Added route

packages/app/src/server/routes/apiv3/app-settings.js

@@ -197,6 +197,9 @@ module.exports = (crowi) => {
     pluginSetting: [
       body('isEnabledPlugins').isBoolean(),
     ],
+    maintenanceMode: [
+      body('flag').isBoolean(),
+    ],
   };
 
   /**
@@ -715,5 +718,28 @@ module.exports = (crowi) => {
     return res.apiv3({ isV5Compatible });
   });
 
+  // eslint-disable-next-line max-len
+  router.post('/maintenance-mode', accessTokenParser, loginRequiredStrictly, adminRequired, csrf, validator.maintenanceMode, apiV3FormValidator, async(req, res) => {
+    const { flag } = req.body;
+
+    try {
+      if (flag) {
+        await crowi.appService.startMaintenanceMode();
+      }
+      else {
+        await crowi.appService.endMaintenanceMode();
+      }
+    }
+    catch (err) {
+      logger.error(err);
+      if (flag) {
+        res.apiv3Err(new ErrorV3('Failed to start maintenance mode', 'failed_to_start_maintenance_mode'), 500);
+      }
+      else {
+        res.apiv3Err(new ErrorV3('Failed to end maintenance mode', 'failed_to_end_maintenance_mode'), 500);
+      }
+    }
+  });
+
   return router;
 };