From 8a44e170da08e4af7c828ce4b3ad29d805664cef Mon Sep 17 00:00:00 2001
From: Miodec <bartnikjack@gmail.com>
Date: Sat, 12 Jun 2021 13:39:30 +0100
Subject: [PATCH] added public stats dao

---
 backend/dao/publicstatsDAO.js | 32 ++++++++++++++++++++++++++++++++
 backend/handlers/stats.js     | 26 --------------------------
 2 files changed, 32 insertions(+), 26 deletions(-)
 create mode 100644 backend/dao/publicstatsDAO.js
 delete mode 100644 backend/handlers/stats.js

diff --git a/backend/dao/publicstatsDAO.js b/backend/dao/publicstatsDAO.js
new file mode 100644
index 000000000..6657db6f6
--- /dev/null
+++ b/backend/dao/publicstatsDAO.js
@@ -0,0 +1,32 @@
+const MonkeyError = require("../handlers/error");
+const { mongoDB } = require("../init/mongodb");
+const { roundTo2 } = require("../handlers/misc");
+
+class PublicStatsDAO {
+
+  static async increment(started, completed, time){
+    time = roundTo2(time);
+    await mongoDB()
+    .collection("users")
+    .updateOne(
+      { name: 'startedTests' },
+      { $inc: { value: started } }
+    );
+    await mongoDB()
+    .collection("users")
+    .updateOne(
+      { name: 'completedTests' },
+      { $inc: { value: completed } }
+    );
+    await mongoDB()
+    .collection("users")
+    .updateOne(
+      { name: 'timeTyping' },
+      { $inc: { value: time } }
+    );
+    return true;
+  }
+
+}
+
+module.exports = PublicStatsDAO;
diff --git a/backend/handlers/stats.js b/backend/handlers/stats.js
deleted file mode 100644
index 825daf00c..000000000
--- a/backend/handlers/stats.js
+++ /dev/null
@@ -1,26 +0,0 @@
-async function incrementPublicTypingStats(started, completed, time) {
-  try {
-    time = roundTo2(time);
-    Stats.findOne({}, (err, stats) => {
-      stats.completedTests += completed;
-      stats.startedTests += started;
-      stats.timeTyping += time;
-      stats.save();
-    });
-  } catch (e) {
-    console.error(`Error while incrementing public stats: ${e}`);
-  }
-}
-
-
-// Initialize stats database if none exists
-Stats.findOne((err, stats) => {
-  if (!stats) {
-    let newStats = new Stats({
-      completedTests: 0,
-      startedTests: 0,
-      timeTyping: 0,
-    });
-    newStats.save();
-  }
-});