add function to create a log db

storage/storage_service.go

@@ -9,6 +9,8 @@ import (
 
 	"git.defalsify.org/vise.git/db"
 	fsdb "git.defalsify.org/vise.git/db/fs"
+	"git.defalsify.org/vise.git/db/log"
+	"git.defalsify.org/vise.git/db/mem"
 	memdb "git.defalsify.org/vise.git/db/mem"
 	"git.defalsify.org/vise.git/db/postgres"
 	"git.defalsify.org/vise.git/lang"
@@ -203,6 +205,11 @@ func (ms *MenuStorageService) GetUserdataDb(ctx context.Context) (db.Db, error)
 	return userStore, nil
 }
 
+func (ms *MenuStorageService) GetLogDb(ctx context.Context, mainDb db.Db) db.Db {
+	memDb := mem.NewMemDb()
+	return log.NewLogDb(mainDb, memDb)
+}
+
 func (ms *MenuStorageService) GetResource(ctx context.Context) (resource.Resource, error) {
 	store, err := ms.getOrCreateDb(ctx, "resource.gdbm", STORETYPE_RESOURCE)
 	if err != nil {