70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
// Node.js API server to fetch and merge Slovak company data by IČO
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// from two Finančná správa SR API endpoints with 404-safe handling
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const express = require("express");
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const axios = require("axios");
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const app = express();
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const PORT = 3000;
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// Insert your API key below
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const API_KEY = "2t5lK487ces7Rc4oEHrIwCjB5DpoZUBChQxCLBiSrwGNdEubKpraAtQLEiJmPXkdjNw5FssYpuO0LXSZpk3U6oqePyFaIGHokg4WNPEM0302X2BK4iXpkFv9Qg7jyeUXh50bWVExVrVSBuOnOQpBzzdJ1k1D54b115MD3y5ticWxvGDLUaqLQgA6nzFgbYOx6dR0ToJUxU714TetLBZCBy0xKSnBaOrxYv10I1gZ1q4rQx4Q8k7BTR6MaP";
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// Safe fetch wrapper to handle 404 as empty result
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async function fetchSafe(url) {
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try {
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const res = await axios.get(url, {
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headers: {
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accept: "application/json",
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key: API_KEY
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}
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});
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return res.data?.data || [];
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} catch (err) {
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if (err.response?.status === 404) {
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return []; // return empty list if not found
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}
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throw err;
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}
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}
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// API endpoint: /api/lookup?ico=XXXXXXXX
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app.get("/api/lookup", async (req, res) => {
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const ico = req.query.ico;
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if (!ico) {
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return res.status(400).json({ error: "Missing ICO parameter" });
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}
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const endpoints = [
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`https://iz.opendata.financnasprava.sk/api/data/ds_dsrdp/search?page=1&column=ico&search=${ico}`,
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`https://iz.opendata.financnasprava.sk/api/data/ds_dphs/search?page=1&column=ico&search=${ico}`
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];
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try {
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const [data1, data2] = await Promise.all([
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fetchSafe(endpoints[0]),
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fetchSafe(endpoints[1])
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]);
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const merged = [...data1, ...data2].filter(
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(item, index, self) =>
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index === self.findIndex((t) =>
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JSON.stringify(t) === JSON.stringify(item)
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)
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);
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res.json({
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source1_count: data1.length,
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source2_count: data2.length,
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merged_count: merged.length,
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data: merged
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});
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} catch (error) {
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res.status(500).json({ error: error.message });
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}
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});
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app.listen(PORT, () => {
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console.log(`API server running at http://localhost:${PORT}`);
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}); |