Files
old-web/backend/index.js

77 lines
1.9 KiB
JavaScript

let fetch = require("node-fetch");
let cheerio = require("cheerio");
let express = require("express");
const path = require("path");
const bodyParser = require("body-parser");
const MarketAlert = require("./MarketAlert");
const sequelize = require("./db.js");
const app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
const port = process.env.PORT || 5000;
app.get("/api/:url", async (req, res) => {
let url =
"https://www.olx.ba/pretraga?" +
req.params.url +
"&sort_order=desc&sort_po=datum";
let appts = [];
response = await fetch(url);
const body = await response.text();
const $ = cheerio.load(body);
$("#rezultatipretrage")
.find(".listitem")
.each(async (index, elem) => {
if (index == 0) {
lastItemDate = $(elem)
.find(".cijena > .datum > div")
.first()
.attr("data-cijelidatum");
}
const id = $(elem)
.find("a")
.first()
.attr("href");
const cijena = $(elem)
.find(".cijena > .datum > span")
.first()
.text();
const image = $(elem)
.find("a > .slika > img")
.first()
.attr("src");
appts.push({ url: id, price: cijena, image });
});
const [dan, mjesec, godina] = lastItemDate
.split(". u ")[0]
.split(".")
.map(el => Number(el));
const [sati, minute] = lastItemDate
.split(". u ")[1]
.split(":")
.map(el => Number(el));
last_date = String(new Date(godina, mjesec, dan, sati, minute));
res.json({
last_date,
items: appts
});
});
app.post("/api/marketalerts", function(req, res) {
const { email, last_date, olx_url } = req.body;
sequelize.sync().then(() =>
MarketAlert.create({
olx_url,
last_date,
email
})
);
res.json({ message: "Market Alert Created!" });
});
app.listen(port, () => console.log(`Example app listening on port ${port}!`));