Move frontend dir
This commit is contained in:
IgorVolochay
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<!DOCTYPE html>
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<html lang="ru">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Аналог DropMeFiles</title>
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<link rel="stylesheet" href="./style.css">
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</head>
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<body>
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<div id="uploadPage">
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<h1>Аналог DropMeFiles</h1>
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<div class="upload-container">
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<form id="uploadForm">
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<label class="dropzone" id="dropzone">
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<input id="fileInput" type="file">
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<p class="strong">Перетащите файл сюда или нажмите, чтобы выбрать</p>
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<p>Максимальный размер файла: <span id="maxFileSize">загрузка...</span></p>
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</label>
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<button type="submit" id="uploadButton" disabled>Загрузить</button>
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</form>
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<div class="status" id="status"></div>
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</div>
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</div>
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<div id="downloadPage" style="display: none;">
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<h1>Скачать файл</h1>
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<div class="upload-container">
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<div id="downloadContent">
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<div class="status" id="downloadStatus">Загрузка...</div>
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</div>
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</div>
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</div>
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<script src="./script.js"></script>
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</body>
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</html>
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@@ -0,0 +1,214 @@
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// Utility function to format bytes to human-readable format
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function formatBytes(bytes) {
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return Math.round((bytes / Math.pow(k, i)) * 100) / 100 + ' ' + sizes[i];
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}
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// Check if we're on the download page
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const path = window.location.pathname;
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const downloadMatch = path.match(/^\/get\/([a-zA-Z0-9]{6})$/);
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if (downloadMatch) {
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// Show download page
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document.getElementById('uploadPage').style.display = 'none';
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document.getElementById('downloadPage').style.display = 'block';
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const fileUuid = downloadMatch[1];
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handleDownloadPage(fileUuid);
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} else {
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// Show upload page
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document.getElementById('uploadPage').style.display = 'block';
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document.getElementById('downloadPage').style.display = 'none';
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initUploadPage();
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}
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// Download page handler
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async function handleDownloadPage(fileUuid) {
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const downloadStatus = document.getElementById('downloadStatus');
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const downloadContent = document.getElementById('downloadContent');
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try {
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const response = await fetch(`/get_download_link/${fileUuid}`);
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const data = await response.json();
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if (data.error || !data.result || !data.result.data) {
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downloadStatus.textContent = data.result?.comment || 'Ошибка при получении файла';
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downloadStatus.className = 'status error';
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return;
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}
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const fileData = data.result.data;
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downloadContent.innerHTML = `
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<div class="file-info">
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<h2>${fileData.file_name}</h2>
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<p class="file-size">Размер: ${formatBytes(parseInt(fileData.file_size))}</p>
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<a href="${fileData.url}" download="${fileData.file_name}" class="download-button">
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Скачать файл
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</a>
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</div>
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`;
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downloadStatus.style.display = 'none';
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} catch (error) {
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downloadStatus.textContent = `Ошибка: ${error.message}`;
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downloadStatus.className = 'status error';
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}
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}
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// Upload page initialization
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function initUploadPage() {
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const fileInput = document.getElementById('fileInput');
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const dropzone = document.getElementById('dropzone');
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const uploadButton = document.getElementById('uploadButton');
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const uploadForm = document.getElementById('uploadForm');
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const statusDiv = document.getElementById('status');
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const maxFileSizeSpan = document.getElementById('maxFileSize');
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let maxFileSizeBytes = 0;
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// Fetch max file size on page load
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async function loadMaxFileSize() {
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try {
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const response = await fetch('/max_file_size');
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if (!response.ok) {
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throw new Error(`Ошибка сервера: ${response.status}`);
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}
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maxFileSizeBytes = await response.json();
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maxFileSizeSpan.textContent = formatBytes(maxFileSizeBytes);
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// Set max file size attribute
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fileInput.setAttribute('data-max-size', maxFileSizeBytes);
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} catch (error) {
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maxFileSizeSpan.textContent = 'ошибка загрузки';
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maxFileSizeSpan.style.color = '#dc2626';
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console.error('Error loading max file size:', error);
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}
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}
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loadMaxFileSize();
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const updateButtonState = () => {
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if (!fileInput.files || fileInput.files.length === 0) {
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uploadButton.disabled = true;
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return;
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}
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const file = fileInput.files[0];
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if (file.size > maxFileSizeBytes && maxFileSizeBytes > 0) {
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setStatus(`Файл слишком большой. Максимальный размер: ${formatBytes(maxFileSizeBytes)}`, 'error');
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uploadButton.disabled = true;
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return;
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}
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uploadButton.disabled = false;
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setStatus('', '');
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};
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const setStatus = (message, type = '') => {
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statusDiv.textContent = message;
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statusDiv.className = type ? `status ${type}` : 'status';
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};
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dropzone.addEventListener('dragover', (event) => {
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event.preventDefault();
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dropzone.classList.add('dragover');
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});
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dropzone.addEventListener('dragleave', () => {
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dropzone.classList.remove('dragover');
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});
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dropzone.addEventListener('drop', (event) => {
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event.preventDefault();
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dropzone.classList.remove('dragover');
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if (event.dataTransfer?.files?.length) {
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// Only take the first file
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const dataTransfer = new DataTransfer();
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dataTransfer.items.add(event.dataTransfer.files[0]);
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fileInput.files = dataTransfer.files;
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updateButtonState();
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}
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});
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fileInput.addEventListener('change', () => {
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updateButtonState();
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});
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uploadForm.addEventListener('submit', async (event) => {
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event.preventDefault();
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if (!fileInput.files || fileInput.files.length === 0) {
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setStatus('Выберите файл для загрузки.', 'error');
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return;
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}
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const file = fileInput.files[0];
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if (maxFileSizeBytes > 0 && file.size > maxFileSizeBytes) {
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setStatus(`Файл слишком большой. Максимальный размер: ${formatBytes(maxFileSizeBytes)}`, 'error');
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return;
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}
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uploadButton.disabled = true;
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dropzone.classList.remove('dragover');
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setStatus('Получение токена загрузки...', '');
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try {
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// Step 1: Get upload token
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const tokenUrl = `/upload_token?file_name=${encodeURIComponent(file.name)}&file_type=${encodeURIComponent(file.type)}&file_size=${file.size}`;
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const tokenResponse = await fetch(tokenUrl);
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if (!tokenResponse.ok) {
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const errorData = await tokenResponse.json().catch(() => ({}));
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throw new Error(errorData.result?.comment || `Ошибка сервера: ${tokenResponse.status}`);
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}
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const tokenData = await tokenResponse.json();
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if (tokenData.error || !tokenData.result || !tokenData.result.data) {
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throw new Error(tokenData.result?.comment || 'Ошибка при получении токена загрузки');
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}
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const uploadData = tokenData.result.data;
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const fileUuid = tokenData.result.file_uuid;
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setStatus('Загрузка файла на сервер...', '');
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// Step 2: Upload to S3 using form-data
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// Add all fields from the API response (order matters for S3, file should be last)
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const formData = new FormData();
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Object.keys(uploadData.fields).forEach(key => {
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formData.append(key, uploadData.fields[key]);
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});
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// File must be appended last
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formData.append('file', file);
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const uploadResponse = await fetch(uploadData.url, {
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method: 'POST',
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body: formData
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});
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if (!uploadResponse.ok) {
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throw new Error(`Ошибка загрузки на S3: ${uploadResponse.status}`);
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}
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// Success!
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const downloadUrl = `${window.location.origin}/get/${fileUuid}`;
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setStatus(`Файл успешно загружен! UUID: ${fileUuid}. Ссылка для скачивания: ${downloadUrl}`, 'success');
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fileInput.value = '';
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updateButtonState();
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} catch (error) {
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setStatus(`Не удалось загрузить файл: ${error.message}`, 'error');
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} finally {
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uploadButton.disabled = false;
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}
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});
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updateButtonState();
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}
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@@ -0,0 +1,146 @@
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* {
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box-sizing: border-box;
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}
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body {
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margin: 0;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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font-family: Arial, sans-serif;
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background: radial-gradient(circle at top, #f7f7fb, #eff1f8);
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color: #111827;
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padding: 24px;
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}
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h1 {
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font-size: clamp(32px, 4vw, 48px);
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margin-bottom: 32px;
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text-align: center;
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}
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.upload-container {
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width: min(640px, 100%);
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background: #ffffffdd;
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border-radius: 20px;
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box-shadow: 0 20px 45px -20px rgba(15, 23, 42, 0.65);
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padding: 32px;
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display: flex;
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flex-direction: column;
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gap: 24px;
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backdrop-filter: blur(8px);
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}
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.dropzone {
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border: 2px dashed #6366f1;
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border-radius: 16px;
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padding: 48px 24px;
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text-align: center;
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transition: all 0.2s ease;
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background: rgba(99, 102, 241, 0.04);
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cursor: pointer;
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position: relative;
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}
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.dropzone.dragover {
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background: rgba(99, 102, 241, 0.12);
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transform: translateY(-2px);
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box-shadow: 0 14px 28px -24px rgba(99, 102, 241, 0.65);
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}
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.dropzone input[type="file"] {
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position: absolute;
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inset: 0;
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opacity: 0;
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cursor: pointer;
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}
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.dropzone p {
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margin: 8px 0;
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color: #4b5563;
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font-size: 16px;
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}
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.dropzone p.strong {
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font-weight: 600;
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color: #1f2937;
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font-size: 18px;
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}
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button {
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background: linear-gradient(135deg, #6366f1, #8b5cf6);
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color: white;
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border: none;
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border-radius: 12px;
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padding: 14px 20px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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transition: transform 0.2s ease, box-shadow 0.2s ease;
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}
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button:hover:not(:disabled) {
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transform: translateY(-1px);
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box-shadow: 0 16px 32px -24px rgba(99, 102, 241, 0.8);
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}
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button:disabled {
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background: #cbd5f5;
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cursor: not-allowed;
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box-shadow: none;
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}
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.status {
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min-height: 24px;
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font-size: 15px;
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color: #374151;
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line-height: 1.5;
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word-break: break-all;
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}
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.status.error {
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color: #dc2626;
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}
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.status.success {
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color: #166534;
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}
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.file-info {
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text-align: center;
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padding: 24px;
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}
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.file-info h2 {
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margin: 0 0 16px 0;
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font-size: 24px;
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color: #1f2937;
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}
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.file-size {
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margin: 0 0 24px 0;
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color: #6b7280;
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font-size: 16px;
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}
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.download-button {
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display: inline-block;
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background: linear-gradient(135deg, #6366f1, #8b5cf6);
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color: white;
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border: none;
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border-radius: 12px;
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padding: 14px 32px;
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font-size: 16px;
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font-weight: 600;
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text-decoration: none;
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cursor: pointer;
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transition: transform 0.2s ease, box-shadow 0.2s ease;
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}
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.download-button:hover {
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transform: translateY(-1px);
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box-shadow: 0 16px 32px -24px rgba(99, 102, 241, 0.8);
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}
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