revite/src/pages/channels/Channel.tsx

import styled from "styled-components";
import { useEffect, useState } from "preact/hooks";
import ChannelHeader from "./ChannelHeader";
import { useParams, useHistory } from "react-router-dom";
import { MessageArea } from "./messaging/MessageArea";
import Checkbox from "../../components/ui/Checkbox";
import Button from "../../components/ui/Button";
// import { useRenderState } from "../../lib/renderer/Singleton";
import { isTouchscreenDevice } from "../../lib/isTouchscreenDevice";
import MessageBox from "../../components/common/messaging/MessageBox";
import { useChannel, useForceUpdate } from "../../context/revoltjs/hooks";
import MemberSidebar from "../../components/navigation/right/MemberSidebar";
import JumpToBottom from "../../components/common/messaging/bars/JumpToBottom";
import TypingIndicator from "../../components/common/messaging/bars/TypingIndicator";
import { Channel } from "revolt.js";
import VoiceHeader from "./voice/VoiceHeader";

const ChannelMain = styled.div`
    flex-grow: 1;
    display: flex;
    min-height: 0;
    overflow: hidden;
    flex-direction: row;
`;

const ChannelContent = styled.div`
    flex-grow: 1;
    display: flex;
    overflow: hidden;
    flex-direction: column;
`;

const AgeGate = styled.div`
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    user-select: none;
    padding: 12px;

    img {
        height: 150px;
    }

    .subtext {
        color: var(--secondary-foreground);
        margin-bottom: 12px;
        font-size: 14px;
    }

    .actions {
        margin-top: 20px;
        display: flex;
        gap: 12px;
    }
`;

export function Channel({ id }: { id: string }) {
    const ctx = useForceUpdate();
    const channel = useChannel(id, ctx);

    if (!channel) return null;

    if (channel.channel_type === 'VoiceChannel') {
        return <VoiceChannel channel={channel} />;
    } else {
        return <TextChannel channel={channel} />;
    }
}

function TextChannel({ channel }: { channel: Channel }) {
    const [ showMembers, setMembers ] = useState(true);

    if ((channel.channel_type === 'TextChannel' || channel.channel_type === 'Group') && channel.name.includes('nsfw')) {
        const goBack = useHistory();
        const [ consent, setConsent ] = useState(false);
        const [ ageGate, setAgeGate ] = useState(false);
        if (!ageGate) {
            return (
                <AgeGate>
                    <img src={"https://static.revolt.chat/emoji/mutant/26a0.svg"} draggable={false}/>
                    <h2>{channel.name}</h2>
                    <span className="subtext">This channel is marked as NSFW. <a href="#">Learn more</a></span>

                    <Checkbox checked={consent} onChange={v => setConsent(v)}>I confirm that I am at least 18 years old.</Checkbox>
                    <div className="actions">
                        <Button contrast onClick={() => goBack}>Go back</Button>
                        <Button contrast onClick={() => consent && setAgeGate(true)}>Enter Channel</Button>
                    </div>
                </AgeGate>
            )
        }
    }

    let id = channel._id;
    return <>
        <ChannelHeader channel={channel} toggleSidebar={() => setMembers(!showMembers)} />
        <ChannelMain>
            <ChannelContent>
                <VoiceHeader id={id} />
                <MessageArea id={id} />
                <TypingIndicator id={id} />
                <JumpToBottom id={id} />
                <MessageBox channel={channel} />
            </ChannelContent>
            { !isTouchscreenDevice && showMembers && <MemberSidebar channel={channel} /> }
        </ChannelMain>
    </>;
}

function VoiceChannel({ channel }: { channel: Channel }) {
    return <>
        <ChannelHeader channel={channel} />
        <VoiceHeader id={channel._id} />
    </>;
}

export default function() {
    const { channel } = useParams<{ channel: string }>();
    return <Channel id={channel} key={channel} />;
}