Add version to database.json

src/routes/dumpDatabase.ts

@@ -143,6 +143,7 @@ export default async function dumpDatabase(req: Request, res: Response, showPage
             ${updateQueued ? `Update queued.` : ``} Last updated: ${lastUpdate ? new Date(lastUpdate).toUTCString() : `Unknown`}`);
     } else {
         res.send({
+            dbVersion: await getDbVersion(),
             lastUpdated: lastUpdate,
             updateQueued,
             links: latestDumpFiles.map((item:any) => {
@@ -158,6 +159,12 @@ export default async function dumpDatabase(req: Request, res: Response, showPage
     await queueDump();
 }
 
+async function getDbVersion(): Promise<number> {
+    const row = await db.prepare('get', `SELECT "value" FROM "config" WHERE "key" = 'version'`);
+    if (row === undefined) return 0;
+    return row.value;
+}
+
 export async function redirectLink(req: Request, res: Response): Promise<void> {
     if (!config?.dumpDatabase?.enabled) {
         res.status(404).send("Database dump is disabled");
@@ -210,4 +217,4 @@ async function queueDump(): Promise<void> {
         updateRunning = false;
         lastUpdate = startTime;
     }
-}
+}