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kingdombattles/server/statistics.js
T
2019-06-07 17:09:18 +10:00

47 lines
1.5 KiB
JavaScript

//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
};