Strætó Rauntímakort

gistfile1.coffee

qs      = require 'querystring'
request = require 'request'
cradle  = require 'cradle'

http    = require 'http'

client  = new cradle.Connection
db      = client.database 'bus-realtime'

url = "http://www.straeto.is/bitar/bus/livemap/json.jsp"

activeRoutes = (callback) ->
    request url, (err, res, body) ->
        try
            obj = JSON.parse body
            callback null, (r.id for r in obj.routes)
        catch error
            callback error

fetchLocations = (routes, callback) ->
    params = qs.encode { routes: routes.join ',' }

    request "#{url}?#{params}", (err, res, body) ->
        try
            obj = JSON.parse body
            obj.date = new Date

            db.save obj, callback
        catch error
            callback error

tick = ->
    activeRoutes (err, routes) -> 
        fetchLocations routes, (err, res) ->
            if err
                return console.log err

            console.log res

tick()
setInterval(tick, 15000)