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/*eslint max-len: ["error", { "code": 150 }]*/ |
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import React, { Component } from 'react'; |
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import PropTypes from 'prop-types'; |
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import base from '../../config/api.js'; |
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import io from 'socket.io-client'; |
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const socket = io(base.chat()); |
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class Chat extends Component { |
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static propTypes = { |
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match: PropTypes.object.isRequired, |
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location: PropTypes.object.isRequired, |
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history: PropTypes.object.isRequired |
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}; |
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constructor(props) { |
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super(props); |
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this.updateConversation = this.updateConversation.bind(this); |
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this.newMessage = this.newMessage.bind(this); |
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this.state = { |
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conversation: [], |
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users: "", |
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username: "" |
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}; |
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} |
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componentDidMount() { |
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this.startChat(); |
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socket.emit('restore conversation'); |
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if (localStorage.getItem("activeUser")) { |
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let user = localStorage.getItem("activeUser"), |
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profile = []; |
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profile = JSON.parse(user); |
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this.setState({ |
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username: profile.name |
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}, () => socket.emit('update users', this.state.username)); |
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} else { |
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this.props.history.push('/login'); |
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} |
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} |
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startChat() { |
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let that = this; |
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socket.on('connect', function() { |
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console.info("Connected to chat"); |
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}); |
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socket.on('disconnect', function() { |
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console.info("Disconnected from chat"); |
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}); |
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socket.on('chat message', function (conversation) { |
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that.updateConversation(conversation); |
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}); |
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socket.on('restore conversation', function (conversation) { |
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that.updateConversation(conversation); |
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}); |
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socket.on('clear conversation', function () { |
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that.setState({ |
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conversation: [] |
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}); |
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}); |
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socket.on('update users', function (users) { |
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let currentUsers = [], |
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currentConversation = that.state.conversation; |
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users.all.map(function (user) { |
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currentUsers.push(<li key={user}>{user}</li>); |
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return true; |
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}); |
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if (users.new) { |
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currentConversation.push( |
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<div className="chat-container message" key={users.new}> |
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<p className="newUser center">{ users.new } has joined the conversation.</p> |
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</div> |
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); |
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} else if (users.left) { |
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currentConversation.push( |
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<div className="chat-container message" key={users.left}> |
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<p className="oldUser center">{ users.left } has left the conversation.</p> |
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</div> |
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); |
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} |
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that.setState({ |
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users: currentUsers, |
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conversation: currentConversation |
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}); |
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}); |
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} |
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updateConversation(conversation) { |
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let that = this, |
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currentConversation = []; |
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conversation.map(function (message) { |
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let key = "message-" + message.count, |
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containerClass = that.state.username === message.user ? "chat-container me-container" : "chat-container", |
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userClass = that.state.username === message.user ? "user me-user" : "user"; |
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currentConversation.push( |
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<div className={containerClass} key={key}> |
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<p className={userClass}>{ message.user }</p> |
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<p className="message">{ message.text }</p> |
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<span className="time-left">{ message.timestamp }</span> |
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</div> |
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); |
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return true; |
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}); |
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this.setState({ |
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conversation: currentConversation |
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}); |
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} |
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clearConversation() { |
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socket.emit('clear conversation'); |
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} |
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newMessage(e) { |
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if (e.key === 'Enter') { |
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e.preventDefault(); |
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socket.emit('chat message', { |
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user: this.state.username, |
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text: e.target.value |
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}); |
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e.target.value = ""; |
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this.setState({ |
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last: e.target.value |
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}); |
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} |
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} |
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render() { |
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return ( |
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<article> |
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<h1>Chat</h1> |
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<button className="button chat right" onClick={this.clearConversation}>Clear chat</button> |
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<h4>Connected users:</h4> |
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<ol> |
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{ this.state.users } |
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</ol> |
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<div id="conversation" className="conversation">{ this.state.conversation }</div> |
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<textarea |
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id="new-message" |
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className="new-message" |
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name="message" |
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onKeyDown={ this.newMessage } |
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placeholder="Start chatting, press enter send message." |
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/> |
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</article> |
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); |
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} |
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} |
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export default Chat; |
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pamo18 /
pamo18.me
