operator: add route to get app event log

we cannot go via /cloudron/eventlog since that requires admin

src/routes/apps.js

@@ -13,6 +13,7 @@ exports = module.exports = {
     update,
     getLogs,
     getLogStream,
+    listEventlog,
     listBackups,
     repair,
 
@@ -798,3 +799,16 @@ async function setMounts(req, res, next) {
 
     next(new HttpSuccess(202, { taskId: result.taskId }));
 }
+
+async function listEventlog(req, res, next) {
+    const page = typeof req.query.page !== 'undefined' ? parseInt(req.query.page) : 1;
+    if (!page || page < 0) return next(new HttpError(400, 'page query param has to be a postive number'));
+
+    const perPage = typeof req.query.per_page !== 'undefined'? parseInt(req.query.per_page) : 25;
+    if (!perPage || perPage < 0) return next(new HttpError(400, 'per_page query param has to be a postive number'));
+
+    const [error, eventlogs] = await safe(apps.listEventlog(req.app, page, perPage));
+    if (error) return next(BoxError.toHttpError(error));
+
+    next(new HttpSuccess(200, { eventlogs }));
+}