Create new StatsController and move year in review stats endpoint

server/controllers/StatsController.js

@@ -0,0 +1,75 @@
+const { Request, Response, NextFunction } = require('express')
+const Logger = require('../Logger')
+
+const adminStats = require('../utils/queries/adminStats')
+
+/**
+ * @typedef RequestUserObject
+ * @property {import('../models/User')} user
+ *
+ * @typedef {Request & RequestUserObject} RequestWithUser
+ */
+
+class StatsController {
+  constructor() {}
+
+  /**
+   * GET: /api/stats/server
+   * Currently not in use
+   *
+   * @param {RequestWithUser} req
+   * @param {Response} res
+   */
+  async getServerStats(req, res) {
+    Logger.debug('[StatsController] getServerStats')
+    const totalSize = await adminStats.getTotalSize()
+    const numAudioFiles = await adminStats.getNumAudioFiles()
+
+    res.json({
+      books: {
+        ...totalSize.books,
+        numAudioFiles: numAudioFiles.numBookAudioFiles
+      },
+      podcasts: {
+        ...totalSize.podcasts,
+        numAudioFiles: numAudioFiles.numPodcastAudioFiles
+      },
+      total: {
+        ...totalSize.total,
+        numAudioFiles: numAudioFiles.numAudioFiles
+      }
+    })
+  }
+
+  /**
+   * GET: /api/stats/year/:year
+   *
+   * @param {RequestWithUser} req
+   * @param {Response} res
+   */
+  async getAdminStatsForYear(req, res) {
+    const year = Number(req.params.year)
+    if (isNaN(year) || year < 2000 || year > 9999) {
+      Logger.error(`[StatsController] Invalid year "${year}"`)
+      return res.status(400).send('Invalid year')
+    }
+    const stats = await adminStats.getStatsForYear(year)
+    res.json(stats)
+  }
+
+  /**
+   *
+   * @param {RequestWithUser} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  async middleware(req, res, next) {
+    if (!req.user.isAdminOrUp) {
+      Logger.error(`[StatsController] Non-root user "${req.user.username}" attempted to access stats route`)
+      return res.sendStatus(403)
+    }
+
+    next()
+  }
+}
+module.exports = new StatsController()