some changes

src/main/kotlin/com/restapi/Main.kt

@@ -125,7 +125,8 @@ fun main(args: Array<String>) {
                     put("/{id}", VendorCtrl::update, Roles(Role.Explicit("ROLE_VENDOR_CREATE")))
                 }
                 path("/incoming") {
-                    get("/plants", IncomingInventoryCtrl::plantsForUser,
+                    get(
+                        "/plants", IncomingInventoryCtrl::plantsForUser,
                         Roles(
                             Role.Explicit("ROLE_INVENTORY_CREATE"),
                             Role.Explicit("ROLE_VENDOR_VIEW"),
@@ -133,11 +134,13 @@ fun main(args: Array<String>) {
                             Role.Explicit("ROLE_INVENTORY_VIEW")
                         )
                     )
-                    put("/plants/{id}", IncomingInventoryCtrl::updatePlant,
+                    put(
+                        "/plants/{id}", IncomingInventoryCtrl::updatePlant,
                         Roles(
                             Role.Explicit("ROLE_INVENTORY_CREATE"),
                             Role.Explicit("ROLE_VENDOR_CREATE")
-                        ))
+                        )
+                    )
                     post("", IncomingInventoryCtrl::create, Roles(Role.Explicit("ROLE_INVENTORY_CREATE")))
                     get("/next", IncomingInventoryCtrl::getNextNum, Roles(Role.Explicit("ROLE_INVENTORY_CREATE")))
                     get(
@@ -274,6 +277,7 @@ fun main(args: Array<String>) {
                     put("/{id}", ProductCtrl::update, Roles(Role.Explicit("ROLE_PRODUCT_CREATE")))
                     delete("/{id}", ProductCtrl::delete, Roles(Role.Explicit("ROLE_PRODUCT_CREATE")))
                     patch("/{id}", ProductCtrl::patch, Roles(Role.Explicit("ROLE_PRODUCT_CREATE")))
+                    post("/getPrice", ProductCtrl::getPrice, Roles(Role.Explicit("ROLE_PRODUCT_VIEW")))
                     post("/getAll", ProductCtrl::getAll, Roles(Role.Explicit("ROLE_PRODUCT_VIEW")))
                     get("/{id}", ProductCtrl::get, Roles(Role.Explicit("ROLE_PRODUCT_VIEW")))
                 }

src/main/kotlin/com/restapi/controllers/Entities.kt

@@ -10,6 +10,7 @@ import com.restapi.domain.Session.currentUser
 import com.restapi.domain.Session.database
 import com.restapi.domain.Session.findDataModelByEntityAndUniqId
 import com.restapi.integ.Scripting
+import com.restapi.integ.logger
 import io.ebean.CallableSql
 import io.ebean.RawSqlBuilder
 import io.javalin.http.*
@@ -379,8 +380,8 @@ object PurchaseOrderCtrl {
 
     fun getNextNum(ctx: Context) {
         val prefix = "PO/"
-        val cnt = database.find(PurchaseOrder::class.java)
+        val cnt = (database.find(PurchaseOrder::class.java)
-            .findCount()
+            .findCount() + 1)
             .toString()
             .padStart(6, '0')
         val seq = SequenceNumber(prefix + cnt)
@@ -499,7 +500,27 @@ object ProductCtrl {
     }
 
     data class PF(val common: CommonFilters, val productFilters: ProductFilters)
+    data class GetPrice(val productId: Long, val vendor: Any)
+    fun getPrice(ctx: Context){
+        val gp = ctx.bodyAsClass<GetPrice>()
+        val vendor = database.find(Vendor::class.java, gp.vendor) ?: throw BadRequestResponse("vendor not found for ${gp.vendor}")
+        val product = database.find(Product::class.java, gp.productId) ?: throw BadRequestResponse("product not found for ${gp.productId}")
+        val poProduct = database.find(PurchaseOrder::class.java)
+            .where()
+            .eq("vendor", vendor)
+            .findList()
+            .flatMap {
+                it.products
+            }
+            .firstOrNull {
+                it.productId == product.sysPk
+            }
 
+        ctx.json(
+            poProduct ?: throw BadRequestResponse("price not found for this vendor and product")
+        )
+
+    }
     fun getAll(ctx: Context) {
         val filters = ctx.bodyAsClass<PF>()
         val prods = searchProducts(filters.common, filters.productFilters)

src/main/kotlin/com/restapi/controllers/Excel.kt

@@ -209,7 +209,7 @@ fun exportQuotations(quotes: List<Quotation>) {
             row.createCell(i++).setCellValue(quote.quoteDate)
             row.createCell(i++).setCellValue(quote.validTill)
             //6 would be repeated
-            row.createCell(i++).setCellValue(quote.products[j].productId)
+            row.createCell(i++).setCellValue(quote.products[j].productId.toString())
             row.createCell(i++).setCellValue(quote.products[j].productName)
             row.createCell(i++).setCellValue(quote.products[j].unitPrice)
             row.createCell(i++).setCellValue(quote.products[j].quantity)
@@ -269,7 +269,7 @@ fun exportProds(prods: List<Product>) {
     for (prod in prods) {
         val row = sh.createRow(rowCnt++)
         var i = 0
-        row.createCell(i++).setCellValue(prod.id.toString())
+        row.createCell(i++).setCellValue(prod.code.toString())
         row.createCell(i++).setCellValue(prod.name)
         row.createCell(i++).setCellValue(prod.description)
         row.createCell(i++).setCellValue(prod.hsnCode)
@@ -313,7 +313,7 @@ fun exportPos(pos: List<PurchaseOrder>) {
             row.createCell(i++).setCellValue(po.vendor?.address)
 
             //6 would be repeated
-            row.createCell(i++).setCellValue(po.products[j].productId)
+            row.createCell(i++).setCellValue(po.products[j].productId.toString())
             row.createCell(i++).setCellValue(po.products[j].productName)
             row.createCell(i++).setCellValue(po.products[j].unitPrice)
             row.createCell(i++).setCellValue(po.products[j].quantity)
@@ -356,7 +356,7 @@ fun exportIncomingInventory(tickets: List<IncomingInventory>) {
             row.createCell(i++).setCellValue(ticket.vendorBillAmount)
 
             //6 would be repeated
-            row.createCell(i++).setCellValue(ticket.products!![j].productId)
+            row.createCell(i++).setCellValue(ticket.products!![j].productId.toString())
             row.createCell(i++).setCellValue(ticket.products!![j].productName)
             row.createCell(i++).setCellValue(ticket.products!![j].unitPrice)
             row.createCell(i++).setCellValue(ticket.products!![j].quantity)
@@ -395,7 +395,7 @@ fun exportOutgoingInventory(tickets: List<OutgoingInventory>) {
             row.createCell(i++).setCellValue(ticket.purpose)
 
             //6 would be repeated
-            row.createCell(i++).setCellValue(ticket.products!![j].productId)
+            row.createCell(i++).setCellValue(ticket.products!![j].productId.toString())
             row.createCell(i++).setCellValue(ticket.products!![j].productName)
             row.createCell(i++).setCellValue(ticket.products!![j].unitPrice)
             row.createCell(i++).setCellValue(ticket.products!![j].quantity)
@@ -460,7 +460,7 @@ fun exportInvoices(invoices: List<Invoice>) {
             row.createCell(i++).setCellValue(invoice.vendor?.address)
 
             //6 would be repeated
-            row.createCell(i++).setCellValue(invoice.products?.get(j)?.productId ?: "NA")
+            row.createCell(i++).setCellValue(invoice.products?.get(j)?.productId?.toString() ?: "NA")
             row.createCell(i++).setCellValue(invoice.products?.get(j)?.productName ?: "NA")
             invoice.products?.get(j)?.let { row.createCell(i++).setCellValue(it.unitPrice) }
             invoice.products?.get(j)?.let { row.createCell(i++).setCellValue(it.quantity) }
@@ -546,7 +546,7 @@ fun ImportFromExcel(fileType: FileType, filePath: String) {
                 val prodQuantity = doubleFromCellHelper(row.getCell(8))
                 val prodUnitPrice = doubleFromCellHelper(row.getCell(9))
                 val totalQuoteAmount = doubleFromCellHelper(row.getCell(10))
-                val prod = POProducts("", prodName, prodUnitPrice, prodQuantity)
+                val prod = POProducts(0, prodName, prodUnitPrice, prodQuantity)
 
                 if (quotesMap.containsKey(quoteNumber)) {
                     //duplicated row
@@ -597,7 +597,7 @@ fun ImportFromExcel(fileType: FileType, filePath: String) {
                 //tncs, docs
 
                 val prod = POProducts(
-                    productId = "",
+                    productId = 0,
                     productName = prodName,
                     unitPrice = 0.0,
                     quantity = prodQuantity,
@@ -658,7 +658,7 @@ fun ImportFromExcel(fileType: FileType, filePath: String) {
 
                 //new prod object
                 val prod = Product()
-                prod.id = prodId
+                prod.code = prodId
                 prod.name = prodName
                 prod.description = prodDesc
                 prod.hsnCode = prodHsnCode

src/main/kotlin/com/restapi/domain/models.kt

@@ -14,7 +14,7 @@ import javax.persistence.*
 
 data class Comments(val text: String = "", val by: String = "", val at: LocalDateTime = LocalDateTime.now())
 data class POProducts(
-    val productId: String = "",
+    val productId: Long = 0,
     val productName: String = "",
     val unitPrice: Double = 0.0,
     val quantity: Double = 0.0,
@@ -344,7 +344,8 @@ open class Product : BaseTenantModel() {
         this.gstPct = updatedProduct.gstPct
     }
 
-    var id: String? = null
+    @Column(name = "id")
+    var code: String? = null
     var name: String = ""
     var description: String = ""
     var hsnCode: String = ""

src/main/resources/dbmigration/model/1.3.model.xml

@@ -8,7 +8,7 @@
         </addColumn>
         <alterColumn columnName="uom" tableName="product" checkConstraint="check ( uom in ('NOS','LTR','MTR','ALL'))" checkConstraintName="ck_product_uom"/>
         <addColumn tableName="product">
-            <column name="id" type="bigint"/>
+            <column name="code" type="bigint"/>
         </addColumn>
         <alterColumn columnName="reference_quotation" tableName="purchase_order" currentType="varchar" notnull="false" currentNotnull="true"/>
         <alterColumn columnName="total_amount" tableName="purchase_order" type="double" currentType="integer" currentNotnull="true"/>