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GitHub Repository: sagemathinc/cocalc
 Path: blob/master/src/packages/next/pages/404.tsx
Views: 687
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/*

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 *  This file is part of CoCalc: Copyright © 2022 Sagemath, Inc.

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 *  License: MS-RSL – see LICENSE.md for details

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 */

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import { useEffect, useState } from "react";

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import { join } from "path";

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import Head from "next/head";

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import Footer from "components/landing/footer";

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import LandingHeader from "components/landing/header";

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import { Layout } from "antd";

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import basePath from "lib/base-path";

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import { Icon } from "@cocalc/frontend/components/icon";

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import { COLORS } from "@cocalc/util/theme";

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import apiPost from "lib/api/post";

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import { MAX_WIDTH } from "lib/config";

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const favicon = join(basePath, "webapp/favicon-32x32.png");

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export default function Custom404() {

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  const [siteName, setSiteName] = useState<string>("");

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  useEffect(() => {

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    (async () => {

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      const customize = await apiPost("customize", { fields: ["siteName"] });

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      setSiteName(customize.siteName);

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    })();

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  }, []);

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  return (

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    <>

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      <Head>

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        <title>{`${siteName ? siteName + " – " : ""}404 Page Not Found`}</title>

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        <meta name="description" content="404 Page Not Found" />

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        <meta name="robots" content="noindex,nofollow" />

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        <link rel="icon" href={favicon} />

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      </Head>

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      <Layout>

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        <LandingHeader />

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        <Layout.Content style={{ background: "white" }}>

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          <div

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            style={{

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              color: "#555",

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              margin: "50px auto",

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              minHeight: "50vh",

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              maxWidth: MAX_WIDTH,

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              fontSize: "150%",

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            }}

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          >

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            <h1>

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              404 – Page Not Found

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              <span

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                style={{

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                  float: "right",

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                  fontSize: "200%",

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                  color: COLORS.ANTD_RED,

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                }}

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              >

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                <Icon name="robot" />

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              </span>

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            </h1>

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            <div>

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              <a href={`${basePath}/`}>

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                Back to {siteName ? `${siteName}'s ` : "the "} main page

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              </a>

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            </div>

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          </div>

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        </Layout.Content>

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        <Footer />

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      </Layout>

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    </>

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  );

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}

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