import async from "async"; /** * Migration 8 * * Migration for replacing songId with youtubeId whereever it is used, and using songId for any song's _id uses * @param {object} MigrationModule - the MigrationModule * @returns {Promise} - returns promise */ export default async function migrate(MigrationModule) { const activityModel = await MigrationModule.runJob("GET_MODEL", { modelName: "activity" }, this); const playlistModel = await MigrationModule.runJob("GET_MODEL", { modelName: "playlist" }, this); const reportModel = await MigrationModule.runJob("GET_MODEL", { modelName: "report" }, this); const songModel = await MigrationModule.runJob("GET_MODEL", { modelName: "song" }, this); const stationModel = await MigrationModule.runJob("GET_MODEL", { modelName: "station" }, this); return new Promise((resolve, reject) => { async.waterfall( [ next => { this.log("INFO", `Migration 8. Finding activities with document version 1.`); activityModel.find({ documentVersion: 1 }, (err, activities) => { if (err) next(err); else { async.eachLimit( activities.map(activity => activity._doc), 1, (activity, next) => { const { payload } = activity; if (payload.songId) { payload.youtubeId = payload.songId; delete payload.songId; } if (payload.message) payload.message = payload.message .replaceAll(" { if (err) next(err); else { this.log("INFO", `Migration 8. Activities found: ${activities.length}.`); next(); } } ); } }); }, next => { this.log("INFO", `Migration 8. Finding playlists with document version 2.`); playlistModel.find({ documentVersion: 2 }, (err, playlists) => { if (err) next(err); else { async.eachLimit( playlists.map(playlist => playlist._doc), 1, (playlist, next) => { const songs = playlist.songs.map(song => { song.youtubeId = song.songId; delete song.songId; return song; }); playlistModel.updateOne({ _id: playlist._id }, { $set: { songs } }, next); }, err => { if (err) next(err); else { playlistModel.updateMany( { documentVersion: 2 }, { $set: { documentVersion: 3 } }, (err, res) => { if (err) next(err); else { this.log( "INFO", `Migration 8. Matched: ${res.n}, modified: ${res.nModified}, ok: ${res.ok}.` ); next(); } } ); } } ); } }); }, next => { this.log("INFO", `Migration 8. Finding reports with document version 1.`); reportModel.updateMany( { documentVersion: 1 }, { $set: { documentVersion: 2 }, $rename: { "song.songId": "song.youtubeId" } }, (err, res) => { if (err) next(err); else { this.log( "INFO", `Migration 8. Matched: ${res.n}, modified: ${res.nModified}, ok: ${res.ok}.` ); next(); } } ); }, next => { this.log("INFO", `Migration 8. Dropping indexes.`); songModel.collection.dropIndexes((err, res) => { if (err) next(err); else { this.log("INFO", `Migration 8. Dropped indexes: ${res}.`); next(); } }); }, next => { this.log("INFO", `Migration 8. Finding spmgs with document version 3.`); songModel.updateMany( { documentVersion: 3 }, { $set: { documentVersion: 4 }, $rename: { songId: "youtubeId" } }, (err, res) => { if (err) next(err); else { this.log( "INFO", `Migration 8. Matched: ${res.n}, modified: ${res.nModified}, ok: ${res.ok}.` ); next(); } } ); }, next => { this.log("INFO", `Migration 8. Finding stations with document version 3.`); stationModel.find({ documentVersion: 4 }, (err, stations) => { if (err) next(err); else { async.eachLimit( stations.map(station => station._doc), 1, (station, next) => { const queue = station.queue.map(song => { song.youtubeId = song.songId; delete song.songId; return song; }); stationModel.updateOne({ _id: station._id }, { $set: { queue } }, next); }, err => { if (err) next(err); else { stationModel.updateMany( { documentVersion: 4, currentSong: { $ne: null } }, { $set: { documentVersion: 5 }, $rename: { "currentSong.songId": "currentSong.youtubeId" } }, (err, res) => { if (err) next(err); else { this.log( "INFO", `Migration 8. Matched: ${res.n}, modified: ${res.nModified}, ok: ${res.ok}.` ); stationModel.updateMany( { documentVersion: 4, currentSong: null }, { $set: { documentVersion: 5 } }, (err, res) => { if (err) next(err); else { this.log( "INFO", `Migration 8. Matched: ${res.n}, modified: ${res.nModified}, ok: ${res.ok}.` ); next(); } } ); } } ); } } ); } }); } ], err => { if (err) { reject(new Error(err)); } else { resolve(); } } ); }); }