lbry-desktop/ui/page/channel/view.jsx

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// @flow
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import * as ICONS from 'constants/icons';
import React from 'react';
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import { parseURI } from 'lbry-redux';
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import Page from 'component/page';
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import SubscribeButton from 'component/subscribeButton';
import BlockButton from 'component/blockButton';
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import ShareButton from 'component/shareButton';
import { Tabs, TabList, Tab, TabPanels, TabPanel } from 'component/common/tabs';
import { useHistory } from 'react-router';
import Button from 'component/button';
import { formatLbryUrlForWeb } from 'util/url';
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import ChannelContent from 'component/channelContent';
import ChannelAbout from 'component/channelAbout';
import ChannelDiscussion from 'component/channelDiscussion';
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import ChannelThumbnail from 'component/channelThumbnail';
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import ChannelEdit from 'component/channelEdit';
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import ClaimUri from 'component/claimUri';
import classnames from 'classnames';
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import HelpLink from 'component/common/help-link';
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import ClaimSupportButton from 'component/claimSupportButton';
import YoutubeBadge from 'component/youtubeBadge';
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const PAGE_VIEW_QUERY = `view`;
const ABOUT_PAGE = `about`;
const DISCUSSION_PAGE = `discussion`;
const EDIT_PAGE = 'edit';
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type Props = {
uri: string,
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claim: ChannelClaim,
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title: ?string,
cover: ?string,
thumbnail: ?string,
page: number,
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match: { params: { attribute: ?string } },
channelIsMine: boolean,
isSubscribed: boolean,
channelIsBlocked: boolean,
blackListedOutpoints: Array<{
txid: string,
nout: number,
}>,
fetchSubCount: string => void,
subCount: number,
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pending: boolean,
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};
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function ChannelPage(props: Props) {
const {
uri,
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claim,
title,
cover,
page,
channelIsMine,
isSubscribed,
channelIsBlocked,
blackListedOutpoints,
fetchSubCount,
subCount,
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pending,
} = props;
const {
push,
goBack,
location: { search },
} = useHistory();
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const urlParams = new URLSearchParams(search);
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const currentView = urlParams.get(PAGE_VIEW_QUERY) || undefined;
const editInUrl = urlParams.get(PAGE_VIEW_QUERY) === EDIT_PAGE;
const [editing, setEditing] = React.useState(editInUrl);
const { channelName } = parseURI(uri);
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const { permanent_url: permanentUrl } = claim;
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const claimId = claim.claim_id;
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const formattedSubCount = Number(subCount).toLocaleString();
let channelIsBlackListed = false;
if (claim && blackListedOutpoints) {
channelIsBlackListed = blackListedOutpoints.some(
outpoint => outpoint.txid === claim.txid && outpoint.nout === claim.nout
);
}
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// If a user changes tabs, update the url so it stays on the same page if they refresh.
// We don't want to use links here because we can't animate the tab change and using links
// would alter the Tab label's role attribute, which should stay role="tab" to work with keyboards/screen readers.
const tabIndex = currentView === ABOUT_PAGE || editing ? 1 : currentView === DISCUSSION_PAGE ? 2 : 0;
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function onTabChange(newTabIndex) {
let url = formatLbryUrlForWeb(uri);
let search = '?';
if (newTabIndex === 0) {
search += `page=${page}`;
} else if (newTabIndex === 1) {
search += `${PAGE_VIEW_QUERY}=${ABOUT_PAGE}`;
} else {
search += `${PAGE_VIEW_QUERY}=${DISCUSSION_PAGE}`;
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}
push(`${url}${search}`);
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}
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function onDone() {
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setEditing(false);
goBack();
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}
React.useEffect(() => {
if (!channelIsMine && editing) {
setEditing(false);
}
if (channelIsMine && editing) {
push(`?${PAGE_VIEW_QUERY}=${EDIT_PAGE}`);
}
}, [channelIsMine, editing, push]);
React.useEffect(() => {
if (currentView === EDIT_PAGE) {
setEditing(true);
} else {
setEditing(false);
}
}, [currentView, setEditing]);
React.useEffect(() => {
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fetchSubCount(claimId);
}, [uri, fetchSubCount, claimId]);
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if (editing) {
return (
<Page
noFooter
noSideNavigation={editing}
backout={{
backFunction: onDone,
title: __('Editing @%channel%', { channel: channelName }),
simpleTitle: __('Editing'),
}}
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>
<ChannelEdit uri={uri} onDone={onDone} />
</Page>
);
}
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return (
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<Page noFooter>
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<ClaimUri uri={uri} />
<YoutubeBadge channelClaimId={claimId} />
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<header className="channel-cover">
<div className="channel__quick-actions">
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{!channelIsBlocked && !channelIsBlackListed && <ShareButton uri={uri} />}
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{!channelIsBlocked && <ClaimSupportButton uri={uri} />}
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{!channelIsBlocked && (!channelIsBlackListed || isSubscribed) && <SubscribeButton uri={permanentUrl} />}
{!isSubscribed && <BlockButton uri={permanentUrl} />}
</div>
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{cover && (
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<img
className={classnames('channel-cover__custom', { 'channel__image--blurred': channelIsBlocked })}
src={cover}
/>
)}
<div className="channel__primary-info">
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<ChannelThumbnail
className="channel__thumbnail--channel-page"
uri={uri}
obscure={channelIsBlocked}
allowGifs
/>
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<h1 className="channel__title">{title || '@' + channelName}</h1>
<div className="channel__meta">
<span>
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{formattedSubCount} {subCount !== 1 ? __('Followers') : __('Follower')}
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<HelpLink href="https://lbry.com/faq/views" />
</span>
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{channelIsMine && (
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<>
{pending ? (
<span>{__('Your changes will be live in a few minutes')}</span>
) : (
<Button
button="alt"
title={__('Edit')}
onClick={() => setEditing(!editing)}
icon={ICONS.EDIT}
iconSize={18}
disabled={pending}
/>
)}
</>
)}
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</div>
</div>
<div className="channel-cover__gradient" />
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</header>
<Tabs onChange={onTabChange} index={tabIndex}>
<TabList className="tabs__list--channel-page">
<Tab disabled={editing}>{__('Content')}</Tab>
<Tab>{editing ? __('Editing Your Channel') : __('About')}</Tab>
<Tab disabled={editing}>{__('Comments')}</Tab>
</TabList>
<TabPanels>
<TabPanel>
<ChannelContent uri={uri} channelIsBlackListed={channelIsBlackListed} />
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</TabPanel>
<TabPanel>
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<ChannelAbout uri={uri} />
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</TabPanel>
<TabPanel>
<ChannelDiscussion uri={uri} />
</TabPanel>
</TabPanels>
</Tabs>
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</Page>
);
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}
export default ChannelPage;