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64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
import DownloadActions from '../actions/DownloadActions'
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import DownloadFile from '../DownloadFile'
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import peer from '../peer'
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import alt from '../alt'
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import socket from '../socket'
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export default alt.createStore(class DownloadStore {
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constructor() {
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this.bindActions(DownloadActions)
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this.status = 'ready'
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this.token = null
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this.file = null
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this.progress = 0
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this.on('bootstrap', () => {
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if (this.file && !(this.file instanceof DownloadFile)) {
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this.file = new DownloadFile(this.file.name,
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this.file.size,
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this.file.type)
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}
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})
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}
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onRequestDownload() {
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if (this.status !== 'ready') return
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this.status = 'requesting'
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socket.emit('download', {
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peerID: peer.id,
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token: this.token
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})
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}
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onBeginDownload(conn) {
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if (this.status !== 'requesting') return
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this.status = 'downloading'
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conn.on('data', (chunk) => {
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if (this.status !== 'downloading') return
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this.file.addChunk(chunk)
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if (this.file.isComplete()) {
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this.setState({ status: 'done', progress: 1 })
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this.file.download()
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conn.close()
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} else {
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this.setState({ progress: this.file.getProgress() })
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conn.send('more')
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}
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})
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conn.on('close', () => {
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if (this.status !== 'downloading') return
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this.setState({ status: 'cancelled', progress: 0 })
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this.file.clearChunks()
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})
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}
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}, 'DownloadStore')
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