹ OOPS!!! The description of a deadline cannot be empty.");
+                            System.out.println(output(exception.toString()));
+                        } else if (byIndex == -1) {
+                            DukeException exception = new DukeException("☹ OOPS!!! The datetime of a deadline cannot be empty.");
+                            System.out.println(output(exception.toString()));
+                        } else {
+                            for (int i = 1; i < byIndex; i++) {
+                                deadline.append(input.get(i)).append(" ");
+                            }
+                            for (int i = byIndex + 1; i < input.size(); i++) {
+                                deadlineBy.append(input.get(i)).append(" ");
+                            }
+                            list.add(new Deadline(deadline.toString(), deadlineBy.toString()));
+                            System.out.println(output("Got it. I've added this task: \n        "
+                                    + list.get(list.size() - 1) + "\n    Now you have " + list.size() + " tasks in the list."));
+                        }
+                        break;
+                    case "event":
+                        int atIndex = input.indexOf("/at");
+                        if (input.size() == 1) {
+                            DukeException exception = new DukeException("☹ OOPS!!! The description of a event cannot be empty.");
+                            System.out.println(output(exception.toString()));
+                        } else if (atIndex == -1) {
+                            DukeException exception = new DukeException("☹ OOPS!!! The datetime of a event cannot be empty.");
+                            System.out.println(output(exception.toString()));
+                        } else {
+                            StringBuilder event = new StringBuilder();
+                            for (int i = 1; i < atIndex; i++) {
+                                event.append(input.get(i)).append(" ");
+                            }
+                            StringBuilder eventAt = new StringBuilder();
+                            for (int i = atIndex + 1; i < input.size(); i++) {
+                                eventAt.append(input.get(i)).append(" ");
+                            }
+                            list.add(new Event(event.toString(), eventAt.toString()));
+                            System.out.println(output("Got it. I've added this task: \n        "
+                                    + list.get(list.size() - 1) + "\n    Now you have " + list.size() + " tasks in the list."));
+                        }
+                        break;
+                    case "delete":
+                        try {
+                            int deleteIndex = Integer.parseInt(input.get(1)) - 1;
+                            Task delete = list.get(deleteIndex);
+                            list.remove(deleteIndex);
+                            System.out.println(output("Noted. I've removed this task: \n        "
+                                    + delete + "\n    Now you have " + list.size() + " tasks in the list."));
+                        } catch (IndexOutOfBoundsException | NumberFormatException ex) {
+                            DukeException exception = new DukeException("☹ OOPS!!! invalid index.");
+                            System.out.println(output(exception.toString()));
+                        }
+                        break;
+                    default:
+                        DukeException exception = new DukeException("☹ OOPS!!! I'm sorry, but I don't know what that means :-(");
+                        System.out.println(output(exception.toString()));
+                        break;
+                }
+            }
+        }
+    }
+
+    public static String output(String text) {
+        String line = "    ____________________________________________________________";
+        return line + "\n    " + text + "\n" + line;
     }
 }

src/main/java/DukeException.java

@@ -0,0 +1,10 @@
+public class DukeException extends Exception {
+    public DukeException(String errMsg) {
+        super(errMsg);
+    }
+
+    @Override
+    public String toString() {
+        return super.getMessage();
+    }
+}

src/main/java/Event.java

@@ -0,0 +1,26 @@
+public class Event extends Task{
+    protected String at;
+    public Event(String task, String at) {
+        super(task.trim());
+        this.at = at.trim();
+    }
+
+    public Event(String task, boolean done) {
+        super(task, done);
+    }
+
+    @Override
+    public Event mark() {
+        return new Event(task, true);
+    }
+
+    @Override
+    public Event unmark() {
+        return new Event(task, false);
+    }
+
+    @Override
+    public String toString() {
+        return "["+Type.E+"]" + super.toString() + " (at: " + at + ")";
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,27 @@
+public class Task {
+    protected String task;
+    protected boolean done;
+
+    public Task(String task) {
+        this.task = task;
+        this.done = false;
+    }
+
+    public Task(String task, boolean done) {
+        this.task = task;
+        this.done = done;
+    }
+
+    public Task mark() {
+        return new Task(task, true);
+    }
+
+    public Task unmark() {
+        return new Task(task, false);
+    }
+
+    @Override
+    public String toString() {
+        return done? "[✓] " + task: "[ ] " + task;
+    }
+}

src/main/java/ToDo.java

@@ -0,0 +1,24 @@
+public class ToDo extends Task{
+    public ToDo(String task) {
+        super(task.trim());
+    }
+
+    public ToDo(String task, boolean done) {
+        super(task, done);
+    }
+
+    @Override
+    public ToDo mark() {
+        return new ToDo(task, true);
+    }
+
+    @Override
+    public ToDo unmark() {
+        return new ToDo(task, false);
+    }
+
+    @Override
+    public String toString() {
+        return "["+Type.T+"]" + super.toString();
+    }
+}

src/main/java/Type.java

@@ -0,0 +1,3 @@
+public enum Type {
+    T, D, E
+}

text-ui-test/EXPECTED.TXT

@@ -1,7 +1,63 @@
-Hello from
- ____        _        
-|  _ \ _   _| | _____ 
+ ____        _
+|  _ \ _   _| | _____
 | | | | | | | |/ / _ \
 | |_| | |_| |   <  __/
 |____/ \__,_|_|\_\___|
-
+    ____________________________________________________________
+    Hello! I'm Duke by A0221330A.
+    What can I do for you?
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [T][ ] read book
+    Now you have 1 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [D][ ] return book (by: June 6th)
+    Now you have 2 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [E][ ] project meeting (at: Aug 6th 2-4pm)
+    Now you have 3 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [T][ ] join sports club
+    Now you have 4 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Nice! I've marked this task as done:
+        [T][✓] read book
+    ____________________________________________________________
+    ____________________________________________________________
+    Nice! I've marked this task as done:
+        [T][✓] join sports club
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [T][ ] borrow book
+    Now you have 5 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Here are the tasks in your list:
+    1. [T][✓] read book
+    2. [D][ ] return book (by: June 6th)
+    3. [E][ ] project meeting (at: Aug 6th 2-4pm)
+    4. [T][✓] join sports club
+    5. [T][ ] borrow book
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [D][ ] return book (by: Sunday)
+    Now you have 6 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Got it. I've added this task:
+        [E][ ] project meeting (at: Mon 2-4 pm)
+    Now you have 7 tasks in the list.
+    ____________________________________________________________
+    ____________________________________________________________
+    Bye. Hope to see you again soon!
+    ____________________________________________________________

text-ui-test/input.txt

@@ -0,0 +1,11 @@
+todo read book
+deadline return book /by June 6th
+event project meeting /at Aug 6th 2-4pm
+todo join sports club
+mark 1
+mark 4
+todo borrow book
+list
+deadline return book /by Sunday
+event project meeting /at Mon 2-4 pm
+bye