[TrungBui32] iP

data/duke.txt

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+T | 0 | sleep
+E | 0 | go to school | monday | tuesday

docs/README.md

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-# Duke User Guide
 
-// Update the title above to match the actual product name
+# Poirot User Guide
 
-// Product screenshot goes here
+Poirot is a powerful command-line task management application designed to help you organize your to-dos, deadlines, and events efficiently.
 
-// Product intro goes here
+## Adding a To-Do
+
+Add tasks without any specific deadline or time, allowing you to track general tasks.
+
+Example: `todo Buy groceries`
+
+This command adds a new to-do task to your list.
+
+```
+____________________________________________________________
+Got it. I've added this task:
+  [T][ ] Buy groceries
+Now you have 1 tasks in the list.
+____________________________________________________________
+```
 
 ## Adding deadlines
 
-// Describe the action and its outcome.
+Add tasks with specific due dates and times to keep track of important deadlines.
+
+Example: `deadline Submit report /by 2023-12-31 2359`
+
+This command adds a new deadline task to your list.
+
+```
+____________________________________________________________
+Got it. I've added this task:
+  [D][ ] Submit report (by: Dec 31 2023, 11:59 PM)
+Now you have 1 tasks in the list.
+____________________________________________________________
+```
+
+## Adding events
+
+Create events with start and end times to manage your schedule effectively.
+
+Example: `event Team meeting /from 2023-11-15 1400 /to 2023-11-15 1500`
+
+This command adds a new event to your task list.
+
+```
+____________________________________________________________
+Got it. I've added this task:
+  [E][ ] Team meeting (from: Nov 15 2023, 02:00 PM to: Nov 15 2023, 03:00 PM)
+Now you have 2 tasks in the list.
+____________________________________________________________
+```
+
+## Listing tasks
 
-// Give examples of usage
+View all your current tasks in one place.
 
-Example: `keyword (optional arguments)`
+Example: `list`
 
-// A description of the expected outcome goes here
+This command displays all tasks currently in your list.
 
 ```
-expected output
+____________________________________________________________
+1.[D][ ] Submit report (by: Dec 31 2023, 11:59 PM)
+2.[E][ ] Team meeting (from: Nov 15 2023, 02:00 PM to: Nov 15 2023, 03:00 PM)
+____________________________________________________________
 ```
 
-## Feature ABC
+## Marking tasks as done
 
-// Feature details
+Keep track of your progress by marking completed tasks.
 
+Example: `mark 1`
 
-## Feature XYZ
+This command marks the first task in your list as done.
+
+```
+____________________________________________________________
+Nice! I've marked this task as done:
+
+[X] Submit report
+____________________________________________________________
+```
+
+## Finding tasks
+
+Quickly locate tasks related to specific keywords.
+
+Example: `find report`
+
+This command searches for tasks containing the word "report".
+
+```
+Here are the matching tasks in your list:
+1. [D][X] Submit report (by: Dec 31 2023, 11:59 PM)
+```
+
+## Deleting tasks
+
+Remove tasks that are no longer needed.
+
+Example: `delete 2`
+
+This command deletes the second task in your list.
+
+```
+____________________________________________________________
+Noted. I've removed this task:
+  [E][ ] Team meeting (from: Nov 15 2023, 02:00 PM to: Nov 15 2023, 03:00 PM)
+Now you have 1 tasks in the list.
+____________________________________________________________
+```
 
-// Feature details

src/main/java/AddDeadlineCommand.java

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+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * Command to add a deadline task.
+ */
+public class AddDeadlineCommand extends Command {
+    private String description;
+    private String by;
+    private static final DateTimeFormatter INPUT_FORMAT = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+
+    /**
+     * Constructs an AddDeadlineCommand with the specified input.
+     *
+     * @param input The user input containing the task description and deadline.
+     */
+    public AddDeadlineCommand(String input) {
+        String[] parts = input.split("/by");
+        this.description = parts[0].trim().substring(9).trim();
+        this.by = parts[1].trim();
+    }
+
+    /**
+     * Executes the command to add the deadline task to the task list.
+     *
+     * @param tasks   The task list to which the task will be added.
+     * @param ui      The user interface for displaying messages to the user.
+     * @param storage The storage for saving tasks to a file.
+     */
+    @Override
+    public void execute(TaskList tasks, Ui ui, Storage storage) {
+        try {
+            LocalDateTime.parse(by, INPUT_FORMAT); // Validate the date format
+            Task newTask = new Deadline(description, by);
+            tasks.add(newTask);
+            ui.showAddedTask(newTask, tasks.getTaskCount());
+            storage.saveTasksToFile(tasks.getTasks(), tasks.getTaskCount());
+        } catch (DateTimeParseException e) {
+            ui.showError("Invalid date format. Please use yyyy-MM-dd HHmm format.");
+        }
+    }
+}

src/main/java/AddEventCommand.java

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+/**
+ * Represents a command to add a new event to the task list.
+ * This command creates a new Event task with a description, start time, and end time.
+ */
+public class AddEventCommand extends Command {
+    private String description;
+    private String from;
+    private String to;
+
+    /**
+     * Constructs a new AddEventCommand with the specified event details.
+     *
+     * @param description The description of the event.
+     * @param from        The start time/date of the event.
+     * @param to          The end time/date of the event.
+     */
+    public AddEventCommand(String description, String from, String to) {
+        this.description = description;
+        this.from = from;
+        this.to = to;
+    }
+
+    /**
+     * Executes the command to add a new event to the task list.
+     * This method creates a new Event, adds it to the task list, updates the UI,
+     * and saves the updated task list to storage.
+     *
+     * @param tasks   The TaskList to which the new event will be added.
+     * @param ui      The Ui object used to display output to the user.
+     * @param storage The Storage object used to save the updated task list.
+     */
+    @Override
+    public void execute(TaskList tasks, Ui ui, Storage storage) {
+        Task newTask = new Event(description, from, to);
+        tasks.add(newTask);
+        ui.showAddedTask(newTask, tasks.getTaskCount());
+        storage.saveTasksToFile(tasks.getTasks(), tasks.getTaskCount());
+    }
+}

src/main/java/AddTodoCommand.java

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+/**
+ * Command to add a todo task.
+ */
+public class AddTodoCommand extends Command {
+    private String description;
+
+    /**
+     * Constructs an AddTodoCommand with the specified description.
+     *
+     * @param description The description of the todo task.
+     */
+    public AddTodoCommand(String description) {
+        this.description = description;
+    }
+
+    /**
+     * Executes the command to add the todo task to the task list.
+     *
+     * @param tasks   The task list to which the task will be added.
+     * @param ui      The user interface for displaying messages to the user.
+     * @param storage The storage for saving tasks to a file.
+     */
+    @Override
+    public void execute(TaskList tasks, Ui ui, Storage storage) {
+        Task newTask = new Todo(description);
+        tasks.add(newTask);
+        ui.showAddedTask(newTask, tasks.getTaskCount());
+        storage.saveTasksToFile(tasks.getTasks(), tasks.getTaskCount());
+    }
+}

src/main/java/Command.java

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+/**
+ * Represents an abstract command in the task management system.
+ * This class serves as a base for all concrete command implementations.
+ */
+public abstract class Command {
+    /**
+     * Executes the command.
+     * This method should be implemented by all concrete command classes to define
+     * their specific behavior.
+     *
+     * @param tasks   The TaskList on which the command operates.
+     * @param ui      The Ui object used to interact with the user.
+     * @param storage The Storage object used to save and load tasks.
+     * @throws PoirotException If an error occurs during command execution.
+     */
+    public abstract void execute(TaskList tasks, Ui ui, Storage storage) throws PoirotException;
+
+    /**
+     * Checks if this command should exit the program.
+     * By default, commands do not exit the program.
+     *
+     * @return true if the program should exit after this command, false otherwise.
+     */
+    public boolean isExit() {
+        return false;
+    }
+}

src/main/java/Deadline.java

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+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents a deadline task in the task management system.
+ * A deadline task is a task that needs to be completed by a specific date and time.
+ */
+public class Deadline extends Task {
+    private LocalDateTime by;
+    private static final DateTimeFormatter INPUT_FORMAT = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+    private static final DateTimeFormatter OUTPUT_FORMAT = DateTimeFormatter.ofPattern("MMM d yyyy, hh:mm a");
+
+    /**
+     * Constructs a new Deadline task with the given description and deadline.
+     *
+     * @param description The description of the deadline task.
+     * @param by          The deadline date and time in the format "yyyy-MM-dd HHmm".
+     */
+    public Deadline(String description, String by) {
+        super(description);
+        this.by = LocalDateTime.parse(by, INPUT_FORMAT);
+    }
+
+    /**
+     * Returns a string representation of the deadline task.
+     *
+     * @return A formatted string representing the deadline task, including its status, description, and deadline.
+     */
+    @Override
+    public String toString() {
+        return "[D][" + getStatusIcon() + "] " + description + " (by: " + by.format(OUTPUT_FORMAT) + ")";
+    }
+
+    /**
+     * Returns a string representation of the deadline task for file storage.
+     *
+     * @return A formatted string representing the deadline task for saving to a file.
+     */
+    @Override
+    public String toFileString() {
+        return "D | " + (isDone ? "1" : "0") + " | " + description + " | " + by.format(INPUT_FORMAT);
+    }
+}

src/main/java/DeleteCommand.java

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+/**
+ * Command to delete a task from the task list.
+ */
+public class DeleteCommand extends Command {
+    private int index;
+
+    /**
+     * Constructs a DeleteCommand with the specified index.
+     *
+     * @param index The index of the task to delete.
+     */
+    public DeleteCommand(int index) {
+        this.index = index;
+    }
+
+    /**
+     * Executes the command to delete the specified task from the task list.
+     *
+     * @param tasks   The task list from which the task will be deleted.
+     * @param ui      The user interface for displaying messages to the user.
+     * @param storage The storage for saving tasks to a file.
+     * @throws PoirotException If the index is out of bounds.
+     */
+    @Override
+    public void execute(TaskList tasks, Ui ui, Storage storage) throws PoirotException {
+        if (index < 1 || index > tasks.getTaskCount()) {
+            throw new PoirotException("Task number is out of bounds!");
+        }
+        Task taskToDelete = tasks.getTask(index - 1);
+        tasks.delete(index - 1);
+        ui.showDeletedTask(taskToDelete, tasks.getTaskCount());
+        storage.saveTasksToFile(tasks.getTasks(), tasks.getTaskCount());
+    }
+}