[Lin Weilin] iP

src/main/java/Deadline.java

@@ -0,0 +1,28 @@
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+public class Deadline extends Task{
+
+    String taskDescription;
+    LocalDate deadLine;
+
+    public Deadline(String taskString, LocalDate deadline) {
+        super (taskString.substring(9, taskString.indexOf("/") - 1));
+
+        taskDescription = taskString.substring(9, taskString.indexOf("/") - 1);
+        deadLine = deadline;
+    }
+    @Override
+    public String getTask() {
+        return this.taskDescription;
+    }
+
+    public String getDeadline() {
+        return this.deadLine.format(DateTimeFormatter.ofPattern("MMM d yyyy"));
+    }
+
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + " ( by: " + this.getDeadline() + " )" ;
+    }
+}

src/main/java/Duke.java

@@ -1,10 +1,112 @@
+import java.io.BufferedWriter;
+import java.util.Scanner;
+import java.util.ArrayList;
+import java.io.File;
+import java.io.IOException;
+import java.io.FileWriter;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class Duke {
+    public static void addTaskToFile(String fileName, String task) {
+        try {
+            BufferedWriter temp = new BufferedWriter(new FileWriter(fileName, true));
+            temp.write(task);
+            temp.close();
+        } catch (IOException e) {
+            System.out.println("There is an error in saving tasks.");
+        }
+    }
     public static void main(String[] args) {
-        String logo = " ____        _        \n"
-                + "|  _ \\ _   _| | _____ \n"
-                + "| | | | | | | |/ / _ \\\n"
-                + "| |_| | |_| |   <  __/\n"
-                + "|____/ \\__,_|_|\\_\\___|\n";
-        System.out.println("Hello from\n" + logo);
+
+        System.out.println("Hello! I'm Happie \nWhat can I do for you?");
+        try {
+            File taskSaved = new File("C:/Users/linwe/Documents/TaskSaved.txt");
+            FileWriter myWriter = new FileWriter("C:/Users/linwe/Documents/TaskSaved.txt");
+            myWriter.write("");
+        } catch (IOException e) {
+            System.out.println("There is an error in saving tasks.");
+        }
+        Scanner sc = new Scanner(System.in);
+        String input = sc.nextLine();
+        ArrayList<Task> taskList = new ArrayList<>();
+
+
+
+        while(!input.equals("bye")) {
+
+            if (input.equals("list")) {
+                System.out.println("Here are some tasks in your list:");
+                for (int i = 1; i < taskList.size() + 1; i++) {
+                    System.out.println(i + "." + (taskList.get(i - 1)).toString());
+                }
+
+            } else if(input.length() > 4 && (input.substring(0, 4)).equals("mark")) {
+                String taskStr = input.substring(5);
+                int taskNum = Integer.parseInt(taskStr) - 1;
+                Task originalTask =  taskList.get(taskNum);
+                originalTask.markTask();
+                System.out.println("Nice! I've marked this task as done: \n  " + originalTask);
+
+            } else if(input.length() > 6 && (input.substring(0, 6)).equals("unmark")) {
+                String taskStr = input.substring(7);
+                int taskNum = Integer.parseInt(taskStr) - 1;
+                Task originalTask =  taskList.get(taskNum);
+                originalTask.unmarkTask();
+                System.out.println("Ok, I've marked this task as not done yet: \n  " + originalTask);
+
+            }  else if(input.length() > 4 && (input.substring(0, 4)).equals("todo")) {
+                ToDo task = new ToDo(input);
+                taskList.add(task);
+                addTaskToFile("C:/Users/linwe/Documents/TaskSaved.txt", task.getTaskType() + " | "
+                        + task.currentTaskStatus()  + " | " + task.getTask() + "\n");
+
+                System.out.println("Got it. I've added this task: \n  " + task +
+                        "\nNow you have " + taskList.size() + " tasks in the list.");
+
+            } else if(input.length() > 8 &&(input.substring(0, 8)).equals("deadline")) {
+                LocalDate deadline = LocalDate.parse(input.substring(input.indexOf("/") + 4));
+                Deadline task = new Deadline(input, deadline);
+                taskList.add(task);
+                addTaskToFile("C:/Users/linwe/Documents/TaskSaved.txt", task.getTaskType() + " | "
+                        + task.currentTaskStatus()  + " | " + task.getTask() + " | " + task.getDeadline() + "\n");
+
+                System.out.println("Got it. I've added this task: \n  " + task +
+                        "\nNow you have " + taskList.size() + " tasks in the list.");
+
+            } else if(input.length() > 5 && (input.substring(0, 5)).equals("event")) {
+                LocalDate startDate = LocalDate.parse(input.substring(input.indexOf("/") + 6, input.lastIndexOf("/") - 1));
+                LocalDate endDate = LocalDate.parse(input.substring(input.lastIndexOf("/") + 4));
+                Event task = new Event(input, startDate, endDate);
+                taskList.add(task);
+                addTaskToFile("C:/Users/linwe/Documents/TaskSaved.txt", task.getTaskType() + " | "
+                        + task.currentTaskStatus()  + " | " + task.getTask() + " | " + task.getTimeline() + "\n");
+
+                System.out.println("Got it. I've added this task: \n  " + task +
+                        "\nNow you have " + taskList.size() + " tasks in the list.");
+
+            } else if(input.length() > 6 && (input.substring(0, 6)).equals("delete")) {
+                String taskStr = input.substring(7);
+                int taskNum = Integer.parseInt(taskStr) - 1;
+                Task taskToRemove = taskList.get(taskNum);
+                String removedTaskStr = taskToRemove.toString();
+                taskList.remove(taskNum);
+                System.out.println("Noted. I've removed this task: \n  " + removedTaskStr +
+                        "\nNow you have " + taskList.size() + " tasks in the list.");
+            }
+            else {
+                    try {
+                        if ((input.equals("todo")) || (input.equals("deadline")) || (input.equals("event"))) {
+                            throw new EmptyDescriptionException();
+                        } else {
+                            throw new WrongCommandException();
+                        }
+                    } catch (EmptyDescriptionException | WrongCommandException e){
+                        System.out.println(e.getMessage());
+                    }
+            }
+            input = sc.nextLine();
+        }
+        System.out.println("Bye. Hope to see you again soon!");
     }
 }

src/main/java/EmptyDescriptionException.java

@@ -0,0 +1,6 @@
+public class EmptyDescriptionException extends Exception{
+    public EmptyDescriptionException() {
+        super("☹ OOPS!!! The description of a task cannot be empty.");
+    }
+
+}

src/main/java/Event.java

@@ -0,0 +1,30 @@
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+public class Event extends Task{
+    String taskDescription;
+    LocalDate startDate;
+    LocalDate endDate;
+
+    public Event(String taskString, LocalDate startDateInput, LocalDate endDateInput) {
+        super(taskString.substring(6, taskString.indexOf("/") - 1));
+
+        taskDescription = taskString.substring(6, taskString.indexOf("/") - 1);
+        startDate = startDateInput;
+        endDate = endDateInput;
+    }
+
+    @Override
+    public String getTask() {
+        return this.taskDescription;
+    }
+
+    public String getTimeline() {
+        return this.startDate.format(DateTimeFormatter.ofPattern("MMM d yyyy")) + " to " + this.endDate.format(DateTimeFormatter.ofPattern("MMM d yyyy"));
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + " (" + this.getTimeline() + ")";
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,37 @@
+public class Task {
+    public String taskString;
+    public boolean isCompleted;
+
+    public Task(String taskString) {
+        this.taskString = taskString;
+        this.isCompleted = false;
+    }
+
+    public String currentTaskStatus() {
+        if(this.isCompleted) {
+            return "[X]";
+        } else {
+            return "[ ]";
+        }
+    }
+
+    public void markTask() {
+        this.isCompleted = true;
+    }
+
+    public void unmarkTask() {
+        this.isCompleted = false;
+    }
+
+    public String getTaskType() {
+        return this.toString().substring(1, 2);
+    }
+
+    public String getTask() {
+        return " ";
+    }
+
+    public String toString() {
+        return this.currentTaskStatus() + " " + this.taskString;
+    }
+}

src/main/java/ToDo.java

@@ -0,0 +1,22 @@
+public class ToDo extends Task {
+
+    String taskDescription;
+
+    public ToDo(String taskString) {
+        super(taskString.substring(5));
+
+        taskDescription = taskString.substring(5);
+    }
+
+    @Override
+    public String getTask() {
+        return this.taskDescription;
+    }
+
+
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+
+}

src/main/java/WrongCommandException.java

@@ -0,0 +1,6 @@
+public class WrongCommandException extends Exception{
+    public WrongCommandException() {
+        super("☹ OOPS!!! I'm sorry, but I don't know what that means :-(");
+    }
+
+}

text-ui-test/EXPECTED.TXT

@@ -1,7 +1,23 @@
-Hello from
- ____        _        
-|  _ \ _   _| | _____ 
-| | | | | | | |/ / _ \
-| |_| | |_| |   <  __/
-|____/ \__,_|_|\_\___|
-
+Hello! I'm Happie
+What can I do for you?
+Got it. I've added this task:
+ [T][ ] cook
+Now you have 1 tasks in the list.
+Got it. I've added this task:
+ [E][ ] pay (from: 4pm to: 7pm)
+Now you have 2 tasks in the list.
+Got it. I've added this task:
+ [D][ ] code (by: no idea :-p)
+Now you have 3 tasks in the list.
+Nice! I've marked this task as done:
+ [T][X] cook
+Here are the tasks in your list:
+1.[T][X] cook
+2.[E][ ] pay (from: 4pm to: 7pm)
+3.[D][ ] code (by: no idea :-p)
+Ok, I've marked this task as not done yet:
+ [T][ ] cook
+Here are the tasks in your list:
+1.[T][ ] cook
+2.[E][ ] pay (from: 4pm to: 7pm)
+3.[D][ ] code (by: no idea :-p)

text-ui-test/input.txt

@@ -0,0 +1,7 @@
+todo cook
+event pay /from 4am /to 7pm
+deadline code /by no idea :-p
+mark 1
+list
+unmark 1
+list