88 lines
2.7 KiB
JavaScript
88 lines
2.7 KiB
JavaScript
// @flow
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import { createSelector } from 'reselect';
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import { selectBlockedChannels } from 'redux/selectors/blocked';
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import { selectBlackListedOutpoints } from 'lbryinc';
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import { selectClaimsById } from 'lbry-redux';
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const selectState = state => state.comments || {};
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export const selectCommentsById = createSelector(selectState, state => state.commentById || {});
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export const selectIsFetchingComments = createSelector(selectState, state => state.isLoading);
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export const selectCommentsByClaimId = createSelector(selectState, selectCommentsById, (state, byId) => {
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const byClaimId = state.byId || {};
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const comments = {};
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// replace every comment_id in the list with the actual comment object
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Object.keys(byClaimId).forEach(claimId => {
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const commentIds = byClaimId[claimId];
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comments[claimId] = Array(commentIds === null ? 0 : commentIds.length);
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for (let i = 0; i < commentIds.length; i++) {
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comments[claimId][i] = byId[commentIds[i]];
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}
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});
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return comments;
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});
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// previously this used a mapping from claimId -> Array<Comments>
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/* export const selectCommentsById = createSelector(
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selectState,
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state => state.byId || {}
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); */
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export const selectCommentsByUri = createSelector(selectState, state => {
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const byUri = state.commentsByUri || {};
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const comments = {};
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Object.keys(byUri).forEach(uri => {
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const claimId = byUri[uri];
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if (claimId === null) {
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comments[uri] = null;
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} else {
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comments[uri] = claimId;
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}
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});
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return comments;
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});
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export const makeSelectCommentsForUri = (uri: string) =>
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createSelector(
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selectCommentsByClaimId,
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selectCommentsByUri,
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selectClaimsById,
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selectBlockedChannels,
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selectBlackListedOutpoints,
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(byClaimId, byUri, claimsById, blockedChannels, blacklistedOutpoints) => {
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const claimId = byUri[uri];
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const comments = byClaimId && byClaimId[claimId];
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const outpointMap = blacklistedOutpoints
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? blacklistedOutpoints.reduce((acc, val) => {
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const outpoint = `${val.txid}:${val.nout}`;
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return {
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...acc,
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[outpoint]: 1,
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};
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}, {})
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: {};
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return comments
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? comments.filter(comment => {
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const channelClaim = claimsById[comment.channel_id];
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// Return comment if `channelClaim` doesn't exist so the component knows to resolve the author
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if (channelClaim) {
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const outpoint = `${channelClaim.txid}:${channelClaim.nout}`;
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if (outpointMap[outpoint]) {
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return false;
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}
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}
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console.log('?');
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return !blockedChannels.includes(comment.channel_url);
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})
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: [];
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}
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);
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