Move DB interactions to a background thread

1 files changed, 25 insertions, 0 deletions

diff --git a/src/database/include/db_task.hpp b/src/database/include/db_task.hpp
new file mode 100644
index 00000000..39f932b0
--- /dev/null
+++ b/src/database/include/db_task.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <functional>
+#include <future>
+#include <memory>
+
+namespace database {
+
+auto StartDbTask() -> bool;
+auto QuitDbTask() -> void;
+
+auto SendToDbTask(std::function<void(void)> fn) -> void;
+
+template <typename T>
+auto RunOnDbTask(std::function<T(void)> fn) -> std::future<T> {
+  std::shared_ptr<std::promise<T>> promise =
+      std::make_shared<std::promise<T>>();
+  SendToDbTask([=]() { promise->set_value(std::invoke(fn)); });
+  return promise->get_future();
+}
+
+template <>
+auto RunOnDbTask(std::function<void(void)> fn) -> std::future<void>;
+
+}  // namespace database