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

internal/marketplace/adapter_grpc.go

@@ -2,11 +2,11 @@ package marketplace
 
 import (
 	"context"
-	"github.com/jackc/pgx/v5"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 	pb "sipro-mps/api/generated/v1/marketplace"
+	"sipro-mps/internal/marketplace/db"
 )
 
 // AdapterGRPC implements the gRPC server for the Marketplace service.
@@ -20,11 +20,11 @@ func NewAdapterGRPC(repo Repository) *AdapterGRPC {
 		repo: repo,
 	}
 }
-func RegisterAdapterGRPC(server *grpc.Server) (*Repository, error) {
-	conn, err := pgx.Connect(context.Background(), "postgresql://postgres:GjitkeYf%5Beq@/sipro?host=/run/postgresql")
-	if err != nil {
-		return nil, err
-	}
+func RegisterAdapterGRPC(server *grpc.Server, conn db.DBTX) (*Repository, error) {
+	//conn, err := pgx.Connect(context.Background(), "postgresql://postgres:GjitkeYf%5Beq@/sipro?host=/run/postgresql")
+	//if err != nil {
+	//	return nil, err
+	//}
 	repo := NewDBRepository(conn)
 	adapter := NewAdapterGRPC(repo)
 	pb.RegisterMarketplaceServiceServer(server, adapter)