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Replace Database connection with web server API

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Geomitron
2020-05-03 16:36:08 -04:00
parent 0b4e50174d
commit a3271bf164
20 changed files with 190 additions and 293 deletions
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85
src/electron/ipc/download/ChartDownload.ts
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@@ -5,11 +5,12 @@ import { FileExtractor } from './FileExtractor'
import { sanitizeFilename, interpolate } from '../../shared/UtilFunctions'
import { emitIPCEvent } from '../../main'
import { promisify } from 'util'
import { randomBytes as _randomBytes, createHash } from 'crypto'
import { randomBytes as _randomBytes } from 'crypto'
import { mkdir as _mkdir } from 'fs'
import { ProgressType, NewDownload } from 'src/electron/shared/interfaces/download.interface'
import { downloadHandler } from './DownloadHandler'
import { googleTimer } from './GoogleTimer'
import { DriveFile } from 'src/electron/shared/interfaces/songDetails.interface'
const randomBytes = promisify(_randomBytes)
const mkdir = promisify(_mkdir)
@@ -21,26 +22,20 @@ export class ChartDownload {
cancel: () => void
isArchive: boolean
isGoogle: boolean
title: string
header: string
description: string
percent = 0
type: ProgressType
private fileKeys: string[]
private fileValues: string[]
private files: DriveFile[]
allFilesProgress = 0
individualFileProgressPortion: number
constructor(public versionID: number, private data: NewDownload) {
// Only iterate over the keys in data.links that have link values (not hashes)
this.fileKeys = Object.keys(data.links).filter(link => data.links[link].includes('.'))
this.fileValues = Object.values(data.links).filter(value => value.includes('.'))
this.isArchive = this.fileKeys.includes('archive')
this.isGoogle = !!this.fileValues.find(value => value.toLocaleLowerCase().includes('google'))
this.individualFileProgressPortion = 80 / this.fileKeys.length
this.files = data.driveData.files
this.isArchive = data.driveData.isArchive
this.individualFileProgressPortion = 80 / this.files.length
}
/**
@@ -69,31 +64,27 @@ export class ChartDownload {
return
}
// For each actual download link in <this.data.links>, download the file to <chartPath>
for (let i = 0; i < this.fileKeys.length; i++) {
// For each download link in <this.files>, download the file to <chartPath>
for (let i = 0; i < this.files.length; i++) {
// INITIALIZE DOWNLOADER
const typeHash = createHash('md5').update(this.fileValues[i]).digest('hex')
// <this.data.links[typeHash]> stores the expected hash value found in the download header
const downloader = new FileDownloader(this.fileValues[i], chartPath, this.data.links[typeHash])
const downloader = new FileDownloader(this.files[i].webContentLink, chartPath)
const downloadComplete = this.addDownloadEventListeners(downloader, i)
// DOWNLOAD THE NEXT FILE
if (this.isGoogle) { // If this is a google download...
// Wait for google rate limit
this.header = `[${this.fileKeys[i]}] (file ${i + 1}/${this.fileKeys.length})`
googleTimer.onTimerUpdate((remainingTime, totalTime) => {
this.description = `Waiting for Google rate limit... (${remainingTime}s)`
this.percent = this.allFilesProgress + interpolate(remainingTime, totalTime, 0, 0, this.individualFileProgressPortion / 2)
this.type = 'good'
emitIPCEvent('download-updated', this)
})
this.cancel = () => {
googleTimer.removeCallbacks()
this.onDownloadStop()
downloader.cancelDownload()
}
await new Promise<void>(resolve => googleTimer.onTimerReady(resolve))
// Wait for google rate limit
this.header = `[${this.files[i].originalFilename}] (file ${i + 1}/${this.files.length})`
googleTimer.onTimerUpdate((remainingTime, totalTime) => {
this.description = `Waiting for Google rate limit... (${remainingTime}s)`
this.percent = this.allFilesProgress + interpolate(remainingTime, totalTime, 0, 0, this.individualFileProgressPortion / 2)
this.type = 'good'
emitIPCEvent('download-updated', this)
})
this.cancel = () => {
googleTimer.removeCallbacks()
this.onDownloadStop()
downloader.cancelDownload()
}
await new Promise<void>(resolve => googleTimer.onTimerReady(resolve))
this.cancel = () => {
this.onDownloadStop()
@@ -149,10 +140,8 @@ export class ChartDownload {
* If this was a google download, allows a new google download to start.
*/
private onDownloadStop() {
if (this.isGoogle) {
downloadHandler.isGoogleDownloading = false
downloadHandler.updateQueue()
}
downloadHandler.isGoogleDownloading = false
downloadHandler.updateQueue()
}
/**
@@ -177,28 +166,12 @@ export class ChartDownload {
emitIPCEvent('download-updated', this)
})
let filesize = -1
downloader.on('download', (filename, _filesize) => {
this.header = `[${filename}] (file ${fileIndex + 1}/${this.fileKeys.length})`
if (_filesize != undefined) {
filesize = _filesize
this.description = 'Downloading... (0%)'
} else {
this.description = 'Downloading... (0 MB)'
}
this.type = 'good'
emitIPCEvent('download-updated', this)
})
downloader.on('downloadProgress', (bytesDownloaded) => {
if (filesize != -1) {
this.description = `Downloading... (${Math.round(1000 * bytesDownloaded / filesize) / 10}%)`
fileProgress = interpolate(bytesDownloaded, 0, filesize, this.individualFileProgressPortion / 2, this.individualFileProgressPortion)
this.percent = this.allFilesProgress + fileProgress
} else {
this.description = `Downloading... (${Math.round(bytesDownloaded / 1e+5) / 10} MB)`
this.percent = this.allFilesProgress + fileProgress
}
const size = Number(this.files[fileIndex].size)
this.header = `[${this.files[fileIndex].originalFilename}] (file ${fileIndex + 1}/${this.files.length})`
this.description = `Downloading... (${Math.round(1000 * bytesDownloaded / size) / 10}%)`
fileProgress = interpolate(bytesDownloaded, 0, size, this.individualFileProgressPortion / 2, this.individualFileProgressPortion)
this.percent = this.allFilesProgress + fileProgress
this.type = 'fastUpdate'
emitIPCEvent('download-updated', this)
})