Create utils.gs

Author: linomp

utils.gs

@@ -0,0 +1,163 @@
+/*
+
+Resources:
+
+- [Add a button on the sheet to run this script](https://www.benlcollins.com/apps-script/google-sheets-button/)
+- [Get client ID and client secret by creating an app in spotify dev dashboard](https://developer.spotify.com/dashboard/applications)
+- [Spotify API Explorer](https://developer.spotify.com/console/get-playlist-tracks/)
+
+*/
+
+var spotifyPlaylistUrl;
+var spotifyClientId;
+var spotifyClientSecret;
+
+var youtubePlaylistUrl;
+
+function importPlaylistContent(){  
+  spotifyPlaylistUrl = getCellText(5, 6); // hardcoded location in sheet: F5
+  playlistMarket = getCellText(6, 6); // hardcoded location in sheet: F6
+  spotifyClientId = getCellText(7, 6); // hardcoded location in sheet: F7
+  spotifyClientSecret = getCellText(8, 6); // hardcoded location in sheet: F8
+
+  const playlistId = parseSpotifyPlaylistId(spotifyPlaylistUrl);
+  const token = getToken();
+  const songs = getSongs(token, playlistId, playlistMarket);
+  const flattenedSongs = songs.map(song => ({"ARTIST": song.track.artists[0].name , "TRACK": song.track.name}))
+  writeSongstoSheet(['ARTIST', 'TRACK'], flattenedSongs);
+}
+
+function getCellText(row, col) {
+  var sheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
+  var cellValue = sheet.getRange(row, col).getValue();
+  return cellValue.toString();
+}
+
+
+function parseSpotifyPlaylistId(url) {
+  var regex = /playlist\/(\w+)/;
+  var match = url.match(regex);
+  
+  if (match && match[1]) {
+    return match[1];
+  } else {
+    throw new Error('Invalid Spotify playlist URL');
+  }
+}
+
+const getToken = function () {
+  const authorization = "Basic "+ Utilities.base64Encode(`${spotifyClientId}:${spotifyClientSecret}`);
+  const fetchParams = {
+    method: 'post',
+    payload: {'grant_type': 'client_credentials'},
+    headers: {'Authorization': authorization},
+    muteHttpExceptions: true
+  }
+  const replaceResponse = UrlFetchApp.fetch("https://accounts.spotify.com/api/token", fetchParams); 
+  return (JSON.parse(replaceResponse.getContentText())).access_token;
+}
+
+const getSongs = function(_token, playlistId, playlistMarket){  
+  const requestOptions = {
+    method: 'GET',
+    headers: {"Authorization": `Bearer ${_token}`},
+    redirect: 'follow',
+    muteHttpExceptions: true
+  };
+  const response = UrlFetchApp.fetch(`https://api.spotify.com/v1/playlists/${playlistId}/tracks?market=${playlistMarket}&fields=items(track(name%2Cartists(name)))`, requestOptions)
+
+  return (JSON.parse(response)).items
+}
+
+const writeSongstoSheet = function(_headings, _songs){
+  var outputRows = [];
+
+  _songs.forEach(function(song) {
+    outputRows.push(_headings.map(function(heading) {
+      return song[heading] || '';
+    }));
+  });
+
+  if (outputRows.length) {
+    // Add the headings - delete this next line if headings not required
+    outputRows.unshift(_headings);
+    // Clear any previous content (quick n dirty way)
+    SpreadsheetApp.getActiveSheet().getRange(1, 1, 2*outputRows.length, outputRows[0].length).clearContent();
+    // Write new stuff
+    SpreadsheetApp.getActiveSheet().getRange(1, 1, outputRows.length, outputRows[0].length).setValues(outputRows);
+  }
+}
+  
+function populateYoutubePlaylist() {  
+  youtubePlaylistUrl = getCellText(13,6) // hardcoded location in sheet: F13
+  var playlistId = getPlaylistIdFromUrl(youtubePlaylistUrl);
+
+  var sheet = SpreadsheetApp.getActiveSpreadsheet();
+  
+  var data = sheet.getRange('A:B').getValues();
+
+  for (var i = 1; i < data.length; i++) {
+    var artist = data[i][0];
+    var track = data[i][1]; 
+
+    if (!artist || !track){
+      break
+    }
+    
+    addToPlaylist(playlistId, artist, track);
+    Utilities.sleep(2000);
+  }
+}
+
+function getPlaylistIdFromUrl(url) {
+  var regex = /list=([^&]+)/;
+  var match = url.match(regex);
+  if (match && match[1]) {
+    return match[1];
+  } else {
+    throw new Error('Invalid playlist URL.');
+  }
+}
+
+function addToPlaylist(playlistId, artist, track) {
+  var videoId = getVideoId(artist, track);
+
+  var youtubeService = YouTube;
+
+  var playlistItem = {
+    snippet: {
+      playlistId: playlistId,
+      resourceId: {
+        kind: 'youtube#video',
+        videoId: videoId
+      }
+    }
+  };
+
+  try {
+    youtubeService.PlaylistItems.insert(playlistItem, 'snippet');
+    Logger.log('Video added to playlist successfully.');
+  } catch (error) {
+    Logger.log('Error adding video to playlist: ' + error);
+  }finally{
+    Utilities.sleep(2000);
+  }
+}
+
+function getVideoId(artist, track) {
+  var query = artist + ' ' + track;
+  var youtubeService = YouTube;
+  var searchResponse = youtubeService.Search.list('id', {
+    q: query,
+    type: 'video',
+    maxResults: 1,
+  });
+  Utilities.sleep(2000);
+
+  if (searchResponse.items && searchResponse.items.length > 0) {
+    var videoId = searchResponse.items[0].id.videoId;
+    return videoId;
+  } else {
+    Logger.log('No video found for artist and track: ' + artist + ' - ' + track);
+  } 
+}