epq-web/src/Chat/MessageDisplay.tsx

60 lines
1.9 KiB
TypeScript

import React, { useContext } from "react";
import { Message, MessageType } from "./messageTypes";
import { LangContext } from "../context";
import strings from "../Intl/strings.json";
import "./MessageDisplay.css";
export const MessageDisplay = ({
type,
fromUserId,
toUserId,
content,
timeMillis,
}: Message): React.ReactElement<Message> => {
const dateTime: Date = new Date(timeMillis);
const lang = useContext(LangContext);
const msgPage = strings[lang].chat;
/* FIXED funny error
* DESCRIPTION
* The line below was
* return (<p>[{dateTime.toLocaleString(Intl.DateTimeFormat().resolvedOptions().timeZone)}]...</p>)
* The line incorrectly generated a value of "UTC" as the parameter to toLocaleString()
* While "UTC" is an accepted string value, in EEST, aka. "Europe/Athens" timezone string is not an acceptable parameter.
* This caused the return statement to fail, and the message fails to render, despite it being correctly committed to the db.
* Funny clown moment 🤡
*/
const timeString = `${
dateTime.getHours() > 12
? dateTime.getHours() - 12
: dateTime.getHours()
}:${dateTime.getMinutes()} ${dateTime.getHours() > 12 ? "PM" : "AM"}`;
switch (type) {
case MessageType.HELLO as MessageType:
return (
<p className="msg">
[{timeString}]{" "}
{msgPage.joinMessage.replace("$userName", fromUserId)}
</p>
);
case MessageType.MESSAGE as MessageType:
return (
<p className="msg">
[{timeString}]{" "}
{msgPage.serverMessage
.replace("$userName", fromUserId)
.replace("$content", content)}
</p>
);
case MessageType.DATA as MessageType:
return <></>;
case MessageType.CHNAME as MessageType:
return <></>;
default:
console.error("Illegal MessageType reported!");
return (
<p className="msg-err">
[{timeString}] **THIS MESSAGE CANNOT BE CORRECTLY SHOWN
BECAUSE THE CLIENT ENCOUNTERED AN ERROR**
</p>
);
}
};