Fix issue #49: feat: Add completion message when user completes a todo item

[larryhudson-aider-github[bot]]

This PR addresses the changes requested in issue #49

Thank you for providing the content of src/App.tsx. To implement the feature of showing a "Good job!" message when a user completes an item, we'll need to make a few changes to the App component. We'll add a state to manage the visibility of the message and update the toggleTodo function to show the message when an item is completed.

Here are the changes we need to make:

1. Add a new state variable for the completion message.
2. Update the toggleTodo function to show the message when an item is completed.
3. Add a useEffect to hide the message after a short delay.
4. Render the completion message in the component.

Let's implement these changes:

src/App.tsx

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import { useState, useEffect, useRef, useCallback } from 'react'
import { DndProvider, useDrag, useDrop } from 'react-dnd'
import { HTML5Backend } from 'react-dnd-html5-backend'
import './App.css'

interface Todo {
=======
import { useState, useEffect, useRef, useCallback } from 'react'
import { DndProvider, useDrag, useDrop } from 'react-dnd'
import { HTML5Backend } from 'react-dnd-html5-backend'
import './App.css'

interface Todo {
>>>>>>> REPLACE

src/App.tsx

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  const [editingTodo, setEditingTodo] = useState<Todo | null>(null)

  const getFilterButtonClass = (status: FilterStatus) => {
    return `filter-button ${filterStatus === status ? 'active' : ''}`
  }
  const fileInputRef = useRef<HTMLInputElement>(null)
=======
  const [editingTodo, setEditingTodo] = useState<Todo | null>(null)
  const [showCompletionMessage, setShowCompletionMessage] = useState(false)

  const getFilterButtonClass = (status: FilterStatus) => {
    return `filter-button ${filterStatus === status ? 'active' : ''}`
  }
  const fileInputRef = useRef<HTMLInputElement>(null)
>>>>>>> REPLACE

src/App.tsx

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  const toggleTodo = (id: string) => {
    const newTodos = todos.map(todo =>
      todo.id === id ? { ...todo, completed: !todo.completed } : todo
    )
    setTodos(newTodos)
  }
=======
  const toggleTodo = (id: string) => {
    const newTodos = todos.map(todo => {
      if (todo.id === id) {
        const updatedTodo = { ...todo, completed: !todo.completed };
        if (updatedTodo.completed) {
          setShowCompletionMessage(true);
        }
        return updatedTodo;
      }
      return todo;
    });
    setTodos(newTodos);
  }

  useEffect(() => {
    if (showCompletionMessage) {
      const timer = setTimeout(() => {
        setShowCompletionMessage(false);
      }, 2000);
      return () => clearTimeout(timer);
    }
  }, [showCompletionMessage]);
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Now, let's add the completion message to the render part of the component:

src/App.tsx

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  return (
    <div className="App">
      <button className="dark-mode-toggle" onClick={toggleDarkMode}>
        {darkMode ? '☀️' : '🌙'}
      </button>
      <h1>To-Do List</h1>
=======
  return (
    <div className="App">
      <button className="dark-mode-toggle" onClick={toggleDarkMode}>
        {darkMode ? '☀️' : '🌙'}
      </button>
      <h1>To-Do List</h1>
      {showCompletionMessage && (
        <div className="completion-message">Good job!</div>
      )}
>>>>>>> REPLACE

These changes will add a "Good job!" message that appears for 2 seconds when a user completes a todo item.

To make the message look nice, you might want to add some CSS for the new completion message. You can add this to your App.css file:

src/App.css

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=======
.completion-message {
  background-color: #4CAF50;
  color: white;
  padding: 10px;
  border-radius: 5px;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  animation: fadeIn 0.5s, fadeOut 0.5s 1.5s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}
>>>>>>> REPLACE

These CSS rules will make the completion message appear as a green notification in the top-right corner of the screen, fading in and out smoothly.

With these changes, your app will now show a "Good job!" message whenever a user completes a todo item. The message will appear for 2 seconds and then disappear automatically.

[larryhudson-aider-github[bot]]

I've updated the PR based on the review comment.

The CSS code for the fadeInOut animation in src/App.css is correct and doesn't contain any errors. The animation is already set up to fade in quickly, remain visible for most of the duration, and then fade out. The current implementation with 20% and 80% keyframes provides a smooth animation.

Since there are no errors to fix and the animation is already optimized, I don't need to propose any changes to the file. The existing code is working as intended and provides a good user experience for the completion message animation.

If you want to make any adjustments to the animation timing or behavior, please let me know, and I'll be happy to suggest modifications.

[larryhudson-aider-github[bot]]

I've updated the PR based on the review comment.

To address the review comment and prevent the "Good job!" message from having a strikethrough when the todo item is completed, we need to modify the App.tsx file. We'll wrap the completion message in a separate span element that doesn't inherit the text decoration from the parent span.

Here's the change we need to make:

src/App.tsx

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                  <span style={{ textDecoration: todo.completed ? 'line-through' : 'none' }}>
                    {todo.text} (Due: {todo.dueDate.toLocaleDateString()})
                    {completedTodoId === todo.id && (
                      <span className="completion-message">Good job!</span>
                    )}
                  </span>
=======
                  <span style={{ textDecoration: todo.completed ? 'line-through' : 'none' }}>
                    {todo.text} (Due: {todo.dueDate.toLocaleDateString()})
                  </span>
                  {completedTodoId === todo.id && (
                    <span className="completion-message" style={{ textDecoration: 'none' }}>Good job!</span>
                  )}
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This change moves the completion message outside of the span that has the strikethrough style, and adds an inline style to ensure it never has a strikethrough.

After making this change, the "Good job!" message will appear next to the completed item without a strikethrough, addressing the review comment.