first commit

internal/infrastructure/transport/grpc/handlers/handler.go

@@ -0,0 +1,32 @@
+package handlers
+
+import (
+	"service/pkg/errors"
+
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+// / handleServiceError mengkonversi error dari service layer ke gRPC status error
+func handleServiceError(err error) error {
+	appErr := errors.FromError(err)
+	if appErr == nil {
+		return status.Error(codes.Internal, "internal server error")
+	}
+
+	// Mapping kategori error ke gRPC codes
+	switch appErr.Category() {
+	case errors.CategoryValidation:
+		return status.Error(codes.InvalidArgument, appErr.Error())
+	case errors.CategoryNotFound:
+		return status.Error(codes.NotFound, appErr.Error())
+	case errors.CategoryConflict:
+		return status.Error(codes.AlreadyExists, appErr.Error())
+	case errors.CategoryUnauthorized:
+		return status.Error(codes.Unauthenticated, appErr.Error())
+	case errors.CategoryForbidden:
+		return status.Error(codes.PermissionDenied, appErr.Error())
+	default:
+		return status.Error(codes.Internal, appErr.Error())
+	}
+}

internal/infrastructure/transport/grpc/handlers/permission_handler.go

@@ -0,0 +1,50 @@
+package handlers
+
+import (
+	"context"
+	"service/internal/infrastructure/transport/grpc/mappers"
+	"service/internal/master/role/permission"
+
+	// Asumsi path ke proto-generated file
+	permissionV1 "service/internal/infrastructure/transport/grpc/gen/permission/v1"
+
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+// PermissionHandler mengimplementasikan gRPC service untuk role permission.
+type PermissionHandler struct {
+	permissionV1.UnimplementedRolPermissionServiceServer
+	service permission.Service
+}
+
+// NewPermissionHandler membuat instance baru dari PermissionHandler.
+func NewPermissionHandler(service permission.Service) *PermissionHandler {
+	return &PermissionHandler{
+		service: service,
+	}
+}
+
+// GetRolePermissionTree adalah implementasi dari RPC.
+func (h *PermissionHandler) GetRolePermissionTree(ctx context.Context, req *permissionV1.GetRolePermissionTreeRequest) (*permissionV1.RolePermissionTreeResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "request cannot be nil")
+	}
+
+	// Konversi wrapper BoolValue ke pointer *bool yang diharapkan oleh service
+	var activeOnly *bool
+	if val := req.GetActiveOnly(); val != nil {
+		b := val.GetValue()
+		activeOnly = &b
+	}
+
+	tree, err := h.service.GetRolePermissionTree(ctx, req.GetRoleKeycloak(), req.GetGroupKeycloak(), activeOnly)
+	if err != nil {
+		return nil, handleServiceError(err)
+	}
+
+	// Menggunakan mapper untuk mengubah hasil dari service ke format proto
+	protoResponse := mappers.MapRolePermissionTreeToProto(tree)
+
+	return protoResponse, nil
+}