v2.0.0

2022-10-29 11:36:35 +08:00
parent 66b965d9f7
commit e45cee6596
715 changed files with 57096 additions and 31771 deletions
@@ -0,0 +1,103 @@
+import { DOWNLOAD_STATUS, QUALITYS } from '@common/constants'
+import { filterFileName } from '@common/utils/common'
+import { joinPath } from '@common/utils/nodejs'
+import fs from 'fs'
+
+/**
+ * 保存歌词文件
+ * @param {*} filePath
+ * @param {*} lrc
+ * @param {*} format
+ */
+export const saveLrc = async(filePath: string, lrc: string, format: LX.LyricFormat) => {
+  const iconv = await import('iconv-lite')
+  switch (format) {
+    case 'gbk':
+      fs.writeFile(filePath, iconv.encode(lrc, 'gbk', { addBOM: true }), err => {
+        if (err) console.log(err)
+      })
+      break
+    case 'utf8':
+    default:
+      fs.writeFile(filePath, lrc, 'utf8', err => {
+        if (err) console.log(err)
+      })
+      break
+  }
+}
+
+export const getExt = (type: string): LX.Download.FileExt => {
+  switch (type) {
+    case 'ape':
+      return 'ape'
+    case 'flac':
+    case 'flac24bit':
+      return 'flac'
+    case 'wav':
+      return 'wav'
+    case '128k':
+    case '192k':
+    case '320k':
+    default:
+      return 'mp3'
+  }
+}
+
+/**
+ * 获取音乐音质
+ * @param musicInfo
+ * @param type
+ * @param qualityList
+ */
+export const getMusicType = (musicInfo: LX.Music.MusicInfoOnline, type: LX.Quality, qualityList: LX.QualityList): LX.Quality => {
+  let list = qualityList[musicInfo.source]
+  if (!list) return '128k'
+  if (!list.includes(type)) type = list[list.length - 1]
+  const rangeType = QUALITYS.slice(QUALITYS.indexOf(type))
+  for (const type of rangeType) {
+    if (musicInfo.meta._qualitys[type]) return type
+  }
+  return '128k'
+}
+
+// const checkExistList = (list: LX.Download.ListItem[], musicInfo: LX.Music.MusicInfo, type: LX.Quality, ext: string): boolean => {
+//   return list.some(s => s.id === musicInfo.id && (s.metadata.type === type || s.metadata.ext === ext))
+// }
+
+export const createDownloadInfo = (musicInfo: LX.Music.MusicInfoOnline, type: LX.Quality, fileName: string, savePath: string, qualityList: LX.QualityList) => {
+  type = getMusicType(musicInfo, type, qualityList)
+  let ext = getExt(type)
+  const key = `${musicInfo.id}_${type}_${ext}`
+  // if (checkExistList(list, musicInfo, type, ext)) return null
+  const downloadInfo: LX.Download.ListItem = {
+    id: key,
+    isComplate: false,
+    status: DOWNLOAD_STATUS.WAITING,
+    statusText: '待下载',
+    downloaded: 0,
+    total: 0,
+    progress: 0,
+    speed: '',
+    metadata: {
+      musicInfo,
+      url: null,
+      quality: type,
+      ext,
+      filePath: '',
+      fileName: filterFileName(`${fileName
+        .replace('歌名', musicInfo.name)
+        .replace('歌手', musicInfo.singer)}.${ext}`),
+    },
+  }
+  downloadInfo.metadata.filePath = joinPath(savePath, downloadInfo.metadata.fileName)
+  // commit('addTask', downloadInfo)
+
+  // 删除同路径下的同名文件
+  // TODO
+  // deleteFile(downloadInfo.metadata.filePath)
+  // .catch(err => {
+  //   if (err.code !== 'ENOENT') return commit('setStatusText', { downloadInfo, text: '文件删除失败' })
+  // })
+
+  return downloadInfo
+}