77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
package rpc
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import (
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"errors"
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"log"
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"strings"
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"github.com/LoveLosita/smartflow/backend/respond"
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forumsv "github.com/LoveLosita/smartflow/backend/services/taskclassforum/sv"
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"google.golang.org/genproto/googleapis/rpc/errdetails"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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const taskClassForumErrorDomain = "smartflow.taskclassforum"
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// grpcErrorFromServiceError 负责把计划广场内部错误收口成 gRPC status。
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//
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// 职责边界：
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// 1. 只做 service error -> gRPC error 的传输适配；
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// 2. 不负责 HTTP 响应，gateway client 后续会把 gRPC error 反解成 respond.Response；
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// 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。
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func grpcErrorFromServiceError(err error) error {
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if err == nil {
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return nil
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}
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var resp respond.Response
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if errors.As(err, &resp) {
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return grpcErrorFromResponse(resp)
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}
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if errors.Is(err, forumsv.ErrNotImplemented) {
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return status.Error(codes.Unimplemented, err.Error())
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}
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log.Printf("taskclassforum rpc internal error: %v", err)
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return status.Error(codes.Internal, "taskclassforum service internal error")
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}
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func grpcErrorFromResponse(resp respond.Response) error {
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code := grpcCodeFromRespondStatus(resp.Status)
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message := strings.TrimSpace(resp.Info)
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if message == "" {
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message = strings.TrimSpace(resp.Status)
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}
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st := status.New(code, message)
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detail := &errdetails.ErrorInfo{
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Domain: taskClassForumErrorDomain,
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Reason: resp.Status,
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Metadata: map[string]string{
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"info": resp.Info,
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},
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}
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withDetails, err := st.WithDetails(detail)
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if err != nil {
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return st.Err()
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}
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return withDetails.Err()
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}
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func grpcCodeFromRespondStatus(statusValue string) codes.Code {
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switch strings.TrimSpace(statusValue) {
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case respond.MissingToken.Status, respond.InvalidToken.Status, respond.InvalidClaims.Status, respond.ErrUnauthorized.Status:
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return codes.Unauthenticated
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case respond.MissingParam.Status, respond.WrongParamType.Status, respond.ParamTooLong.Status, respond.WrongUserID.Status:
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return codes.InvalidArgument
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case respond.UserTaskClassNotFound.Status:
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return codes.NotFound
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case respond.UserTaskClassForbidden.Status, respond.TaskClassItemNotBelongToUser.Status:
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return codes.PermissionDenied
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}
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if strings.HasPrefix(strings.TrimSpace(statusValue), "5") {
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return codes.Internal
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}
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return codes.InvalidArgument
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}
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