140 lines
4.6 KiB
JavaScript
Executable File
140 lines
4.6 KiB
JavaScript
Executable File
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var coreActions = require('../core/actions')
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var uiActions = require('../ui/actions')
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var helpers = require('../../helpers')
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/**
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* Send an ajax request
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*
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* @param dispatch obj
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* @param getState obj
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* @param endpoint = the action
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* @param params = string for any URL prarams to pass on
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**/
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const sendRequest = (dispatch, getState, endpoint) => {
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return new Promise((resolve, reject) => {
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var loader_key = helpers.generateGuid();
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dispatch(uiActions.startLoading(loader_key, 'genius_'+endpoint));
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var config = {
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method: 'GET',
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url: getState().genius.provider_url+endpoint,
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timeout: 10000
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};
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$.ajax(config).then(
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response => {
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dispatch(uiActions.stopLoading(loader_key));
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resolve(response);
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},
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(xhr, status, error) => {
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dispatch(uiActions.stopLoading(loader_key));
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reject({
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config: config,
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xhr: xhr,
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status: status,
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error: error
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});
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}
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)
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})
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}
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/**
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* Extract lyrics from a page
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* We don't get the lyrics in the API, so we need to 'scrape' the HTML page instead
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*
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* @param uri = track uri
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* @param result = lyrics result (title, url)
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**/
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export function getTrackLyrics(uri, url){
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return (dispatch, getState) => {
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dispatch({
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type: 'TRACK_LOADED',
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track: {
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uri: uri,
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lyrics: null,
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lyrics_url: null
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}
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});
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sendRequest(dispatch, getState, "?action=lyrics&url="+url)
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.then(
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response => {
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var html = $(response);
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var lyrics = html.find('.lyrics');
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if (lyrics.length > 0){
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lyrics = lyrics.first();
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lyrics.find('a').replaceWith(function(){
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return this.innerHTML;
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});
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var lyrics_html = lyrics.html();
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lyrics_html = lyrics_html.replace(/(\[)/g, '<span class="grey-text">[');
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lyrics_html = lyrics_html.replace(/(\])/g, ']</span>');
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dispatch({
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type: 'TRACK_LOADED',
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track: {
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uri: uri,
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lyrics: lyrics_html,
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lyrics_url: url
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}
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});
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}
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},
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error => {
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dispatch(coreActions.handleException(
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'Could not extract track lyrics',
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error
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));
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}
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);
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}
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}
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export function findTrackLyrics(track){
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return (dispatch, getState) => {
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var query = '';
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query += track.artists[0].name+' ';
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query += track.name;
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query = query.toLowerCase();
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query = query.replace(/\([^)]*\) */g, ''); // anything in circle-braces
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query = query.replace(/\([^[]*\] */g, ''); // anything in square-braces
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sendRequest(dispatch, getState, '?action=search&query='+encodeURIComponent(query))
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.then(
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response => {
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if (response.response.hits && response.response.hits.length > 0){
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var lyrics_results = [];
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for (var i = 0; i < response.response.hits.length; i++){
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lyrics_results.push({
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title: response.response.hits[i].result.full_title,
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url: response.response.hits[i].result.url
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});
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}
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dispatch({
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type: 'TRACK_LOADED',
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track: {
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uri: track.uri,
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lyrics_results: lyrics_results
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}
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});
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dispatch(getTrackLyrics(track.uri, lyrics_results[0].url));
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}
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},
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error => {
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dispatch(coreActions.handleException(
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'Could not get track info',
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error
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));
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}
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);
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}
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}
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