ionian/src/client/page/contentinfo.tsx
2022-04-20 01:07:15 +09:00

87 lines
No EOL
2.6 KiB
TypeScript

import React, { useState, useEffect} from 'react';
import { Route, Routes, useLocation, useParams } from 'react-router-dom';
import DocumentAccessor, { Document } from '../accessor/document';
import { LoadingCircle } from '../component/loading';
import { Theme, Typography } from '@mui/material';
import { getPresenter } from './reader/reader';
import { CommonMenuList, ContentInfo, Headline } from '../component/mod';
import {NotFoundPage} from './404';
export const makeContentInfoUrl = (id: number) => `/doc/${id}`;
export const makeComicReaderUrl = (id: number) => `/doc/${id}/reader`;
type DocumentState = {
doc: Document | undefined,
notfound: boolean,
}
const styles = ((theme:Theme)=>({
noPaddingContent:{
display:'flex',
flexDirection: 'column',
flexGrow: 1,
},
noPaddingToolbar:{
flex: '0 1 auto',
...theme.mixins.toolbar,
}
}));
export const DocumentAbout = (prop?: {}) => {
const location = useLocation();
const match = useParams<{id:string}>();
if (match == null) {
throw new Error("unreachable");
}
const id = Number.parseInt(match.id);
const [info, setInfo] = useState<DocumentState>({ doc: undefined, notfound:false });
const menu_list = (link?:string) => <CommonMenuList url={link}></CommonMenuList>;
useEffect(() => {
(async () => {
if (!isNaN(id)) {
const c = await DocumentAccessor.findById(id);
setInfo({ doc: c, notfound: c === undefined });
}
})();
}, []);
if (isNaN(id)) {
return (
<Headline menu={menu_list()}>
<Typography variant='h2'>Oops. Invalid ID</Typography>
</Headline>
);
}
else if(info.notfound){
return (
<Headline menu={menu_list()}>
<Typography variant='h2'>Content has been removed.</Typography>
</Headline>
)
}
else if (info.doc === undefined) {
return (<Headline menu={menu_list()}>
<LoadingCircle />
</Headline>
);
}
else{
const ReaderPage = getPresenter(info.doc);
return (<Routes>
<Route path={`:id`}>
<Headline menu={menu_list()}>
<ContentInfo document={info.doc}></ContentInfo>
</Headline>
</Route>
<Route path={`:id/reader`}>
<Headline menu={menu_list(location.pathname)}>
<ReaderPage doc={info.doc}></ReaderPage>
</Headline>
</Route>
<Route>
<NotFoundPage></NotFoundPage>
</Route>
</Routes>);
}
}