safer backup to file using VACUUM INTO + possibility to explicitly ask for backup now

src/routes/api/database.js

@@ -0,0 +1,28 @@
+"use strict";
+
+const sql = require('../../services/sql');
+const log = require('../../services/log');
+const backupService = require('../../services/backup');
+const consistencyChecksService = require('../../services/consistency_checks');
+
+async function backupDatabase() {
+    return {
+        backupFile: await backupService.backupNow("now")
+    };
+}
+
+async function vacuumDatabase() {
+    await sql.execute("VACUUM");
+
+    log.info("Database has been vacuumed.");
+}
+
+async function findAndFixConsistencyIssues() {
+    await consistencyChecksService.runOnDemandChecks(true);
+}
+
+module.exports = {
+    backupDatabase,
+    vacuumDatabase,
+    findAndFixConsistencyIssues
+};