madiator.com/ui/component/claimTilesDiscover/view.jsx
2021-08-16 12:11:25 +02:00

297 lines
9.2 KiB
JavaScript

// @flow
import { ENABLE_NO_SOURCE_CLAIMS, SIMPLE_SITE } from 'config';
import * as CS from 'constants/claim_search';
import type { Node } from 'react';
import React from 'react';
import { createNormalizedClaimSearchKey, MATURE_TAGS } from 'lbry-redux';
import ClaimPreviewTile from 'component/claimPreviewTile';
import { useHistory } from 'react-router';
import { getLivestreamOnlyOptions } from 'util/search';
/**
* Updates 'uris' by adding and/or moving active livestreams to the front of
* list.
* 'liveUris' is also updated with any entries that were moved to the
* front, for convenience.
*
* @param uris [Ref]
* @param liveUris [Ref]
* @param livestreamMap
* @param claimsByUri
* @param claimSearchByQuery
* @param options
*/
export function prioritizeActiveLivestreams(
uris: Array<string>,
liveUris: Array<string>,
livestreamMap: { [string]: any },
claimsByUri: { [string]: any },
claimSearchByQuery: { [string]: Array<string> },
options: any
) {
if (!livestreamMap || !uris) return;
const claimIsLive = (claim, liveChannelIds) => {
// This function relies on:
// 1. Only 1 actual livestream per channel (i.e. all other livestream-claims
// for that channel actually point to the same source).
// 2. 'liveChannelIds' needs to be pruned after being accounted for,
// otherwise all livestream-claims will be "live" (we'll only take the
// latest one as "live").
return (
claim &&
claim.value_type === 'stream' &&
claim.value.source === undefined &&
claim.signing_channel &&
liveChannelIds.includes(claim.signing_channel.claim_id)
);
};
let liveChannelIds = Object.keys(livestreamMap);
// 1. Collect active livestreams from the primary search to put in front.
uris.forEach((uri) => {
const claim = claimsByUri[uri];
if (claimIsLive(claim, liveChannelIds)) {
liveUris.push(uri);
// This live channel has been accounted for, so remove it.
liveChannelIds.splice(liveChannelIds.indexOf(claim.signing_channel.claim_id), 1);
}
});
// 2. Now, repeat on the secondary search.
if (options) {
const livestreamsOnlySearchCacheQuery = createNormalizedClaimSearchKey(getLivestreamOnlyOptions(options));
const livestreamsOnlyUris = claimSearchByQuery[livestreamsOnlySearchCacheQuery];
if (livestreamsOnlyUris) {
livestreamsOnlyUris.forEach((uri) => {
const claim = claimsByUri[uri];
if (!uris.includes(uri) && claimIsLive(claim, liveChannelIds)) {
liveUris.push(uri);
// This live channel has been accounted for, so remove it.
liveChannelIds.splice(liveChannelIds.indexOf(claim.signing_channel.claim_id), 1);
}
});
}
}
// 3. Finalize uris by putting live livestreams in front.
const newUris = liveUris.concat(uris.filter((uri) => !liveUris.includes(uri)));
uris.splice(0, uris.length, ...newUris);
}
// ****************************************************************************
// ClaimTilesDiscover
// ****************************************************************************
type Props = {
prefixUris?: Array<string>,
uris: Array<string>,
doClaimSearch: ({}) => void,
showNsfw: boolean,
hideReposts: boolean,
history: { action: string, push: (string) => void, replace: (string) => void },
claimSearchByQuery: { [string]: Array<string> },
fetchingClaimSearchByQuery: { [string]: boolean },
claimsByUri: { [string]: any },
// claim search options are below
tags: Array<string>,
blockedUris: Array<string>,
mutedUris: Array<string>,
claimIds?: Array<string>,
channelIds?: Array<string>,
pageSize: number,
orderBy?: Array<string>,
releaseTime?: string,
languages?: Array<string>,
claimType?: string | Array<string>,
streamTypes?: Array<string>,
timestamp?: string,
feeAmount?: string,
limitClaimsPerChannel?: number,
hasSource?: boolean,
hasNoSource?: boolean,
renderProperties?: (Claim) => ?Node,
liveLivestreamsFirst?: boolean,
livestreamMap?: { [string]: any },
pin?: boolean,
};
function ClaimTilesDiscover(props: Props) {
const {
doClaimSearch,
claimSearchByQuery,
claimsByUri,
showNsfw,
hideReposts,
// Below are options to pass that are forwarded to claim_search
tags,
channelIds,
claimIds,
orderBy,
pageSize = 8,
releaseTime,
languages,
claimType,
streamTypes,
timestamp,
feeAmount,
limitClaimsPerChannel,
fetchingClaimSearchByQuery,
hasSource,
hasNoSource,
renderProperties,
blockedUris,
mutedUris,
liveLivestreamsFirst,
livestreamMap,
// pin,
prefixUris,
} = props;
const { location } = useHistory();
const urlParams = new URLSearchParams(location.search);
const feeAmountInUrl = urlParams.get('fee_amount');
const feeAmountParam = feeAmountInUrl || feeAmount;
const mutedAndBlockedChannelIds = Array.from(new Set(mutedUris.concat(blockedUris).map((uri) => uri.split('#')[1])));
const liveUris = [];
const [prevUris, setPrevUris] = React.useState([]);
const options: {
page_size: number,
no_totals: boolean,
any_tags: Array<string>,
channel_ids: Array<string>,
claim_ids?: Array<string>,
not_channel_ids: Array<string>,
not_tags: Array<string>,
order_by: Array<string>,
languages?: Array<string>,
release_time?: string,
claim_type?: string | Array<string>,
timestamp?: string,
fee_amount?: string,
limit_claims_per_channel?: number,
stream_types?: Array<string>,
has_source?: boolean,
has_no_source?: boolean,
} = {
page_size: pageSize,
claim_type: claimType || undefined,
// no_totals makes it so the sdk doesn't have to calculate total number pages for pagination
// it's faster, but we will need to remove it if we start using total_pages
no_totals: true,
any_tags: tags || [],
not_tags: !showNsfw ? MATURE_TAGS : [],
any_languages: languages,
channel_ids: channelIds || [],
not_channel_ids: mutedAndBlockedChannelIds,
order_by: orderBy || ['trending_group', 'trending_mixed'],
stream_types:
streamTypes === null ? undefined : SIMPLE_SITE && !hasNoSource ? [CS.FILE_VIDEO, CS.FILE_AUDIO] : undefined,
};
if (ENABLE_NO_SOURCE_CLAIMS && hasNoSource) {
options.has_no_source = true;
} else if (hasSource || (!ENABLE_NO_SOURCE_CLAIMS && (!claimType || claimType === 'stream'))) {
options.has_source = true;
}
if (releaseTime) {
options.release_time = releaseTime;
}
if (feeAmountParam) {
options.fee_amount = feeAmountParam;
}
if (limitClaimsPerChannel) {
options.limit_claims_per_channel = limitClaimsPerChannel;
}
// https://github.com/lbryio/lbry-desktop/issues/3774
if (hideReposts) {
if (Array.isArray(options.claim_type)) {
options.claim_type = options.claim_type.filter((claimType) => claimType !== 'repost');
} else {
options.claim_type = ['stream', 'channel'];
}
}
if (claimType) {
options.claim_type = claimType;
}
if (timestamp) {
options.timestamp = timestamp;
}
if (claimIds) {
options.claim_ids = claimIds;
}
const mainSearchKey = createNormalizedClaimSearchKey(options);
const livestreamSearchKey = liveLivestreamsFirst
? createNormalizedClaimSearchKey(getLivestreamOnlyOptions(options))
: undefined;
let uris = (prefixUris || []).concat(claimSearchByQuery[mainSearchKey] || []);
const isLoading = fetchingClaimSearchByQuery[mainSearchKey];
if (liveLivestreamsFirst && livestreamMap) {
prioritizeActiveLivestreams(uris, liveUris, livestreamMap, claimsByUri, claimSearchByQuery, options);
}
// Don't use the query from createNormalizedClaimSearchKey for the effect since that doesn't include page & release_time
const optionsStringForEffect = JSON.stringify(options);
const shouldPerformSearch = !isLoading && uris.length === 0;
if (
prefixUris === undefined &&
(claimSearchByQuery[mainSearchKey] === undefined ||
(livestreamSearchKey && claimSearchByQuery[livestreamSearchKey] === undefined))
) {
// This is a new query and we don't have results yet ...
if (prevUris.length !== 0) {
// ... but we have previous results. Use it until new results are here.
uris = prevUris;
}
}
React.useEffect(() => {
if (shouldPerformSearch) {
const searchOptions = JSON.parse(optionsStringForEffect);
doClaimSearch(searchOptions);
if (liveLivestreamsFirst) {
doClaimSearch(getLivestreamOnlyOptions(searchOptions));
}
}
}, [doClaimSearch, shouldPerformSearch, optionsStringForEffect, liveLivestreamsFirst]);
React.useEffect(() => {
if (JSON.stringify(prevUris) !== JSON.stringify(uris) && !shouldPerformSearch) {
setPrevUris(uris);
}
}, [shouldPerformSearch, prevUris, uris]);
const resolveLive = (index) => {
if (liveLivestreamsFirst && livestreamMap && index < liveUris.length) {
return true;
}
return undefined;
};
return (
<ul className="claim-grid">
{uris && uris.length
? uris.map((uri, index) => (
<ClaimPreviewTile key={uri} uri={uri} properties={renderProperties} live={resolveLive(index)} />
))
: new Array(pageSize).fill(1).map((x, i) => <ClaimPreviewTile key={i} placeholder />)}
</ul>
);
}
export default ClaimTilesDiscover;