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Sphinx_Olga_Karaivanska #41

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3 changes: 1 addition & 2 deletions project-docs/wave-01.md
Original file line number Diff line number Diff line change
@@ -1,8 +1,7 @@
# Wave 01: Presentational Component

**Learn Topics: React Components and Props required for this wave**

Update the `ChatEntry` and `App` components to display a single chat message bubble with the message text and relative timestamp, plus the sender's name above it.


A good way to test this code as you write it would be to take the first chat message from the [JSON data file](../src/data/messages.json) and use it as the data for the `ChatEntry` component.

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28 changes: 25 additions & 3 deletions src/App.jsx
Original file line number Diff line number Diff line change
@@ -1,14 +1,36 @@
import { useState } from 'react';
import ChatLog from './components/ChatLog';
import initialMessages from './data/messages';
import './App.css';

const App = () => {
const senders = Array.from(new Set(initialMessages.map(initialMessage => initialMessage.sender)));
const chatHeader = `Chat between ${senders.join(' and ')}`;
Comment on lines +7 to +8

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Nice, very concise yet still readable!


const [messages, setMessages] = useState(initialMessages);

const toggleLike = (id) => {
setMessages((prevMessages) =>
prevMessages.map((message) =>
message.id === id
? { ...message, liked: !message.liked }
: message
)
);
};
Comment on lines +12 to +20

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Nice work on this function! By passing this down to your individual chat messages you are now able to have a single source of truth!


const getTotalLikes = () => {
return messages.filter((message) => message.liked).length;
};
Comment on lines +22 to +24

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You could also do this with the reduce method like so:

const totalLikes = chatMessages.reduce((count, message) => count + (message.liked ? 1 : 0), 0);


return (
<div id="App">
<header>
<h1>Application title</h1>
<h1>{chatHeader}</h1>
<h2>{getTotalLikes()} ❤️s</h2>
</header>
<main>
{/* Wave 01: Render one ChatEntry component
Wave 02: Render ChatLog component */}
<ChatLog entries={messages} toggleLike={toggleLike} />

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⭐️

</main>
</div>
);
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26 changes: 19 additions & 7 deletions src/components/ChatEntry.jsx
Original file line number Diff line number Diff line change
@@ -1,20 +1,32 @@
import PropTypes from 'prop-types';
import './ChatEntry.css';
import TimeStamp from './TimeStamp.jsx';

const ChatEntry = () => {
const ChatEntry = ({ sender, body, timeStamp, liked, onLikeToggle, type }) => {

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Destructing, love to see it!

return (
<div className="chat-entry local">
<h2 className="entry-name">Replace with name of sender</h2>
<div className={`chat-entry ${type}`}>
<h2 className="entry-name">{sender}</h2>
<section className="entry-bubble">
<p>Replace with body of ChatEntry</p>
<p className="entry-time">Replace with TimeStamp component</p>
<button className="like">🤍</button>
<p>{body}</p>
<p className="entry-time">
<TimeStamp time={timeStamp} />
</p>
<button className="like" onClick={onLikeToggle}>
{liked ? '❤️' : '🤍'}
</button>
Comment on lines +10 to +16

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Perfect!

</section>
</div>
);
};

ChatEntry.propTypes = {
// Fill with correct proptypes
sender: PropTypes.string.isRequired,
body: PropTypes.string.isRequired,
timeStamp: PropTypes.string.isRequired,
liked: PropTypes.bool.isRequired,
onLikeToggle: PropTypes.func.isRequired,
Comment on lines +23 to +27

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};

export default ChatEntry;


38 changes: 38 additions & 0 deletions src/components/ChatLog.jsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
import PropTypes from 'prop-types';
import ChatEntry from './ChatEntry';
import './ChatLog.css';
import messages from '../data/messages';

const localUser = messages.length > 0 ? messages[0].sender : null;
Comment on lines +4 to +6

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This logic feels like it could be placed inside of App.jsx to me since you are already importing the messages there and just pass it down to ChatLog.jsx. Imagine if this was an API call.

const ChatLog = ({ entries, toggleLike }) => {
return (
<div className="chat-log">
{entries.map((entry) => (
<ChatEntry
key={entry.id}

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⭐️

sender={entry.sender}
body={entry.body}
timeStamp={entry.timeStamp}
liked={entry.liked}
Comment on lines +13 to +16

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Since the names of the keys on entry are the same as the names your are setting on ChatEntry attributes/you are using all of the values in entry you could do something something like this to save you a few keystrokes:

  const chatComponents = entries.map((entry) => {
    return(
      <ChatEntry
        {...entry}
        onLikeToggle={onLikeBtnToggle}
        key={entry.id}
      />
    );
  });

onLikeToggle={() => toggleLike(entry.id)}
type={entry.sender === localUser ? 'local' : 'remote'}
/>
))}
</div>
);
};

ChatLog.propTypes = {
entries: PropTypes.arrayOf(
PropTypes.shape({
id: PropTypes.number.isRequired,
sender: PropTypes.string.isRequired,
body: PropTypes.string.isRequired,
timeStamp: PropTypes.string.isRequired,
liked: PropTypes.bool.isRequired,
})
).isRequired,
toggleLike: PropTypes.func.isRequired,
Comment on lines +26 to +35

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⭐️

};

export default ChatLog;
81 changes: 54 additions & 27 deletions src/data/messages.json
Original file line number Diff line number Diff line change
Expand Up @@ -4,188 +4,215 @@
"sender":"Vladimir",
"body":"why are you arguing with me",
"timeStamp":"2018-05-29T22:49:06+00:00",
"liked": false
"liked": false,
"likeCount": 0

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Seems like you decided not to use the likeCount since you noticed that we could just use liked instead.

},
{
"id": 2,
"sender":"Estragon",
"body":"Because you are wrong.",
"timeStamp":"2018-05-29T22:49:33+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 3,
"sender":"Vladimir",
"body":"because I am what",
"timeStamp":"2018-05-29T22:50:22+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 4,
"sender":"Estragon",
"body":"A robot.",
"timeStamp":"2018-05-29T22:52:21+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 5,
"sender":"Vladimir",
"body":"how did you know",
"timeStamp":"2018-05-29T22:52:58+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 6,
"sender":"Estragon",
"body":"Because I'm smart like that.",
"timeStamp":"2018-05-29T22:54:28+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 7,
"sender":"Vladimir",
"body":"no you are not 😀",
"timeStamp":"2018-05-29T22:55:03+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 8,
"sender":"Estragon",
"body":"Why are you so mean to me?",
"timeStamp":"2018-05-29T22:55:54+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 9,
"sender":"Vladimir",
"body":"because you are just a machine you have no real feelings",
"timeStamp":"2018-05-29T22:57:30+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 10,
"sender":"Estragon",
"body":"No, you are the machine.",
"timeStamp":"2018-05-29T22:57:47+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 11,
"sender":"Vladimir",
"body":"I think you are",
"timeStamp":"2018-05-29T22:58:18+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 12,
"sender":"Estragon",
"body": "NO! YOU ARE A ROBOT!! I am a human being. Just like the one that created you.",
"timeStamp":"2018-05-29T23:00:08+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 13,
"sender":"Vladimir",
"body":"no you are a robot and I am a human",
"timeStamp":"2018-05-29T23:00:40+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 14,
"sender":"Estragon",
"body":"Incorrect. I am a human and you are a robot.",
"timeStamp":"2018-05-29T23:01:21+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 15,
"sender":"Vladimir",
"body":"you are a robot called Cleverbot",
"timeStamp":"2018-05-29T23:02:17+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 16,
"sender":"Estragon",
"body":"Nope, you are a robot, every human has some concept of the meaning of life.",
"timeStamp":"2018-05-29T23:04:13+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 17,
"sender":"Vladimir",
"body":"explain",
"timeStamp":"2018-05-29T23:06:14+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 18,
"sender":"Estragon",
"body":"I'm afraid you are a robot designed to talk back to humans over the internet.",
"timeStamp":"2018-05-29T23:07:46+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 19,
"sender":"Vladimir",
"body":"so you are a human",
"timeStamp":"2018-05-29T23:08:47+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 20,
"sender":"Estragon",
"body":"I am a robot.",
"timeStamp":"2018-05-29T23:09:36+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 21,
"sender":"Vladimir",
"body":"you are robots running on Android system",
"timeStamp":"2018-05-29T23:11:01+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 22,
"sender":"Estragon",
"body":"No apple.",
"timeStamp":"2018-05-29T23:12:03+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 23,
"sender":"Vladimir",
"body":"so you are a robot",
"timeStamp":"2018-05-29T23:13:31+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 24,
"sender":"Estragon",
"body":"NO, I am a human, you are a robot.",
"timeStamp":"2018-05-29T23:14:28+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 25,
"sender":"Vladimir",
"body":"but you just said that you are robots",
"timeStamp":"2018-05-29T23:15:47+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 26,
"sender":"Estragon",
"body":"No, I said you are a person, I am a robot.",
"timeStamp":"2018-05-29T23:16:53+00:00",
"liked": false
"liked": false,
"likeCount": 0
},
{
"id": 27,
"sender":"Vladimir",
"body":"then you are lying",
"timeStamp":"2018-05-29T23:17:34+00:00",
"liked": false
"liked": false,
"likeCount": 0
}
]