prevent empty messages or user

public/css/custom.css

@@ -1,9 +0,0 @@
-.avatar .username {
-  display: none;
-}
-.avatar:hover .username {
-  display: block;
-  position: absolute;
-  z-index: 1;
-  float: left;
-}

public/index.html

@@ -7,7 +7,6 @@
     <meta name="theme-color" content="#000000" />
 
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
-    <link rel="stylesheet" type="text/css" href="css/custom.css" />
 
     <title>app</title>
   </head>

src/components/Chat.js

@@ -1,13 +1,10 @@
 import React from 'react'
-import { Card } from 'react-bootstrap'
-
-import Messages from './Messages'
-import MessageEntry from './MessageEntry'
-import ControlPanel from './ControlPanel'
-
+import { Form, Row, Col, Button, Card, ListGroup, Image } from 'react-bootstrap'
+//import ScrollToBottom from 'react-scroll-to-bottom'
 import userImage from '../assets/default-user-image.png'
 
 import uuid from 'uuid'
+
 import socket from '../socket'
 
 class Chat extends React.Component {
@@ -21,10 +18,11 @@ class Chat extends React.Component {
     this.handleSubmit = this.handleSubmit.bind(this)
     this.handleChange = this.handleChange.bind(this)
     this.handleKey = this.handleKey.bind(this)
-    this.toggleNick = this.toggleNick.bind(this)
   }
 
   componentDidMount() {
+    this.scrollToBottom()
+
     socket.on('typing', () => this.toggleTyping())
     socket.on('message', message => {
       this.addMessage(message)
@@ -35,69 +33,107 @@ class Chat extends React.Component {
 
     socket.on('connect', () => {
       console.log('Connected!')
-      this.setState({
-        user: { socketId: socket.id, userImage },
-        userNick: socket.id,
-      })
+      this.setState({ user: { socketId: socket.id } })
+    })
+    socket.on('disconnect', () => {
+      console.log('Disconnected!')
+      this.setState({ user: { socketId: 'You' } })
     })
   }
 
-  handleKey(e) {
-    socket.emit('typing')
+  componentDidUpdate() {
+    this.scrollToBottom()
+  }
+  scrollToBottom = () => {
+    this.messagesEnd.scrollIntoView({ behavior: 'smooth' })
   }
 
   handleChange(e) {
     this.setState({ [e.target.name]: e.target.value })
   }
 
-  handleSubmit(e) {
-    e.preventDefault()
-    if (this.state.text === '') {
-      return
-    }
-    const message = { socketId: socket.id, id: uuid(), text: this.state.text }
-    const messages = this.state.messages.concat(message)
-    this.setState({ messages, text: '' })
-    socket.emit('message', message)
-  }
-
   toggleTyping() {
     if (this.state.typing) return
     this.setState({ typing: true })
     setTimeout(() => this.setState({ typing: false }), 2000)
   }
 
+  handleKey(e) {
+    socket.emit('typing')
+  }
   addMessage(message) {
     const messages = this.state.messages.concat(message)
     this.setState({ messages })
   }
-
-  toggleNick() {
-    this.setState({ editNick: !this.state.editNick })
+  handleSubmit(e) {
+    e.preventDefault()
+    if (this.state.user.socketId === '' || this.state.text === '') {
+      return
+    }
+    const message = {
+      userId: this.state.user.socketId,
+      id: uuid(),
+      text: this.state.text,
+    }
+    const messages = this.state.messages.concat(message)
+    this.setState({ messages, text: '' })
+    socket.emit('message', message)
   }
 
   render() {
     return (
-      <Card style={{ height: '90vh' }} className="mt-5">
-        <Messages
-          user={this.state.user}
-          messages={this.state.messages}
-          messagesEnd={this.messagesEnd}
-        />
-        <MessageEntry
-          handleSubmit={this.handleSubmit}
-          handleChange={this.handleChange}
-          handleKey={this.handleKey}
-          text={this.state.text}
-        />
-        <ControlPanel
-          typing={this.state.typing}
-          userNick={this.state.userNick}
-          userImage={userImage}
-          handleChange={this.handleChange}
-          editNick={this.editNick}
-          toggleNick={this.toggleNick}
-        />
+      <Card className="mt-5">
+        <Card.Body style={{ height: '60vh' }}>
+          <ListGroup style={{ height: '100%', overflowY: 'hidden' }}>
+            {this.state.messages.map(msg => (
+              <ListGroup.Item key={uuid()} className="my-2">
+                <Image
+                  className={`mx-2 ${
+                    socket.id === this.state.user.socketId ? 'float-right' : ''
+                  }`}
+                  style={{ height: '24px' }}
+                  src={userImage}
+                />
+                {msg.userId}: {msg.text}
+              </ListGroup.Item>
+            ))}
+            <div
+              style={{ float: 'left', clear: 'both' }}
+              ref={el => {
+                this.messagesEnd = el
+              }}
+            />
+          </ListGroup>
+        </Card.Body>
+        <Card.Body>
+          <Form onSubmit={this.handleSubmit}>
+            <Form.Group as={Row}>
+              <Col xs={9} sm={10}>
+                <Form.Control
+                  name="text"
+                  autoComplete="off"
+                  value={this.state.text}
+                  onChange={this.handleChange}
+                  onKeyDown={this.handleKey}
+                />
+              </Col>
+              <Col xs={1} sm={2}>
+                <Button
+                  type="submit"
+                  variant="dark"
+                  onSubmit={this.handleSubmit}
+                >
+                  Send
+                </Button>
+              </Col>
+            </Form.Group>
+          </Form>
+          {this.state.typing ? (
+            <div style={{ height: '2em' }}>Someone is typing...</div>
+          ) : (
+            <div style={{ height: '2em' }} />
+          )}
+        </Card.Body>
       </Card>
     )
   }

src/components/ControlPanel.js

@@ -1,36 +0,0 @@
-import React from 'react'
-import { Card, Image, Row, Col } from 'react-bootstrap'
-
-const ControlPanel = props => {
-  const {
-    typing,
-    userNick,
-    userImage,
-    handleChange,
-    editNick,
-    toggleNick,
-  } = props
-  return (
-    <Card.Body>
-      <Row>
-        <Col>{typing ? 'Someone is typing...' : ''}</Col>
-        <Col>
-          <div variant="secondary" onClick={toggleNick}>
-            <div className="float-right">
-              <Image style={{ height: '24px' }} src={userImage} />
-            </div>
-            <input
-              value={userNick}
-              name="userNick"
-              onChange={handleChange}
-              className={editNick ? '' : 'plaintext'}
-              onSubmit={toggleNick}
-            />
-          </div>
-        </Col>
-      </Row>
-    </Card.Body>
-  )
-}
-
-export default ControlPanel

src/components/MessageEntry.js

@@ -1,30 +0,0 @@
-import React from 'react'
-import { Card, Form, Row, Col, Button } from 'react-bootstrap'
-
-const MessageEntry = props => {
-  const { handleSubmit, handleChange, handleKey, text } = props
-  return (
-    <Card.Body>
-      <Form onSubmit={handleSubmit}>
-        <Form.Group as={Row}>
-          <Col xs={9} sm={10} md={10} lg={10}>
-            <Form.Control
-              name="text"
-              autoComplete="off"
-              value={text}
-              onChange={handleChange}
-              onKeyDown={handleKey}
-            />
-          </Col>
-          <Col xs={1} sm={2} md={2} lg={2}>
-            <Button type="submit" variant="dark" onSubmit={handleSubmit}>
-              Send
-            </Button>
-          </Col>
-        </Form.Group>
-      </Form>
-    </Card.Body>
-  )
-}
-
-export default MessageEntry

src/components/Messages.js

@@ -1,52 +0,0 @@
-import React from 'react'
-import { Card, ListGroup } from 'react-bootstrap'
-import SingleMessage from './SingleMessage'
-import uuid from 'uuid'
-
-class Messages extends React.Component {
-  constructor() {
-    super()
-    this.state = {}
-  }
-
-  componentDidMount() {
-    this.scrollToBottom()
-  }
-
-  componentDidUpdate() {
-    this.scrollToBottom()
-  }
-
-  scrollToBottom = () => {
-    this.messagesEnd.scrollIntoView({ behavior: 'smooth' })
-  }
-  render() {
-    const { user, messages } = this.props
-
-    return (
-      <Card.Body style={{ height: '60%' }}>
-        <ListGroup style={{ height: '100%', overflowY: 'hidden' }}>
-          {messages.map(msg => {
-            return (
-              <SingleMessage
-                key={uuid()}
-                user={user}
-                socketId={msg.socketId}
-                text={msg.text}
-              />
-            )
-          })}
-
-          <div
-            style={{ float: 'left', clear: 'both' }}
-            ref={el => {
-              this.messagesEnd = el
-            }}
-          />
-        </ListGroup>
-      </Card.Body>
-    )
-  }
-}
-
-export default Messages

src/components/SingleMessage.js

@@ -1,35 +0,0 @@
-import React from 'react'
-import { ListGroup, Image } from 'react-bootstrap'
-const SingleMessage = props => {
-  const { user, socketId, text } = props
-
-  if (user.socketId === socketId)
-    return (
-      <ListGroup.Item className="my-2">
-        <div className="p-2 bg-dark text-white float-right">
-          {text}
-          <div className="time_date">00:00 AM | July 14</div>
-        </div>
-      </ListGroup.Item>
-    )
-  return (
-    <ListGroup.Item className="my-2">
-      <div className="avatar float-left">
-        <Image
-          className="m-3"
-          style={{ height: '24px' }}
-          src={user.userImage}
-        />
-        <span className="username p-2 bg-white border border-secondary">
-          {user.socketId}
-        </span>
-      </div>
-      <div className="p-2 bg-light text-dark float-left">
-        {text}
-        <div className="time_date">00:00 AM | July 14</div>
-      </div>
-    </ListGroup.Item>
-  )
-}
-
-export default SingleMessage