1 files changed, 36 insertions, 0 deletions

diff --git a/packages/main/src/services/ConfigPersistence.ts b/packages/main/src/services/ConfigPersistence.ts
new file mode 100644
index 0000000..f9a82de
--- /dev/null
+++ b/packages/main/src/services/ConfigPersistence.ts
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C)  2021-2022 Kristóf Marussy <kristof@marussy.com>
+ *
+ * This file is part of Sophie.
+ *
+ * Sophie is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { IDisposer } from 'mobx-state-tree';
+import ms from 'ms';
+
+import type { ConfigSnapshotOut } from '../stores/Config';
+
+export const CONFIG_DEBOUNCE_TIME: number = ms('1s');
+
+export type ReadConfigResult = { found: true; data: unknown; } | { found: false; };
+
+export interface ConfigPersistence {
+  readConfig(): Promise<ReadConfigResult>;
+
+  writeConfig(configSnapshot: ConfigSnapshotOut): Promise<Date>;
+
+  watchConfig(callback: (mtime: Date) => Promise<void>): IDisposer;
+}