added public stats dao

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;

backend/handlers/stats.js

@@ -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();
-  }
-});