Version: 0.9.78.dev.260506

backend/services/taskclassforum/rpc/errors.go

@@ -0,0 +1,72 @@
+package rpc
+
+import (
+	"errors"
+	"log"
+	"strings"
+
+	"github.com/LoveLosita/smartflow/backend/shared/respond"
+	"google.golang.org/genproto/googleapis/rpc/errdetails"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+const taskClassForumErrorDomain = "smartflow.taskclassforum"
+
+// grpcErrorFromServiceError 负责把计划广场内部错误收口成 gRPC status。
+//
+// 职责边界：
+// 1. 只做 service error -> gRPC error 的传输适配；
+// 2. 不负责 HTTP 响应，gateway client 后续会把 gRPC error 反解成 respond.Response；
+// 3. 普通内部错误只暴露统一文案，避免把 DAO / SQL 细节透给前端。
+func grpcErrorFromServiceError(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	var resp respond.Response
+	if errors.As(err, &resp) {
+		return grpcErrorFromResponse(resp)
+	}
+	log.Printf("taskclassforum rpc internal error: %v", err)
+	return status.Error(codes.Internal, "taskclassforum service internal error")
+}
+
+func grpcErrorFromResponse(resp respond.Response) error {
+	code := grpcCodeFromRespondStatus(resp.Status)
+	message := strings.TrimSpace(resp.Info)
+	if message == "" {
+		message = strings.TrimSpace(resp.Status)
+	}
+
+	st := status.New(code, message)
+	detail := &errdetails.ErrorInfo{
+		Domain: taskClassForumErrorDomain,
+		Reason: resp.Status,
+		Metadata: map[string]string{
+			"info": resp.Info,
+		},
+	}
+	withDetails, err := st.WithDetails(detail)
+	if err != nil {
+		return st.Err()
+	}
+	return withDetails.Err()
+}
+
+func grpcCodeFromRespondStatus(statusValue string) codes.Code {
+	switch strings.TrimSpace(statusValue) {
+	case respond.MissingToken.Status, respond.InvalidToken.Status, respond.InvalidClaims.Status, respond.ErrUnauthorized.Status:
+		return codes.Unauthenticated
+	case respond.MissingParam.Status, respond.WrongParamType.Status, respond.ParamTooLong.Status, respond.WrongUserID.Status:
+		return codes.InvalidArgument
+	case respond.UserTaskClassNotFound.Status:
+		return codes.NotFound
+	case respond.UserTaskClassForbidden.Status, respond.TaskClassItemNotBelongToUser.Status:
+		return codes.PermissionDenied
+	}
+	if strings.HasPrefix(strings.TrimSpace(statusValue), "5") {
+		return codes.Internal
+	}
+	return codes.InvalidArgument
+}