feat: migrate entire codebase to TypeScript

src/routes/upload.ts

@@ -0,0 +1,152 @@
+import logger from '../utils/logger';
+import { db, files as fileSchema } from '../db';
+import { nanoid } from 'nanoid';
+import { forwardToStorage, getBot } from '../utils/telegram';
+import { getFileType, checkFileSize, extractMimeType } from '../utils/file';
+import { config } from '../env';
+
+export const handleUpload = async (req: Request): Promise<Response> => {
+  try {
+    const contentType = req.headers.get('content-type') || '';
+
+    if (contentType.includes('multipart/form-data')) {
+      return handleMultipartUpload(req);
+    } else if (contentType.includes('application/json')) {
+      return handleJSONUpload(req);
+    }
+
+    return Response.json(
+      { error: 'Unsupported content type. Use multipart/form-data or application/json' },
+      { status: 400 }
+    );
+  } catch (error: any) {
+    logger.error('Upload error', { error: error.message });
+    return Response.json({ error: error.message }, { status: 500 });
+  }
+};
+
+const handleMultipartUpload = async (req: Request): Promise<Response> => {
+  try {
+    const formData = await req.formData();
+    const file = formData.get('file');
+    const fileName = (formData.get('fileName') as string) || (file instanceof File ? file.name : null) || 'file';
+
+    if (!file || !(file instanceof File)) {
+      return Response.json({ error: 'No file provided' }, { status: 400 });
+    }
+
+    const fileBytes = await file.arrayBuffer();
+    const fileBuffer = Buffer.from(fileBytes);
+    const mimeType = file.type || extractMimeType({}, req) || 'application/octet-stream';
+    const fileType = getFileType(mimeType, fileName);
+
+    if (!checkFileSize(fileBuffer.byteLength, fileType)) {
+      return Response.json({ error: `File size exceeds ${fileType} limit` }, { status: 400 });
+    }
+
+    const isDocument = fileName.endsWith('.pdf') || fileName.endsWith('.txt') || !['photo', 'video', 'audio', 'voice', 'animation'].includes(fileType);
+    const result = await forwardToStorage(fileBuffer, fileName, isDocument);
+    const bot = getBot();
+    const fileInfo = (await bot.telegram.getFile(result.telegramFileId)) as any;
+
+    const uploaded = {
+      publicId: nanoid(),
+      telegramFileId: result.telegramFileId,
+      telegramFileUniqueId: result.telegramFileUniqueId,
+      storageChatId: config.storageChatId,
+      storageMessageId: result.storageMessageId,
+      fileName: fileName,
+      mimeType: fileInfo.mime_type || mimeType || 'application/octet-stream',
+      sizeBytes: fileInfo.file_size || fileBuffer.byteLength,
+      fileType: fileType,
+      uploaderId: 0,
+      createdAt: new Date(),
+      updatedAt: new Date()
+    };
+
+    await db.insert(fileSchema).values(uploaded);
+
+    const responsePayload = {
+      public_id: uploaded.publicId,
+      telegram_file_id: uploaded.telegramFileId,
+      telegram_file_unique_id: uploaded.telegramFileUniqueId,
+      storage_chat_id: uploaded.storageChatId,
+      storage_message_id: uploaded.storageMessageId,
+      file_name: uploaded.fileName,
+      mime_type: uploaded.mimeType,
+      size_bytes: uploaded.sizeBytes,
+      file_type: uploaded.fileType,
+      uploader_id: uploaded.uploaderId,
+      created_at: uploaded.createdAt.toISOString(),
+      download_url: `${config.baseUrl}/f/${uploaded.publicId}`
+    };
+
+    return Response.json(responsePayload, { status: 200 });
+  } catch (error: any) {
+    logger.error('Multipart upload error', { error: error.message });
+    return Response.json({ error: error.message }, { status: 500 });
+  }
+};
+
+const handleJSONUpload = async (req: Request): Promise<Response> => {
+  try {
+    const { file, fileName = 'file' } = (await req.json()) as any;
+
+    if (!file || typeof file !== 'string') {
+      return Response.json(
+        { error: 'Invalid JSON. Must include "file" (base64) and optional "fileName"' },
+        { status: 400 }
+      );
+    }
+
+    const fileBytes = Buffer.from(file, 'base64');
+    const mimeType = 'application/octet-stream';
+    const fileType = getFileType(mimeType, fileName) === 'application' ? 'document' : getFileType(mimeType, fileName);
+
+    if (!checkFileSize(fileBytes.byteLength, fileType)) {
+      return Response.json({ error: `File size exceeds ${fileType} limit` }, { status: 400 });
+    }
+
+    const isDocument = fileName.endsWith('.pdf') || fileName.endsWith('.txt') || !['photo', 'video', 'audio', 'voice', 'animation'].includes(fileType);
+    const result = await forwardToStorage(fileBytes, fileName, isDocument);
+    const bot = getBot();
+    const fileInfo = (await bot.telegram.getFile(result.telegramFileId)) as any;
+
+    const uploaded = {
+      publicId: nanoid(),
+      telegramFileId: result.telegramFileId,
+      telegramFileUniqueId: result.telegramFileUniqueId,
+      storageChatId: config.storageChatId,
+      storageMessageId: result.storageMessageId,
+      fileName: fileName,
+      mimeType: fileInfo.mime_type || mimeType || 'application/octet-stream',
+      sizeBytes: fileInfo.file_size || fileBytes.byteLength,
+      fileType: fileType,
+      uploaderId: 0,
+      createdAt: new Date(),
+      updatedAt: new Date()
+    };
+
+    await db.insert(fileSchema).values(uploaded);
+
+    const responsePayload = {
+      public_id: uploaded.publicId,
+      telegram_file_id: uploaded.telegramFileId,
+      telegram_file_unique_id: uploaded.telegramFileUniqueId,
+      storage_chat_id: uploaded.storageChatId,
+      storage_message_id: uploaded.storageMessageId,
+      file_name: uploaded.fileName,
+      mime_type: uploaded.mimeType,
+      size_bytes: uploaded.sizeBytes,
+      file_type: uploaded.fileType,
+      uploader_id: uploaded.uploaderId,
+      created_at: uploaded.createdAt.toISOString(),
+      download_url: `${config.baseUrl}/f/${uploaded.publicId}`
+    };
+
+    return Response.json(responsePayload, { status: 200 });
+  } catch (error: any) {
+    logger.error('JSON upload error', { error: error.message });
+    return Response.json({ error: error.message }, { status: 500 });
+  }
+};