b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
24 lines
No EOL
4.6 KiB
JavaScript
24 lines
No EOL
4.6 KiB
JavaScript
;'use strict';var Database=(function(){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 files=['/js/metadata_scripts.js','/js/metadata/album_art.js'];LazyLoader.load(files).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;App.showOverlay('upgrade');}}
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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){App.showOverlay('upgrade');};musicdb.onunavailable=function(event){var why;switch(event.detail){case MediaDB.NOCARD:why='nocard';break;case MediaDB.UNMOUNTED:why='unmounted';break;}
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App.dbUnavailable(why);};musicdb.oncardremoved=function(){App.dbUnavailable('cardremoved');};musicdb.onenumerable=startupOnEnumerable;var refreshOnReady=false;function startupOnEnumerable(){App.dbEnumerable(function(){if(musicdb.state===MediaDB.READY){onReady();}else{musicdb.onready=onReady;}});}
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function onReady(){App.dbReady(refreshOnReady,function(){musicdb.scan();});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;TitleBar.hideScanProgress();if(filesFoundBatch>0||filesDeletedWhileScanning>0){filesFoundWhileScanning=0;filesFoundBatch=0;filesDeletedWhileScanning=0;App.refreshViews();}
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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;TitleBar.showScanProgress({count:filesFoundWhileScanning,artist:metadata.artist,title:metadata.title});if(filesFoundBatch>SCAN_UPDATE_BATCH_SIZE){filesFoundBatch=0;App.refreshViews();}}
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else{App.refreshViews();}};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;App.refreshViews();},DELETE_BATCH_TIMEOUT);}};}
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function incrementPlayCount(fileinfo){fileinfo.metadata.played++;musicdb.updateMetadata(fileinfo.name,{played:fileinfo.metadata.played});}
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function setSongRating(fileinfo,rated){fileinfo.metadata.rated=rated;musicdb.updateMetadata(fileinfo.name,{rated:fileinfo.metadata.rated});}
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function getFile(fileinfo,decrypt=false){return new Promise((resolve,reject)=>{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){ForwardLock.getKey(function(secret){ForwardLock.unlockBlob(secret,blob,resolve,null,reject);});});});}
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function enumerate(...args){return musicdb.enumerate(...args);}
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function enumerateAll(...args){return musicdb.enumerateAll(...args);}
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function advancedEnumerate(...args){return musicdb.advancedEnumerate(...args);}
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function count(...args){return musicdb.count(...args);}
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function search(key,query,callback){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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function cancelEnumeration(handle){musicdb.cancelEnumeration(handle);}
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return{init:init,incrementPlayCount:incrementPlayCount,setSongRating:setSongRating,getFile:getFile,enumerate:enumerate,enumerateAll:enumerateAll,advancedEnumerate:advancedEnumerate,count:count,search:search,cancelEnumeration:cancelEnumeration,get initialScanComplete(){return musicdb.initialScanComplete;}};})(); |