added fields to update advance and reference number ,and one api to update advance

src/controllers/userController.js

@@ -1816,6 +1816,7 @@ const today = new Date();
 const datePart = today.toISOString().slice(0, 10).replace(/-/g, ''); // YYYYMMDD
 const randomDigit = Math.floor(Math.random() * 10); // 0–9
 const bookingId = `ARM${datePart}${randomDigit}`;
+const amount_due = matchedSupplier.quoted_amount-matchedSupplier.advance_paid
 
     const newBooking = new Tankerbooking({
         bookingid: bookingId,
@@ -1830,7 +1831,9 @@ const bookingId = `ARM${datePart}${randomDigit}`;
       supplierName: supplier.suppliername,
       supplierPhone: supplier.phone,
       supplierAddress: customer.address,
-
+      amount_paid: String(matchedSupplier.advance_paid),
+      amount_due: String(amount_due),
+      advance_reference_number: matchedSupplier.advance_ref_number,
       type_of_water: requestedBooking.type_of_water,
       capacity: requestedBooking.capacity,
       quantity: requestedBooking.quantity,
@@ -2076,3 +2079,55 @@ exports.updatestatusForSupplier = async (req, reply) => {
   }
 };
 
+
+exports.updateadvanceForSupplier = async (req, reply) => {
+  try {
+    const { _id } = req.params;
+    const { supplierId, advance_paid,advance_ref_number } = req.body;
+
+    if (!_id) {
+      return reply.code(400).send({ status_code: 400, message: '_id (param) is required' });
+    }
+    if (!supplierId) {
+      return reply.code(400).send({ status_code: 400, message: 'supplierId (body) is required' });
+    }
+ 
+
+    // Map short keywords to the stored values
+ 
+  
+    // otherwise keep the original (but normalized) value
+
+    // Atomic update using positional $ operator
+    const filter = { _id, 'requested_suppliers.supplierId': supplierId };
+    const update = { $set: { 'requested_suppliers.$.advance_paid': advance_paid,'requested_suppliers.$.advance_ref_number': advance_ref_number } };
+
+    const updated = await RequestedBooking.findOneAndUpdate(filter, update, {
+      new: true,
+      runValidators: true,
+    }).lean();
+
+    if (!updated) {
+      // either booking _id not found OR supplierId not found inside requested_suppliers
+      const bookingExists = await RequestedBooking.findById(_id).lean();
+      if (!bookingExists) {
+        return reply.code(404).send({ status_code: 404, message: `Booking with _id ${_id} not found` });
+      }
+
+      // booking exists but supplier entry missing
+      return reply.code(404).send({
+        status_code: 404,
+        message: `Supplier ${supplierId} not found in requested_suppliers for booking ${_id}`,
+      });
+    }
+
+    return reply.code(200).send({
+      status_code: 200,
+      message: `status updated for supplier ${supplierId}`,
+      data: updated,
+    });
+  } catch (err) {
+    console.error('updatestatusForSupplier error:', err);
+    throw boom.boomify(err);
+  }
+};

src/models/supplier.js

@@ -165,6 +165,8 @@ const requestedSupplierSchema = new mongoose.Schema({
   quoted_amount: Number,
   time: {type:String,default:null},  // ✅ New field added here
   status:{type:String,default: "pending" },
+  advance_paid: Number,
+  advance_ref_number: {type:String,default:null},
 }, { _id: false });
 
 const requestedBookingSchema = new mongoose.Schema({

src/models/tankers.js

@@ -58,6 +58,7 @@ const tankersbookingSchema = new mongoose.Schema({
     stop_time:{ type: String, default: "null" },
     quantityDelivered: { type: String, default: null},
     amount_paid: { type: String, default: null },
+    advance_reference_number:{ type: String, default: null },
     amount_due: { type: String, default: null },
     distrubance_price: { type: String, default: "none" },
     amount_difference: { type: String, default: "none" },

src/routes/usersRoute.js

@@ -1452,5 +1452,47 @@ fastify.route({
     handler: userController.updatestatusForSupplier,
   });
 
+
+      fastify.route({
+    method: 'PUT',
+    url: '/api/request-advance-amount/:_id/supplier/advance',
+    schema: {
+      description:
+        'Update adavance with reference number for particular supplier by user',
+      tags: ['User'],
+      summary: 'Update adavance with reference number for particular supplier by user',
+      params: {
+        type: 'object',
+        properties: {
+          _id: { type: 'string', description: 'Booking _id' },
+        },
+        required: ['_id'],
+      },
+      body: {
+        type: 'object',
+        properties: {
+          supplierId: { type: 'string' },
+           advance_paid: { type: 'number' },       // ✅ fixed
+        advance_ref_number: { type: 'string' }  
+        },
+      
+      },
+      response: {
+        200: {
+          type: 'object',
+        },
+        400: { type: 'object' },
+        404: { type: 'object' },
+      },
+      security: [
+        {
+          basicAuth: [],
+        },
+      ],
+    },
+    // preHandler: fastify.auth([fastify.authenticate]), // enable if needed
+    handler: userController.updateadvanceForSupplier,
+  });
+
   next();
 };