feat: Inicializa a aplicação Downloader com backend para gerenciamento de sessões e downloads, e frontend para interação.
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Evandro Fonseca Junior committed
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@@ -14,7 +14,9 @@
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"lucide-react": "^0.564.0",
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"react": "^19.2.0",
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"react-dom": "^19.2.0",
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"tailwind-merge": "^3.4.0"
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"tailwind-merge": "^3.4.0",
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"uuid": "^13.0.0",
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"zod": "^3.25.76"
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},
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"devDependencies": {
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"@eslint/js": "^9.39.1",
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+70
-209
@@ -1,230 +1,91 @@
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import { useState } from "react";
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import { Layout } from "./components/ui/Layout";
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import "./App.css";
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import { DownloadForm } from "./components/feature/DownloadForm";
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import { DownloadItem, type DownloadItemData } from "./components/feature/DownloadItem";
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import { Card, CardContent, CardHeader, CardTitle } from "./components/ui/Card";
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import { DownloadItem } from "./components/feature/DownloadItem";
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import { Layout } from "./components/ui/Layout";
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import { Alert, AlertDescription, AlertTitle } from "./components/ui/Alert";
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import { AlertCircle } from "lucide-react";
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import { SessionProvider, useSession } from "./context/SessionContext";
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import { SessionTimer } from "./components/feature/SessionTimer";
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const API_URL = import.meta.env.VITE_API_URL ?? "http://localhost:3000";
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function DownloadList() {
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const { tasks, expiresAt } = useSession();
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function App() {
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const [downloads, setDownloads] = useState<DownloadItemData[]>([]);
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return (
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<div className="space-y-4">
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<div className="flex items-center justify-between">
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<h2 className="text-xl font-semibold tracking-tight">Active Downloads</h2>
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<SessionTimer expiresAt={expiresAt} />
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</div>
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const startDownload = async (itemId: number, url: string, resume = false) => {
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const existing = downloads.find((item) => item.id === itemId);
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const alreadyReceived = resume && existing?.receivedBytes
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? existing.receivedBytes
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: 0;
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{tasks.length === 0 ? (
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<div className="flex flex-col items-center justify-center py-12 text-center text-muted-foreground border-2 border-dashed rounded-lg bg-card/50">
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<p>No downloads in session</p>
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<p className="text-xs opacity-70">Files are removed after 1 hour of inactivity</p>
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</div>
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) : (
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<div className="grid gap-4">
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{tasks.map((task) => (
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<DownloadItem key={task.id} item={task} />
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))}
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</div>
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)}
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</div>
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);
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}
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setDownloads((current) =>
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current.map((item) =>
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item.id === itemId
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? {
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...item,
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status: "downloading",
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progress: item.progress ?? 0,
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error: undefined,
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speedHistory: [], // Reset history on start/resume
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}
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: item,
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),
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);
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function Main() {
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const { queueDownload } = useSession();
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const handleDownload = async (url: string) => {
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try {
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const query = new URLSearchParams({
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url,
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});
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if (resume && alreadyReceived > 0) {
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query.set("offset", String(alreadyReceived));
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}
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const response = await fetch(
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`${API_URL}/stream?${query.toString()}`,
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);
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if (!response.ok || !response.body) {
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const message = "Failed to start download.";
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setDownloads((current) =>
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current.map((item) =>
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item.id === itemId
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? { ...item, status: "error", error: message, progress: null }
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: item,
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),
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);
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return;
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}
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const contentLengthHeader =
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response.headers.get("x-origin-content-length") ??
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response.headers.get("content-length");
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const totalBytes = contentLengthHeader
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? Number.parseInt(contentLengthHeader, 10)
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: 0;
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const reader = response.body.getReader();
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const chunks: BlobPart[] = [];
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let received = alreadyReceived;
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const startedAt = performance.now();
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// eslint-disable-next-line no-constant-condition
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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if (value) {
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chunks.push(value.buffer as ArrayBuffer);
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received += value.length;
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const elapsedSeconds = (performance.now() - startedAt) / 1000;
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const bytesPerSecond =
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elapsedSeconds > 0 ? received / elapsedSeconds : 0;
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const percentage =
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totalBytes > 0 ? Math.round((received / totalBytes) * 100) : null;
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setDownloads((current) =>
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current.map((item) => {
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if (item.id !== itemId) return item;
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const newHistory = [...(item.speedHistory || []), bytesPerSecond];
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// Keep last 50 data points for the graph
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if (newHistory.length > 50) newHistory.shift();
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return {
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...item,
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progress: percentage,
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receivedBytes: received,
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totalBytes: totalBytes || item.totalBytes,
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speedBytesPerSecond: bytesPerSecond,
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speedHistory: newHistory,
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};
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}),
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);
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}
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}
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const contentType =
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response.headers.get("content-type") ?? "application/octet-stream";
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const blob = new Blob(chunks, { type: contentType });
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const disposition = response.headers.get("content-disposition");
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const fallbackName = (() => {
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try {
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const parsed = new URL(url);
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const nameFromPath = parsed.pathname.split("/").filter(Boolean).pop();
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return nameFromPath ?? "download.bin";
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} catch {
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return "download.bin";
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}
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})();
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const filename = (() => {
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if (disposition) {
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const match =
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/filename\*?=(?:UTF-8''|")?([^";]+)/i.exec(disposition);
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if (match?.[1]) {
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return decodeURIComponent(match[1].replace(/"/g, ""));
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}
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}
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return fallbackName;
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})();
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const blobUrl = URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = blobUrl;
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link.download = filename;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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URL.revokeObjectURL(blobUrl);
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setDownloads((current) =>
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current.map((item) =>
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item.id === itemId
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? { ...item, status: "completed", progress: 100 }
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: item,
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),
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);
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} catch (err) {
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const message =
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err instanceof Error ? err.message : "Unexpected error during download.";
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setDownloads((current) =>
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current.map((item) =>
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item.id === itemId
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? { ...item, status: "error", error: message, progress: null }
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: item,
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),
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);
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await queueDownload(url);
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} catch (error) {
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console.error("Failed to queue", error);
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}
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};
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const handleNewDownloads = (urls: string[]) => {
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const baseId = Date.now();
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const newItems: DownloadItemData[] = urls.map((value, index) => ({
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id: baseId + index,
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url: value,
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status: "pending",
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progress: 0,
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speedHistory: [],
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}));
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setDownloads((current) => [...newItems, ...current]);
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newItems.forEach((item) => {
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void startDownload(item.id, item.url);
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});
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};
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const handleRetry = (id: number, url: string) => {
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void startDownload(id, url, true);
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};
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return (
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<Layout>
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<div className="grid gap-8 lg:grid-cols-[400px_1fr]">
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<div className="space-y-6">
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<DownloadForm onSubmit={handleNewDownloads} />
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<Card className="border-border/50 bg-card/50 backdrop-blur-sm hidden lg:block">
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<CardHeader>
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<CardTitle className="text-lg">Tips</CardTitle>
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</CardHeader>
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<CardContent className="text-sm text-muted-foreground space-y-2">
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<p>• Use direct links ending in .iso, .zip, .mp4, etc.</p>
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<p>• Downloads are streamed directly to your browser memory, then saved.</p>
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<p>• If the tab closes, the download is lost.</p>
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</CardContent>
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</Card>
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</div>
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<section className="space-y-6">
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<div className="flex items-center justify-between">
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<h2 className="text-2xl font-bold tracking-tight">Active Downloads</h2>
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<span className="text-sm text-muted-foreground">{downloads.length} items</span>
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</div>
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<div className="space-y-4">
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{downloads.length === 0 ? (
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<div className="flex flex-col items-center justify-center rounded-lg border border-dashed p-12 text-center animate-in fade-in-50">
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<div className="mb-4 rounded-full bg-secondary/50 p-4">
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<div className="i-lucide-download size-8 text-muted-foreground" />
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</div>
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<h3 className="text-lg font-semibold">No downloads yet</h3>
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<p className="mt-2 text-sm text-muted-foreground max-w-sm">
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Paste your links on the left sidebar to get started. The VPS proxy will handle the connection.
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<div className="grid gap-8 lg:grid-cols-12">
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{/* Left Column: Input Form */}
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<div className="lg:col-span-4 space-y-6">
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<div className="sticky top-24 space-y-6">
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<section className="space-y-4">
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<div className="space-y-2">
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<h2 className="text-xl font-semibold tracking-tight">New Download</h2>
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<p className="text-sm text-muted-foreground">
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Paste a link to start. Files are downloaded to the server first.
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</p>
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</div>
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) : (
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downloads.map((item) => (
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<DownloadItem
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key={item.id}
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item={item}
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onRetry={handleRetry}
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/>
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))
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)}
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<DownloadForm onDownload={handleDownload} />
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</section>
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<Alert variant="destructive">
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<AlertCircle className="h-4 w-4" />
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<AlertTitle>Ephemeral Session</AlertTitle>
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<AlertDescription>
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Files are stored for <strong>1 hour</strong>. The timer resets on interaction.
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After expiration, all files are permanently deleted.
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</AlertDescription>
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</Alert>
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</div>
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</section>
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</div>
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{/* Right Column: Downloads List */}
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<div className="lg:col-span-8">
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<DownloadList />
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</div>
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</div>
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</Layout>
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);
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}
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function App() {
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return (
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<SessionProvider>
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<Main />
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</SessionProvider>
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);
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}
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export default App;
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@@ -1,75 +1,54 @@
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import { useState } from "react";
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import type { FormEvent } from "react";
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import { Download } from "lucide-react";
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import { Button } from "../ui/Button";
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import { Textarea } from "../ui/Textarea";
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import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "../ui/Card";
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import { Input } from "../ui/Input";
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import { Download } from "lucide-react";
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import { z } from "zod";
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const formSchema = z.object({
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url: z.string().url("Please enter a valid URL"),
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});
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interface DownloadFormProps {
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onSubmit: (urls: string[]) => void;
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onDownload: (url: string) => void;
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}
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export function DownloadForm({ onSubmit }: DownloadFormProps) {
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const [text, setText] = useState("");
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export function DownloadForm({ onDownload }: DownloadFormProps) {
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const [url, setUrl] = useState("");
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const [error, setError] = useState<string | null>(null);
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const handleSubmit = (e: FormEvent) => {
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const handleSubmit = (e: React.FormEvent) => {
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e.preventDefault();
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setError(null);
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const urls = text
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.split(/\r?\n/)
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.map((u) => u.trim())
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.filter(Boolean);
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const result = formSchema.safeParse({ url });
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if (urls.length === 0) {
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setError("Please enter at least one URL.");
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if (!result.success) {
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setError(result.error.errors[0].message);
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return;
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}
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const invalidUrl = urls.find((u) => {
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try {
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new URL(u);
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return false;
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} catch {
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return true;
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}
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});
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if (invalidUrl) {
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setError(`Invalid URL detected: ${invalidUrl}`);
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return;
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}
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onSubmit(urls);
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setText("");
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onDownload(url);
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setUrl("");
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};
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return (
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<Card className="border-border/50 bg-card/50 backdrop-blur-sm">
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<CardHeader>
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<CardTitle>New Download</CardTitle>
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<CardDescription>
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Enter direct links (HTTP/HTTPS) to stream via VPS. One URL per line.
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</CardDescription>
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</CardHeader>
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<CardContent>
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<form onSubmit={handleSubmit} className="space-y-4">
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<Textarea
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placeholder="https://example.com/file.iso"
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className="min-h-[120px] font-mono text-sm"
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value={text}
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onChange={(e) => setText(e.target.value)}
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<form onSubmit={handleSubmit} className="flex w-full flex-col gap-4">
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<div className="flex w-full items-start gap-2">
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<div className="flex-1 space-y-1">
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<Input
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type="url"
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placeholder="https://example.com/file.zip"
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value={url}
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onChange={(e) => setUrl(e.target.value)}
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className={error ? "border-destructive focus-visible:ring-destructive" : ""}
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/>
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{error && <p className="text-sm text-destructive">{error}</p>}
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<div className="flex justify-end">
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<Button type="submit" className="w-full sm:w-auto">
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<Download className="mr-2 size-4" />
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Start Download
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</Button>
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</div>
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</form>
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</CardContent>
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</Card>
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{error && <p className="text-xs text-destructive">{error}</p>}
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</div>
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<Button type="submit">
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<Download className="mr-2 h-4 w-4" />
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Download
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</Button>
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</div>
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</form>
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);
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}
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@@ -1,153 +1,137 @@
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import {
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Download,
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FileCheck,
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FileWarning,
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Loader2,
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Play,
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Server,
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HardDrive
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} from "lucide-react";
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import { Button } from "../ui/Button";
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import { Card, CardContent } from "../ui/Card";
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import { Progress } from "../ui/ProgressBar";
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import { formatBytes, formatSpeed } from "../../lib/utils";
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export type DownloadStatus = "pending" | "downloading" | "completed" | "error";
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const API_URL = import.meta.env.VITE_API_URL || "http://localhost:3000";
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|
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export type DownloadStatus = "queued" | "downloading" | "completed" | "error";
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|
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export type DownloadItemData = {
|
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id: number;
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id: string;
|
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sessionId: string;
|
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url: string;
|
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filename: string;
|
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status: DownloadStatus;
|
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progress: number | null;
|
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receivedBytes?: number;
|
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totalBytes?: number;
|
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speedBytesPerSecond?: number;
|
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speedHistory: number[];
|
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progress: number;
|
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totalBytes: number;
|
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receivedBytes: number;
|
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speed: number;
|
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error?: string;
|
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createdAt: number;
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};
|
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|
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interface DownloadItemProps {
|
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item: DownloadItemData;
|
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onRetry: (id: number, url: string) => void;
|
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}
|
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|
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export function DownloadItem({ item, onRetry }: DownloadItemProps) {
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export function DownloadItem({ item }: DownloadItemProps) {
|
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const isCompleted = item.status === "completed";
|
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const isError = item.status === "error";
|
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const isDownloading = item.status === "downloading";
|
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const isQueued = item.status === "queued";
|
||||
|
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const handleDownloadFile = () => {
|
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const download = async () => {
|
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try {
|
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const sessionId = localStorage.getItem("downloader_session_id") || "";
|
||||
const res = await fetch(`${API_URL}/api/download/${item.id}`, {
|
||||
headers: { "x-session-id": sessionId }
|
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});
|
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if (!res.ok) throw new Error("Download failed");
|
||||
|
||||
const blob = await res.blob();
|
||||
const url = window.URL.createObjectURL(blob);
|
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const a = document.createElement("a");
|
||||
a.href = url;
|
||||
a.download = item.filename;
|
||||
document.body.appendChild(a);
|
||||
a.click();
|
||||
window.URL.revokeObjectURL(url);
|
||||
document.body.removeChild(a);
|
||||
} catch (e) {
|
||||
alert("Failed to download file");
|
||||
}
|
||||
};
|
||||
|
||||
download();
|
||||
};
|
||||
|
||||
return (
|
||||
<Card className="overflow-hidden transition-all hover:bg-muted/50">
|
||||
<CardContent className="p-4">
|
||||
<div className="flex items-start justify-between gap-4">
|
||||
<div className="min-w-0 flex-1 space-y-3">
|
||||
<div className="flex items-center gap-2">
|
||||
<div
|
||||
className={`flex size-8 shrink-0 items-center justify-center rounded-full bg-secondary text-muted-foreground ${isCompleted ? "bg-green-500/10 text-green-500" : ""
|
||||
} ${isError ? "bg-red-500/10 text-red-500" : ""} ${isDownloading ? "bg-primary/10 text-primary" : ""
|
||||
}`}
|
||||
>
|
||||
{isCompleted ? (
|
||||
<FileCheck className="size-4" />
|
||||
) : isError ? (
|
||||
<FileWarning className="size-4" />
|
||||
) : isDownloading ? (
|
||||
<Download className="size-4 animate-bounce" />
|
||||
) : (
|
||||
<Loader2 className="size-4 animate-spin" />
|
||||
)}
|
||||
<div className="flex items-start gap-4">
|
||||
<div className="mt-1">
|
||||
{isCompleted ? (
|
||||
<div className="flex h-10 w-10 items-center justify-center rounded-full bg-green-500/10 text-green-500">
|
||||
<FileCheck className="h-5 w-5" />
|
||||
</div>
|
||||
<div className="min-w-0 flex-1">
|
||||
<p className="truncate text-sm font-medium leading-none">
|
||||
{item.url.split("/").pop() || item.url}
|
||||
</p>
|
||||
<p className="mt-1 truncate text-xs text-muted-foreground">
|
||||
{item.url}
|
||||
</p>
|
||||
) : isError ? (
|
||||
<div className="flex h-10 w-10 items-center justify-center rounded-full bg-destructive/10 text-destructive">
|
||||
<FileWarning className="h-5 w-5" />
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="space-y-1">
|
||||
<div className="flex items-center justify-between text-xs text-muted-foreground">
|
||||
<span>{item.progress ?? 0}%</span>
|
||||
<span>
|
||||
<span>
|
||||
{item.status === "downloading" &&
|
||||
formatSpeed(item.speedBytesPerSecond)}
|
||||
</span>
|
||||
</span>
|
||||
) : isQueued ? (
|
||||
<div className="flex h-10 w-10 items-center justify-center rounded-full bg-secondary text-secondary-foreground">
|
||||
<Server className="h-5 w-5 animate-pulse" />
|
||||
</div>
|
||||
<Progress
|
||||
value={item.progress}
|
||||
className={`h-2 ${isError ? "bg-red-900/20" : ""} ${isCompleted ? "bg-green-900/20" : ""
|
||||
}`}
|
||||
indicatorClassName={`${isError ? "bg-red-500" : ""} ${isCompleted ? "bg-green-500" : ""
|
||||
}`}
|
||||
/>
|
||||
|
||||
{/* Sparkline for speed history */}
|
||||
{item.status === "downloading" && item.speedHistory.length > 1 && (
|
||||
<div className="h-8 w-full overflow-hidden opacity-50">
|
||||
<svg
|
||||
className="h-full w-full"
|
||||
viewBox={`0 0 ${item.speedHistory.length - 1} 100`}
|
||||
preserveAspectRatio="none"
|
||||
>
|
||||
<path
|
||||
d={`M 0,100 ${item.speedHistory
|
||||
.map((s, i) => {
|
||||
const max = Math.max(...item.speedHistory);
|
||||
const y = max > 0 ? 100 - (s / max) * 100 : 100;
|
||||
return `L ${i},${y}`;
|
||||
})
|
||||
.join(" ")} L ${item.speedHistory.length - 1},100 Z`}
|
||||
fill="currentColor"
|
||||
className="text-primary/20"
|
||||
/>
|
||||
<path
|
||||
d={`M 0,${100 - (item.speedHistory[0] / Math.max(...item.speedHistory)) * 100} ${item.speedHistory
|
||||
.map((s, i) => {
|
||||
const max = Math.max(...item.speedHistory);
|
||||
const y = max > 0 ? 100 - (s / max) * 100 : 100;
|
||||
return `L ${i},${y}`;
|
||||
})
|
||||
.join(" ")}`}
|
||||
fill="none"
|
||||
stroke="currentColor"
|
||||
strokeWidth="1"
|
||||
className="text-primary"
|
||||
vectorEffect="non-scaling-stroke"
|
||||
/>
|
||||
</svg>
|
||||
</div>
|
||||
)}
|
||||
|
||||
<div className="flex items-center justify-between text-xs text-muted-foreground">
|
||||
<span>
|
||||
{formatBytes(item.receivedBytes)} /{" "}
|
||||
{formatBytes(item.totalBytes)}
|
||||
</span>
|
||||
<span className="capitalize">{item.status}</span>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{isError && (
|
||||
<div className="rounded-md bg-destructive/10 p-2 text-xs text-destructive">
|
||||
{item.error}
|
||||
) : (
|
||||
<div className="flex h-10 w-10 items-center justify-center rounded-full bg-primary/10 text-primary">
|
||||
<Loader2 className="h-5 w-5 animate-spin" />
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
|
||||
<div className="flex flex-col gap-2">
|
||||
<div className="flex-1 space-y-1 min-w-0">
|
||||
<div className="flex items-start justify-between gap-2">
|
||||
<div className="space-y-1 truncate">
|
||||
<h3 className="font-medium leading-none truncate" title={item.filename || item.url}>
|
||||
{item.filename || item.url}
|
||||
</h3>
|
||||
<p className="text-xs text-muted-foreground truncate" title={item.url}>
|
||||
{item.url}
|
||||
</p>
|
||||
</div>
|
||||
{isCompleted && (
|
||||
<Button size="sm" onClick={handleDownloadFile} className="shrink-0 gap-2">
|
||||
<HardDrive className="w-4 h-4" />
|
||||
Save to Disk
|
||||
</Button>
|
||||
)}
|
||||
</div>
|
||||
|
||||
{/* Progress Section */}
|
||||
{!isCompleted && !isError && (
|
||||
<div className="space-y-2 pt-2">
|
||||
<div className="flex justify-between text-xs text-muted-foreground">
|
||||
<span>{isQueued ? "Queued on server..." : item.status}</span>
|
||||
<span>{formatBytes(item.receivedBytes || 0)} / {item.totalBytes ? formatBytes(item.totalBytes) : "??"}</span>
|
||||
</div>
|
||||
<Progress value={item.progress || 0} className="h-1.5" />
|
||||
<div className="flex justify-between text-xs text-muted-foreground">
|
||||
<span>{item.speed ? formatSpeed(item.speed) : "0 B/s"}</span>
|
||||
<span>{item.progress ? `${Math.round(item.progress)}%` : "0%"}</span>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{isCompleted && (
|
||||
<div className="pt-2 flex items-center gap-2 text-xs text-green-500">
|
||||
<FileCheck className="w-3 h-3" />
|
||||
<span>Ready for download ({formatBytes(item.totalBytes)})</span>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{isError && (
|
||||
<Button
|
||||
variant="outline"
|
||||
size="icon"
|
||||
onClick={() => onRetry(item.id, item.url)}
|
||||
className="h-8 w-8"
|
||||
>
|
||||
<Play className="size-4" />
|
||||
</Button>
|
||||
<div className="text-sm text-destructive pt-1">
|
||||
{item.error || "Unknown error occurred"}
|
||||
</div>
|
||||
)}
|
||||
{/* Placeholder for pause/cancel in future */}
|
||||
</div>
|
||||
</div>
|
||||
</CardContent>
|
||||
|
||||
@@ -0,0 +1,48 @@
|
||||
import { useEffect, useState } from "react";
|
||||
import { Clock } from "lucide-react";
|
||||
import { cn } from "../../lib/utils";
|
||||
|
||||
interface SessionTimerProps {
|
||||
expiresAt: string | null;
|
||||
className?: string;
|
||||
}
|
||||
|
||||
export function SessionTimer({ expiresAt, className }: SessionTimerProps) {
|
||||
const [timeLeft, setTimeLeft] = useState<string>("--:--");
|
||||
const [isCritical, setIsCritical] = useState(false);
|
||||
|
||||
useEffect(() => {
|
||||
if (!expiresAt) return;
|
||||
|
||||
const tick = () => {
|
||||
const now = Date.now();
|
||||
const end = new Date(expiresAt).getTime();
|
||||
const diff = Math.max(0, end - now);
|
||||
|
||||
if (diff <= 0) {
|
||||
setTimeLeft("Expired");
|
||||
setIsCritical(true);
|
||||
return;
|
||||
}
|
||||
|
||||
const minutes = Math.floor(diff / 60000);
|
||||
const seconds = Math.floor((diff % 60000) / 1000);
|
||||
|
||||
setTimeLeft(`${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`);
|
||||
setIsCritical(minutes < 5); // Critical if less than 5 minutes
|
||||
};
|
||||
|
||||
tick(); // Initial call
|
||||
const interval = setInterval(tick, 1000);
|
||||
return () => clearInterval(interval);
|
||||
}, [expiresAt]);
|
||||
|
||||
if (!expiresAt) return null;
|
||||
|
||||
return (
|
||||
<div className={cn("flex items-center gap-2 text-sm font-medium", isCritical ? "text-destructive" : "text-muted-foreground", className)}>
|
||||
<Clock className="w-4 h-4" />
|
||||
<span>Session: {timeLeft}</span>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,46 @@
|
||||
import * as React from "react"
|
||||
import { cn } from "../../lib/utils"
|
||||
|
||||
const Alert = React.forwardRef<
|
||||
HTMLDivElement,
|
||||
React.HTMLAttributes<HTMLDivElement> & { variant?: "default" | "destructive" }
|
||||
>(({ className, variant = "default", ...props }, ref) => (
|
||||
<div
|
||||
ref={ref}
|
||||
role="alert"
|
||||
className={cn(
|
||||
"relative w-full rounded-lg border p-4 [&>svg~*]:pl-7 [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground",
|
||||
variant === "destructive" &&
|
||||
"border-destructive/50 text-destructive dark:border-destructive [&>svg]:text-destructive",
|
||||
className
|
||||
)}
|
||||
{...props}
|
||||
/>
|
||||
))
|
||||
Alert.displayName = "Alert"
|
||||
|
||||
const AlertTitle = React.forwardRef<
|
||||
HTMLParagraphElement,
|
||||
React.HTMLAttributes<HTMLHeadingElement>
|
||||
>(({ className, ...props }, ref) => (
|
||||
<h5
|
||||
ref={ref}
|
||||
className={cn("mb-1 font-medium leading-none tracking-tight", className)}
|
||||
{...props}
|
||||
/>
|
||||
))
|
||||
AlertTitle.displayName = "AlertTitle"
|
||||
|
||||
const AlertDescription = React.forwardRef<
|
||||
HTMLParagraphElement,
|
||||
React.HTMLAttributes<HTMLParagraphElement>
|
||||
>(({ className, ...props }, ref) => (
|
||||
<div
|
||||
ref={ref}
|
||||
className={cn("text-sm [&_p]:leading-relaxed", className)}
|
||||
{...props}
|
||||
/>
|
||||
))
|
||||
AlertDescription.displayName = "AlertDescription"
|
||||
|
||||
export { Alert, AlertTitle, AlertDescription }
|
||||
@@ -0,0 +1,133 @@
|
||||
import React, { createContext, useContext, useEffect, useState } from "react";
|
||||
|
||||
type SessionData = {
|
||||
sessionId: string;
|
||||
expiresAt: string;
|
||||
remainingMs: number;
|
||||
};
|
||||
|
||||
type DownloadTask = {
|
||||
id: string;
|
||||
sessionId: string;
|
||||
url: string;
|
||||
filename: string;
|
||||
status: "queued" | "downloading" | "completed" | "error";
|
||||
progress: number;
|
||||
totalBytes: number;
|
||||
receivedBytes: number;
|
||||
speed: number;
|
||||
error?: string;
|
||||
createdAt: number;
|
||||
};
|
||||
|
||||
type SessionContextType = {
|
||||
sessionId: string;
|
||||
tasks: DownloadTask[];
|
||||
expiresAt: string | null;
|
||||
queueDownload: (url: string) => Promise<void>;
|
||||
refreshTasks: () => void;
|
||||
};
|
||||
|
||||
const SessionContext = createContext<SessionContextType | null>(null);
|
||||
|
||||
const API_URL = import.meta.env.VITE_API_URL || "";
|
||||
|
||||
export function SessionProvider({ children }: { children: React.ReactNode }) {
|
||||
const [sessionId, setSessionId] = useState<string>(() => {
|
||||
return localStorage.getItem("downloader_session_id") || "";
|
||||
});
|
||||
const [tasks, setTasks] = useState<DownloadTask[]>([]);
|
||||
const [expiresAt, setExpiresAt] = useState<string | null>(null);
|
||||
|
||||
// Initialize Session
|
||||
useEffect(() => {
|
||||
const initSession = async () => {
|
||||
try {
|
||||
const headers: Record<string, string> = {};
|
||||
if (sessionId) headers["x-session-id"] = sessionId;
|
||||
|
||||
const res = await fetch(`${API_URL}/api/session`, { headers });
|
||||
const data = (await res.json()) as SessionData;
|
||||
|
||||
if (data.sessionId && data.sessionId !== sessionId) {
|
||||
setSessionId(data.sessionId);
|
||||
localStorage.setItem("downloader_session_id", data.sessionId);
|
||||
}
|
||||
setExpiresAt(data.expiresAt);
|
||||
} catch (err) {
|
||||
console.error("Failed to init session", err);
|
||||
}
|
||||
};
|
||||
|
||||
initSession();
|
||||
}, [sessionId]);
|
||||
|
||||
// Poll Tasks
|
||||
const refreshTasks = async () => {
|
||||
if (!sessionId) return;
|
||||
try {
|
||||
const res = await fetch(`${API_URL}/api/tasks`, {
|
||||
headers: { "x-session-id": sessionId },
|
||||
});
|
||||
if (res.ok) {
|
||||
const data = await res.json();
|
||||
setTasks(data);
|
||||
}
|
||||
} catch (err) {
|
||||
console.error("Failed to fetch tasks", err);
|
||||
}
|
||||
};
|
||||
|
||||
useEffect(() => {
|
||||
if (!sessionId) return;
|
||||
|
||||
// Initial fetch
|
||||
refreshTasks();
|
||||
|
||||
// Poll every 2 seconds
|
||||
const interval = setInterval(refreshTasks, 2000);
|
||||
return () => clearInterval(interval);
|
||||
}, [sessionId]);
|
||||
|
||||
const queueDownload = async (url: string) => {
|
||||
if (!sessionId) return;
|
||||
try {
|
||||
const res = await fetch(`${API_URL}/api/queue`, {
|
||||
method: "POST",
|
||||
headers: {
|
||||
"Content-Type": "application/json",
|
||||
"x-session-id": sessionId,
|
||||
},
|
||||
body: JSON.stringify({ url }),
|
||||
});
|
||||
|
||||
if (!res.ok) throw new Error("Failed to queue download");
|
||||
|
||||
await refreshTasks(); // Immediate refresh
|
||||
|
||||
// Update expiration from action
|
||||
// Ideally we should re-fetch /api/session here too, or just rely on the side-effect
|
||||
const sessionRes = await fetch(`${API_URL}/api/session`, {
|
||||
headers: { "x-session-id": sessionId }
|
||||
});
|
||||
const sessionData = await sessionRes.json();
|
||||
setExpiresAt(sessionData.expiresAt);
|
||||
|
||||
} catch (err) {
|
||||
console.error(err);
|
||||
throw err;
|
||||
}
|
||||
};
|
||||
|
||||
return (
|
||||
<SessionContext.Provider value={{ sessionId, tasks, expiresAt, queueDownload, refreshTasks }}>
|
||||
{children}
|
||||
</SessionContext.Provider>
|
||||
);
|
||||
}
|
||||
|
||||
export function useSession() {
|
||||
const context = useContext(SessionContext);
|
||||
if (!context) throw new Error("useSession must be used within SessionProvider");
|
||||
return context;
|
||||
}
|
||||
Reference in new issue
Block a user