689 lines
No EOL
23 KiB
TypeScript
689 lines
No EOL
23 KiB
TypeScript
import { MouseEventHandler, StrictMode, createContext, useContext, useEffect, useRef, useState } from 'react';
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import ReactDOM from 'react-dom/client';
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import { ProgressBar, Button, Container, Row, Col, Alert, Modal, Form, Spinner, Table } from 'react-bootstrap';
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import { AddTorrentResponse, TorrentDetails, TorrentFile, TorrentId, TorrentStats, ErrorDetails, API, STATE_INITIALIZING, STATE_LIVE, STATE_PAUSED, STATE_ERROR } from './api';
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interface Error {
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text: string,
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details?: ErrorDetails,
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}
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interface ContextType {
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setCloseableError: (error: Error) => void,
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refreshTorrents: () => void,
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}
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const AppContext = createContext<ContextType>(null);
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const RefreshTorrentStatsContext = createContext<{ refresh: () => void }>(null);
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const IconButton: React.FC<{
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className: string,
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onClick: () => void,
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disabled?: boolean,
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color?: string,
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}> = ({ className, onClick, disabled, color }) => {
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const onClickStopPropagation = (e) => {
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e.stopPropagation();
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if (disabled) {
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return;
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}
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onClick();
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}
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return <a className={`bi ${className} p-1`} onClick={onClickStopPropagation} href='#'></a>
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}
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const DeleteTorrentModal = ({ id, show, onHide }) => {
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if (!show) {
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return null;
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}
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const [deleteFiles, setDeleteFiles] = useState(false);
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const [error, setError] = useState<Error>(null);
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const [deleting, setDeleting] = useState(false);
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const ctx = useContext(AppContext);
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const close = () => {
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setDeleteFiles(false);
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setError(null);
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setDeleting(false);
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onHide();
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}
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const deleteTorrent = () => {
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setDeleting(true);
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const call = deleteFiles ? API.delete : API.forget;
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call(id).then(() => {
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ctx.refreshTorrents();
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close();
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}).catch((e) => {
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setError({
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text: `Error deleting torrent id=${id}`,
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details: e,
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});
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setDeleting(false);
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})
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}
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return <Modal show={show} onHide={close}>
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<Modal.Header closeButton>
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Delete torrent
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</Modal.Header>
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<Modal.Body>
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<Form>
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<Form.Group controlId='delete-torrent'>
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<Form.Check
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type="checkbox"
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label='Also delete files'
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checked={deleteFiles}
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onChange={() => setDeleteFiles(!deleteFiles)}>
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</Form.Check>
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</Form.Group>
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</Form>
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{error && <ErrorComponent error={error} />}
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</Modal.Body>
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<Modal.Footer>
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{deleting && <Spinner />}
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<Button variant="primary" onClick={deleteTorrent} disabled={deleting}>
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OK
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</Button>
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<Button variant="secondary" onClick={close}>
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Cancel
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</Button>
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</Modal.Footer>
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</Modal>
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}
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const TorrentActions: React.FC<{
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id: number, statsResponse: TorrentStats
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}> = ({ id, statsResponse }) => {
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let state = statsResponse.state;
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let [disabled, setDisabled] = useState<boolean>(false);
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let [deleting, setDeleting] = useState<boolean>(false);
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let refreshCtx = useContext(RefreshTorrentStatsContext);
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const canPause = state == 'live';
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const canUnpause = state == 'paused' || state == 'error';
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const ctx = useContext(AppContext);
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const unpause = () => {
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setDisabled(true);
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API.start(id).then(() => { refreshCtx.refresh() }, (e) => {
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ctx.setCloseableError({
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text: `Error starting torrent id=${id}`,
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details: e,
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});
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}).finally(() => setDisabled(false))
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};
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const pause = () => {
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setDisabled(true);
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API.pause(id).then(() => { refreshCtx.refresh() }, (e) => {
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ctx.setCloseableError({
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text: `Error pausing torrent id=${id}`,
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details: e,
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});
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}).finally(() => setDisabled(false))
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};
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const startDeleting = () => {
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setDisabled(true);
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setDeleting(true);
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}
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const cancelDeleting = () => {
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setDisabled(false);
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setDeleting(false);
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}
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return <Row>
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<Col>
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{canUnpause && <IconButton className="bi-play-circle" onClick={unpause} disabled={disabled} color='success' />}
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{canPause && <IconButton className="bi-pause-circle" onClick={pause} disabled={disabled} />}
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<IconButton className="bi-x-circle" onClick={startDeleting} disabled={disabled} color='danger' />
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<DeleteTorrentModal id={id} show={deleting} onHide={cancelDeleting} />
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</Col>
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</Row>
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}
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const TorrentRow: React.FC<{
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id: number, detailsResponse: TorrentDetails, statsResponse: TorrentStats
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}> = ({ id, detailsResponse, statsResponse }) => {
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const state = statsResponse?.state ?? "";
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const error = statsResponse?.error;
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const totalBytes = statsResponse?.total_bytes ?? 1;
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const progressBytes = statsResponse?.progress_bytes ?? 0;
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const finished = statsResponse?.finished || false;
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const progressPercentage = error ? 100 : (progressBytes / totalBytes) * 100;
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const isAnimated = (state == STATE_INITIALIZING || state == STATE_LIVE) && !finished;
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const progressLabel = error ? 'Error' : `${progressPercentage.toFixed(2)}%`;
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const progressBarVariant = error ? 'danger' : finished ? 'success' : state == STATE_INITIALIZING ? 'warning' : 'primary';
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const formatPeersString = () => {
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let peer_stats = statsResponse?.live?.snapshot.peer_stats;
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if (!peer_stats) {
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return '';
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}
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return `${peer_stats.live} / ${peer_stats.seen}`;
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}
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const formatDownloadSpeed = () => {
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if (finished) {
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return 'Completed';
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}
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switch (state) {
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case STATE_PAUSED: return 'Paused';
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case STATE_INITIALIZING: return 'Checking files';
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case STATE_ERROR: return 'Error';
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}
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return statsResponse.live?.download_speed.human_readable ?? "N/A";
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}
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let classNames = [];
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if (error) {
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classNames.push('bg-warning');
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} else {
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if (id % 2 == 0) {
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classNames.push('bg-light');
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}
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}
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return (
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<Row className={classNames.join(' ')}>
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<Column size={3} label="Name">
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{detailsResponse ?
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<>
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<div className='text-truncate'>
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{getLargestFileName(detailsResponse)}
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</div>
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{error && <p className='text-danger'><strong>Error:</strong> {error}</p>}
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</>
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: <Spinner />}
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</Column>
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{statsResponse ?
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<>
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<Column label="Size">{`${formatBytes(totalBytes)} `}</Column>
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<Column size={2} label={state == STATE_PAUSED ? 'Progress' : 'Progress'}>
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<ProgressBar
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now={progressPercentage}
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label={progressLabel}
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animated={isAnimated}
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variant={progressBarVariant} />
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</Column>
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<Column size={2} label="Down Speed">{formatDownloadSpeed()}</Column>
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<Column label="ETA">{getCompletionETA(statsResponse)}</Column>
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<Column size={2} label="Peers">{formatPeersString()}</Column >
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<Column label="Actions">
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<TorrentActions id={id} statsResponse={statsResponse} />
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</Column>
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</>
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: <Column label="Loading stats" size={8}><Spinner /></Column>
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}
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</Row >
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);
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}
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const Column: React.FC<{
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label: string,
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size?: number,
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children?: any
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}> = ({ size, label, children }) => (
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<Col md={size || 1} className='py-3'>
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<div className='fw-bold'>{label}</div>
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{children}
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</Col>
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);
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const Torrent = ({ id, torrent }) => {
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const [detailsResponse, updateDetailsResponse] = useState<TorrentDetails>(null);
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const [statsResponse, updateStatsResponse] = useState<TorrentStats>(null);
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const [forceStatsRefresh, setForceStatsRefresh] = useState(0);
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const forceStatsRefreshCallback = () => {
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setForceStatsRefresh(forceStatsRefresh + 1);
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}
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// Update details once.
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useEffect(() => {
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if (detailsResponse === null) {
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return loopUntilSuccess(async () => {
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await API.getTorrentDetails(torrent.id).then(updateDetailsResponse);
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}, 1000);
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}
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}, [detailsResponse]);
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// Update stats once then forever.
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useEffect(() => customSetInterval((async () => {
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const errorInterval = 10000;
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const liveInterval = 1000;
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const finishedInterval = 10000;
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const nonLiveInterval = 10000;
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return API.getTorrentStats(torrent.id).then((stats) => {
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updateStatsResponse(stats);
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return stats;
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}).then((stats) => {
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if (stats.finished) {
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return finishedInterval;
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}
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if (stats.state == STATE_INITIALIZING || stats.state == STATE_LIVE) {
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return liveInterval;
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}
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return nonLiveInterval;
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}, (e) => {
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return errorInterval;
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});
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}), 0), [forceStatsRefresh]);
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return <RefreshTorrentStatsContext.Provider value={{ refresh: forceStatsRefreshCallback }}>
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<TorrentRow id={id} detailsResponse={detailsResponse} statsResponse={statsResponse} />
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</RefreshTorrentStatsContext.Provider >
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}
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const TorrentsList = (props: { torrents: Array<TorrentId>, loading: boolean }) => {
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if (props.torrents === null && props.loading) {
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return <Spinner />
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}
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// The app either just started, or there was an error loading torrents.
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if (props.torrents === null) {
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return;
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}
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if (props.torrents.length === 0) {
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return <div className="text-center">
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<p>No existing torrents found. Add them through buttons below.</p>
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</div>;
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}
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return <>
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{props.torrents.map((t: TorrentId) =>
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<Torrent id={t.id} key={t.id} torrent={t} />
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)}
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</>;
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};
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const Root = () => {
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const [closeableError, setCloseableError] = useState<Error>(null);
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const [otherError, setOtherError] = useState<Error>(null);
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const [torrents, setTorrents] = useState<Array<TorrentId>>(null);
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const [torrentsLoading, setTorrentsLoading] = useState(false);
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const refreshTorrents = async () => {
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setTorrentsLoading(true);
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let torrents = await API.listTorrents().finally(() => setTorrentsLoading(false));
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setTorrents(torrents.torrents);
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};
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useEffect(() => {
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return customSetInterval(async () =>
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refreshTorrents().then(() => {
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setOtherError(null);
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return 5000;
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}, (e) => {
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setOtherError({ text: 'Error refreshing torrents', details: e });
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console.error(e);
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return 5000;
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}), 0);
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}, []);
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const context: ContextType = {
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setCloseableError,
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refreshTorrents,
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}
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return <AppContext.Provider value={context}>
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<div className='text-center'>
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<h1 className="mt-3 mb-4">rqbit web 4.0.0-beta.0</h1>
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<RootContent
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closeableError={closeableError}
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otherError={otherError}
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torrents={torrents}
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torrentsLoading={torrentsLoading} />
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</div>
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</AppContext.Provider >
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}
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const ErrorDetails = (props: { details: ErrorDetails }) => {
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let { details } = props;
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if (!details) {
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return null;
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}
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return <>
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{details.status && <strong>{details.status} {details.statusText}: </strong>}
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{details.text}
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</>
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}
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const ErrorComponent = (props: { error: Error, remove?: () => void }) => {
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let { error, remove } = props;
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if (error == null) {
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return null;
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}
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return (<Alert variant='danger' onClose={remove} dismissible={remove != null}>
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<Alert.Heading>{error.text}</Alert.Heading>
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<ErrorDetails details={error.details} />
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</Alert>);
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};
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const UploadButton = ({ buttonText, onClick, data, resetData, variant }) => {
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const [loading, setLoading] = useState(false);
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const [listTorrentResponse, setListTorrentResponse] = useState<AddTorrentResponse>(null);
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const [listTorrentError, setListTorrentError] = useState<Error>(null);
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const ctx = useContext(AppContext);
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const showModal = data !== null || listTorrentError !== null;
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// Get the torrent file list if there's data.
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useEffect(() => {
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if (data === null) {
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return;
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}
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let t = setTimeout(async () => {
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setLoading(true);
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try {
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const response = await API.uploadTorrent(data, { listOnly: true });
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setListTorrentResponse(response);
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} catch (e) {
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setListTorrentError({ text: 'Error listing torrent files', details: e });
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} finally {
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setLoading(false);
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}
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}, 0);
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return () => clearTimeout(t);
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}, [data]);
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const clear = () => {
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resetData();
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setListTorrentError(null);
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setListTorrentResponse(null);
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setLoading(false);
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}
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return (
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<>
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<Button variant={variant} onClick={onClick} className='m-1'>
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{buttonText}
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</Button>
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<FileSelectionModal
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show={showModal}
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onHide={clear}
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listTorrentError={listTorrentError}
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listTorrentResponse={listTorrentResponse}
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data={data}
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listTorrentLoading={loading}
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/>
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</>
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);
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};
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const MagnetInput = () => {
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let [magnet, setMagnet] = useState(null);
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const onClick = () => {
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const m = prompt('Enter magnet link or HTTP(s) URL');
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setMagnet(m === '' ? null : m);
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};
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return (
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<UploadButton variant='primary' buttonText="Add Torrent from Magnet / URL" onClick={onClick} data={magnet} resetData={() => setMagnet(null)} />
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);
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};
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const FileInput = () => {
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const inputRef = useRef<HTMLInputElement>();
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const [file, setFile] = useState(null);
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const onFileChange = async () => {
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const file = inputRef.current.files[0];
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setFile(file);
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};
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const reset = () => {
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inputRef.current.value = '';
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setFile(null);
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}
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const onClick = () => {
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inputRef.current.click();
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}
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return (
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<>
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<input type="file" ref={inputRef} accept=".torrent" onChange={onFileChange} className='d-none' />
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<UploadButton variant='secondary' buttonText="Upload .torrent File" onClick={onClick} data={file} resetData={reset} />
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</>
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);
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};
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const FileSelectionModal = (props: {
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show: boolean,
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onHide: () => void,
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listTorrentResponse: AddTorrentResponse,
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listTorrentError: Error,
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listTorrentLoading: boolean,
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data: string | File
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}) => {
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let { show, onHide, listTorrentResponse, listTorrentError, listTorrentLoading, data } = props;
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const [selectedFiles, setSelectedFiles] = useState([]);
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const [uploading, setUploading] = useState(false);
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const [uploadError, setUploadError] = useState<Error>(null);
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const [unpopularTorrent, setUnpopularTorrent] = useState(false);
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const ctx = useContext(AppContext);
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useEffect(() => {
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setSelectedFiles(listTorrentResponse ? listTorrentResponse.details.files.map((_, id) => id) : []);
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}, [listTorrentResponse]);
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const clear = () => {
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onHide();
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setSelectedFiles([]);
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setUploadError(null);
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setUploading(false);
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}
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const handleToggleFile = (toggledId: number) => {
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if (selectedFiles.includes(toggledId)) {
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setSelectedFiles(selectedFiles.filter((i) => i !== toggledId));
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} else {
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setSelectedFiles([...selectedFiles, toggledId]);
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}
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};
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const handleUpload = async () => {
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setUploading(true);
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let initialPeers = listTorrentResponse.seen_peers ? listTorrentResponse.seen_peers.slice(0, 32) : null;
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API.uploadTorrent(data, { selectedFiles, unpopularTorrent, initialPeers }).then(() => {
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onHide();
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ctx.refreshTorrents();
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},
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(e) => {
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setUploadError({ text: 'Error starting torrent', details: e });
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}
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).finally(() => setUploading(false));
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};
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return (
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<Modal show={show} onHide={clear} size='lg'>
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<Modal.Header closeButton>
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<Modal.Title>Add torrent</Modal.Title>
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</Modal.Header>
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<Modal.Body>
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<Form>
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<fieldset className='mb-5'>
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<legend>Pick the files to download</legend>
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{listTorrentLoading ? <Spinner />
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: listTorrentError ? <ErrorComponent error={listTorrentError}></ErrorComponent> :
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<>
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{listTorrentResponse?.details.files.map((file, index) => (
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<Form.Group key={index} controlId={`check-${index}`}>
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<Form.Check
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type="checkbox"
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label={`${file.name} (${formatBytes(file.length)})`}
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checked={selectedFiles.includes(index)}
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onChange={() => handleToggleFile(index)}>
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</Form.Check>
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</Form.Group>
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))}
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</>
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}
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</fieldset>
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|
<fieldset>
|
|
<legend>Other options</legend>
|
|
|
|
<Form.Group controlId='unpopular-torrent'>
|
|
<Form.Check
|
|
type="checkbox"
|
|
label="Increase timeouts"
|
|
checked={unpopularTorrent}
|
|
onChange={() => setUnpopularTorrent(!unpopularTorrent)}>
|
|
</Form.Check>
|
|
<small id="emailHelp" className="form-text text-muted">This might be useful for unpopular torrents with few peers.</small>
|
|
</Form.Group>
|
|
</fieldset>
|
|
|
|
</Form>
|
|
<ErrorComponent error={uploadError} />
|
|
</Modal.Body>
|
|
<Modal.Footer>
|
|
{uploading && <Spinner />}
|
|
<Button variant="primary" onClick={handleUpload} disabled={listTorrentLoading || uploading || selectedFiles.length == 0}>
|
|
OK
|
|
</Button>
|
|
<Button variant="secondary" onClick={clear}>
|
|
Cancel
|
|
</Button>
|
|
</Modal.Footer>
|
|
</Modal >
|
|
);
|
|
};
|
|
|
|
const Buttons = () => {
|
|
return (
|
|
<div id="buttons-container" className="mt-3">
|
|
<MagnetInput />
|
|
<FileInput />
|
|
</div>
|
|
);
|
|
};
|
|
|
|
const RootContent = (props: { closeableError: ErrorDetails, otherError: ErrorDetails, torrents: Array<TorrentId>, torrentsLoading: boolean }) => {
|
|
let ctx = useContext(AppContext);
|
|
return <Container>
|
|
<ErrorComponent error={props.closeableError} remove={() => ctx.setCloseableError(null)} />
|
|
<ErrorComponent error={props.otherError} />
|
|
<TorrentsList torrents={props.torrents} loading={props.torrentsLoading} />
|
|
<Buttons />
|
|
</Container>
|
|
};
|
|
|
|
function formatBytes(bytes: number): string {
|
|
if (bytes === 0) return '0 Bytes';
|
|
|
|
const k = 1024;
|
|
const sizes = ['Bytes', 'KB', 'MB', 'GB'];
|
|
|
|
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
|
|
|
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
|
|
}
|
|
|
|
function getLargestFileName(torrentDetails: TorrentDetails): string {
|
|
const largestFile = torrentDetails.files.filter(
|
|
(f) => f.included
|
|
).reduce(
|
|
(prev: any, current: any) => (prev.length > current.length) ? prev : current
|
|
);
|
|
return largestFile.name;
|
|
}
|
|
|
|
function getCompletionETA(stats: TorrentStats): string {
|
|
let duration = stats?.live?.time_remaining?.duration?.secs;
|
|
if (duration == null) {
|
|
return 'N/A';
|
|
}
|
|
return formatSecondsToTime(duration);
|
|
}
|
|
|
|
function formatSecondsToTime(seconds: number): string {
|
|
const hours = Math.floor(seconds / 3600);
|
|
const minutes = Math.floor((seconds % 3600) / 60);
|
|
const remainingSeconds = seconds % 60;
|
|
|
|
const formatUnit = (value: number, unit: string) => (value > 0 ? `${value}${unit}` : '');
|
|
|
|
if (hours > 0) {
|
|
return `${formatUnit(hours, 'h')} ${formatUnit(minutes, 'm')}`.trim();
|
|
} else if (minutes > 0) {
|
|
return `${formatUnit(minutes, 'm')} ${formatUnit(remainingSeconds, 's')}`.trim();
|
|
} else {
|
|
return `${formatUnit(remainingSeconds, 's')}`.trim();
|
|
}
|
|
}
|
|
|
|
// Run a function with initial interval, then run it forever with the interval that the
|
|
// callback returns.
|
|
// Returns a callback to clear it.
|
|
function customSetInterval(asyncCallback: () => Promise<number>, initialInterval: number): () => void {
|
|
let timeoutId: number;
|
|
let currentInterval: number = initialInterval;
|
|
|
|
const executeCallback = async () => {
|
|
currentInterval = await asyncCallback();
|
|
if (currentInterval === null || currentInterval === undefined) {
|
|
throw 'asyncCallback returned null or undefined';
|
|
}
|
|
scheduleNext();
|
|
}
|
|
|
|
let scheduleNext = () => {
|
|
timeoutId = setTimeout(executeCallback, currentInterval);
|
|
}
|
|
|
|
scheduleNext();
|
|
|
|
return () => {
|
|
clearTimeout(timeoutId);
|
|
};
|
|
}
|
|
|
|
function loopUntilSuccess<T>(callback: () => Promise<T>, interval: number): () => void {
|
|
let timeoutId: number;
|
|
|
|
const executeCallback = async () => {
|
|
let retry = await callback().then(() => false, () => true);
|
|
if (retry) {
|
|
scheduleNext();
|
|
}
|
|
}
|
|
|
|
let scheduleNext = (overrideInterval?: number) => {
|
|
timeoutId = setTimeout(executeCallback, overrideInterval !== undefined ? overrideInterval : interval);
|
|
}
|
|
|
|
scheduleNext(0);
|
|
|
|
return () => clearTimeout(timeoutId);
|
|
}
|
|
|
|
// List all torrents on page load and set up auto-refresh
|
|
async function init(): Promise<void> {
|
|
const torrentsContainer = document.getElementById('app');
|
|
ReactDOM.createRoot(torrentsContainer).render(<StrictMode><Root /></StrictMode>);
|
|
}
|
|
|
|
// Call init function on page load
|
|
document.addEventListener('DOMContentLoaded', init); |