level-7

Author: raymondge

data/duke.txt.txt

@@ -0,0 +1,4 @@
+T | 1 | read book
+D | 0 | return book | June 6th
+E | 0 | project meeting | Aug 6th 2-4pm
+T | 1 | join sports club

src/main/java/Deadline.java

@@ -2,11 +2,14 @@ public class Deadline extends Task {
 
     protected String by;
 
-    public Deadline(String description, String by) {
-        super(description);
+    public Deadline(String description, boolean isDone, String by) {
+        super(description, isDone);
         this.by = by;
     }
 
+    public String getDate(){
+        return this.by;
+    }
     @Override
     public String toString() {
         return "[D]" + super.toString() + " (by: " + by + ")";

src/main/java/Duke.java

@@ -1,11 +1,14 @@
+import java.io.FileNotFoundException;
 import java.util.Scanner;
 import java.util.ArrayList;
+import java.io.IOException;
+
 
 public class Duke {
-    public static void main(String[] args) {
+    public void run() throws IOException {
         Scanner sc = new Scanner(System.in);
         System.out.println("Hello! I'm Duke\n"+"What can I do for you?");
-        ArrayList<Task> listOfItems = new ArrayList<Task>();
+        ArrayList<Task> listOfItems = FileReader.loadTaskFromFile();
         String echo= sc.nextLine();
         while(!echo.equals("bye")) {
             try {
@@ -34,7 +37,7 @@ else if (tempArray[0].equals("done")) {
                         if(tempArray.length == 1) {
                             throw new InvalidTodoException();
                         }
-                        Todo newTodo = new Todo(echo.substring(5));
+                        Todo newTodo = new Todo(echo.substring(5), false);
                         listOfItems.add(newTodo);
                         System.out.println("Got it. I've added this task:\n" + newTodo.toString() +
                                 "\nNow you have " + listOfItems.size() + " tasks in total");
@@ -45,7 +48,7 @@ else if (tempArray[0].equals("deadline")) {
                             throw new InvalidDeadlineException();
                         }
                         String[] tempString = echo.substring(9).split(" /by");
-                        Deadline newDeadline = new Deadline(tempString[0], tempString[1]);
+                        Deadline newDeadline = new Deadline(tempString[0], false, tempString[1]);
                         listOfItems.add(newDeadline);
                         System.out.println("Got it. I've added this task:\n" + newDeadline.toString()
                                 + "\nNow you have " + listOfItems.size() + " tasks in total");
@@ -56,7 +59,7 @@ else if (tempArray[0].equals("event")) {
                             throw new InvalidEventException();
                         }
                         String[] tempString = echo.substring(7).split(" /at");
-                        Event newEvent = new Event(tempString[0], tempString[1]);
+                        Event newEvent = new Event(tempString[0], false,  tempString[1]);
                         listOfItems.add(newEvent);
                         System.out.println("Got it. I've added this task:\n" + newEvent.toString()
                                 + "\nNow you have " + listOfItems.size() + " tasks in total");
@@ -71,6 +74,16 @@ else if (tempArray[0].equals("event")) {
             }
             echo = sc.nextLine();
         }
+        FileReader.writeToFile(listOfItems);
         System.out.println("Bye. Hope to see you again soon!");
     }
+
+    public static void main(String[] args){
+        try {
+            Duke duke = new Duke();
+            duke.run();
+        } catch (IOException e){
+            System.out.println(e);
+        }
+    }
 }

src/main/java/Event.java

@@ -2,11 +2,13 @@ public class Event extends Task {
 
     protected String at;
 
-    public Event(String description, String at) {
-        super(description);
+    public Event(String description, boolean isDone, String at) {
+        super(description, isDone);
         this.at = at;
     }
-
+    public String getTime(){
+        return this.at;
+    }
     @Override
     public String toString() {
         return "[E]" + super.toString() + " (at: " + at + ")";

src/main/java/FileReader.java

@@ -0,0 +1,64 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+import java.io.File;
+import java.io.IOException;
+import java.io.FileWriter;
+
+public class FileReader {
+
+    public static ArrayList<Task> loadTaskFromFile() throws IOException {
+        File f = new File("data/duke.txt");
+        f.createNewFile();
+        Scanner sc = new Scanner(f);
+        ArrayList<Task> listOfTask = new ArrayList<>();
+        while (sc.hasNext()) {
+            String[] task = sc.nextLine().split("|");
+            String type = task[0];
+            boolean isDone = Integer.parseInt(task[1]) == 1;
+            String description = task[2];
+
+            if(type.equals("T")) {
+                listOfTask.add(new Todo(description, isDone));
+            }
+
+            if(type.equals("D")) {
+                String date = task[3];
+                listOfTask.add(new Deadline(description, isDone, date));
+            }
+
+            if(type.equals("E")) {
+                String time = task[3];
+                listOfTask.add(new Event(description, isDone, time));
+            }
+        }
+
+        return listOfTask;
+    }
+
+    public static void writeToFile(ArrayList<Task> taskList) throws IOException {
+        FileWriter fw = new FileWriter("data/duke.txt");
+        String stringToAppend = "";
+
+        for (Task currentTask : taskList) {
+            String currentLine = "";
+            String isTaskDone = currentTask.checkDone() ? "1" : "0";
+            String description = currentTask.getDescription();
+            if (currentTask instanceof Todo) {
+                currentLine += "T" + "|" + isTaskDone + "|" + description;
+            }
+
+            if (currentTask instanceof Deadline) {
+                currentLine += "D" + isTaskDone + "|" + description + "|" + ((Deadline) currentTask).getDate();
+            }
+
+            if (currentTask instanceof Event) {
+                currentLine += "E" + isTaskDone + "|" + description + "|" + ((Event) currentTask).getTime();
+            }
+
+            stringToAppend += currentLine + "\n";
+
+        }
+        fw.write(stringToAppend);
+        fw.close();
+    }
+}

src/main/java/Task.java

@@ -7,10 +7,23 @@ public Task(String description) {
         this.isDone = false;
     }
 
+    public Task(String description, boolean isDone) {
+        this.description = description;
+        this.isDone = isDone;
+    }
+
     public String getStatusIcon() {
         return (isDone ? "\u2713" : "\u2718"); //return tick or X symbols
     }
 
+    public String getDescription(){
+        return this.description;
+    }
+
+    public boolean checkDone(){
+        return this.isDone;
+    }
+
     public void markDone(){
         this.isDone = true;
     }

src/main/java/Todo.java

@@ -1,7 +1,6 @@
 public class Todo extends Task {
-
-    public Todo(String description) {
-        super(description);
+    public Todo(String description, boolean isDone) {
+        super(description, isDone);
     }
 
     @Override