Files
outline/app/scenes/Document/Shared.tsx

141 lines
3.7 KiB
TypeScript

import { Location } from "history";
import { observer } from "mobx-react";
import * as React from "react";
import { Helmet } from "react-helmet";
import { RouteComponentProps, useLocation } from "react-router-dom";
import { useTheme } from "styled-components";
import DocumentModel from "~/models/Document";
import Error404 from "~/scenes/Error404";
import ErrorOffline from "~/scenes/ErrorOffline";
import Layout from "~/components/Layout";
import Sidebar from "~/components/Sidebar/Shared";
import useStores from "~/hooks/useStores";
import { NavigationNode } from "~/types";
import { OfflineError } from "~/utils/errors";
import Document from "./components/Document";
import Loading from "./components/Loading";
const EMPTY_OBJECT = {};
type Response = {
document: DocumentModel;
sharedTree?: NavigationNode | undefined;
};
type Props = RouteComponentProps<{
shareId: string;
documentSlug: string;
}> & {
location: Location<{ title?: string }>;
};
// Parse the canonical origin from the SSR HTML, only needs to be done once.
const canonicalUrl = document
.querySelector("link[rel=canonical]")
?.getAttribute("href");
const canonicalOrigin = canonicalUrl
? new URL(canonicalUrl).origin
: window.location.origin;
/**
* Find the document UUID from the slug given the sharedTree
*
* @param documentSlug The slug from the url
* @param response The response payload from the server
* @returns The document UUID, if found.
*/
function useDocumentId(documentSlug: string, response?: Response) {
let documentId;
function findInTree(node: NavigationNode) {
if (node.url.endsWith(documentSlug)) {
documentId = node.id;
return true;
}
if (node.children) {
for (const child of node.children) {
if (findInTree(child)) {
return true;
}
}
}
return false;
}
if (response?.sharedTree) {
findInTree(response.sharedTree);
}
return documentId;
}
function SharedDocumentScene(props: Props) {
const { ui } = useStores();
const theme = useTheme();
const location = useLocation();
const [response, setResponse] = React.useState<Response>();
const [error, setError] = React.useState<Error | null | undefined>();
const { documents } = useStores();
const { shareId, documentSlug } = props.match.params;
const documentId = useDocumentId(documentSlug, response);
// ensure the wider page color always matches the theme
React.useEffect(() => {
window.document.body.style.background = theme.background;
}, [theme]);
React.useEffect(() => {
if (documentId) {
ui.setActiveDocument(documentId);
}
}, [ui, documentId]);
React.useEffect(() => {
async function fetchData() {
try {
const response = await documents.fetchWithSharedTree(documentSlug, {
shareId,
});
setResponse(response);
} catch (err) {
setError(err);
}
}
fetchData();
}, [documents, documentSlug, shareId, ui]);
if (error) {
return error instanceof OfflineError ? <ErrorOffline /> : <Error404 />;
}
if (!response) {
return <Loading location={props.location} />;
}
const sidebar = response.sharedTree ? (
<Sidebar rootNode={response.sharedTree} shareId={shareId} />
) : undefined;
return (
<>
<Helmet>
<link
rel="canonical"
href={canonicalOrigin + location.pathname.replace(/\/$/, "")}
/>
</Helmet>
<Layout title={response.document.title} sidebar={sidebar}>
<Document
abilities={EMPTY_OBJECT}
document={response.document}
sharedTree={response.sharedTree}
shareId={shareId}
readOnly
/>
</Layout>
</>
);
}
export default observer(SharedDocumentScene);