fix: load less from database on mqtt publish

src/models/controller.c

@@ -324,6 +324,20 @@ controller_get_by_uid(uuid_t uid)
     return result;
 }
 
+int
+controller_get_id_for_uid(uuid_t uid)
+{
+    char uuid_str[UUID_STR_LEN];
+    uuid_unparse(uid, uuid_str);
+    LOGGER_DEBUG("getting controller id [uid=%s] from database\n", uuid_str);
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT id FROM controllers WHERE uid = ?1;", -1, &stmt, NULL);
+    sqlite3_bind_blob(stmt, 1, uid, sizeof(uuid_t), SQLITE_STATIC);
+
+    return database_helper_get_id(stmt);
+}
+
 controller_t**
 controller_get_all()
 {