changes

src/controllers/userController.js

@@ -1151,17 +1151,20 @@ exports.getFavoriteSuppliers = async (req, reply) => {
   const { customerId } = req.params;
 
   try {
-    const user = await User.findOne({ customerId })
+    const user = await User.findOne({ customerId }).exec();
-      .populate("favorate_suppliers") // This will now work properly
-      .exec();
 
     if (!user) {
       return reply.status(404).send({ message: "User not found" });
     }
 
-    reply.send({ data: user.favorate_suppliers });
+    const suppliers = await Supplier.find({
+      supplierId: { $in: user.favorate_suppliers }
+    });
+
+    reply.send({ data: suppliers });
   } catch (err) {
     reply.status(500).send({ message: err.message });
   }
 };
 
+

src/models/User.js

@@ -62,7 +62,8 @@ const userSchema = new mongoose.Schema(
     emails: [{ email: String, verified: { type: Boolean, default: false } }],
     services: { password: { bcrypt: String } },
     survey_status:{ type:String,default: "pending" },   
-    favorate_suppliers: [{ type:String,default: null }], 
+    favorate_suppliers: [{ type: mongoose.Schema.Types.ObjectId, ref: "Supplier", default: null }],
+
     staff: {