forked from treehouse/mastodon
Track trending tags (#7638)
* Track trending tags - Half-life of 1 day - Historical usage in daily buckets (last 7 days stored) - GET /api/v1/trends Fix #271 * Add trends to web UI * Don't render compose form on search route, adjust search results header * Disqualify tag from trends if it's in disallowed hashtags setting * Count distinct accounts using tag, ignore silenced accountssignup-info-prompt
Eugen Rochko
GitHub
parent
63c7b91572
commit
9bd23dc4e5
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@ -0,0 +1,17 @@
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# frozen_string_literal: true
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class Api::V1::TrendsController < Api::BaseController
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before_action :set_tags
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respond_to :json
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def index
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render json: @tags, each_serializer: REST::TagSerializer
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end
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private
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def set_tags
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@tags = TrendingTags.get(limit_param(10))
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end
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end
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@ -0,0 +1,32 @@
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import api from '../api';
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export const TRENDS_FETCH_REQUEST = 'TRENDS_FETCH_REQUEST';
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export const TRENDS_FETCH_SUCCESS = 'TRENDS_FETCH_SUCCESS';
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export const TRENDS_FETCH_FAIL = 'TRENDS_FETCH_FAIL';
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export const fetchTrends = () => (dispatch, getState) => {
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dispatch(fetchTrendsRequest());
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api(getState)
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.get('/api/v1/trends')
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.then(({ data }) => dispatch(fetchTrendsSuccess(data)))
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.catch(err => dispatch(fetchTrendsFail(err)));
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};
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export const fetchTrendsRequest = () => ({
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type: TRENDS_FETCH_REQUEST,
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skipLoading: true,
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});
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export const fetchTrendsSuccess = trends => ({
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type: TRENDS_FETCH_SUCCESS,
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trends,
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skipLoading: true,
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});
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export const fetchTrendsFail = error => ({
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type: TRENDS_FETCH_FAIL,
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error,
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skipLoading: true,
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skipAlert: true,
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});
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@ -1,23 +1,75 @@
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import React from 'react';
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import PropTypes from 'prop-types';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import { FormattedMessage } from 'react-intl';
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import { FormattedMessage, FormattedNumber } from 'react-intl';
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import AccountContainer from '../../../containers/account_container';
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import StatusContainer from '../../../containers/status_container';
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import { Link } from 'react-router-dom';
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import ImmutablePureComponent from 'react-immutable-pure-component';
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import { Sparklines, SparklinesCurve } from 'react-sparklines';
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const shortNumberFormat = number => {
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if (number < 1000) {
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return <FormattedNumber value={number} />;
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} else {
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return <React.Fragment><FormattedNumber value={number / 1000} maximumFractionDigits={1} />K</React.Fragment>;
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}
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};
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export default class SearchResults extends ImmutablePureComponent {
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static propTypes = {
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results: ImmutablePropTypes.map.isRequired,
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trends: ImmutablePropTypes.list,
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fetchTrends: PropTypes.func.isRequired,
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};
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componentDidMount () {
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const { fetchTrends } = this.props;
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fetchTrends();
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}
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render () {
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const { results } = this.props;
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const { results, trends } = this.props;
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let accounts, statuses, hashtags;
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let count = 0;
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if (results.isEmpty()) {
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return (
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<div className='search-results'>
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<div className='trends'>
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<div className='trends__header'>
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<i className='fa fa-fire fa-fw' />
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<FormattedMessage id='trends.header' defaultMessage='Trending now' />
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</div>
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{trends && trends.map(hashtag => (
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<div className='trends__item' key={hashtag.get('name')}>
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<div className='trends__item__name'>
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<Link to={`/timelines/tag/${hashtag.get('name')}`}>
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#<span>{hashtag.get('name')}</span>
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</Link>
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<FormattedMessage id='trends.count_by_accounts' defaultMessage='{count} {rawCount, plural, one {person} other {people}} talking' values={{ rawCount: hashtag.getIn(['history', 0, 'accounts']), count: <strong>{shortNumberFormat(hashtag.getIn(['history', 0, 'accounts']))}</strong> }} />
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</div>
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<div className='trends__item__current'>
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{shortNumberFormat(hashtag.getIn(['history', 0, 'uses']))}
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</div>
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<div className='trends__item__sparkline'>
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<Sparklines width={50} height={28} data={hashtag.get('history').reverse().map(day => day.get('uses')).toArray()}>
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<SparklinesCurve style={{ fill: 'none' }} />
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</Sparklines>
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</div>
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</div>
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))}
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</div>
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</div>
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);
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}
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if (results.get('accounts') && results.get('accounts').size > 0) {
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count += results.get('accounts').size;
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accounts = (
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@ -48,7 +100,7 @@ export default class SearchResults extends ImmutablePureComponent {
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{results.get('hashtags').map(hashtag => (
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<Link key={hashtag} className='search-results__hashtag' to={`/timelines/tag/${hashtag}`}>
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#{hashtag}
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{hashtag}
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</Link>
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))}
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</div>
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@ -58,6 +110,7 @@ export default class SearchResults extends ImmutablePureComponent {
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return (
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<div className='search-results'>
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<div className='search-results__header'>
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<i className='fa fa-search fa-fw' />
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<FormattedMessage id='search_results.total' defaultMessage='{count, number} {count, plural, one {result} other {results}}' values={{ count }} />
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</div>
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@ -1,8 +1,14 @@
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import { connect } from 'react-redux';
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import SearchResults from '../components/search_results';
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import { fetchTrends } from '../../../actions/trends';
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const mapStateToProps = state => ({
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results: state.getIn(['search', 'results']),
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trends: state.get('trends'),
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});
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export default connect(mapStateToProps)(SearchResults);
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const mapDispatchToProps = dispatch => ({
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fetchTrends: () => dispatch(fetchTrends()),
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});
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export default connect(mapStateToProps, mapDispatchToProps)(SearchResults);
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@ -101,7 +101,7 @@ export default class Compose extends React.PureComponent {
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{(multiColumn || isSearchPage) && <SearchContainer /> }
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<div className='drawer__pager'>
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<div className='drawer__inner' onFocus={this.onFocus}>
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{!isSearchPage && <div className='drawer__inner' onFocus={this.onFocus}>
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<NavigationContainer onClose={this.onBlur} />
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<ComposeFormContainer />
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{multiColumn && (
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@ -109,7 +109,7 @@ export default class Compose extends React.PureComponent {
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<img alt='' draggable='false' src={elephantUIPlane} />
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</div>
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)}
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</div>
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</div>}
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<Motion defaultStyle={{ x: isSearchPage ? 0 : -100 }} style={{ x: spring(showSearch || isSearchPage ? 0 : -100, { stiffness: 210, damping: 20 }) }}>
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{({ x }) => (
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@ -26,6 +26,7 @@ import height_cache from './height_cache';
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import custom_emojis from './custom_emojis';
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import lists from './lists';
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import listEditor from './list_editor';
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import trends from './trends';
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const reducers = {
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dropdown_menu,
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@ -55,6 +56,7 @@ const reducers = {
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custom_emojis,
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lists,
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listEditor,
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trends,
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};
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export default combineReducers(reducers);
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@ -0,0 +1,13 @@
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import { TRENDS_FETCH_SUCCESS } from '../actions/trends';
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import { fromJS } from 'immutable';
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const initialState = null;
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export default function trendsReducer(state = initialState, action) {
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switch(action.type) {
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case TRENDS_FETCH_SUCCESS:
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return fromJS(action.trends);
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default:
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return state;
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}
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};
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@ -3334,9 +3334,15 @@ a.status-card {
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color: $dark-text-color;
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background: lighten($ui-base-color, 2%);
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border-bottom: 1px solid darken($ui-base-color, 4%);
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padding: 15px 10px;
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font-size: 14px;
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padding: 15px;
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font-weight: 500;
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font-size: 16px;
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cursor: default;
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.fa {
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display: inline-block;
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margin-right: 5px;
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}
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}
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.search-results__section {
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@ -5209,3 +5215,76 @@ noscript {
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background: $ui-base-color;
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}
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}
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.trends {
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&__header {
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color: $dark-text-color;
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background: lighten($ui-base-color, 2%);
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border-bottom: 1px solid darken($ui-base-color, 4%);
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font-weight: 500;
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padding: 15px;
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font-size: 16px;
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cursor: default;
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.fa {
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display: inline-block;
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margin-right: 5px;
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}
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}
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&__item {
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display: flex;
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align-items: center;
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padding: 15px;
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border-bottom: 1px solid lighten($ui-base-color, 8%);
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&:last-child {
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border-bottom: 0;
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}
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&__name {
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flex: 1 1 auto;
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color: $dark-text-color;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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strong {
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font-weight: 500;
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}
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a {
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color: $darker-text-color;
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text-decoration: none;
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font-size: 14px;
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font-weight: 500;
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display: block;
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&:hover,
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&:focus,
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&:active {
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span {
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text-decoration: underline;
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}
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}
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}
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}
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&__current {
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width: 100px;
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font-size: 24px;
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line-height: 36px;
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font-weight: 500;
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text-align: center;
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color: $secondary-text-color;
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}
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&__sparkline {
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width: 50px;
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path {
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stroke: lighten($highlight-text-color, 6%) !important;
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}
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}
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}
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}
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@ -21,6 +21,22 @@ class Tag < ApplicationRecord
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name
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end
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def history
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days = []
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7.times do |i|
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day = i.days.ago.beginning_of_day.to_i
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days << {
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day: day.to_s,
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uses: Redis.current.get("activity:tags:#{id}:#{day}") || '0',
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accounts: Redis.current.pfcount("activity:tags:#{id}:#{day}:accounts").to_s,
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}
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end
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days
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end
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class << self
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def search_for(term, limit = 5)
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pattern = sanitize_sql_like(term.strip) + '%'
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@ -0,0 +1,61 @@
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# frozen_string_literal: true
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class TrendingTags
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KEY = 'trending_tags'
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HALF_LIFE = 1.day.to_i
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MAX_ITEMS = 500
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EXPIRE_HISTORY_AFTER = 7.days.seconds
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class << self
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def record_use!(tag, account, at_time = Time.now.utc)
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return if disallowed_hashtags.include?(tag.name) || account.silenced?
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increment_vote!(tag.id, at_time)
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increment_historical_use!(tag.id, at_time)
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increment_unique_use!(tag.id, account.id, at_time)
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end
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def get(limit)
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tag_ids = redis.zrevrange(KEY, 0, limit).map(&:to_i)
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tags = Tag.where(id: tag_ids).to_a.map { |tag| [tag.id, tag] }.to_h
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tag_ids.map { |tag_id| tags[tag_id] }.compact
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end
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private
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def increment_vote!(tag_id, at_time)
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redis.zincrby(KEY, (2**((at_time.to_i - epoch) / HALF_LIFE)).to_f, tag_id.to_s)
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redis.zremrangebyrank(KEY, 0, -MAX_ITEMS) if rand < (2.to_f / MAX_ITEMS)
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end
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def increment_historical_use!(tag_id, at_time)
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key = "activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}"
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redis.incrby(key, 1)
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redis.expire(key, EXPIRE_HISTORY_AFTER)
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end
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def increment_unique_use!(tag_id, account_id, at_time)
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key = "activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}:accounts"
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redis.pfadd(key, account_id)
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redis.expire(key, EXPIRE_HISTORY_AFTER)
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end
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# The epoch needs to be 2.5 years in the future if the half-life is one day
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# While dynamic, it will always be the same within one year
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def epoch
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@epoch ||= Date.new(Date.current.year + 2.5, 10, 1).to_datetime.to_i
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end
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def disallowed_hashtags
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return @disallowed_hashtags if defined?(@disallowed_hashtags)
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@disallowed_hashtags = Setting.disallowed_hashtags.nil? ? [] : Setting.disallowed_hashtags
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@disallowed_hashtags = @disallowed_hashtags.split(' ') if @disallowed_hashtags.is_a? String
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@disallowed_hashtags = @disallowed_hashtags.map(&:downcase)
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end
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def redis
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Redis.current
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end
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end
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end
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@ -0,0 +1,11 @@
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# frozen_string_literal: true
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class REST::TagSerializer < ActiveModel::Serializer
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include RoutingHelper
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attributes :name, :url, :history
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def url
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tag_url(object)
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end
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end
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@ -4,8 +4,10 @@ class ProcessHashtagsService < BaseService
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def call(status, tags = [])
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tags = Extractor.extract_hashtags(status.text) if status.local?
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tags.map { |str| str.mb_chars.downcase }.uniq(&:to_s).each do |tag|
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status.tags << Tag.where(name: tag).first_or_initialize(name: tag)
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tags.map { |str| str.mb_chars.downcase }.uniq(&:to_s).each do |name|
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tag = Tag.where(name: name).first_or_create(name: name)
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status.tags << tag
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TrendingTags.record_use!(tag, status.account, status.created_at)
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end
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end
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end
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@ -254,6 +254,7 @@ Rails.application.routes.draw do
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resources :mutes, only: [:index]
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resources :favourites, only: [:index]
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resources :reports, only: [:index, :create]
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resources :trends, only: [:index]
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namespace :apps do
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get :verify_credentials, to: 'credentials#show'
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@ -97,6 +97,7 @@
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"react-redux-loading-bar": "^2.9.3",
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"react-router-dom": "^4.1.1",
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"react-router-scroll-4": "^1.0.0-beta.1",
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"react-sparklines": "^1.7.0",
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"react-swipeable-views": "^0.12.3",
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"react-textarea-autosize": "^5.2.1",
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"react-toggle": "^4.0.1",
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@ -6124,6 +6124,12 @@ react-router@^4.2.0:
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prop-types "^15.5.4"
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warning "^3.0.0"
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react-sparklines@^1.7.0:
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version "1.7.0"
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resolved "https://registry.yarnpkg.com/react-sparklines/-/react-sparklines-1.7.0.tgz#9b1d97e8c8610095eeb2ad658d2e1fcf91f91a60"
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dependencies:
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prop-types "^15.5.10"
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react-swipeable-views-core@^0.12.11:
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version "0.12.11"
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resolved "https://registry.yarnpkg.com/react-swipeable-views-core/-/react-swipeable-views-core-0.12.11.tgz#3cf2b4daffbb36f9d69bd19bf5b2d5370b6b2c1b"
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