From 9f9f24c6249913357ae92e85df11bd1faaf35965 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damir=20Jeli=C4=87?= <poljar@termina.org.uk>
Date: Wed, 17 Jun 2020 17:12:13 +0200
Subject: [PATCH] BaseEventIndexManager: Add support to read/write user
 versions.

---
 src/indexing/BaseEventIndexManager.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/indexing/BaseEventIndexManager.ts b/src/indexing/BaseEventIndexManager.ts
index c40d1300ea..c59ed9b20e 100644
--- a/src/indexing/BaseEventIndexManager.ts
+++ b/src/indexing/BaseEventIndexManager.ts
@@ -144,6 +144,29 @@ export default abstract class BaseEventIndexManager {
         throw new Error("Unimplemented");
     }
 
+
+    /**
+     * Get the user version of the database.
+     * @return {Promise<number>} A promise that will resolve to the user stored
+     * version number.
+     */
+    async getUserVersion(): Promise<number> {
+        throw new Error("Unimplemented");
+    }
+
+    /**
+     * Set the user stored version to the given version number.
+     *
+     * @param {number} version The new version that should be stored in the
+     * database.
+     *
+     * @return {Promise<void>} A promise that will resolve once the new version
+     * is stored.
+     */
+    async setUserVersion(version: number): Promise<void> {
+        throw new Error("Unimplemented");
+    }
+
     /**
      * Commit the previously queued up events to the index.
      *