From f470636a70943a8ecad8bddc791a1c2dddd28e1e Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sat, 4 May 2019 21:13:12 +0300
Subject: Components -> UI

---
 vnext/src/ui/Chat.js | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 vnext/src/ui/Chat.js

(limited to 'vnext/src/ui/Chat.js')

diff --git a/vnext/src/ui/Chat.js b/vnext/src/ui/Chat.js
new file mode 100644
index 00000000..a1254a10
--- /dev/null
+++ b/vnext/src/ui/Chat.js
@@ -0,0 +1,85 @@
+import React, { useEffect, useState, useCallback } from 'react';
+import PropTypes from 'prop-types';
+import ReactRouterPropTypes from 'react-router-prop-types';
+import { UserType } from './Types';
+import moment from 'moment';
+
+import PM from './PM';
+import MessageInput from './MessageInput';
+import UserInfo from './UserInfo';
+
+import { getChat, pm } from '../api';
+
+import './Chat.css';
+
+export default function Chat(props) {
+    const [chats, setChats] = useState([]);
+    useEffect(() => {
+        if (props.connection.addEventListener) {
+            props.connection.addEventListener('msg', onMessage);
+        }
+        loadChat(props.match.params.user);
+        console.log(props.connection);
+        return () => {
+            if (props.connection.removeEventListener) {
+                props.connection.removeEventListener('msg', onMessage);
+            }
+        };
+    }, [props.connection, onMessage, loadChat, props.match.params.user]);
+
+    let loadChat = useCallback((uname) => {
+        const { hash } = props.visitor;
+        setChats([]);
+        if (hash && uname) {
+            getChat(uname)
+                .then(response => {
+                    setChats(response.data);
+                });
+        }
+    }, [props.visitor]);
+
+    let onMessage = useCallback((json) => {
+        const msg = JSON.parse(json.data);
+        if (msg.user.uname === props.match.params.user) {
+            setChats((oldChat) => {
+                return [msg, ...oldChat];
+            });
+        }
+    }, [props.match.params.user]);
+
+    let onSend = (template) => {
+        pm(template.to.uname, template.body)
+            .then(res => {
+                loadChat(props.match.params.user);
+            }).catch(console.log);
+    };
+    const uname = props.match.params.user;
+    return (
+        <div className="msg-cont">
+            <UserInfo user={uname} />
+            {uname ? (
+                <div className="chatroom">
+                    <ul className="Chat_messages">
+                        {
+                            chats.map((chat) =>
+                                <PM key={moment.utc(chat.timestamp).valueOf()} chat={chat} {...props} />
+                            )
+                        }
+                    </ul>
+                    <MessageInput data={{ mid: 0, timestamp: '0', to: { uname: uname } }} onSend={onSend}>
+                        Reply...
+                            </MessageInput>
+                </div>
+            ) : (
+                    <div className="chatroom no-selection"><p>No chat selected</p></div>
+                )
+            }
+        </div>
+    );
+}
+
+Chat.propTypes = {
+    visitor: UserType.isRequired,
+    match: ReactRouterPropTypes.match.isRequired,
+    connection: PropTypes.object.isRequired
+};
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