ionian/src/client/page/contentinfo.tsx
2021-02-22 23:08:30 +09:00

107 lines
No EOL
3.6 KiB
TypeScript

import React, { useState, useEffect, useContext } from 'react';
import { Redirect, Route, Switch, useHistory, useRouteMatch, match as MatchType, Link as RouterLink, useParams, useLocation } from 'react-router-dom';
import ContentAccessor, { Content } from '../accessor/contents';
import { LoadingCircle } from '../component/loading';
import { Link, Paper, makeStyles, Theme, Box, useTheme, Typography } from '@material-ui/core';
import {ArrowBack as ArrowBackIcon } from '@material-ui/icons';
import { getPresenter } from './reader/reader';
import { ContentInfo, Headline, NavItem, NavList } from '../component/mod';
import {BackLinkContext} from '../state';
export const makeContentInfoUrl = (id: number) => `/doc/${id}`;
export const makeMangaReaderUrl = (id: number) => `/doc/${id}/reader`;
type ContentState = {
content: Content | undefined,
notfound: boolean,
}
const useStyles = makeStyles((theme:Theme)=>({
noPaddingContent:{
display:'flex',
flexDirection: 'column',
flexGrow: 1,
},
noPaddingToolbar:{
flex: '0 1 auto',
...theme.mixins.toolbar,
}
}));
export const ContentAbout = (prop: { match: MatchType }) => {
const match = useRouteMatch<{id:string}>("/doc/:id");
if (match == null) {
throw new Error("unreachable");
}
const id = Number.parseInt(match.params['id']);
const [info, setInfo] = useState<ContentState>({ content: undefined, notfound:false });
const location = useLocation();
console.log("state : "+location.state);
const menu_list = (link?:string)=>(
<NavList>
<BackLinkContext.Consumer>
{
(ctx) => link === undefined ?
<NavItem name="Back" to={ctx.path} icon={<ArrowBackIcon/>}/>
: <NavItem name="Back" to={link} icon={<ArrowBackIcon/>}/>
}
</BackLinkContext.Consumer>
</NavList>
);
useEffect(() => {
(async () => {
console.log("mount content about");
if (!isNaN(id)) {
const c = await ContentAccessor.findById(id);
setInfo({ content: c, notfound: c === undefined });
}
})()
return ()=>{console.log("unmount content about")}
}, []);
const classes = useStyles();
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.content === undefined) {
return (<Headline menu={menu_list()}>
<LoadingCircle />
</Headline>
);
}
else{
const ReaderPage = getPresenter(info.content);
return (<Switch>
<Route exact path={`${prop.match.path}/:id`}>
<Headline menu={menu_list()}>
<ContentInfo content={info.content}></ContentInfo>
</Headline>
</Route>
<Route exact path={`${prop.match.path}/:id/reader`}>
<Headline menu={menu_list(`${prop.match.path}/${id}`)} classes={{
content:classes.noPaddingContent,
toolbar:classes.noPaddingToolbar
}}>
<ReaderPage content={info.content}></ReaderPage>
</Headline>
</Route>
<Route>
<Headline menu={menu_list()}>
<div>404 Not Found invalid url : {prop.match.path}</div>
</Headline>
</Route>
</Switch>);
}
}