更换下载库
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lyswhut
@@ -53,7 +53,7 @@ const getExt = type => {
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}
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}
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const checkList = (list, musicInfo, type) => list.some(s => s.musicInfo.songmid === musicInfo.songmid && s.type === type)
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const checkList = (list, musicInfo, type, ext) => list.some(s => s.musicInfo.songmid === musicInfo.songmid && (s.type === type || s.ext === ext))
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const getStartTask = (list, downloadStatus, maxDownloadNum) => {
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let downloadCount = 0
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@@ -121,11 +121,24 @@ const downloadLyric = (downloadInfo, filePath) => {
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})
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}
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const refreshUrl = function(commit, downloadInfo) {
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commit('setStatusText', { downloadInfo, text: '链接失效，正在刷新链接' })
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getUrl(downloadInfo, true).then(result => {
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commit('updateUrl', { downloadInfo, url: result.url })
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commit('setStatusText', { downloadInfo, text: '链接刷新成功' })
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dls[downloadInfo.key].refreshUrl(result.url)
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dls[downloadInfo.key].start()
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}).catch(err => {
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console.log(err)
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this.dispatch('download/startTask')
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})
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}
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// actions
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const actions = {
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createDownload({ state, rootState, commit }, { musicInfo, type }) {
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if (checkList(state.list, musicInfo, type)) return
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let ext = getExt(type)
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if (checkList(state.list, musicInfo, type, ext)) return
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const downloadInfo = {
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isComplate: false,
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status: state.downloadStatus.WAITING,
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@@ -146,6 +159,11 @@ const actions = {
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}
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downloadInfo.filePath = path.join(rootState.setting.download.savePath, downloadInfo.fileName)
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commit('addTask', downloadInfo)
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try { // 删除同路径下的同名文件
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fs.unlinkSync(downloadInfo.filePath)
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} catch (err) {
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if (err.code !== 'ENOENT') return commit('setStatusText', { downloadInfo, text: '文件删除失败' })
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}
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if (dls[downloadInfo.key]) {
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dls[downloadInfo.key].stop().finally(() => {
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delete dls[downloadInfo.key]
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@@ -167,7 +185,7 @@ const actions = {
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if (!downloadInfo) downloadInfo = result
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// 开始任务
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commit('onDownload', downloadInfo)
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commit('onStart', downloadInfo)
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commit('setStatusText', { downloadInfo, text: '任务初始化中' })
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let msg = checkPath(rootState.setting.download.savePath)
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if (msg) return commit('setStatusText', '检查下载目录出错: ' + msg)
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@@ -178,12 +196,12 @@ const actions = {
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fileName: downloadInfo.fileName,
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method: 'get',
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override: true,
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onEnd() {
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if (downloadInfo.progress.progress != '100.00') {
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delete dls[downloadInfo.key]
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return this.dispatch('download/startTask', downloadInfo)
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}
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commit('onEnd', downloadInfo)
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onCompleted() {
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// if (downloadInfo.progress.progress != '100.00') {
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// delete dls[downloadInfo.key]
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// return this.dispatch('download/startTask', downloadInfo)
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// }
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commit('onCompleted', downloadInfo)
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_this.dispatch('download/startTask')
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const filePath = path.join(options.path, options.fileName)
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@@ -199,54 +217,40 @@ const actions = {
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_this.dispatch('download/startTask')
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return
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}
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let code
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if (err.message.includes('Response status was')) {
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code = err.message.replace(/Response status was (\d+)$/, '$1')
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} else if (err.code === 'ETIMEDOUT' || err.code == 'ENOTFOUND') {
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code = err.code
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if (err.code == 'ENOTFOUND') {
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refreshUrl.call(_this, commit, downloadInfo)
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} else {
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console.log('Download failed, Attempting Retry')
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dls[downloadInfo.key].resume()
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dls[downloadInfo.key].start()
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commit('setStatusText', { downloadInfo, text: '正在重试' })
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return
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}
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switch (code) {
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case '401':
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case '403':
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case '410':
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case 'ETIMEDOUT':
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case 'ENOTFOUND':
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commit('setStatusText', { downloadInfo, text: '链接失效，正在刷新链接' })
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getUrl(downloadInfo, true).then(result => {
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commit('updateUrl', { downloadInfo, url: result.url })
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commit('setStatusText', { downloadInfo, text: '链接刷新成功' })
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dls[downloadInfo.key].url = dls[downloadInfo.key].requestURL = result.url
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dls[downloadInfo.key].__initProtocol(result.url)
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dls[downloadInfo.key].resume()
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}).catch(err => {
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console.log(err)
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_this.dispatch('download/startTask')
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})
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}
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},
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// onStateChanged(state) {
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// console.log(state)
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// },
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onDownload() {
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commit('onDownload', downloadInfo)
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console.log('on download')
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onFail(response) {
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commit('onError', downloadInfo)
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if (++tryNum[downloadInfo.key] > 2) {
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_this.dispatch('download/startTask')
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return
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}
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switch (response.statusCode) {
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case 401:
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case 403:
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case 410:
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refreshUrl.call(_this, commit, downloadInfo)
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}
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},
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onStart() {
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commit('onStart', downloadInfo)
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console.log('on start')
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},
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onProgress(status) {
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commit('onProgress', { downloadInfo, status })
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console.log(status)
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},
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onPause() {
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onStop() {
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commit('pauseTask', downloadInfo)
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_this.dispatch('download/startTask')
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},
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onResume() {
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commit('resumeTask', downloadInfo)
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},
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}
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commit('setStatusText', { downloadInfo, text: '获取URL中...' })
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let p = options.url ? Promise.resolve() : getUrl(downloadInfo).then(result => {
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@@ -315,9 +319,6 @@ const mutations = {
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downloadInfo.status = state.downloadStatus.PAUSE
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downloadInfo.statusText = '暂停下载'
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},
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resumeTask(state, downloadInfo) {
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downloadInfo.statusText = '开始下载'
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},
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setStatusText(state, { downloadInfo, index, text }) { // 设置状态文本
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if (downloadInfo) {
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downloadInfo.statusText = text
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@@ -352,7 +353,7 @@ const mutations = {
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state.list[index].status = status
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}
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},
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onEnd(state, downloadInfo) {
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onCompleted(state, downloadInfo) {
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downloadInfo.isComplate = true
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downloadInfo.status = state.downloadStatus.COMPLETED
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downloadInfo.statusText = '下载完成'
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@@ -361,7 +362,7 @@ const mutations = {
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downloadInfo.status = state.downloadStatus.ERROR
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downloadInfo.statusText = '任务出错'
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},
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onDownload(state, downloadInfo) {
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onStart(state, downloadInfo) {
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downloadInfo.status = state.downloadStatus.RUN
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downloadInfo.statusText = '正在下载'
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},
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