fix: deadlock caused by not using open transaction during batch insert

fix: regenerate durations upon language mapping update
fix: minor ui

services/duration.go

@@ -56,6 +56,23 @@ func NewDurationService(durationRepository repositories.IDurationRepository, hea
 		}
 	}(&sub1)
 
+	sub2 := srv.eventBus.Subscribe(0, config.EventLanguageMappingsChanged)
+	go func(sub *hub.Subscription) {
+		for m := range sub.Receiver {
+			userId := m.Fields[config.FieldUserId].(string)
+			user, err := srv.userService.GetUserById(userId)
+			if err != nil {
+				config.Log().Error("user not found for regenerating durations after language mapping change", "user", userId)
+				continue
+			}
+
+			slog.Info("regenerating durations because language mappings were updated", "user", userId)
+			srv.queue.Dispatch(func() {
+				srv.Regenerate(user, true)
+			})
+		}
+	}(&sub2)
+
 	return srv
 }
 

services/language_mapping.go

@@ -2,6 +2,7 @@ package services
 
 import (
 	"errors"
+	"github.com/leandro-lugaresi/hub"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/repositories"
@@ -12,12 +13,14 @@ import (
 type LanguageMappingService struct {
 	config     *config.Config
 	cache      *cache.Cache
+	eventBus   *hub.Hub
 	repository repositories.ILanguageMappingRepository
 }
 
 func NewLanguageMappingService(languageMappingsRepo repositories.ILanguageMappingRepository) *LanguageMappingService {
 	return &LanguageMappingService{
 		config:     config.Get(),
+		eventBus:   config.EventBus(),
 		repository: languageMappingsRepo,
 		cache:      cache.New(24*time.Hour, 24*time.Hour),
 	}
@@ -60,6 +63,7 @@ func (srv *LanguageMappingService) Create(mapping *models.LanguageMapping) (*mod
 	}
 
 	srv.cache.Delete(result.UserID)
+	srv.notifyUpdate(mapping)
 	return result, nil
 }
 
@@ -69,6 +73,7 @@ func (srv *LanguageMappingService) Delete(mapping *models.LanguageMapping) error
 	}
 	err := srv.repository.Delete(mapping.ID)
 	srv.cache.Delete(mapping.UserID)
+	srv.notifyUpdate(mapping)
 	return err
 }
 
@@ -76,3 +81,11 @@ func (srv *LanguageMappingService) getServerMappings() map[string]string {
 	// https://dave.cheney.net/2017/04/30/if-a-map-isnt-a-reference-variable-what-is-it
 	return srv.config.App.GetCustomLanguages()
 }
+
+func (srv *LanguageMappingService) notifyUpdate(mapping *models.LanguageMapping) {
+	name := config.EventLanguageMappingsChanged
+	srv.eventBus.Publish(hub.Message{
+		Name:   name,
+		Fields: map[string]interface{}{config.FieldPayload: mapping, config.FieldUserId: mapping.UserID},
+	})
+}