feat: add usercount, session count and complete rate

packages/analytics/src/controllers/index.js

@@ -0,0 +1,15 @@
+import { userCount } from '../models/users.js'
+import { sessionCount, sessionCompleted } from '../models/quests.js'
+
+// eslint-disable-next-line import/prefer-default-export
+export async function homeController(req, res) {
+  const payload = {
+    title: 'Linux Odyssey Admin',
+    userCount: await userCount(),
+    sessionCount: await sessionCount(),
+    sessionCompleted: await sessionCompleted(),
+  }
+  payload.completedRate =
+    Math.round((payload.sessionCompleted / payload.sessionCount) * 10000) / 100
+  res.render('home', payload)
+}

packages/analytics/src/index.js

@@ -2,6 +2,7 @@ import connectDB from '@linux-odyssey/models'
 import express from 'express'
 import { engine } from 'express-handlebars'
 import config from './config.js'
+import { homeController } from './controllers/index.js'
 
 async function main() {
   await connectDB(config.db)
@@ -12,9 +13,7 @@ async function main() {
   app.set('view engine', 'handlebars')
   app.set('views', './views')
 
-  app.get('/', (req, res) => {
-    res.render('home', { title: 'Linux Odyssey Admin' })
-  })
+  app.get('/', homeController)
 
   app.listen(3001, () => {
     console.log('Server started on http://localhost:3001')

packages/analytics/src/models/quests.js

@@ -0,0 +1,24 @@
+import { Session } from '@linux-odyssey/models'
+
+export function sessionCount() {
+  return Session.find().count()
+}
+
+export function sessionCompleted() {
+  return Session.find({ status: 'finished' }).count()
+}
+
+export function averageTimeUsage() {
+  return Session.aggregate([
+    {
+      $group: {
+        _id: '$quest',
+        average: {
+          $avg: {
+            $subtract: ['$finishedAt', '$createdAt'],
+          },
+        },
+      },
+    },
+  ])
+}

packages/analytics/src/models/users.js

@@ -0,0 +1,6 @@
+import { User } from '@linux-odyssey/models'
+
+// eslint-disable-next-line import/prefer-default-export
+export function userCount() {
+  return User.find().count()
+}