lbry-desktop/ui/page/show/view.jsx
2020-02-14 11:42:38 -05:00

134 lines
4.1 KiB
JavaScript

// @flow
import React, { useEffect } from 'react';
import { Redirect } from 'react-router-dom';
import { parseURI } from 'lbry-redux';
import BusyIndicator from 'component/common/busy-indicator';
import ChannelPage from 'page/channel';
import FilePage from 'page/file';
import Page from 'component/page';
import Button from 'component/button';
import { SITE_TITLE } from 'config';
import Card from 'component/common/card';
import AbandonedChannelPreview from 'component/abandonedChannelPreview';
import { formatLbryUrlForWeb } from 'util/url';
type Props = {
isResolvingUri: boolean,
resolveUri: string => void,
isSubscribed: boolean,
uri: string,
claim: StreamClaim,
location: UrlLocation,
blackListedOutpoints: Array<{
txid: string,
nout: number,
}>,
title: string,
claimIsMine: Boolean,
};
function ShowPage(props: Props) {
const {
isResolvingUri,
resolveUri,
uri,
claim,
blackListedOutpoints,
location,
title,
claimIsMine,
isSubscribed,
} = props;
const { channelName, streamName } = parseURI(uri);
const signingChannel = claim && claim.signing_channel;
const canonicalUrl = claim && claim.canonical_url;
const claimExists = claim !== null && claim !== undefined;
const haventFetchedYet = claim === undefined;
useEffect(() => {
// @if TARGET='web'
if (canonicalUrl) {
const canonicalUrlPath = '/' + canonicalUrl.replace(/^lbry:\/\//, '').replace(/#/g, ':');
if (canonicalUrlPath !== window.location.pathname) {
history.replaceState(history.state, '', canonicalUrlPath);
}
}
// @endif
if ((resolveUri && !isResolvingUri && uri && haventFetchedYet) || (claimExists && !canonicalUrl)) {
resolveUri(uri);
}
}, [resolveUri, isResolvingUri, canonicalUrl, uri, claimExists, haventFetchedYet]);
useEffect(() => {
if (title) {
document.title = title;
} else if (streamName) {
document.title = streamName;
} else if (channelName) {
document.title = channelName;
} else {
document.title = IS_WEB ? SITE_TITLE : 'LBRY';
}
return () => {
document.title = IS_WEB ? SITE_TITLE : 'LBRY';
};
}, [title, channelName, streamName]);
// Don't navigate directly to repost urls
// Always redirect to the actual content
// Also need to add repost_url to the Claim type for flow
// $FlowFixMe
if (claim && claim.repost_url === uri) {
const newUrl = formatLbryUrlForWeb(claim.canonical_url);
return <Redirect to={newUrl} />;
}
let innerContent = '';
if (!claim || (claim && !claim.name)) {
innerContent = (
<Page>
{(claim === undefined || isResolvingUri) && <BusyIndicator message={__('Loading decentralized data...')} />}
{!isResolvingUri && !isSubscribed && (
<span className="empty">{__("There's nothing available at this location.")}</span>
)}
{!isResolvingUri && isSubscribed && claim === null && <AbandonedChannelPreview uri={uri} type={'large'} />}
</Page>
);
} else if (claim.name.length && claim.name[0] === '@') {
innerContent = <ChannelPage uri={uri} location={location} />;
} else if (claim && blackListedOutpoints) {
let isClaimBlackListed = false;
isClaimBlackListed = blackListedOutpoints.some(
outpoint =>
(signingChannel && outpoint.txid === signingChannel.txid && outpoint.nout === signingChannel.nout) ||
(outpoint.txid === claim.txid && outpoint.nout === claim.nout)
);
if (isClaimBlackListed && !claimIsMine) {
innerContent = (
<Page>
<Card
title={uri}
subtitle={__(
'In response to a complaint we received under the US Digital Millennium Copyright Act, we have blocked access to this content from our applications.'
)}
actions={
<div className="card__actions">
<Button button="link" href="https://lbry.com/faq/dmca" label={__('Read More')} />
</div>
}
/>
</Page>
);
} else {
innerContent = <FilePage uri={uri} location={location} />;
}
}
return innerContent;
}
export default ShowPage;