add intro

internal/app/server.go

@@ -580,6 +580,28 @@ func (s *server) DeleteScenarioPlace(ctx context.Context, req *proto.DeleteScena
 	return &proto.DeleteScenarioPlaceRsp{}, nil
 }
 
+func (s *server) UpdateScenarioIntro(ctx context.Context, req *proto.UpdateScenarioIntroReq) (*proto.UpdateScenarioIntroRsp, error) {
+	claims := ctx.Value("claims").(*processor_jwt.JWTClaims)
+	if !roles.HasRole(claims, roles.Author) {
+		return nil, status.Errorf(codes.PermissionDenied, "permission denied")
+	}
+
+	err := s.scenarioService.UpdateScenarioIntro(
+		ctx,
+		int(req.Id),
+		convertIntroduction(req.Introduction),
+		claims.UserID,
+		roles.HasRole(claims, roles.Admin),
+	)
+	if err != nil {
+		return &proto.UpdateScenarioIntroRsp{
+			Error: err.Error(),
+		}, nil
+	}
+
+	return &proto.UpdateScenarioIntroRsp{}, nil
+}
+
 // DownloadScenarioArchive отдаёт ZIP-архив сценария; ошибки — gRPC-статусами.
 func (s *server) DownloadScenarioArchive(ctx context.Context, req *proto.DownloadScenarioArchiveReq) (*httpbody.HttpBody, error) {
 	claims := ctx.Value("claims").(*processor_jwt.JWTClaims)

internal/app/story_mapper.go

@@ -47,7 +47,18 @@ func mapStory(o *storytelling.Story) *proto.Story {
 		return nil
 	}
 	return &proto.Story{
-		Places: mapPlaces(o.Places),
+		Introduction: mapIntroduction(o.Introduction),
+		Places:       mapPlaces(o.Places),
+	}
+}
+
+func mapIntroduction(o *storytelling.Introduction) *proto.Introduction {
+	if o == nil {
+		return nil
+	}
+	return &proto.Introduction{
+		Text:  o.Text,
+		Audio: o.Audio,
 	}
 }
 
@@ -174,3 +185,13 @@ func convertKey(o *proto.Key) *storytelling.Key {
 		Name: textFormatter.FormatString(o.Name),
 	}
 }
+
+func convertIntroduction(o *proto.Introduction) *storytelling.Introduction {
+	if o == nil || (o.Text == "" && o.Audio == "") {
+		return nil
+	}
+	return &storytelling.Introduction{
+		Text:  textFormatter.FormatText(o.Text),
+		Audio: o.Audio,
+	}
+}