Pokemon GO slack bot notifications

pokemon-slack-bot.js

var async = require('async'),
    request = require('request'),
    sprintf = require('sprintf-js').sprintf,
    pokegoScan = require('pokego-scan');

// coords to check in a loop
var coords = {
	latitude: null,
	longitude: null
};

// slack webhook
var slack = {
    webhook: 'https://hooks.slack.com/services/...',
    channel: '@user|#channel'
};

// max distane to the given coordinates
var distance = 100;

function sendSlackNotification(slackInfo, content, next) {
    var data = {
        username: content.appName+' deployment',
        text: content.message,
        attachments: []
    };

    if (slackInfo.channel) {
        data.channel = slackInfo.channel;
    }

    if (content.extraText) {
        data.attachments.push({ text: content.extraText });
    }

    request.post(slackInfo.webhook, { json: data }, next);
}

var alreadyFound = {};

function performScan(next) {
    pokegoScan(coords, {distance: distance}, function(err, pokemon) {
        var attachments = [];

        pokemon.forEach(function(pok) {
            // already found in a scan before, dont report it
            if (alreadyFound[pok.id]) {
                return;
            }

            // save the pokemon as already found
            alreadyFound[pok.id] = true;

            var gmapsUrl = 'https://www.google.com/maps/place/'+pok.latitude+','+pok.longitude;

            attachments.push({
                text: sprintf("%s (<%s|PokeVision>, <%s|Google Maps>)", pok.name, pok.map, gmapsUrl),
                thumb_url: pok.image,
                fields: [{
                    title: 'Distance',
                    value: pok.distance_str,
                    short: true
                }, {
                    title: 'Despawns',
                    value: pok.despawns_in_str,
                    short: true
                }]
            })
        });

        if (attachments.length) {
            request.post(slack.webhook, {
                json: {
                    channel: slack.channel,
                    username: 'PokeVision Bot',
                    icon_url: 'https://pokevision.com/asset/image/logo-mini-light.png',
                    text: 'Pokemon found '+distance+'m from you',
                    attachments: attachments
                }
            }, function() {
                next(null, attachments.length);
            });
        } else {
            next(null, 0);
        }
    });
}

console.log('scanning for pokemon within '+distance+'m');

async.forever(function(loop) {
    performScan(function(err, numNewFound) {
        console.log(numNewFound+' new pokemon found within '+distance+'m');

        if (err) return loop(err);

        setTimeout(function() {
            loop(null);
        }, 60000 /* 60s */);
    });
}, function(err) {
    console.error('error: '+err.message);
});

To use, assign valid coordinates to coords and a valid slack webhook and channel name to slack. By editing distance pokemon in a different range to the given coordinates can be retrieved.