Update customer management functionality by adding modification support, enhancing the customer model to include modifications, and improving the UI for customer and modification forms. Refactor API routes for better error handling and streamline customer data management.

routes/customers.js

@@ -9,7 +9,7 @@ router.get('/', auth, async (req, res) => {
     const customers = await Customer.find().sort({ name: 1 });
     res.json(customers);
   } catch (err) {
-    res.status(500).json({ message: err.message });
+    res.status(500).send('Server Error');
   }
 });
 
@@ -22,24 +22,16 @@ router.get('/:id', auth, async (req, res) => {
     }
     res.json(customer);
   } catch (err) {
-    res.status(500).json({ message: err.message });
+    res.status(500).send('Server Error');
   }
 });
 
 // Create customer
 router.post('/', auth, async (req, res) => {
-  const customer = new Customer({
-    name: req.body.name,
-    email: req.body.email,
-    phone: req.body.phone,
-    address: req.body.address,
-    carModel: req.body.carModel,
-    carYear: req.body.carYear,
-  });
-
   try {
-    const newCustomer = await customer.save();
-    res.status(201).json(newCustomer);
+    const customer = new Customer(req.body);
+    await customer.save();
+    res.status(201).json(customer);
   } catch (err) {
     res.status(400).json({ message: err.message });
   }
@@ -53,9 +45,28 @@ router.put('/:id', auth, async (req, res) => {
       return res.status(404).json({ message: 'Customer not found' });
     }
 
-    Object.assign(customer, req.body);
-    const updatedCustomer = await customer.save();
-    res.json(updatedCustomer);
+    Object.keys(req.body).forEach(key => {
+      customer[key] = req.body[key];
+    });
+
+    await customer.save();
+    res.json(customer);
+  } catch (err) {
+    res.status(400).json({ message: err.message });
+  }
+});
+
+// Add modification to customer
+router.put('/:id/modifications', auth, async (req, res) => {
+  try {
+    const customer = await Customer.findById(req.params.id);
+    if (!customer) {
+      return res.status(404).json({ message: 'Customer not found' });
+    }
+
+    customer.modifications.push(req.body);
+    await customer.save();
+    res.json(customer);
   } catch (err) {
     res.status(400).json({ message: err.message });
   }
@@ -72,7 +83,7 @@ router.delete('/:id', auth, async (req, res) => {
     await customer.remove();
     res.json({ message: 'Customer deleted' });
   } catch (err) {
-    res.status(500).json({ message: err.message });
+    res.status(500).send('Server Error');
   }
 });