New stat retrieval and event store last visited date

crabfit-backend/index.js

@@ -30,6 +30,7 @@ app.use((req, res, next) => {
   req.types = {
     event: process.env.NODE_ENV === 'production' ? 'Event' : 'DevEvent',
     person: process.env.NODE_ENV === 'production' ? 'Person' : 'DevPerson',
+    stats: process.env.NODE_ENV === 'production' ? 'Stats' : 'DevStats',
   };
 	next();
 });

crabfit-backend/routes/getEvent.js

@@ -1,3 +1,5 @@
+const dayjs = require('dayjs');
+
 module.exports = async (req, res) => {
 	const { eventId } = req.params;
 
@@ -9,6 +11,10 @@ module.exports = async (req, res) => {
 				id: eventId,
 				...event,
 			});
+
+      // Update last visited time
+      event.visited = dayjs().unix();
+      await req.datastore.upsert(event);
 		} else {
 			res.sendStatus(404);
 		}

crabfit-backend/routes/stats.js

@@ -4,19 +4,24 @@ module.exports = async (req, res) => {
 	let eventCount = null;
 	let personCount = null;
 
-	try {
+  try {
-		const eventQuery = req.datastore.createQuery(['__Stat_Kind__']).filter('kind_name', req.types.event);
+		const eventResult = (await req.datastore.get(req.datastore.key([req.types.stats, 'eventCount'])))[0] || null;
-		const personQuery = req.datastore.createQuery(['__Stat_Kind__']).filter('kind_name', req.types.person);
+		const personResult = (await req.datastore.get(req.datastore.key([req.types.stats, 'personCount'])))[0] || null;
+
+    if (eventResult) {
+      eventCount = eventResult.value;
+    }
+    if (personResult) {
+      personCount = personResult.value;
+    }
 
-		eventCount = (await req.datastore.runQuery(eventQuery))[0][0].count;
-		personCount = (await req.datastore.runQuery(personQuery))[0][0].count;
 	} catch (e) {
 		console.error(e);
 	}
 
-	res.send({
+  res.send({
-		eventCount: eventCount || null,
+    eventCount,
-		personCount: personCount || null,
+    personCount,
-		version: package.version,
+    version: package.version,
-	});
+  });
 };