D-Net

const URL = require('url');

const expireShort = 2 * 60 * 1000; //2mins

const expireLong = 24 * 60 * 60 * 1000; //24 hours

const longCachingRequests = ["/communityFull", "/full", "/pagehelpcontent",

let cors = require('cors');

app.use(cors());

let cache = () => {

    return (req, res, next) => {

                clearCache();

            }

            let key = '__express__' + req.query.url;

                res.send = (body) => {

                    let alreadyCached = !!mcache.get(key);

                    entries.set(mcache.memsize());

                        responses.inc({scheme: scheme, target: target, code: res.statusCode});

                        end();

                    }

                    if (res.statusCode === 200) {

                        // console.log("Expire in " +(longCache?expireLong:expireShort) + " " +req.query.url);

                            entries.set(mcache.memsize());

                        });

                    }

app.get('/clear', (req, res) => {

    let c = mcache.size();

    const url = req.query.url;

        let key = '__express__' + req.query.url;

        mcache.del(key);

        entries.set(mcache.size());

        clearCache();

    res.header("Access-Control-Allow-Headers", "Origin, Content-Type,  Content-Length");

    res.header("Access-Control-Allow-Methods", "GET,  OPTIONS");

    res.header("Access-Control-Allow-Methods", "GET,  OPTIONS");

    res.header("Content-Type", "application/json");

});

app.get('/metrics', (req, res) => {

    response["code"] = code;

    response["message"] = message;

    return response;

    console.log("cache is cleared!");

    mcache.clear();

    entries.set(mcache.size());

}

    longCachingRequests.forEach(partUrl => {

            long = true;

        }

    });

    return long;

}

function resetAtMidnight() {

    console.log("Run Reset timer");

    var now = new Date();

    var night = new Date(

        now.getFullYear(),

        now.getMonth(),

    );

    var msToMidnight = night.getTime() - now.getTime();

        clearCache();              //      <-- This is the function being called at midnight.

        resetAtMidnight();    //      Then, reset again next midnight.

    }, msToMidnight);