Merge branch 'branch-Level-7'

src/main/data/duke.txt

@@ -0,0 +1,7 @@
+T true read book
+D false return book/June 6th
+D false project meeting/Aug 6th 2-4pm
+T true join sports club
+T true dance
+D false get food/tmr
+E true dance party/my place

src/main/java/Deadline.java

@@ -6,6 +6,16 @@ public Deadline(String desc, String by) {
         this.by = by;
     }
 
+    public Deadline(String desc, String by, boolean isDone){
+        super(desc, isDone);
+        this.by = by;
+    }
+
+    @Override
+    public String writeFormat(){
+        return "D " + isDone + " " + description + "/" + by;
+    }
+
     @Override
     public String toString(){
         return "[D]" + super.getTask() + " (by: " + by + ")";

src/main/java/Duke.java

@@ -1,8 +1,50 @@
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.util.Scanner;
 import java.util.ArrayList;
+import java.io.File;
+import java.io.FileWriter;
 
 public class Duke {
 
+    private static void loadData(String filePath, ArrayList<Task> list) throws FileNotFoundException {
+        File f = new File(filePath);
+        //System.out.println(f.getAbsolutePath());
+        Scanner sc = new Scanner(f);
+        while (sc.hasNext()){
+            String type = sc.next();
+            switch(type){
+                case "T":
+                    boolean done = sc.nextBoolean();
+                    String taskName = sc.nextLine().trim();
+                    list.add(new Task(taskName, done));
+                    break;
+                case "D":
+                    done = sc.nextBoolean();
+                    taskName = sc.nextLine().trim();
+                    String[] userWords = taskName.split("/");
+                    list.add(new Deadline(userWords[0], userWords[1], done));
+                    break;
+                case "E":
+                    done = sc.nextBoolean();
+                    taskName = sc.nextLine().trim();
+                    userWords = taskName.split("/");
+                    list.add(new Event(userWords[0], userWords[1], done));
+                    break;
+            }
+        }
+    }
+
+    private static void saveData(String filePath, ArrayList<Task> list) throws IOException {
+        FileWriter fw = new FileWriter(filePath);
+        String data = "";
+        for (Task t : list){
+            data += t.writeFormat() + "\n";
+        }
+        fw.write(data);
+        fw.close();
+    }
+
     public static void main(String[] args) {
         String logo = " ____        _        \n"
                 + "|  _ \\ _   _| | _____ \n"
@@ -13,8 +55,14 @@ public static void main(String[] args) {
         final String lineSpace = "_______________________________\n";
         String startMessage = lineSpace + "Hello! I'm Duke\nWhat can I do for you?\n" + lineSpace;
         System.out.println(startMessage);
-        Scanner sc = new Scanner(System.in);
         ArrayList<Task> list = new ArrayList();
+        final String filePath = "src/main/data/duke.txt";
+        try{
+            loadData(filePath, list);
+        }catch(FileNotFoundException e){
+            System.out.println("File not found");
+        }
+        Scanner sc = new Scanner(System.in);
         String taskName;
         Task task;
         while (sc.hasNext()) {
@@ -42,6 +90,7 @@ public static void main(String[] args) {
                         list.add(task);
                         System.out.println(lineSpace + "Got it. I've added this task:\n" + task
                                 + "\nNow you have " + list.size() + " tasks in the list.\n" + lineSpace);
+                        saveData(filePath, list);
                         break;
                     case "deadline":
                         taskName = sc.nextLine().trim();
@@ -56,7 +105,7 @@ public static void main(String[] args) {
                         list.add(task);
                         System.out.println(lineSpace + "Got it. I've added this task:\n" + task
                                 + "\nNow you have " + list.size() + " tasks in the list.\n" + lineSpace);
-
+                        saveData(filePath, list);
                         break;
                     case "event":
                         taskName = sc.nextLine().trim();
@@ -71,6 +120,7 @@ public static void main(String[] args) {
                         list.add(task);
                         System.out.println(lineSpace + "Got it. I've added this task:\n" + task
                                 + "\nNow you have " + list.size() + " tasks in the list.\n" + lineSpace);
+                        saveData(filePath, list);
                         break;
                     case "delete":
                         int deletion = sc.nextInt();
@@ -81,6 +131,7 @@ public static void main(String[] args) {
                         list.remove(deletion-1);
                         System.out.println(lineSpace + "Noted. I've removed this task:\n" + temp
                                 + "\nNow you have " + list.size() + " tasks in the list.\n" + lineSpace);
+                        saveData(filePath, list);
                         break;
                     case "done":
                         int taskNo = sc.nextInt();
@@ -90,6 +141,7 @@ public static void main(String[] args) {
                         list.get(taskNo - 1).markAsDone();
                         System.out.println(lineSpace + "Nice! I've marked this task as done:\n"
                                 + list.get(taskNo - 1) + "\n" + lineSpace);
+                        saveData(filePath, list);
                         break;
                     default:
                         throw new DukeException("☹ OOPS!!! I'm sorry, but I don't know what that means :-(");

src/main/java/Event.java

@@ -7,6 +7,16 @@ public Event(String desc, String at) {
         this.at = at;
     }
 
+    public Event(String desc, String at, boolean isDone) {
+        super(desc, isDone);
+        this.at = at;
+    }
+
+    @Override
+    public String writeFormat(){
+        return "E " + isDone + " " + description + "/" + at;
+    }
+
     @Override
     public String toString(){
         return "[E]" + super.getTask() + " (at: " + at + ")";

src/main/java/Task.java

@@ -7,6 +7,11 @@ public Task(String desc) {
         this.isDone = false;
     }
 
+    public Task(String desc, boolean isDone){
+        this.description = desc;
+        this.isDone = isDone;
+    }
+
     public String getStatusIcon() {
         return (isDone ? "\u2713" : "\u2718"); //return tick or X symbols
     }
@@ -20,6 +25,10 @@ public String getTask(){
         return output;
     }
 
+    public String writeFormat(){
+        return "T " + isDone + " " + description;
+    }
+
     @Override
     public String toString(){
         return "[T]" + getTask();