Branch level 5

src/main/java/META-INF/MANIFEST.MF

@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: duke.Duke
+

src/main/java/duke/Deadline.java

@@ -0,0 +1,15 @@
+package duke;
+
+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/DeadlineException.java

@@ -0,0 +1,4 @@
+package duke;
+
+public class DeadlineException extends Exception {
+}

src/main/java/duke/Duke.java

@@ -0,0 +1,195 @@
+import java.util.Scanner;
+
+public class Duke {
+    static int noOfTasks = 0;
+    static String sectionDivider = "____________________________________________________________";
+    public static boolean invalidInput = false;
+
+    public static void main(String[] args) {
+        Task[] TaskArray = new Task[100];
+        Task newItem = null;
+        String logo = " ____        _        \n"
+                + "|  _ \\ _   _| | _____ \n"
+                + "| | | | | | | |/ / _ \\\n"
+                + "| |_| | |_| |   <  __/\n"
+                + "|____/ \\__,_|_|\\_\\___|\n";
+        System.out.println("Hello from\n" + logo);
+        System.out.println(sectionDivider);
+        System.out.println("Hello! I'm Duke");
+        System.out.println("Please type tasks to do OR (list) to list all the tasks OR (bye) to exit.");
+        Scanner sc= new Scanner(System.in);
+        String userInput;
+
+        userInput = getUserInput(sc);
+
+        // Clean text input, handle errors
+        while (invalidInput) {
+            userInput = getUserInput(sc);
+        }
+
+        while (true) {
+            if (userInput.equals("bye")) {
+                System.out.println(sectionDivider);
+                System.out.println("Bye. Hope to see you again soon!");
+                System.out.println(sectionDivider);
+                break;
+            }
+            if (userInput.equals("list")){
+                System.out.println(sectionDivider);
+                System.out.println("Here are the tasks in your to-do list:");
+                for(int i= 1; i!=noOfTasks+1; i++){
+                    System.out.println(i + "." + TaskArray[i-1].toString());
+                }
+                System.out.println(sectionDivider);
+            }
+            if (userInput.contains("done")){
+                System.out.println(sectionDivider);
+                String[] splitInput = userInput.split(" ");
+                int taskNumber = Integer.parseInt(splitInput[1]);
+                TaskArray[taskNumber-1].markAsDone();
+                System.out.println("Nice! I've marked this task as done: ");
+                System.out.println(taskNumber + ". [" + TaskArray[taskNumber-1].getStatusIcon() + " ]" + TaskArray[taskNumber-1].getDescription());
+                System.out.println(sectionDivider);
+            } else {
+                System.out.println(sectionDivider);
+                String[] splitInput = userInput.split(" ");
+                if (splitInput[0].equals("deadline")) {
+                    int wordsCount = splitInput.length;
+                    String descriptionString = "";
+                    String byString = "";
+                    int byIndex = 0;
+                    for (int i = 1; i != wordsCount; i++) {
+                        if (splitInput[i].equals("/by")) {
+                            byIndex = i + 1;
+                            break;
+                        } else {
+                            descriptionString = descriptionString + splitInput[i] + " ";
+                        }
+                    }
+                    while (byIndex != wordsCount) {
+                        byString = byString + splitInput[byIndex] + " ";
+                        byIndex++;
+                    }
+                    newItem = new Deadline(descriptionString, byString);
+                    TaskArray[noOfTasks] = newItem;
+                    noOfTasks = noOfTasks + 1;
+                    System.out.println("Got it. I've added this task:");
+                    System.out.println(TaskArray[noOfTasks - 1].toString());
+                    System.out.println("Now you have " + noOfTasks + " tasks in the list.");
+                    System.out.println(sectionDivider);
+                }
+                if (splitInput[0].equals("event")) {
+                    int wordsCount = splitInput.length;
+                    String descriptionString = "";
+                    String atString = "";
+                    int atIndex = 0;
+                    for (int i = 1; i != wordsCount; i++) {
+                        if (splitInput[i].equals("/at")) {
+                            atIndex = i + 1;
+                            break;
+                        } else {
+                            descriptionString = descriptionString + splitInput[i] + " ";
+                        }
+                    }
+                    while (atIndex != wordsCount) {
+                        atString = atString + splitInput[atIndex] + " ";
+                        atIndex++;
+                    }
+                    newItem = new Event(descriptionString, atString);
+                    TaskArray[noOfTasks] = newItem;
+                    noOfTasks = noOfTasks + 1;
+                    System.out.println("Got it. I've added this task:");
+                    System.out.println(TaskArray[noOfTasks - 1].toString());
+                    System.out.println("Now you have " + noOfTasks + " tasks in the list.");
+                    System.out.println(sectionDivider);
+                }
+                if (splitInput[0].equals("todo")) {
+                    int wordsCount = splitInput.length;
+                    String descriptionString = "";
+                    for (int i = 1; i != wordsCount; i++) {
+                        descriptionString = descriptionString + splitInput[i] + " ";
+                    }
+                    newItem = new Todo(descriptionString);
+                    TaskArray[noOfTasks] = newItem;
+                    noOfTasks = noOfTasks + 1;
+                    System.out.println("Got it. I've added this task:");
+                    System.out.println(TaskArray[noOfTasks - 1].toString());
+                    System.out.println("Now you have " + noOfTasks + " tasks in the list.");
+                    System.out.println(sectionDivider);
+                }
+            }
+        }
+    }
+    public static String getUserInput(Scanner sc) {
+        String userInput;
+        userInput = sc.nextLine();
+        try {
+            handleErrorUserInputs(userInput);
+        } catch (TaskException e) {
+            invalidInput = true;
+            System.out.println("☹ OOPS!!! The description of a todo cannot be empty.");
+            System.out.println(sectionDivider);
+        } catch (EventException e) {
+            invalidInput = true;
+            System.out.println("☹ OOPS!!! The description of an event cannot be empty or is incomplete (/at).");
+            System.out.println(sectionDivider);
+        } catch (DeadlineException e) {
+            invalidInput = true;
+            System.out.println("☹ OOPS!!! The description of a deadline cannot be empty or is incomplete (/by).");
+            System.out.println(sectionDivider);
+        }
+        return userInput;
+    }
+    public static void handleErrorUserInputs(String userInput) throws TaskException, EventException, DeadlineException {
+        userInput = userInput.toLowerCase().trim();
+
+        // check if todo description is empty
+        if (userInput.contains("todo") && !(userInput.contains("event")) && !(userInput.contains("deadline"))) {
+            validateTodo(userInput);
+            // check if event description is empty
+        } else if (userInput.contains("event") && !(userInput.contains("todo")) && !(userInput.contains("deadline"))) {
+            validateEvent(userInput);
+            // check if deadline description is empty
+        } else if (userInput.contains("deadline") && !(userInput.contains("todo")) && !(userInput.contains("event"))) {
+            validateDeadline(userInput);
+            // check if keyword were used in userInput
+        } else if (userInput.contains("list")
+                || userInput.contains("bye")
+                || userInput.contains("done")
+                || userInput.contains("delete")) {
+            invalidInput = false;
+            // incorrect input
+        } else {
+            invalidInput = true;
+            System.out.println("☹ OOPS!!! I'm sorry, but I don't know what that means :-(");
+            System.out.println(sectionDivider);
+        }
+    }
+    public static void validateDeadline(String userInput) throws DeadlineException {
+        if (userInput.substring(9 - 1).trim().isEmpty()
+                || !(userInput.contains("/by"))
+                || userInput.substring(userInput.indexOf("/by") + 3).trim().isEmpty() ) {
+            throw new DeadlineException();
+        } else {
+            invalidInput = false;
+        }
+    }
+
+    public static void validateEvent(String userInput) throws EventException {
+        if (userInput.substring(6 - 1).trim().isEmpty()
+                || !(userInput.contains("/at"))
+                || userInput.substring(userInput.indexOf("/at") + 3).trim().isEmpty()) {
+            throw new EventException();
+        } else {
+            invalidInput = false;
+        }
+    }
+
+    public static void validateTodo(String userInput) throws TaskException {
+        if (userInput.substring(5 - 1).trim().isEmpty()) {
+            throw new TaskException();
+        } else {
+            invalidInput = false;
+        }
+    }
+}

src/main/java/duke/Event.java

@@ -0,0 +1,15 @@
+package duke;
+
+public class Event extends Task{
+    protected String at;
+
+    public Event(String description, String at) {
+        super(description);
+        this.at = at;
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + " (at: " + at + ")";
+    }
+}

src/main/java/duke/EventException.java

@@ -0,0 +1,4 @@
+package duke;
+
+public class EventException extends Exception{
+}

src/main/java/duke/Task.java

@@ -0,0 +1,28 @@
+package duke;
+
+public class Task {
+    protected String description;
+    protected boolean isDone;
+
+    public Task(String description) {
+        this.description = description;
+        this.isDone = false;
+    }
+
+    public String getDescription() {
+        return (this.description);
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "X" : " "); // mark done task with X
+    }
+
+    public void markAsDone(){
+        this.isDone = true;
+    }
+
+    public String toString(){
+        return "[" + getStatusIcon() + "] " + this.description;
+    }
+
+}

src/main/java/duke/TaskException.java

@@ -0,0 +1,4 @@
+package duke;
+
+public class TaskException extends Exception {
+}

src/main/java/duke/Todo.java

@@ -0,0 +1,19 @@
+package duke;
+
+public class Todo extends Task{
+     public Todo(String description) {
+         super(description);
+    }
+
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+    public boolean isDescriptionEmpty(String s){
+        if (s.isEmpty()){
+            System.out.println("OOPS!!! The description of a todo cannot be empty.");
+            return true;
+        }
+        return false;
+    }
+}

text-ui-test/EXPECTED.TXT

@@ -5,3 +5,60 @@ Hello from
 | |_| | |_| |   <  __/
 |____/ \__,_|_|\_\___|
 
+____________________________________________________________
+Hello! I'm Duke
+Please type tasks to do OR (list) to list all the tasks OR (bye) to exit.
+____________________________________________________________
+Got it. I've added this task:
+[T][ ] laundry
+Now you have 1 tasks in the list.
+____________________________________________________________
+____________________________________________________________
+Got it. I've added this task:
+[T][ ] borrow book
+Now you have 2 tasks in the list.
+____________________________________________________________
+____________________________________________________________
+Got it. I've added this task:
+[D][ ] return book  (by: Sunday )
+Now you have 3 tasks in the list.
+____________________________________________________________
+____________________________________________________________
+Got it. I've added this task:
+[E][ ] project meeting  (at: Mon 2-4pm )
+Now you have 4 tasks in the list.
+____________________________________________________________
+____________________________________________________________
+Got it. I've added this task:
+[D][ ] do homework  (by: no idea :-p )
+Now you have 5 tasks in the list.
+____________________________________________________________
+____________________________________________________________
+Here are the tasks in your to-do list:
+1.[T][ ] laundry
+2.[T][ ] borrow book
+3.[D][ ] return book  (by: Sunday )
+4.[E][ ] project meeting  (at: Mon 2-4pm )
+5.[D][ ] do homework  (by: no idea :-p )
+____________________________________________________________
+____________________________________________________________
+____________________________________________________________
+Nice! I've marked this task as done:
+2. [X ]borrow book
+____________________________________________________________
+____________________________________________________________
+Nice! I've marked this task as done:
+1. [X ]laundry
+____________________________________________________________
+____________________________________________________________
+Here are the tasks in your to-do list:
+1.[T][X] laundry
+2.[T][X] borrow book
+3.[D][ ] return book  (by: Sunday )
+4.[E][ ] project meeting  (at: Mon 2-4pm )
+5.[D][ ] do homework  (by: no idea :-p )
+____________________________________________________________
+____________________________________________________________
+____________________________________________________________
+Bye. Hope to see you again soon!
+____________________________________________________________

text-ui-test/input.txt

@@ -0,0 +1,10 @@
+todo laundry
+todo borrow book
+deadline return book /by Sunday
+event project meeting /at Mon 2-4pm
+deadline do homework /by no idea :-p
+list
+done 2
+done 1
+list
+bye