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lyswhut
@@ -0,0 +1,274 @@
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import download from '../../utils/download'
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import fs from 'fs'
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import path from 'path'
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import music from '../../utils/music'
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// state
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const state = {
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list: [],
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}
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const dls = {}
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// getters
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const getters = {
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list: state => state.list || [],
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dls: () => dls || {},
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}
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const checkPath = path => {
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try {
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if (!fs.existsSync(path)) fs.mkdirSync(path, { recursive: true })
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} catch (error) {
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return error.message
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}
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return false
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}
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const getExt = type => {
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switch (type) {
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case '128k':
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case '192k':
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case '320k':
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return 'mp3'
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case 'ape':
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return 'ape'
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case 'flac':
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return 'flac'
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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 refreshUrl = downloadInfo => {
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return music[downloadInfo.musicInfo.source].getMusicUrl(downloadInfo.musicInfo, downloadInfo.type)
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}
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// actions
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const actions = {
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createDownload({ state, rootState }, { 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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const downloadInfo = {
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isComplate: false,
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isDownloading: false,
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statusText: '任务初始化中',
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url: null,
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fileName: `${rootState.setting.download.fileName
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.replace('歌名', musicInfo.name)
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.replace('歌手', musicInfo.singer)}.${ext}`,
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progress: {
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downloaded: 0,
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total: 0,
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progress: 0,
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},
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type,
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ext,
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musicInfo,
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key: `${musicInfo.songmid}${ext}`,
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}
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downloadInfo.filePath = path.join(rootState.setting.download.savePath, downloadInfo.fileName)
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if (dls[downloadInfo.key]) {
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dls[downloadInfo.key].stop().finally(() => {
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this.dispatch('download/addTask', downloadInfo)
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})
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} else {
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// console.log(downloadInfo)
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this.dispatch('download/addTask', downloadInfo)
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}
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},
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addTask({ commit, rootState }, downloadInfo) {
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commit('addTask', downloadInfo)
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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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const options = {
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url: downloadInfo.url,
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path: rootState.setting.download.savePath,
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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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commit('onEnd', downloadInfo)
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console.log('on complate')
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},
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onError(err) {
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console.log(err)
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if (err.message.includes('Response status was')) {
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const code = err.message.replace(/Response status was (\d+)$/, '$1')
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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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commit('setStatusText', { downloadInfo, text: '链接失效，正在刷新链接' })
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refreshUrl(downloadInfo).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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})
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return
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default:
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break
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}
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}
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commit('onError', downloadInfo)
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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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},
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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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commit('pauseTask', downloadInfo)
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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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let p = options.url ? Promise.resolve() : refreshUrl(downloadInfo).then(result => {
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commit('updateUrl', { downloadInfo, url: result.url })
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options.url = result.url
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})
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p.then(() => {
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dls[downloadInfo.key] = download(options)
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})
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},
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removeTask({ commit, state }, index) {
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let info = state.list[index]
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if (state.list[index].isDownloading) {
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dls[info.key].stop().finally(() => {
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delete dls[info.key]
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})
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}
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commit('removeTask', index)
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if (dls[info.key]) delete dls[info.key]
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},
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resumeTask({ commit, rootState }, downloadInfo) {
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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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const options = {
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url: downloadInfo.url,
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path: rootState.setting.download.savePath,
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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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commit('onEnd', downloadInfo)
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console.log('on complate')
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},
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onError(err) {
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commit('onError', downloadInfo)
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commit('setStatusText', { downloadInfo, text: '链接失效，正在刷新链接' })
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refreshUrl(downloadInfo).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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})
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console.log(err)
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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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},
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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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commit('pauseTask', downloadInfo)
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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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let p = options.url ? Promise.resolve() : refreshUrl(downloadInfo).then(result => {
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commit('updateUrl', { downloadInfo, url: result.url })
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options.url = result.url
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})
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if (fs.existsSync(downloadInfo.filePath)) {
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options.resumeInfo = {
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totalFileSize: downloadInfo.progress.total,
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}
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}
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p.then(() => {
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dls[downloadInfo.key] = download(options)
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})
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},
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}
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// mitations
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const mutations = {
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addTask(state, downloadInfo) {
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state.list.push(downloadInfo)
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},
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removeTask(state, index) {
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state.list.splice(index, 1)
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},
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pauseTask(state, downloadInfo) {
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downloadInfo.isDownloading = false
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},
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resumeTask(state, downloadInfo) {
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downloadInfo.statusText = '恢复下载'
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},
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setStatusText(state, { downloadInfo, index, text }) {
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if (downloadInfo) {
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downloadInfo.statusText = text
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} else {
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state.list[index].statusText = text
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}
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},
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onEnd(state, downloadInfo) {
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downloadInfo.isComplate = true
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downloadInfo.isDownloading = false
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downloadInfo.statusText = '下载完成'
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},
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onError(state, downloadInfo) {
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downloadInfo.isDownloading = false
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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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downloadInfo.isDownloading = true
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downloadInfo.statusText = '正在下载'
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},
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onProgress(state, { downloadInfo, status }) {
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downloadInfo.progress.progress = status.progress
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downloadInfo.progress.downloaded = status.downloaded
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downloadInfo.progress.total = status.total
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},
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setTotal(state, { order, downloadInfo }) {
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downloadInfo.order = order
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},
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updateDownloadList(state, list) {
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state.list = list
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},
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updateUrl(state, { downloadInfo, url }) {
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downloadInfo.url = url
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},
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}
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export default {
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namespaced: true,
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state,
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getters,
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actions,
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mutations,
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}
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