changes in supplier get all suppliers

src/handlers/supplierHandler.js

@@ -973,22 +973,30 @@ exports.getSuppliers = async (req, reply) => {
       tankerBookings.map(booking => `${booking.supplierId}_${booking.tankerName}`)
     );
 
-    // 1️⃣ Filter tankers by typeofwater first
-    let tankers = await Tanker.find({ typeofwater: type_of_water });
+    // 🟢 Initial tanker query condition
+    const tankerQuery = {};
 
-    // 2️⃣ Filter by price range
-    tankers = tankers.filter(tanker => {
-      const tankerPrice = parsePrice(tanker.price);
-      return tankerPrice >= priceFrom && tankerPrice <= priceTo;
-    });
+    if (type_of_water && type_of_water.trim() !== "") {
+      tankerQuery.typeofwater = type_of_water;
+    }
 
-    // 3️⃣ Exclude booked tankers
+    let tankers = await Tanker.find(tankerQuery);
+
+    // 🟢 Apply price filter only if both price_from and price_to are given
+    if (price_from && price_to) {
+      tankers = tankers.filter(tanker => {
+        const tankerPrice = parsePrice(tanker.price);
+        return tankerPrice >= priceFrom && tankerPrice <= priceTo;
+      });
+    }
+
+    // 🟢 Exclude booked tankers
     tankers = tankers.filter(tanker => {
       const key = `${tanker.supplierId}_${tanker.tankerName}`;
       return !bookedTankerSet.has(key);
     });
 
-    // 4️⃣ Group tankers by supplierId
+    // 🟢 Group tankers by supplierId
     const supplierTankerMap = {};
     for (let tanker of tankers) {
       if (!supplierTankerMap[tanker.supplierId]) {
@@ -997,17 +1005,23 @@ exports.getSuppliers = async (req, reply) => {
       supplierTankerMap[tanker.supplierId].push(tanker);
     }
 
-    // 5️⃣ Aggregate supplier capacities
     const qualifiedSuppliers = [];
+
     for (let [supplierId, supplierTankers] of Object.entries(supplierTankerMap)) {
+
       const totalAvailableCapacity = supplierTankers.reduce(
         (sum, t) => sum + parseCapacity(t.capacity),
         0
       );
 
-      if (totalAvailableCapacity >= totalRequiredCapacity) {
-        qualifiedSuppliers.push({ supplierId, tankers: supplierTankers });
+      // 🟢 Capacity filtering: apply only if both capacity & quantity are given
+      if (requestedCapacity > 0 && requestedQuantity > 0) {
+        if (totalAvailableCapacity < totalRequiredCapacity) {
+          continue;  // skip this supplier
+        }
       }
+
+      qualifiedSuppliers.push({ supplierId, tankers: supplierTankers });
     }
 
     const suppliers = [];

src/routes/supplierRoute.js

@@ -52,6 +52,10 @@ module.exports = function (fastify, opts, next) {
   });
 
 
+
+
+
+
   fastify.get("/api/connectedSuppliers/:customerId", {
     schema: {
       tags: ["Supplier-Data"],