LondonPogoMap/Discord Bot v1

bot_token = '0'; // redacted
google_key = '0'; // redacted

// converts timecodes into legible times (call with no parameter for time now)
function time(timecode) {
    if (typeof timecode == 'undefined') {var date = new Date();} else {var date = new Date(timecode);};
    var hours = date.getHours();
    var minutes = "0" + date.getMinutes();
    var seconds = "0" + date.getSeconds();
    return hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2);
}

// converts Pokemon spawns into text notifications for Discord
function tellD(pokemon) {
    iv_percent = Math.round(((pokemon.attack + pokemon.defence + pokemon.stamina)/45)*100);

    // tries to retrieve postcode and suburb from OpenStreetMap
    urlrg = 'https://nominatim.openstreetmap.org/reverse?format=json&lat='+pokemon.center.lat+'&lon='+pokemon.center.lng
    var xhs = new XMLHttpRequest(); xhs.open('GET', urlrg, false); xhs.send();
    address = JSON.parse(xhs.response).address;
    suburb = address.suburb; postcode = address.postcode;
    if (typeof postcode == 'undefined') {postcode = "?"; };
    if (typeof suburb == 'undefined') {suburb = ""; } else {suburb = ' ' + suburb};
    if (postcode.indexOf(' ') != -1) {postcode = postcode.substr(0,postcode.indexOf(' '));};

    // tries to retrieve more-accurate postcode from postcodes.io, and replaces OSM postcode if successful, adds ? if not
    urlps = 'https://api.postcodes.io/postcodes?lat='+pokemon.center.lat+'&lon='+pokemon.center.lng
    var xht = new XMLHttpRequest(); xht.open('GET', urlps, false); xht.send();
    try {postcode = JSON.parse(xht.response).result[0].outcode;}
        catch(error) {postcode = postcode + '?'; };

    url = 'http://www.google.com/maps/place/' + pokemon.center.lat + ',' + pokemon.center.lng;

    var expiry_time = time(pokemon.despawn*1000);
    var rem_time = timeToString(pokemon.remainingTime());

    return pokeDict[pokemon.id].name+' | '+iv_percent+'% | '+postcode+suburb+' | '+rem_time+' (until '+expiry_time+') | '+url;
}

// converts Pokemon spawns into map image url
function StatIm(pokemon) {
    return 'https://maps.googleapis.com/maps/api/staticmap?markers='+pokemon.center.lat+','+pokemon.center.lng+'&zoom=15&size=400x400&sensor=false&key='+google_key;
}

// sends text to Discord
function notifyD(content, channel) {
    var xhr = new XMLHttpRequest();
    xhr.open('POST', "https://discordapp.com/api/channels/"+channel+"/messages", true);
    xhr.setRequestHeader('Authorization', 'Bot '+bot_token);
    xhr.setRequestHeader('Content-Type', 'application/json');
    xhr.send('{"content":"'+content+'"}');
    console.log(content);
}

// sends text + embedded image to Discord
function notifyImD(content, embed_url, channel) {
    var xhr = new XMLHttpRequest();
    xhr.open('POST', "https://discordapp.com/api/channels/"+channel+"/messages", true);
    xhr.setRequestHeader('Authorization', 'Bot '+bot_token);
    xhr.setRequestHeader('Content-Type', 'application/json');
    xhr.send('{"content":"'+content+'","embed": {"image": {"url":"'+embed_url+'"}}}');
    console.log('[I] '+content);
}

// opens connection with Discord
var ws = new WebSocket('wss://gateway.discord.gg');
gateway = JSON.stringify({
 "op": 2,
 "d": {
 "token": bot_token,
 "properties": {"$os": "linux", "$browser": "sometestingbrowser", "$device": "sometestingdevice", "$referrer": "", "$referring_domain": "",},
 "compress": true,
 "large_threshold": 250,
 }
});
setTimeout(function(){ws.send(gateway)}, 2 * 1000);

// channel IDs
const pysgeneral =    '293028598024110080'
const pyschannel1 =   '293838131407486980'
const pyschannel2 =   '296066428694429697'
const pyschannel3 =   '296965358533869568'
const pyschannel4 =   '296986176567640064'
const pglgeneral =    '260119001018007552'
const pgldev =        '276041020402040833'
const pgllarvitar =   '283156333015072768'
const pglbig =        '268886255952068619'
const pgldefenders =  '268886358762717194'
const pgldexfillers = '268886304509394944'
const pglperfect =    '260507173296013312'

// IV filters
iv = Array.apply(null, new Array(252)).map(Number.prototype.valueOf,0);
iv[143] = -45; iv[149] = -45; iv[181] = -45; iv[201] = -45; iv[242] = -45; iv[248] = -45;
iv[179] = -45; iv[180] = -45;
iv[246] = -45; iv[247] = -45;
iv[113] = -2;

// radius filters
r = Array.apply(null, new Array(252)).map(Number.prototype.valueOf,100);
home_lat = 51.507406; home_lng = -0.127675;

// channel assignments (for channels targetting particular species)
target = Array.apply(null, new Array(252)).map(Number.prototype.valueOf,0);
for (i = 0, len = target.length; i < len; i++) {
    if (new Set([143, 149, 181, 201, 242, 248]).has(i)) {target[i] = pglbig}
    else if (new Set([179, 180]).has(i)) {target[i] = pyschannel4}
    else if (new Set([246, 247]).has(i)) {target[i] = pgllarvitar}
}

var known_despawns = []; // keeps track of Pokemon already notified
var first_run = 0; // the bot skips Pokemon already on the map when it's started
setTimeout(function(){notifyD('Start', pysgeneral)}, 4 * 1000);

// loop (from here to end of code)
var timer = setInterval(function() {

b = [];

// polls map for desired Pokemon
for (i = 0, len = this.pokemons.length; i < len; i++) {
    test = this.pokemons[i];
    test_iv = (test.attack + test.defence + test.stamina) - 45;
    if (test_iv >= iv[test.id]) {
        test_x = Math.abs(test.center.lat - home_lat)*110.574;
        test_y = Math.abs(test.center.lng - home_lng)*69.298;
        if (test_x*test_x + test_y*test_y < r[test.id]*r[test.id]) {
            test.iv = test_iv;
            b.push(test);
        }
    }
}

// sends out notifications for polled Pokemon
for (i = 0, len = b.length; i < len; i++) {
    if (known_despawns.indexOf(b[i].despawn) != -1) { continue; };
    known_despawns.push(b[i].despawn);
    if (first_run == 0) { continue; };
    notif = tellD(b[i]);
    if (notif == null) {console.log('Skipped'); continue; };
    if (target[b[i].id] != 0) {notifyImD(notif, StatIm(b[i]), target[b[i].id])}
    if (b[i].iv == 0 || (b[i].iv >= -2 && b[i].id == 113)) {notifyImD(notif, StatIm(b[i]), pglperfect)}
}

first_run = 1;
console.log('Ran at '+time())
}, 30 * 1000);