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multy-stub/server/routers/procurement/routes/buyProducts.js

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JavaScript
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const express = require('express');
const router = express.Router();
const { verifyToken } = require('../middleware/auth');
const BuyProduct = require('../models/BuyProduct');
const path = require('path');
const fs = require('fs');
const multer = require('multer');
const UPLOADS_ROOT = 'server/routers/remote-assets/uploads/buy-products';
const ensureDirectory = (dirPath) => {
if (!fs.existsSync(dirPath)) {
fs.mkdirSync(dirPath, { recursive: true });
}
};
ensureDirectory(UPLOADS_ROOT);
const MAX_FILE_SIZE = 15 * 1024 * 1024; // 15MB
const ALLOWED_MIME_TYPES = new Set([
'application/pdf',
'application/msword',
'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'application/vnd.ms-excel',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'text/csv',
]);
const storage = multer.diskStorage({
destination: (req, file, cb) => {
const productId = req.params.id || 'common';
const productDir = `${UPLOADS_ROOT}/${productId}`;
ensureDirectory(productDir);
cb(null, productDir);
},
filename: (req, file, cb) => {
// Исправляем кодировку имени файла из Latin1 в UTF-8
const fixedName = Buffer.from(file.originalname, 'latin1').toString('utf8');
const originalExtension = path.extname(fixedName) || '';
const baseName = path
.basename(fixedName, originalExtension)
// eslint-disable-next-line no-control-regex
.replace(/[<>:"/\\|?*\x00-\x1F]+/g, '_'); // Убираем только недопустимые символы Windows, оставляем кириллицу
cb(null, `${Date.now()}_${baseName}${originalExtension}`);
},
});
const upload = multer({
storage,
limits: {
fileSize: MAX_FILE_SIZE,
},
fileFilter: (req, file, cb) => {
if (ALLOWED_MIME_TYPES.has(file.mimetype)) {
cb(null, true);
return;
}
req.fileValidationError = 'UNSUPPORTED_FILE_TYPE';
cb(null, false);
},
});
const handleSingleFileUpload = (req, res, next) => {
upload.single('file')(req, res, (err) => {
if (err) {
console.error('[BuyProducts] Multer error:', err.message);
if (err.code === 'LIMIT_FILE_SIZE') {
return res.status(400).json({ error: 'File is too large. Maximum size is 15MB.' });
}
return res.status(400).json({ error: err.message });
}
next();
});
};
// Функция для логирования с проверкой DEV переменной
const log = (message, data = '') => {
if (process.env.DEV === 'true') {
if (data) {
console.log(message, data);
} else {
console.log(message);
}
}
};
// GET /buy-products/company/:companyId - получить товары компании
router.get('/company/:companyId', verifyToken, async (req, res) => {
try {
const { companyId } = req.params;
log('[BuyProducts] Fetching products for company:', companyId);
const products = await BuyProduct.find({ companyId })
.sort({ createdAt: -1 })
.exec();
log('[BuyProducts] Found', products.length, 'products for company', companyId);
log('[BuyProducts] Products:', products);
res.json(products);
} catch (error) {
console.error('[BuyProducts] Error fetching products:', error.message);
console.error('[BuyProducts] Error stack:', error.stack);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// POST /buy-products - создать новый товар
router.post('/', verifyToken, async (req, res) => {
try {
const { name, description, quantity, unit, status } = req.body;
log('[BuyProducts] Creating new product:', { name, description, quantity, companyId: req.companyId });
if (!name || !description || !quantity) {
return res.status(400).json({
error: 'name, description, and quantity are required',
});
}
if (description.trim().length < 10) {
return res.status(400).json({
error: 'Description must be at least 10 characters',
});
}
const newProduct = new BuyProduct({
companyId: req.companyId,
name: name.trim(),
description: description.trim(),
quantity: quantity.trim(),
unit: unit || 'шт',
status: status || 'published',
files: [],
});
log('[BuyProducts] Attempting to save product to DB...');
const savedProduct = await newProduct.save();
log('[BuyProducts] New product created successfully:', savedProduct._id);
log('[BuyProducts] Product data:', savedProduct);
res.status(201).json(savedProduct);
} catch (error) {
console.error('[BuyProducts] Error creating product:', error.message);
console.error('[BuyProducts] Error stack:', error.stack);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// PUT /buy-products/:id - обновить товар
router.put('/:id', verifyToken, async (req, res) => {
try {
const { id } = req.params;
const { name, description, quantity, unit, status } = req.body;
const product = await BuyProduct.findById(id);
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
// Проверить, что товар принадлежит текущей компании
if (product.companyId !== req.companyId) {
return res.status(403).json({ error: 'Not authorized' });
}
// Обновить поля
if (name) product.name = name.trim();
if (description) product.description = description.trim();
if (quantity) product.quantity = quantity.trim();
if (unit) product.unit = unit;
if (status) product.status = status;
product.updatedAt = new Date();
const updatedProduct = await product.save();
log('[BuyProducts] Product updated:', id);
res.json(updatedProduct);
} catch (error) {
console.error('[BuyProducts] Error:', error.message);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// DELETE /buy-products/:id - удалить товар
router.delete('/:id', verifyToken, async (req, res) => {
try {
const { id } = req.params;
const product = await BuyProduct.findById(id);
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
if (product.companyId.toString() !== req.companyId.toString()) {
return res.status(403).json({ error: 'Not authorized' });
}
await BuyProduct.findByIdAndDelete(id);
log('[BuyProducts] Product deleted:', id);
res.json({ message: 'Product deleted successfully' });
} catch (error) {
console.error('[BuyProducts] Error:', error.message);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// POST /buy-products/:id/files - добавить файл к товару
router.post('/:id/files', verifyToken, handleSingleFileUpload, async (req, res) => {
try {
const { id } = req.params;
const product = await BuyProduct.findById(id);
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
// Только владелец товара может добавить файл
const productCompanyId = product.companyId?.toString() || product.companyId;
const requestCompanyId = req.companyId?.toString() || req.companyId;
console.log('[BuyProducts] Comparing company IDs:', {
productCompanyId,
requestCompanyId,
match: productCompanyId === requestCompanyId
});
if (productCompanyId !== requestCompanyId) {
return res.status(403).json({ error: 'Not authorized' });
}
if (req.fileValidationError) {
return res.status(400).json({ error: 'Unsupported file type. Use PDF, DOC, DOCX, XLS, XLSX or CSV.' });
}
if (!req.file) {
return res.status(400).json({ error: 'File is required' });
}
// Исправляем кодировку имени файла из Latin1 в UTF-8
const fixedFileName = Buffer.from(req.file.originalname, 'latin1').toString('utf8');
// Извлекаем timestamp из имени файла, созданного multer (формат: {timestamp}_{name}.ext)
const fileTimestamp = req.file.filename.split('_')[0];
// storagePath относительно UPLOADS_ROOT (который уже включает 'buy-products')
const relativePath = `${id}/${req.file.filename}`;
const file = {
id: `file-${fileTimestamp}`, // Используем тот же timestamp, что и в имени файла
name: fixedFileName,
url: `/uploads/buy-products/${relativePath}`,
type: req.file.mimetype,
size: req.file.size,
uploadedAt: new Date(),
storagePath: relativePath,
};
console.log('[BuyProducts] Adding file to product:', {
productId: id,
fileName: file.name,
fileSize: file.size,
filePath: relativePath
});
console.log('[BuyProducts] File object:', JSON.stringify(file, null, 2));
// Используем findByIdAndUpdate вместо save() для избежания проблем с валидацией
let updatedProduct;
try {
console.log('[BuyProducts] Calling findByIdAndUpdate with id:', id);
updatedProduct = await BuyProduct.findByIdAndUpdate(
id,
{
$push: { files: file },
$set: { updatedAt: new Date() }
},
{ new: true, runValidators: false }
);
console.log('[BuyProducts] findByIdAndUpdate completed');
} catch (updateError) {
console.error('[BuyProducts] findByIdAndUpdate error:', {
message: updateError.message,
name: updateError.name,
code: updateError.code
});
throw updateError;
}
if (!updatedProduct) {
throw new Error('Failed to update product with file');
}
console.log('[BuyProducts] File added successfully to product:', id);
log('[BuyProducts] File added to product:', id, file.name);
res.json(updatedProduct);
} catch (error) {
console.error('[BuyProducts] Error adding file:', error.message);
console.error('[BuyProducts] Error stack:', error.stack);
console.error('[BuyProducts] Error name:', error.name);
if (error.errors) {
console.error('[BuyProducts] Validation errors:', JSON.stringify(error.errors, null, 2));
}
res.status(500).json({
error: 'Internal server error',
message: error.message,
details: error.errors || {},
});
}
});
// DELETE /buy-products/:id/files/:fileId - удалить файл
router.delete('/:id/files/:fileId', verifyToken, async (req, res) => {
try {
const { id, fileId } = req.params;
const product = await BuyProduct.findById(id);
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
if (product.companyId.toString() !== req.companyId.toString()) {
return res.status(403).json({ error: 'Not authorized' });
}
const fileToRemove = product.files.find((f) => f.id === fileId);
if (!fileToRemove) {
return res.status(404).json({ error: 'File not found' });
}
product.files = product.files.filter(f => f.id !== fileId);
await product.save();
const storedPath = fileToRemove.storagePath || fileToRemove.url.replace(/^\/uploads\//, '');
const absolutePath = `server/routers/remote-assets/uploads/${storedPath}`;
fs.promises.unlink(absolutePath).catch((unlinkError) => {
if (unlinkError && unlinkError.code !== 'ENOENT') {
console.error('[BuyProducts] Failed to remove file from disk:', unlinkError.message);
}
});
log('[BuyProducts] File deleted from product:', id, fileId);
res.json(product);
} catch (error) {
console.error('[BuyProducts] Error deleting file:', error.message);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// POST /buy-products/:id/accept - акцептировать товар
router.post('/:id/accept', verifyToken, async (req, res) => {
try {
const { id } = req.params;
const companyId = req.companyId;
const product = await BuyProduct.findById(id);
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
// Не можем акцептировать собственный товар
if (product.companyId.toString() === companyId.toString()) {
return res.status(403).json({ error: 'Cannot accept own product' });
}
// Проверить, не акцептировал ли уже
const alreadyAccepted = product.acceptedBy.some(
a => a.companyId.toString() === companyId.toString()
);
if (alreadyAccepted) {
return res.status(400).json({ error: 'Already accepted' });
}
product.acceptedBy.push({
companyId,
acceptedAt: new Date()
});
await product.save();
log('[BuyProducts] Product accepted by company:', companyId);
res.json(product);
} catch (error) {
console.error('[BuyProducts] Error accepting product:', error.message);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// GET /buy-products/:id/acceptances - получить компании которые акцептовали
router.get('/:id/acceptances', verifyToken, async (req, res) => {
try {
const { id } = req.params;
const product = await BuyProduct.findById(id).populate('acceptedBy.companyId', 'shortName fullName');
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
log('[BuyProducts] Returned acceptances for product:', id);
res.json(product.acceptedBy);
} catch (error) {
console.error('[BuyProducts] Error fetching acceptances:', error.message);
res.status(500).json({
error: 'Internal server error',
message: error.message,
});
}
});
// GET /buy-products/download/:id/:fileId - скачать файл
router.get('/download/:id/:fileId', verifyToken, async (req, res) => {
try {
console.log('[BuyProducts] Download request received:', {
productId: req.params.id,
fileId: req.params.fileId,
userId: req.userId,
companyId: req.companyId,
headers: req.headers.authorization
});
const { id, fileId } = req.params;
const product = await BuyProduct.findById(id);
if (!product) {
return res.status(404).json({ error: 'Product not found' });
}
const file = product.files.find((f) => f.id === fileId);
if (!file) {
return res.status(404).json({ error: 'File not found' });
}
// Создаем абсолютный путь к файлу
const filePath = path.resolve(UPLOADS_ROOT, file.storagePath);
console.log('[BuyProducts] Trying to download file:', {
fileId: file.id,
fileName: file.name,
storagePath: file.storagePath,
absolutePath: filePath,
exists: fs.existsSync(filePath)
});
// Проверяем существование файла
if (!fs.existsSync(filePath)) {
console.error('[BuyProducts] File not found on disk:', filePath);
return res.status(404).json({ error: 'File not found on disk' });
}
// Устанавливаем правильные заголовки для скачивания с поддержкой кириллицы
const encodedFileName = encodeURIComponent(file.name);
res.setHeader('Content-Type', file.type || 'application/octet-stream');
res.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodedFileName}`);
res.setHeader('Content-Length', file.size);
// Отправляем файл
res.sendFile(filePath, (err) => {
if (err) {
console.error('[BuyProducts] Error sending file:', err.message);
if (!res.headersSent) {
res.status(500).json({ error: 'Error downloading file' });
}
}
});
} catch (error) {
console.error('[BuyProducts] Error downloading file:', error.message);
res.status(500).json({ error: 'Internal server error' });
}
});
module.exports = router;