v2.0.0
This commit is contained in:
lyswhut
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import { getDB } from '../../db'
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import {
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createQueryStatement,
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createInsertStatement,
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createDeleteStatement,
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createUpdateStatement,
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createUpdatePositionStatement,
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createClearStatement,
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} from './statements'
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/**
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* 查询下载歌曲列表
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*/
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export const queryDownloadList = (): LX.DBService.DownloadMusicInfo[] => {
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const queryStatement = createQueryStatement()
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return queryStatement.all()
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}
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/**
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* 批量插入下载歌曲并刷新顺序
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* @param mInfos 列表
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*/
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export const inertDownloadList = (mInfos: LX.DBService.DownloadMusicInfo[], listPositions: Array<{ id: string, position: number }>) => {
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const db = getDB()
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const insertStatement = createInsertStatement()
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const updatePositionStatement = createUpdatePositionStatement()
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db.transaction((mInfos: LX.DBService.DownloadMusicInfo[]) => {
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for (const info of mInfos) insertStatement.run(info)
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for (const info of listPositions) updatePositionStatement.run(info)
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})(mInfos)
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}
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/**
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* 批量删除下载歌曲
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* @param ids 列表
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*/
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export const deleteDownloadList = (ids: string[]) => {
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const db = getDB()
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const deleteStatement = createDeleteStatement()
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db.transaction((ids: string[]) => {
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for (const id of ids) deleteStatement.run(id)
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})(ids)
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}
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/**
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* 批量更新下载歌曲
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* @param urlInfo 列表
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*/
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export const updateDownloadList = (urlInfo: LX.DBService.DownloadMusicInfo[]) => {
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const db = getDB()
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const updateStatement = createUpdateStatement()
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db.transaction((urlInfo: LX.DBService.DownloadMusicInfo[]) => {
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for (const info of urlInfo) updateStatement.run(info)
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})(urlInfo)
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}
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/**
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* 清空下载歌曲列表
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*/
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export const clearDownloadList = () => {
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const clearStatement = createClearStatement()
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clearStatement.run()
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}
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@@ -0,0 +1,121 @@
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import {
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queryDownloadList,
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inertDownloadList,
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updateDownloadList,
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deleteDownloadList,
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clearDownloadList,
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} from './dbHelper'
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let list: LX.Download.ListItem[]
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const toDBDownloadInfo = (musicInfos: LX.Download.ListItem[], offset: number = 0): LX.DBService.DownloadMusicInfo[] => {
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return musicInfos.map((info, index) => {
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return {
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id: info.id,
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isComplate: info.isComplate ? 1 : 0,
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status: info.status,
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statusText: info.statusText,
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progress_downloaded: info.downloaded,
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progress_total: info.total,
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url: info.metadata.url,
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quality: info.metadata.quality,
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ext: info.metadata.ext,
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fileName: info.metadata.fileName,
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filePath: info.metadata.filePath,
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musicInfo: JSON.stringify(info.metadata.musicInfo),
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position: offset + index,
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}
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})
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}
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const initDownloadList = () => {
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list = queryDownloadList().map(item => {
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const musicInfo = JSON.parse(item.musicInfo) as LX.Music.MusicInfoOnline
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return {
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id: item.id,
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isComplate: item.isComplate == 1,
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status: item.status,
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statusText: item.statusText,
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downloaded: item.progress_downloaded,
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total: item.progress_total,
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progress: item.progress_total ? parseInt((item.progress_downloaded / item.progress_total).toFixed(2)) * 100 : 0,
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speed: '',
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metadata: {
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musicInfo,
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url: item.url,
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quality: item.quality,
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ext: item.ext,
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fileName: item.fileName,
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filePath: item.filePath,
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},
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}
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})
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}
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/**
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* 获取下载列表
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* @returns 下载列表
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*/
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export const getDownloadList = (): LX.Download.ListItem[] => {
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if (!list) initDownloadList()
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return list
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}
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/**
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* 添加下载歌曲信息
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* @param downloadInfos url信息
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*/
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export const downloadInfoSave = (downloadInfos: LX.Download.ListItem[], addMusicLocationType: LX.AddMusicLocationType) => {
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if (!list) initDownloadList()
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if (addMusicLocationType == 'top') {
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let newList = [...list]
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newList.unshift(...downloadInfos)
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inertDownloadList(toDBDownloadInfo(downloadInfos), newList.slice(downloadInfos.length - 1).map((info, index) => {
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return { id: info.id, position: index }
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}))
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list = newList
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} else {
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inertDownloadList(toDBDownloadInfo(downloadInfos, list.length), [])
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list.push(...downloadInfos)
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}
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}
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/**
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* 批量更新列表信息
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* @param lists 列表信息
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*/
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export const downloadInfoUpdate = (lists: LX.Download.ListItem[]) => {
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updateDownloadList(toDBDownloadInfo(lists))
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if (list) {
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for (const item of lists) {
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const index = list.findIndex(info => info.id === item.id)
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if (index < 0) continue
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list.splice(index, 1, item)
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}
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}
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}
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/**
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* 删除下载列表
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* @param ids 歌曲id
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*/
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export const downloadInfoRemove = (ids: string[]) => {
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deleteDownloadList(ids)
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if (list) {
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for (let i = list.length; i--;) {
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let idx = ids.indexOf(list[i].id)
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if (idx < 0) continue
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list.splice(i, 1)
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ids.splice(idx, 1)
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}
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}
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}
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/**
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* 清空下载列表
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*/
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export const downloadInfoClear = () => {
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clearDownloadList()
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}
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@@ -0,0 +1,72 @@
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import { getDB } from '../../db'
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/**
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* 创建下载列表查询语句
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* @returns 查询语句
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*/
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export const createQueryStatement = () => {
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const db = getDB()
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return db.prepare(`
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SELECT "id", "isComplate", "status", "statusText", "progress_downloaded", "progress_total", "url", "quality", "ext", "fileName", "filePath", "musicInfo", "position"
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FROM download_list
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ORDER BY "position" ASC
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`)
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}
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/**
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* 创建下载记录插入语句
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* @returns 插入语句
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*/
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export const createInsertStatement = () => {
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const db = getDB()
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return db.prepare<[LX.DBService.DownloadMusicInfo]>(`
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INSERT INTO "main"."download_list" ("id", "isComplate", "status", "statusText", "progress_downloaded", "progress_total", "url", "quality", "ext", "fileName", "filePath", "musicInfo", "position")
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VALUES (@id, @isComplate, @status, @statusText, @progress_downloaded, @progress_total, @url, @quality, @ext, @fileName, @filePath, @musicInfo, @position)`)
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}
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/**
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* 创建下载记录清空语句
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* @returns 清空语句
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*/
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export const createClearStatement = () => {
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const db = getDB()
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return db.prepare(`
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DELETE FROM "main"."download_list"
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`)
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}
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/**
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* 创建下载记录删除语句
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* @returns 删除语句
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*/
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export const createDeleteStatement = () => {
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const db = getDB()
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return db.prepare<[string]>(`
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DELETE FROM "main"."download_list"
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WHERE "id"=?
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`)
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}
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/**
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* 创建下载记录更新语句
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* @returns 更新语句
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*/
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export const createUpdateStatement = () => {
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const db = getDB()
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return db.prepare<[LX.DBService.DownloadMusicInfo]>(`
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UPDATE "main"."download_list"
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SET "isComplate"=@isComplate, "status"=@status, "statusText"=@statusText, "progress_downloaded"=@progress_downloaded, "progress_total"=@progress_total, "url"=@url, "filePath"=@filePath
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WHERE "id"=@id`)
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}
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/**
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* 创建下载记录顺序更新语句
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* @returns 更新语句
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*/
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export const createUpdatePositionStatement = () => {
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const db = getDB()
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return db.prepare<[{ id: string, position: number }]>(`
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UPDATE "main"."download_list"
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SET "position"=@position
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WHERE "id"=@id`)
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}
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