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import { useEffect, useState, useContext } from 'react';
import { ApiContext } from '../../utils/api_context';
import { useChat } from '../../utils/use_chat';
import { Link, useParams } from 'react-router-dom';
import { generateGruvboxFromString } from '../../utils/generate_gruvbox';
/*
A lot of this is stolen from my Docker presentation :).
https://github.com/USUFSLC/sochat
*/
export const ChatRoom = () => {
const { id } = useParams();
const [chatRoom, setChatRoom] = useState('');
const [connections, messages, sendMessage] = useChat(chatRoom);
const [message, setMessage] = useState('');
const [color, setColor] = useState(generateGruvboxFromString('placeholder'));
const [user, setUser] = useState({});
const api = useContext(ApiContext);
const fetchUser = async () => {
const res = await api.get('/users/me');
if (res.user) {
setUser(res.user);
setColor(generateGruvboxFromString(`${res.user.firstName} ${res.user.lastName}`));
}
};
const fetchChatRoom = async (id) => {
const room = await api.get(`/chat_rooms/${id}`);
if (room) {
setChatRoom(room);
}
};
const scrollToBottomOfChat = () => {
const objDiv = document.getElementById('chat');
objDiv.scrollTop = objDiv.scrollHeight;
};
const sendThisMessage = () => {
sendMessage(message);
setMessage('');
};
useEffect(() => {
fetchUser();
fetchChatRoom(id);
}, [id]);
useEffect(() => {
scrollToBottomOfChat();
}, [messages]);
return (
<div className="container" style={{ border: `1px solid ${color}` }}>
<div style={{ textAlign: 'center' }}>
<h2>{chatRoom?.name || `Chat Room ${chatRoom?.id}`}</h2>
</div>
<div className="chat-container">
<div id="chat" className="chat-box">
{messages.map((message) => (
<div key={message.id} style={{ lineBreak: 'normal' }}>
<span style={{ color: generateGruvboxFromString(message.userName) }}>{message.userName}: </span>
<span>{message.content}</span>
</div>
))}
</div>
<div className="chat-connections">
<h1>Connected Users ({connections.length})</h1>
<hr />
<ul>
{connections.map((user) => (
<li key={user.id} style={{ color: generateGruvboxFromString(user.userName) }}>
{user.userName}
</li>
))}
</ul>
</div>
</div>
<div>
<textarea
placeholder={'Message'}
className="input"
onChange={(e) => setMessage(e.target.value)}
value={message}
rows={1}
cols={30}
></textarea>
<div className="button" onClick={sendThisMessage}>
Send
</div>
<div className="button">
<Link to="/">Back to map</Link>
</div>
</div>
</div>
);
};
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