275 lines
9.3 KiB
JavaScript
275 lines
9.3 KiB
JavaScript
// @flow
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import React, { useState } 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';
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import BlockButton from 'component/blockButton';
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import ShareButton from 'component/shareButton';
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import { Tabs, TabList, Tab, TabPanels, TabPanel } from 'component/common/tabs';
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import { withRouter } from 'react-router';
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import Button from 'component/button';
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import { formatLbryUrlForWeb } from 'util/url';
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import ChannelContent from 'component/channelContent';
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import ChannelAbout from 'component/channelAbout';
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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';
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import * as ICONS from 'constants/icons';
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import classnames from 'classnames';
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import * as MODALS from 'constants/modal_types';
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import { Form, FormField } from 'component/common/form';
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import ClaimPreview from 'component/claimPreview';
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import Icon from 'component/common/icon';
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import HelpLink from 'component/common/help-link';
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import debounce from 'util/debounce';
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import { DEBOUNCE_WAIT_DURATION_MS } from 'constants/search';
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const PAGE_VIEW_QUERY = `view`;
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const ABOUT_PAGE = `about`;
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const DISCUSSION_PAGE = `discussion`;
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const LIGHTHOUSE_URL = 'https://lighthouse.lbry.com/search';
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type Props = {
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uri: string,
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claim: ChannelClaim,
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title: ?string,
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cover: ?string,
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thumbnail: ?string,
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page: number,
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location: { search: string },
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history: { push: string => void },
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match: { params: { attribute: ?string } },
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channelIsMine: boolean,
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isSubscribed: boolean,
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channelIsBlocked: boolean,
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blackListedOutpoints: Array<{
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txid: string,
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nout: number,
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}>,
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openModal: (id: string, { uri: string, claimIsMine?: boolean, isSupport?: boolean }) => void,
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supportOption: boolean,
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fetchSubCount: string => void,
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subCount: number,
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};
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function ChannelPage(props: Props) {
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const {
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uri,
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title,
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cover,
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history,
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location,
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page,
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channelIsMine,
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thumbnail,
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claim,
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isSubscribed,
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channelIsBlocked,
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blackListedOutpoints,
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openModal,
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supportOption,
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fetchSubCount,
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subCount,
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} = props;
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const { channelName } = parseURI(uri);
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const { search } = location;
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const urlParams = new URLSearchParams(search);
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const currentView = urlParams.get(PAGE_VIEW_QUERY) || undefined;
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const { permanent_url: permanentUrl } = claim;
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const [editing, setEditing] = useState(false);
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const [thumbPreview, setThumbPreview] = useState(thumbnail);
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const [coverPreview, setCoverPreview] = useState(cover);
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const [searchQuery, setSearchQuery] = useState('');
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const [searchResults, setSearchResults] = useState(undefined);
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// passing callback to useState ensures it's only set on initial render. Without this, the debouncing wont work.
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const [performSearch] = useState(() => debounce(updateResults, DEBOUNCE_WAIT_DURATION_MS));
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const claimId = claim.claim_id;
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// If a user changes tabs, update the url so it stays on the same page if they refresh.
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// We don't want to use links here because we can't animate the tab change and using links
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// would alter the Tab label's role attribute, which should stay role="tab" to work with keyboards/screen readers.
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const tabIndex = currentView === ABOUT_PAGE || editing ? 1 : currentView === DISCUSSION_PAGE ? 2 : 0;
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function onTabChange(newTabIndex) {
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let url = formatLbryUrlForWeb(uri);
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let search = '?';
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if (newTabIndex === 0) {
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setSearchResults(null);
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search += `page=${page}`;
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} else if (newTabIndex === 1) {
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search += `${PAGE_VIEW_QUERY}=${ABOUT_PAGE}`;
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} else {
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search += `${PAGE_VIEW_QUERY}=${DISCUSSION_PAGE}`;
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}
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history.push(`${url}${search}`);
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}
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function handleSearch() {
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performSearch(searchQuery);
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}
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function updateResults(query) {
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// In order to display original search results, search results must be set to null. A query of '' should display original results.
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if (query === '') return setSearchResults(null);
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const url = generateFetchUrl(query);
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getResults(url);
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}
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function generateFetchUrl(query) {
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return `${LIGHTHOUSE_URL}?s=${encodeURIComponent(query)}&channel_id=${encodeURIComponent(claim.claim_id)}`;
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}
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function getResults(fetchUrl) {
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fetch(fetchUrl)
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.then(res => res.json())
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.then(results => {
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const urls = results.map(({ name, claimId }) => {
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return `lbry://${name}#${claimId}`;
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});
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setSearchResults(urls);
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})
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.catch(() => {
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setSearchResults(null);
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});
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}
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React.useEffect(() => {
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handleSearch();
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}, [searchQuery]);
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function handleInputChange(e) {
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const { value } = e.target;
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setSearchQuery(value);
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}
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let channelIsBlackListed = false;
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if (claim && blackListedOutpoints) {
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channelIsBlackListed = blackListedOutpoints.some(
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outpoint => outpoint.txid === claim.txid && outpoint.nout === claim.nout
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);
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}
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React.useEffect(() => {
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setSearchResults(null);
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setSearchQuery('');
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fetchSubCount(claimId);
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}, [uri, fetchSubCount, claimId]);
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return (
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<Page>
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<div className="card">
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<header className="channel-cover">
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<div className="channel__quick-actions">
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{!channelIsBlocked && !channelIsBlackListed && <ShareButton uri={uri} isChannel />}
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{!channelIsMine && (
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<Button
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button="alt"
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icon={ICONS.TIP}
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label={__('Tip')}
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title={__('Send a tip to this creator')}
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onClick={() => openModal(MODALS.SEND_TIP, { uri, channelIsMine, isSupport: false })}
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/>
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)}
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{(channelIsMine || (!channelIsMine && supportOption)) && (
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<Button
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button="alt"
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icon={ICONS.SUPPORT}
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label={__('Support')}
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title={__('Support this creator')}
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onClick={() => openModal(MODALS.SEND_TIP, { uri, channelIsMine, isSupport: true })}
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/>
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)}
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{!channelIsBlocked && (!channelIsBlackListed || isSubscribed) && <SubscribeButton uri={permanentUrl} />}
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{!isSubscribed && <BlockButton uri={permanentUrl} />}
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</div>
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{!editing && cover && (
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<img
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className={classnames('channel-cover__custom', { 'channel__image--blurred': channelIsBlocked })}
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src={cover}
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/>
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)}
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{editing && <img className="channel-cover__custom" src={coverPreview} />}
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{/* component that offers select/upload */}
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<div className="channel__primary-info">
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{!editing && (
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<ChannelThumbnail className="channel__thumbnail--channel-page" uri={uri} obscure={channelIsBlocked} />
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)}
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{editing && (
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<ChannelThumbnail
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className="channel__thumbnail--channel-page"
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uri={uri}
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thumbnailPreview={thumbPreview}
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/>
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)}
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<h1 className="channel__title">{title || '@' + channelName}</h1>
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{channelIsMine && !editing && (
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<Button button="alt" title={__('Edit')} onClick={() => setEditing(!editing)} icon={ICONS.EDIT} />
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)}
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<div className="channel__meta">
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<ClaimUri uri={uri} inline />
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<span>
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{subCount} {subCount !== 1 ? __('Subscribers') : __('Subscriber')}
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<HelpLink href="https://lbry.com/faq/views" />
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</span>
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</div>
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</div>
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</header>
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<Tabs onChange={onTabChange} index={tabIndex}>
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<TabList className="tabs__list--channel-page">
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<Tab disabled={editing}>{__('Content')}</Tab>
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<Tab>{editing ? __('Editing Your Channel') : __('About')}</Tab>
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<Tab disabled={editing}>{__('Comments')}</Tab>
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{/* only render searchbar on content page (tab index 0 === content page) */}
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{tabIndex === 0 ? (
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<Form onSubmit={handleSearch} className="wunderbar--inline">
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<Icon icon={ICONS.SEARCH} />
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<FormField
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className="wunderbar__input"
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value={searchQuery}
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onChange={handleInputChange}
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type="text"
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placeholder={__('Search')}
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/>
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</Form>
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) : (
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<div />
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)}
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</TabList>
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<TabPanels>
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<TabPanel>
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{searchResults ? (
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searchResults.map(url => <ClaimPreview key={url} uri={url} />)
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) : (
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<ChannelContent uri={uri} channelIsBlackListed={channelIsBlackListed} />
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)}
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</TabPanel>
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<TabPanel>
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{editing ? (
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<ChannelEdit
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uri={uri}
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setEditing={setEditing}
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updateThumb={v => setThumbPreview(v)}
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updateCover={v => setCoverPreview(v)}
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/>
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) : (
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<ChannelAbout uri={uri} />
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)}
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</TabPanel>
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<TabPanel>
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<ChannelDiscussion uri={uri} />
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</TabPanel>
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</TabPanels>
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</Tabs>
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</div>
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</Page>
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);
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}
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export default withRouter(ChannelPage);
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