Refactor gRPC adapter to use connection pool and improve error handling in product retrieval

cmd/server/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"context"
 	"fmt"
-	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgxpool"
 	"github.com/joho/godotenv"
 	"google.golang.org/grpc"
 	"net"
@@ -31,7 +31,7 @@ func logMessage(level string, format string, a ...interface{}) {
 	}
 }
 
-func createGrpcServer() {
+func createGrpcServer(pool *pgxpool.Pool) {
 
 	lis, err := net.Listen("tcp", ":8080")
 	if err != nil {
@@ -40,7 +40,7 @@ func createGrpcServer() {
 	}
 	grpcServer := grpc.NewServer()
 
-	repo, err := marketplace.RegisterAdapterGRPC(grpcServer)
+	repo, err := marketplace.RegisterAdapterGRPC(grpcServer, pool)
 	if err != nil {
 		fmt.Printf("failed to register gRPC server: %v\n", err)
 		return
@@ -82,22 +82,15 @@ func main() {
 	logMessage("info", "Redis client initialized successfully. 🟥")
 
 	// Initializing pgx connection
-	conn, err := pgx.Connect(ctx, os.Getenv("POSTGRES_URL"))
+	dbpool, err := pgxpool.New(ctx, os.Getenv("POSTGRES_URL"))
 	if err != nil {
 		logMessage("error", "Failed to connect to PostgreSQL: %v", err)
 		return
 	}
-	defer conn.Close(ctx)
+	defer dbpool.Close()
 	logMessage("info", "Connected to PostgreSQL successfully. 🐘")
-	createGrpcServer()
-	// ------------------ shitting
-	//mpRepo := marketplace.NewDBRepository(conn)
-	//
-	//productsRepo := products.NewAPIRepository(
-	//	mpRepo)
-	//_, err = productsRepo.GetAllProducts(ctx, 262)
-	//if err != nil {
-	//	return
+	createGrpcServer(dbpool)
+
 }
 
 //for _, item := range items {