feat: cache track details, lyrics and album

src/utils/db.js

@@ -5,6 +5,12 @@ import store from '@/store';
 
 const db = new Dexie('yesplaymusic');
 
+db.version(4).stores({
+  trackDetail: '&id, updateTime',
+  lyric: '&id, updateTime',
+  album: '&id, updateTime',
+});
+
 db.version(3)
   .stores({
     trackSources: '&id, createTime',
@@ -78,6 +84,65 @@ export function getTrackSource(id) {
   });
 }
 
+export function cacheTrackDetail(track, privileges) {
+  db.trackDetail.put({
+    id: track.id,
+    detail: track,
+    privileges: privileges,
+    updateTime: new Date().getTime(),
+  });
+}
+
+export function getTrackDetailFromCache(ids) {
+  return db.trackDetail
+    .filter(track => {
+      return ids.includes(String(track.id));
+    })
+    .toArray()
+    .then(tracks => {
+      const result = { songs: [], privileges: [] };
+      ids.map(id => {
+        const one = tracks.find(t => String(t.id) === id);
+        result.songs.push(one?.detail);
+        result.privileges.push(one?.privileges);
+      });
+      if (result.songs.includes(undefined)) {
+        return undefined;
+      }
+      return result;
+    });
+}
+
+export function cacheLyric(id, lyrics) {
+  db.lyric.put({
+    id,
+    lyrics,
+    updateTime: new Date().getTime(),
+  });
+}
+
+export function getLyricFromCache(id) {
+  return db.lyric.get(Number(id)).then(result => {
+    if (!result) return undefined;
+    return result.lyrics;
+  });
+}
+
+export function cacheAlbum(id, album) {
+  db.album.put({
+    id,
+    album,
+    updateTime: new Date().getTime(),
+  });
+}
+
+export function getAlbumFromCache(id) {
+  return db.album.get(Number(id)).then(result => {
+    if (!result) return undefined;
+    return result.album;
+  });
+}
+
 export function countDBSize() {
   const trackSizes = [];
   return db.trackSources