From 5d7cbec34cd5e473d5768b39054d99bc72ddad62 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 27 Apr 2023 12:55:30 +1000
Subject: Move DB interactions to a background thread

---
 src/database/include/db_task.hpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/database/include/db_task.hpp

(limited to 'src/database/include/db_task.hpp')

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
-- 
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