[Gerald Koh Kheng Guan] iP

src/main/java/Deadline.java

@@ -0,0 +1,13 @@
+public class Deadline extends Task {
+
+    protected String by;
+
+    public Deadline(String description, String by) {
+        super(description);
+        this.by = by;
+    }
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + " (by: " + by + ")";
+    }
+}

src/main/java/Duke.java

@@ -1,10 +1,70 @@
+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);
+        Methods.printGreetings();
+
+        Task[] actions = new Task[100];
+        int actionCounter = 0;
+
+        String line;
+        Scanner in = new Scanner(System.in);
+        int taskNumber;
+        String[] decisions;
+        Task toBeAdded;
+        String[] dates;
+        do {
+            line = in.nextLine();
+            decisions = line.split(" ");
+            dates = line.split("/");
+            switch (decisions[0]) {
+                case "echo":
+                    System.out.println(Methods.findTaskDetails(line));
+                    break;
+
+                case "todo":
+                    toBeAdded = new Todo(Methods.findTaskDetails(line));
+                    actions[actionCounter] = toBeAdded;
+                    actionCounter++;
+                    Methods.printAcknowledgement(toBeAdded,actionCounter);
+                    break;
+
+                case "event":
+                    toBeAdded = new Event(Methods.findTaskDetails(dates[0]), Methods.findTaskDetails(dates[1]), Methods.findTaskDetails(dates[2]));
+                    actions[actionCounter] = toBeAdded;
+                    actionCounter++;
+                    Methods.printAcknowledgement(toBeAdded,actionCounter);
+                    break;
+
+                case "deadline":
+                    toBeAdded = new Deadline(Methods.findTaskDetails(dates[0]), Methods.findTaskDetails(dates[1]));
+                    actions[actionCounter] = toBeAdded;
+                    actionCounter++;
+                    Methods.printAcknowledgement(toBeAdded,actionCounter);
+                    break;
+
+                case "mark":
+                    taskNumber = Integer.parseInt(decisions[1]) - 1;
+                    actions[taskNumber].mark();
+                    Methods.printDoneMarkingTasks(actions[taskNumber]);
+                    break;
+
+                case "unmark":
+                    taskNumber = Integer.parseInt(decisions[1]) - 1;
+                    actions[taskNumber].unmark();
+                    Methods.printDoneMarkingTasks(actions[taskNumber]);
+                    break;
+
+                case "list":
+                    if (actionCounter == 0) {
+                        Methods.printEmptyList();
+                        continue;
+                    }
+                    for (int iterator = 0; iterator < actionCounter; iterator++) {
+                        Methods.printListElement(iterator, actions[iterator]);
+                    }
+                    break;
+            }
+        } while (!decisions[0].equals("bye"));
+        System.out.println("That's all from me! Goodbye!");
     }
 }

src/main/java/Event.java

@@ -0,0 +1,17 @@
+public class Event extends Task {
+
+    protected String from;
+    protected String to;
+
+    public Event(String description, String from, String to) {
+        super(description);
+        this.from = from;
+        this.to = to;
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + " (from: " + from + "to: " + to + ")";
+
+    }
+}

src/main/java/Methods.java

@@ -0,0 +1,39 @@
+import java.util.Scanner;
+public class Methods {
+    public static void printGreetings() {
+        String logo = " ____        _        \n"
+                + "|  _ \\ _   _| | _____ \n"
+                + "| | | | | | | |/ / _ \\\n"
+                + "| |_| | |_| |   <  __/\n"
+                + "|____/ \\__,_|_|\\_\\___|\n"
+                + "__________________________\n";
+        System.out.println("Hello from\n" + logo);
+        System.out.println("Hello! Do you need anything from me?\n"
+                + "I have only been trained to greet, echo and list you so far.\n"
+                + "Once my owner is more proficient in what he does, he will give me more functions!\n"
+                + "Key in a number based on the function\n 1)echo \n 2)todo\n 3)mark\n 4)unmark\n 5)deadline\n 6)event\n"
+                + "When you wish to exit, do tell me by typing : bye");
+    }
+    public static void print(String input) {
+        System.out.println(input);
+    }
+
+    public static void printEmptyList() {
+        System.out.println("There is nothing to list!");
+    }
+
+    public static void printListElement(int iterator, Task action) {
+        Methods.print(iterator + 1
+                + ")"
+                + action.toString());
+    }
+    public static void printDoneMarkingTasks(Task action) {
+        Methods.print("Done!\n" + action.toString());
+    }
+    public static String findTaskDetails(String line) {
+        return line.substring(line.indexOf(" ") + 1);
+    }
+    public static void printAcknowledgement(Task action, int actionCounter) {
+        System.out.println("Got it. I've added this task:\n" + action.toString() + System.lineSeparator() + "Now you have " + actionCounter + " tasks in the list.");
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,24 @@
+public class Task {
+    protected String description;
+    protected boolean isDone;
+    public Task(String description) {
+        this.description = description;
+        this.isDone = false;
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "X" : " "); // mark done task with X
+    }
+    public void mark() {
+        this.isDone = true;
+    }
+    public void unmark() {
+        this.isDone = false;
+    }
+    public String getDescription() {
+        return(this.description);
+    }
+    public String toString() {
+        return( "[" + this.getStatusIcon() + "] " + this.getDescription());
+    }
+}

src/main/java/Todo.java

@@ -0,0 +1,12 @@
+public class Todo extends Task {
+    public Todo(String description) {
+        super(description);
+    }
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+
+}
+
+