[ThienDuc3112] iP

docs/README.md

@@ -1,4 +1,4 @@
-# Duke User Guide
+# DBot User Guide
 
 // Update the title above to match the actual product name
 

src/main/java/DBot.java

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+import java.util.*;
+
+public class DBot {
+    private static boolean isOn;
+    private static List<Task> datas;
+
+    public static void main(String[] args) {
+        isOn = true;
+        datas = new ArrayList<>();
+
+        String greeting = "____________________________________________________________\n" +
+                "Hello! I'm DBot\nWhat can I do for you?\n"
+                + "____________________________________________________________\n";
+        System.out.println(greeting);
+
+        Scanner in = new Scanner(System.in);
+
+        while (isOn) {
+            System.out.print("Command: ");
+            String line = in.nextLine().strip();
+            System.out.println("____________________________________________________________");
+
+            if (line.equals("bye")) {
+                System.out.println("Bye. Hope to see you again soon!");
+                isOn = false;
+            } else if (line.equals("list")) {
+                list();
+            } else if (line.startsWith("mark ")) {
+                mark(line);
+            } else if (line.startsWith("unmark ")) {
+                unmark(line);
+            } else if (line.startsWith("todo ")) {
+                todo(line);
+            } else if (line.startsWith("event ")) {
+                event(line);
+            } else if (line.startsWith("deadline ")) {
+                deadline(line);
+            } else {
+                add(line);
+            }
+
+            System.out.println("____________________________________________________________");
+        }
+    }
+
+    private static void add(String line) {
+        datas.add(new Task(line));
+        System.out.print("added: ");
+        System.out.println(line);
+    }
+
+    private static void list() {
+        for (int i = 0; i < datas.size(); i++) {
+            System.out.printf("%d.", i + 1);
+            System.out.println(datas.get(i).toString());
+        }
+    }
+
+    private static void mark(String line) {
+        try {
+            int option = Integer.parseInt(line.substring(line.indexOf(" ") + 1));
+            System.out.println("Nice! I've marked this task as done:");
+            datas.get(option - 1).mark();
+            System.out.println(datas.get(option - 1).toString());
+        } catch (Exception e) {
+            System.out.println("Invalid input");
+        }
+    }
+
+    private static void unmark(String line) {
+        try {
+            int option = Integer.parseInt(line.substring(line.indexOf(" ") + 1));
+            System.out.println("OK, I've marked this task as not done yet:");
+            datas.get(option - 1).unmark();
+            System.out.println(datas.get(option - 1).toString());
+        } catch (Exception e) {
+            System.out.println("Invalid input");
+        }
+    }
+
+    private static void todo(String line) {
+        String todo = line.substring(line.indexOf(" ") + 1).trim();
+        Todo task =new Todo(todo);
+        datas.add(task);
+        System.out.println("Got it. I've added this task:");
+        System.out.println(task);
+        System.out.println("Now you have " + datas.size() + " tasks in the list.");
+    }
+
+    private static void deadline(String line) {
+        String deadlinePrompt = line.substring(line.indexOf(" ") + 1).trim();
+        Hashtable<String, String> arguments = Utilities.getCommandArgument(deadlinePrompt);
+        String deadline = deadlinePrompt.substring(0, deadlinePrompt.indexOf("/")).trim();
+        Deadline task = new Deadline(deadline, arguments.get("by"));
+        datas.add(task);
+        System.out.println("Got it. I've added this task:");
+        System.out.println(task);
+        System.out.println("Now you have " + datas.size() + " tasks in the list.");
+    }
+
+    private static void event(String line) {
+        String eventPrompt = line.substring(line.indexOf(" ") + 1).trim();
+        Hashtable<String, String> argument = Utilities.getCommandArgument(eventPrompt);
+        String event = eventPrompt.substring(0, eventPrompt.indexOf("/")).trim();
+        Event task = new Event(event, argument.get("from"), argument.get("to"));
+        datas.add(task);
+        System.out.println("Got it. I've added this task:");
+        System.out.println(task);
+        System.out.println("Now you have " + datas.size() + " tasks in the list.");
+    }
+}

src/main/java/Deadline.java

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+public class Deadline extends Task {
+    String by;
+    public Deadline(String task, String by) {
+        super(task);
+        this.by = by;
+    }
+    @Override
+    public String toString(){
+        return "[D]" + super.toString() + " (by: " + by + ")";
+    }
+}

src/main/java/Event.java

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+public class Event extends Task {
+    String from;
+    String to;
+    public Event(String task, String from, String to) {
+        super(task);
+        this.from = from;
+        this.to = to;
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + " (from: " + from + " to: " + to + ")";
+    }
+}

src/main/java/Task.java

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+public class Task {
+    protected boolean isDone;
+    protected String task;
+
+    public Task(String task) {
+        this(task, false);
+    }
+    public Task(String task, boolean isDone) {
+        this.task = task.strip();
+        this.isDone = isDone;
+    }
+
+    public String getTask() {
+        return task;
+    }
+
+    public boolean isDone() {
+        return isDone;
+    }
+
+    public void mark(){
+        isDone = true;
+    }
+
+    public void unmark(){
+        isDone = false;
+    }
+
+    public String toString(){
+        return "[" +
+                (isDone ? "X" : " ") +
+                "] " +
+                task;
+    }
+
+}

src/main/java/Todo.java

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+public class Todo extends Task {
+    public Todo(String task) {
+        super(task);
+    }
+
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+}

src/main/java/Utilities.java

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+import java.util.Hashtable;
+
+public class Utilities {
+    public static Hashtable<String, String> getCommandArgument(String line) {
+        Hashtable<String, String> args = new Hashtable<>();
+        String[] commandParams = (line.substring(line.indexOf(" ") + 1).split("(?=/)|(?<=/)"));
+        boolean isArgument = false;
+        for (String s : commandParams) {
+            s = s.trim();
+            if (s.equals("/")) {
+                isArgument = true;
+            } else if (isArgument) {
+                args.put(s.substring(0, s.indexOf(' ')), s.substring(s.indexOf(' ')).trim());
+                isArgument = false;
+            }
+        }
+        return args;
+    }
+}