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import React, { Component } from 'react'; |
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import io from 'socket.io-client'; |
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class Chat extends Component { |
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constructor() { |
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super(); |
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this.state = { |
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history: [], |
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log: [], |
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latestChat: [], |
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msg: "", |
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tmpNick: "", |
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userNick: "" |
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}; |
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// this.socket = io('http://localhost:8000'); |
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this.socket = io('https://socket-server.listrom.me'); |
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this.myChangeHandler = this.myChangeHandler.bind(this); |
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this.myChangeHandlerTwo = this.myChangeHandlerTwo.bind(this); |
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} |
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myChangeHandlerTwo = (event) => { |
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let tmpNick = event.target.value; |
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this.setState({tmpNick: tmpNick}); |
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} |
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setUserNick = () => { |
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this.setState({userNick: this.state.tmpNick}) |
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this.socket.emit('chat message', this.state.tmpNick + " just joined the chat") |
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} |
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myChangeHandler(event) { |
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this.setState({msg: event.target.value}); |
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} |
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sendMessage = () => { |
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if (this.state.msg !== "") { |
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let message = this.state.userNick + ": " + this.state.msg; |
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this.socket.emit('chat message', message); |
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this.setState({msg: ""}); |
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} |
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} |
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componentDidMount() { |
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this.socket.on('connect', function() { |
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console.log("New user connected") |
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}) |
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this.socket.on('chat message', function (message) { |
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updateChat(message); |
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// console.log(message); |
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}); |
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const updateChat = message => { |
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this.setState({ history: [...this.state.history, message] }); |
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} |
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fetch("https://socket-server.listrom.me/chatlog/") |
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.then(response => response.json()) |
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.then(data => { |
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// this.setState({ data: data.data.text}); |
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// console.log(data); |
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for (let key in data) { |
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if (data.hasOwnProperty(key)) { |
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this.setState({ log: [...this.state.log, data[key].message] }); |
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// console.log(key + " -> " + data[key].message); |
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// console.log(this.state.log); |
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} |
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} |
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}); |
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} |
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scrollChat() { |
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let chatwindow = document.getElementById("all-messages"); |
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chatwindow.scrollTop = chatwindow.scrollHeight; |
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} |
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componentDidUpdate() { |
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if (this.state.history.length > 1) { |
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let chatwindow = document.getElementById("all-messages"); |
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chatwindow.scrollTop = chatwindow.scrollHeight; |
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} |
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} |
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componentWillUnmount() { |
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this.socket.disconnect(); |
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} |
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render() { |
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if (this.state.userNick === "") { |
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return ( |
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<main> |
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<h1>Websocket chat</h1> |
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<p><strong>Choose username:</strong></p> |
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<input className="new-message" value={this.tmpNick} onChange={this.myChangeHandlerTwo} /> |
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<button className='button' onClick={this.setUserNick} >Join chat</button> |
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</main> |
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); |
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} else { |
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return ( |
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<main> |
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<h1>Websocket chat</h1> |
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<div |
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id="all-messages" |
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className="all-messages"> |
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{this.state.log.map(item => ( |
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<p key={item}>{item}</p> |
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))} |
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{this.state.history.map(item => ( |
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<p key={item}>{item}</p> |
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))} |
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</div> |
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<p><strong>Write new message:</strong></p> |
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<input |
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type="text" |
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className="new-message" |
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value={this.state.msg} |
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onChange={this.myChangeHandler} |
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/> |
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<button |
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className='button' |
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onClick={this.sendMessage} |
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> |
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Send |
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</button> |
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<br /> |
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</main> |
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); |
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} |
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} |
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} |
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export default Chat; |
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slistrom /
me-react-front
