77 lines
2.5 KiB
TypeScript
77 lines
2.5 KiB
TypeScript
import type { stream } from './types.ts';
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const readFiles = async (files: File[]): Promise<stream[]> => {
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const streams: stream[] = [];
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for (const file of files) {
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const fileUrl = URL.createObjectURL(file);
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try {
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const response = await fetch(fileUrl);
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const data = await response.json();
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streams.push(...data);
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} catch (error) {
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console.error('Error processing file:', error);
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}
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}
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return streams;
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}
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const getListenedTracks = (streams: stream[], startDate: string, endDate: string, limit: number = 100): stream[] => {
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const trackMap: Record<string, stream> = {};
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streams.forEach(stream => {
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if (stream.ts < startDate || stream.ts > endDate || !stream.spotify_track_uri) {
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return; // Skip streams outside the date range
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}
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if (!trackMap[stream.spotify_track_uri]) {
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trackMap[stream.spotify_track_uri] = { ...stream, ms_played: 0 };
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}
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trackMap[stream.spotify_track_uri].ms_played += stream.ms_played;
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});
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const sortedTracks = Object.values(trackMap).sort((a, b) => b.ms_played - a.ms_played);
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return sortedTracks.slice(0, limit);
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}
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const getListenedArtists = (streams: stream[], startDate: string, endDate: string, limit: number = 100): stream[] => {
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const artistMap: Record<string, stream> = {};
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streams.forEach(stream => {
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if (stream.ts < startDate || stream.ts > endDate) {
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return; // Skip streams outside the date range
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}
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if (!artistMap[stream.master_metadata_album_artist_name]) {
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artistMap[stream.master_metadata_album_artist_name] = { ...stream, ms_played: 0 };
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}
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artistMap[stream.master_metadata_album_artist_name].ms_played += stream.ms_played;
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});
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const sortedArtists = Object.values(artistMap).sort((a, b) => b.ms_played - a.ms_played);
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return sortedArtists.slice(0, limit);
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}
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const getFirstStreamDate = (streams: stream[]): string => {
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if (streams.length === 0) return '';
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return streams.reduce((earliest, stream) => {
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return stream.ts < earliest ? stream.ts : earliest;
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}, streams[0].ts);
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}
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const getLastStreamDate = (streams: stream[]): string => {
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if (streams.length === 0) return '';
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return streams.reduce((latest, stream) => {
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return stream.ts > latest ? stream.ts : latest;
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}, streams[0].ts);
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}
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export {
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readFiles,
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getListenedTracks,
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getListenedArtists,
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getFirstStreamDate,
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getLastStreamDate
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} |