Implemented stats page

server/statistics.js

@@ -0,0 +1,47 @@
+//environment variables
+require('dotenv').config();
+
+const round = (x) => Math.round(x * 100) / 100;
+
+const statisticsRequest = (connection) => (req, res) => {
+	let query = 'SELECT COUNT(*) AS playerCount, SUM(gold) / COUNT(*) AS goldAverage FROM profiles;';
+	connection.query(query, (err, results) => {
+		if (err) throw err;
+
+		let playerCount = results[0].playerCount;
+		let goldAverage = results[0].goldAverage;
+
+		//determine the correct tick rate based on the current gold average
+		//NOTE: copy/pasted
+		let tickRate = (() => {
+			if (results[0].goldAverage < 120) return 5;
+			if (results[0].goldAverage < 130) return 15;
+			if (results[0].goldAverage < 140) return 30;
+			return 60; //slow it way down
+		})();
+
+		let nextTick = tickRate - (new Date()).getMinutes() % tickRate;
+
+		let query = 'SELECT COUNT(*) AS activity FROM accounts WHERE lastActivityTime >= DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 DAY);';
+		connection.query(query, (err, results) => {
+			if (err) throw err;
+
+			let activity = results[0].activity;
+			let activePercentage = round(activity / playerCount * 100);
+
+			res.status(200).json({
+				'Player Count': playerCount,
+				'Active Players': activity,
+				'Active Percentage': { string: `${activePercentage}%`, color: activePercentage >= 10 ? 'lightgreen' : activePercentage >= 5 ? 'yellow' : 'red'},
+				'Gold Average': `${round(goldAverage)}`,
+				'Tick Rate': `${tickRate} minutes`,
+				'Next Tick': `${nextTick} minute${nextTick === 1 ? '' : 's'} from now`
+			});
+			res.end();
+		});
+	});
+};
+
+module.exports = {
+	statisticsRequest: statisticsRequest
+};