pull winners from turkish lottery official page

mpi.js

#!/usr/bin/env node

'use strict';

const fs = require("fs")
const dns = require("dns")
const url = require('url')
const http = require("http")
const https = require("https")

const userAgentString =	"Mozilla/5.0 (custom)"
const target = "http://millipiyango.gov.tr/sonuclar/listCekilisleriTarihleri.php?tur=piyango"
const actual = "http://millipiyango.gov.tr/sonuclar/cekilisler/piyango/{id}.json"
const amount = "amount"

if(require.main === module) {
	if(process.argv.length < 3) {
		console.log("usage:", process.argv.join(" "), "file")
		console.log("\t" + "file to store data")
		return
	}
	let file = process.argv[2]
	let store = {}
	try {
		store = JSON.parse(fs.readFileSync(file))
	} catch(e) {
		console.log("[fail] file read & parse:", e)
	}
	process.on("beforeExit", function(e) {
		console.log("[info] writing to:", file)
		try {
			fs.writeFileSync(file, JSON.stringify(store, null, 4))
			console.log("[ ok ] sync done")
		} catch(err) {
			console.log("[fail] writing!")
		}
		return
	})
	let body = /*new*/ String()
	let req = http.request({
		method: "GET",
		host:   url.parse(target).host,
		//port:   80,
		//auth:   credentials,
		path:   url.parse(target).path,
		headers: {
			"user-agent": userAgentString,
		},
	}, function(res) {
		if(!res) {
			console.log("[warn] returning:", "request.result")
			return
		}
		res.on("data", function(d) {
			body += d
			return
		})
		return
	}) // -http.request
	req.on("error", function(e) {
		console.log("[fail] error:", endpoint, "msg:", e)
		return
	}) // -req.on error
	req.on("close", function(e) {
		if(!req.res || !body) {
			console.log("[warn] returning:", "request.on.close")
			return
		}
		let json = JSON.parse(body)
		json.forEach(function(x, i, o) {
			let body = ""
			let req = http.request({
				//auth: credentials,
				//port: 80,
				host: url.parse(actual).host,
				path: url.parse(actual.replace("{id}", x.tarih)).path,
				method: "GET",
				headers: {
					"user-agent": userAgentString,
				},
			}, function(res) {
				if(!res) {
					return
				}
				res.on("data", function(d) {
					body += d
					return
				})
				return
			})
			req.on("error", function(e) {
				console.log("[fail] sub-request:", e)
				return
			})
			req.on("close", function(e) {
				if(!req.res || !body) {
					return
				}
				//console.log(req, body)
				let json = JSON.parse(body)
				json.sonuclar.forEach(function(s, i, o) {
					if(store[x.tarih] === undefined) {
						store[x.tarih] = {}
					}
					if(store[x.tarih][s.tip] === undefined) {
						store[x.tarih][s.tip] = {}
					}
					if(store[x.tarih][s.tip][s.ikramiye] === undefined) {
						store[x.tarih][s.tip][s.ikramiye] = []
					}
					if(store[x.tarih][s.tip][s.ikramiye].length >= s.numaralar.length) {
						return
					}
					s.numaralar.forEach(function(n, i, o) {
						store[x.tarih][s.tip][s.ikramiye].push(n)
						return
					})
					return
				})
				return
			}) //-req.on close
			req.end()
			return
		})
		return
	}) // -req.on close
	req.end()
	return
}