-
-
+
+
+
diff --git a/app/frontend/script.js b/app/frontend/script.js
index fbb5290..fe3b91d 100644
--- a/app/frontend/script.js
+++ b/app/frontend/script.js
@@ -1,77 +1,214 @@
-const fileInput = document.getElementById('fileInput');
-const dropzone = document.getElementById('dropzone');
-const uploadButton = document.getElementById('uploadButton');
-const uploadForm = document.getElementById('uploadForm');
-const statusDiv = document.getElementById('status');
+// Utility function to format bytes to human-readable format
+function formatBytes(bytes) {
+ if (bytes === 0) return '0 Bytes';
+
+ const k = 1024;
+ const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
+ const i = Math.floor(Math.log(bytes) / Math.log(k));
+
+ return Math.round((bytes / Math.pow(k, i)) * 100) / 100 + ' ' + sizes[i];
+}
-const updateButtonState = () => {
- uploadButton.disabled = !fileInput.files || fileInput.files.length === 0;
-};
+// Check if we're on the download page
+const path = window.location.pathname;
+const downloadMatch = path.match(/^\/get\/([a-zA-Z0-9]{6})$/);
-const setStatus = (message, type = '') => {
- statusDiv.textContent = message;
- statusDiv.className = type ? `status ${type}` : 'status';
-};
-
-dropzone.addEventListener('dragover', (event) => {
- event.preventDefault();
- dropzone.classList.add('dragover');
-});
-
-dropzone.addEventListener('dragleave', () => {
- dropzone.classList.remove('dragover');
-});
-
-dropzone.addEventListener('drop', (event) => {
- event.preventDefault();
- dropzone.classList.remove('dragover');
-
- if (event.dataTransfer?.files?.length) {
- fileInput.files = event.dataTransfer.files;
- updateButtonState();
- }
-});
-
-fileInput.addEventListener('change', () => {
- updateButtonState();
-});
-
-uploadForm.addEventListener('submit', async (event) => {
- event.preventDefault();
-
- if (!fileInput.files || fileInput.files.length === 0) {
- setStatus('Выберите файлов для загрузки.', 'error');
- return;
- }
-
- const formData = new FormData();
- Array.from(fileInput.files).forEach((file) => {
- formData.append('files', file);
- });
-
- uploadButton.disabled = true;
- dropzone.classList.remove('dragover');
- setStatus('Загрузка...', '');
+if (downloadMatch) {
+ // Show download page
+ document.getElementById('uploadPage').style.display = 'none';
+ document.getElementById('downloadPage').style.display = 'block';
+
+ const fileUuid = downloadMatch[1];
+ handleDownloadPage(fileUuid);
+} else {
+ // Show upload page
+ document.getElementById('uploadPage').style.display = 'block';
+ document.getElementById('downloadPage').style.display = 'none';
+ initUploadPage();
+}
+// Download page handler
+async function handleDownloadPage(fileUuid) {
+ const downloadStatus = document.getElementById('downloadStatus');
+ const downloadContent = document.getElementById('downloadContent');
+
try {
- const response = await fetch('/upload_file', {
- method: 'POST',
- body: formData
- });
-
- if (!response.ok) {
- throw new Error(`Ошибка сервера: ${response.status}`);
+ const response = await fetch(`/get_download_link/${fileUuid}`);
+ const data = await response.json();
+
+ if (data.error || !data.result || !data.result.data) {
+ downloadStatus.textContent = data.result?.comment || 'Ошибка при получении файла';
+ downloadStatus.className = 'status error';
+ return;
}
-
- const data = await response.text();
- setStatus(`Путь к файлу: ${data}`, 'success');
- fileInput.value = '';
+
+ const fileData = data.result.data;
+ downloadContent.innerHTML = `
+
+
${fileData.file_name}
+
Размер: ${formatBytes(parseInt(fileData.file_size))}
+
+ Скачать файл
+
+
+ `;
+ downloadStatus.style.display = 'none';
} catch (error) {
- setStatus(`Не удалось загрузить файлы: ${error.message}`, 'error');
- } finally {
- uploadButton.disabled = false;
+ downloadStatus.textContent = `Ошибка: ${error.message}`;
+ downloadStatus.className = 'status error';
}
-});
-
-updateButtonState();
+}
+// Upload page initialization
+function initUploadPage() {
+ const fileInput = document.getElementById('fileInput');
+ const dropzone = document.getElementById('dropzone');
+ const uploadButton = document.getElementById('uploadButton');
+ const uploadForm = document.getElementById('uploadForm');
+ const statusDiv = document.getElementById('status');
+ const maxFileSizeSpan = document.getElementById('maxFileSize');
+
+ let maxFileSizeBytes = 0;
+
+ // Fetch max file size on page load
+ async function loadMaxFileSize() {
+ try {
+ const response = await fetch('/max_file_size');
+ if (!response.ok) {
+ throw new Error(`Ошибка сервера: ${response.status}`);
+ }
+ maxFileSizeBytes = await response.json();
+ maxFileSizeSpan.textContent = formatBytes(maxFileSizeBytes);
+
+ // Set max file size attribute
+ fileInput.setAttribute('data-max-size', maxFileSizeBytes);
+ } catch (error) {
+ maxFileSizeSpan.textContent = 'ошибка загрузки';
+ maxFileSizeSpan.style.color = '#dc2626';
+ console.error('Error loading max file size:', error);
+ }
+ }
+
+ loadMaxFileSize();
+
+ const updateButtonState = () => {
+ if (!fileInput.files || fileInput.files.length === 0) {
+ uploadButton.disabled = true;
+ return;
+ }
+
+ const file = fileInput.files[0];
+ if (file.size > maxFileSizeBytes && maxFileSizeBytes > 0) {
+ setStatus(`Файл слишком большой. Максимальный размер: ${formatBytes(maxFileSizeBytes)}`, 'error');
+ uploadButton.disabled = true;
+ return;
+ }
+
+ uploadButton.disabled = false;
+ setStatus('', '');
+ };
+
+ const setStatus = (message, type = '') => {
+ statusDiv.textContent = message;
+ statusDiv.className = type ? `status ${type}` : 'status';
+ };
+
+ dropzone.addEventListener('dragover', (event) => {
+ event.preventDefault();
+ dropzone.classList.add('dragover');
+ });
+
+ dropzone.addEventListener('dragleave', () => {
+ dropzone.classList.remove('dragover');
+ });
+
+ dropzone.addEventListener('drop', (event) => {
+ event.preventDefault();
+ dropzone.classList.remove('dragover');
+
+ if (event.dataTransfer?.files?.length) {
+ // Only take the first file
+ const dataTransfer = new DataTransfer();
+ dataTransfer.items.add(event.dataTransfer.files[0]);
+ fileInput.files = dataTransfer.files;
+ updateButtonState();
+ }
+ });
+
+ fileInput.addEventListener('change', () => {
+ updateButtonState();
+ });
+
+ uploadForm.addEventListener('submit', async (event) => {
+ event.preventDefault();
+
+ if (!fileInput.files || fileInput.files.length === 0) {
+ setStatus('Выберите файл для загрузки.', 'error');
+ return;
+ }
+
+ const file = fileInput.files[0];
+
+ if (maxFileSizeBytes > 0 && file.size > maxFileSizeBytes) {
+ setStatus(`Файл слишком большой. Максимальный размер: ${formatBytes(maxFileSizeBytes)}`, 'error');
+ return;
+ }
+
+ uploadButton.disabled = true;
+ dropzone.classList.remove('dragover');
+ setStatus('Получение токена загрузки...', '');
+
+ try {
+ // Step 1: Get upload token
+ const tokenUrl = `/upload_token?file_name=${encodeURIComponent(file.name)}&file_type=${encodeURIComponent(file.type)}&file_size=${file.size}`;
+ const tokenResponse = await fetch(tokenUrl);
+
+ if (!tokenResponse.ok) {
+ const errorData = await tokenResponse.json().catch(() => ({}));
+ throw new Error(errorData.result?.comment || `Ошибка сервера: ${tokenResponse.status}`);
+ }
+
+ const tokenData = await tokenResponse.json();
+
+ if (tokenData.error || !tokenData.result || !tokenData.result.data) {
+ throw new Error(tokenData.result?.comment || 'Ошибка при получении токена загрузки');
+ }
+
+ const uploadData = tokenData.result.data;
+ const fileUuid = tokenData.result.file_uuid;
+
+ setStatus('Загрузка файла на сервер...', '');
+
+ // Step 2: Upload to S3 using form-data
+ // Add all fields from the API response (order matters for S3, file should be last)
+ const formData = new FormData();
+ Object.keys(uploadData.fields).forEach(key => {
+ formData.append(key, uploadData.fields[key]);
+ });
+ // File must be appended last
+ formData.append('file', file);
+
+ const uploadResponse = await fetch(uploadData.url, {
+ method: 'POST',
+ body: formData
+ });
+
+ if (!uploadResponse.ok) {
+ throw new Error(`Ошибка загрузки на S3: ${uploadResponse.status}`);
+ }
+
+ // Success!
+ const downloadUrl = `${window.location.origin}/get/${fileUuid}`;
+ setStatus(`Файл успешно загружен! UUID: ${fileUuid}. Ссылка для скачивания: ${downloadUrl}`, 'success');
+ fileInput.value = '';
+ updateButtonState();
+
+ } catch (error) {
+ setStatus(`Не удалось загрузить файл: ${error.message}`, 'error');
+ } finally {
+ uploadButton.disabled = false;
+ }
+ });
+
+ updateButtonState();
+}
diff --git a/app/frontend/style.css b/app/frontend/style.css
index 3036f50..31371fd 100644
--- a/app/frontend/style.css
+++ b/app/frontend/style.css
@@ -108,3 +108,39 @@ button:disabled {
color: #166534;
}
+.file-info {
+ text-align: center;
+ padding: 24px;
+}
+
+.file-info h2 {
+ margin: 0 0 16px 0;
+ font-size: 24px;
+ color: #1f2937;
+}
+
+.file-size {
+ margin: 0 0 24px 0;
+ color: #6b7280;
+ font-size: 16px;
+}
+
+.download-button {
+ display: inline-block;
+ background: linear-gradient(135deg, #6366f1, #8b5cf6);
+ color: white;
+ border: none;
+ border-radius: 12px;
+ padding: 14px 32px;
+ font-size: 16px;
+ font-weight: 600;
+ text-decoration: none;
+ cursor: pointer;
+ transition: transform 0.2s ease, box-shadow 0.2s ease;
+}
+
+.download-button:hover {
+ transform: translateY(-1px);
+ box-shadow: 0 16px 32px -24px rgba(99, 102, 241, 0.8);
+}
+