b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
39 lines
No EOL
8.5 KiB
JavaScript
39 lines
No EOL
8.5 KiB
JavaScript
;;;'use strict';var Database=(function(){var playlists=[{id:'shuffle-all',index:'metadata.title',direction:'next',shuffle:true},{id:'highest-rated',index:'metadata.rated',direction:'prev',shuffle:false},{id:'recently-added',index:'date',direction:'prev',shuffle:false},{id:'most-played',index:'metadata.played',direction:'prev',shuffle:false},{id:'least-played',index:'metadata.played',direction:'next',shuffle:false}];var status={upgrading:false,unavailable:false,enumerable:false,ready:false};var resolveEnumerable;var enumerable=new Promise((resolve)=>{resolveEnumerable=resolve;});var resolveReady;var ready=new Promise((resolve)=>{resolveReady=resolve;});var dbChange=debounce(()=>service.broadcast('databaseChange'),500);document.addEventListener('DOMRetranslated',dbChange);function debounce(fn,ms){var timeout;return()=>{var args=arguments;clearTimeout(timeout);timeout=setTimeout(()=>fn.apply(this,args),ms);};}
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var musicdb;function init(){var excludedFolders=['Ringtones','Notifications','Alarms'];var excludeFilter=new RegExp('^(/[^/]*/)?('+excludedFolders.join('|')+')/','i');musicdb=new MediaDB('music',metadataParserWrapper,{indexes:['metadata.album','metadata.artist','metadata.title','metadata.rated','metadata.played','date'],excludeFilter:excludeFilter,batchSize:1,autoscan:false,updateRecord:updateRecord,reparsedRecord:reparsedRecord,version:3});function metadataParserWrapper(file,onsuccess,onerror){var scripts=['/js/metadata/metadata_scripts.js','/js/metadata/album_art.js'];LazyLoader.load(scripts).then(()=>{return AudioMetadata.parse(file);}).then((metadata)=>{return AlbumArt.process(file,metadata);}).then(onsuccess,onerror);}
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var startedReparsing=false;function updateRecord(record,oldVersion,newVersion){if(oldVersion===2){record.needsReparse=true;if(!startedReparsing){startedReparsing=true;service.broadcast('databaseUpgrade');}}
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return record.metadata;}
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function reparsedRecord(oldMetadata,newMetadata){newMetadata.rated=oldMetadata.rated;newMetadata.played=oldMetadata.played;return newMetadata;}
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musicdb.onupgrading=function(event){status.upgrading=true;status.enumerable=false;status.ready=false;service.broadcast('databaseUpgrade');};musicdb.onunavailable=function(event){var reason=event.detail===MediaDB.UNMOUNTED?'pluggedin':event.detail;onUnavailable(reason);};musicdb.oncardremoved=function(){service.broadcast('databaseChange');};function onUnavailable(reason){status.unavailable=reason;status.enumerable=false;status.ready=false;enumerable=new Promise((resolve)=>{resolveEnumerable=resolve;});ready=new Promise((resolve)=>{resolveReady=resolve;});service.broadcast('databaseUnavailable',reason);}
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musicdb.onenumerable=onEnumerable;var refreshOnReady=false;function onEnumerable(){if(musicdb.state===MediaDB.READY){onReady();}else{musicdb.onready=onReady;}
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status.upgrading=false;status.enumerable=true;resolveEnumerable();service.broadcast('databaseEnumerable');}
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function onReady(){musicdb.scan();status.unavailable=false;status.enumerable=true;status.ready=true;resolveEnumerable();resolveReady();service.broadcast('databaseReady',refreshOnReady);refreshOnReady=true;}
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var filesDeletedWhileScanning=0;var filesFoundWhileScanning=0;var filesFoundBatch=0;var scanning=false;var SCAN_UPDATE_BATCH_SIZE=25;var DELETE_BATCH_TIMEOUT=500;var deleteTimer=null;var firstScanDone=false;musicdb.onscanstart=function(){scanning=true;filesFoundWhileScanning=0;filesFoundBatch=0;filesDeletedWhileScanning=0;};musicdb.onscanend=function(){scanning=false;service.broadcast('scanStopped');if(filesFoundBatch>0||filesDeletedWhileScanning>0){filesFoundWhileScanning=0;filesFoundBatch=0;filesDeletedWhileScanning=0;dbChange();}
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if(!firstScanDone){firstScanDone=true;window.performance.mark('fullyLoaded');}};musicdb.oncreated=function(event){if(scanning){var metadata=event.detail[0].metadata;var n=event.detail.length;filesFoundWhileScanning+=n;filesFoundBatch+=n;service.broadcast('scanProgress',{count:filesFoundWhileScanning,artist:metadata.artist,title:metadata.title});if(filesFoundBatch>SCAN_UPDATE_BATCH_SIZE){filesFoundBatch=0;dbChange();}}
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else{dbChange();}};musicdb.ondeleted=function(event){if(scanning){filesDeletedWhileScanning+=event.detail.length;}
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else{if(deleteTimer){clearTimeout(deleteTimer);}
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deleteTimer=setTimeout(function(){deleteTimer=null;dbChange();},DELETE_BATCH_TIMEOUT);}};}
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function incrementPlayCount(fileinfo){return new Promise((resolve)=>{fileinfo.metadata.played++;musicdb.updateMetadata(fileinfo.name,{played:fileinfo.metadata.played},resolve);});}
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function setSongRating(fileinfo,rated){return new Promise((resolve)=>{fileinfo.metadata.rated=rated;musicdb.updateMetadata(fileinfo.name,{rated:fileinfo.metadata.rated},resolve);});}
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function getFile(fileinfo,decrypt=false){return new Promise((resolve,reject)=>{ready.then(()=>{musicdb.getFile(fileinfo.name,(file)=>{if(file){resolve(file);}else{reject('unable to get file: '+fileinfo.name);}});});}).then((blob)=>{if(!decrypt||!fileinfo.metadata.locked){return blob;}
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return new Promise(function(resolve,reject){LazyLoader.load('/shared/js/omadrm/fl.js').then(()=>{ForwardLock.getKey(function(secret){ForwardLock.unlockBlob(secret,blob,resolve,null,reject);});});});});}
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function getFileInfo(filename){return new Promise(function(resolve,reject){ready.then(()=>musicdb.getFileInfo(filename,(r)=>{r?resolve(r):reject('Undefined result for '+filename);},reject)).catch((e)=>reject(e));});}
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function enumerate(...args){return enumerable.then(()=>musicdb.enumerate(...args));}
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function enumerateAll(...args){return enumerable.then(()=>musicdb.enumerateAll(...args));}
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function advancedEnumerate(...args){return enumerable.then(()=>musicdb.advancedEnumerate(...args));}
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function count(...args){return enumerable.then(()=>musicdb.count(...args));}
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function cancelEnumeration(handle){musicdb.cancelEnumeration(handle);}
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IntlHelper.define('titleSorter','collator',{usage:'sort',sensitivity:'base',numeric:true,ignorePunctuation:true});function _localeSort(collator,a,b){return collator.compare(a,b);}
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function _sortArtist(collator,a,b){return _localeSort(collator,a.metadata.artist,b.metadata.artist);}
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function _sortAlbum(collator,a,b){return _localeSort(collator,a.metadata.album,b.metadata.album);}
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function _sortTitle(collator,a,b){return _localeSort(collator,a.metadata.title,b.metadata.title);}
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function _sortTrack(collator,a,b){return(a.metadata.discnum-b.metadata.discnum)||(a.metadata.tracknum-b.metadata.tracknum)||_sortTitle(collator,a,b);}
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function artists(){return new Promise((resolve)=>{enumerateAll('metadata.artist',null,'nextunique',(artists)=>{artists.sort(_sortArtist.bind(null,IntlHelper.get('titleSorter')));resolve(artists);});});}
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function albums(){return new Promise((resolve)=>{enumerateAll('metadata.album',null,'nextunique',(albums)=>{albums.sort(_sortAlbum.bind(null,IntlHelper.get('titleSorter')));resolve(albums);});});}
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function songs(){return new Promise((resolve)=>{enumerateAll('metadata.title',null,'next',(songs)=>{songs.sort(_sortTitle.bind(null,IntlHelper.get('titleSorter')));resolve(songs);});});}
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function totalCount(){return new Promise((resolve)=>{count('metadata.title',null,(count)=>resolve(count));});}
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function artist(name){return new Promise((resolve)=>{var range=IDBKeyRange.only(name);enumerateAll('metadata.artist',range,'next',(songs)=>{var collator=IntlHelper.get('titleSorter');songs.sort((a,b)=>{return _sortAlbum(collator,a,b)||_sortTrack(collator,a,b);});resolve(songs);});});}
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function album(name){return new Promise((resolve)=>{var range=IDBKeyRange.only(name);enumerateAll('metadata.album',range,'next',(songs)=>{songs.sort(_sortTrack.bind(null,IntlHelper.get('titleSorter')));resolve(songs);});});}
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function search(key,query,callback){return enumerable.then(()=>{if(!query){callback(null);return;}
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return LazyLoader.load('/shared/js/text_normalizer.js').then(()=>{query=Normalizer.toAscii(query.toLocaleLowerCase());var direction=(key==='title')?'next':'nextunique';return musicdb.enumerate('metadata.'+key,null,direction,(result)=>{if(result===null){callback(result);return;}
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var resultLowerCased=result.metadata[key].toLocaleLowerCase();if(Normalizer.toAscii(resultLowerCased).indexOf(query)!==-1){callback(result);}});});});}
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return{init:init,incrementPlayCount:incrementPlayCount,setSongRating:setSongRating,getFile:getFile,getFileInfo:getFileInfo,enumerate:enumerate,enumerateAll:enumerateAll,advancedEnumerate:advancedEnumerate,count:count,cancelEnumeration:cancelEnumeration,artists:artists,albums:albums,songs:songs,totalCount:totalCount,artist:artist,album:album,search:search,playlists:playlists,status:status,get initialScanComplete(){return musicdb.initialScanComplete;}};})(); |