139 lines
3.6 KiB
JavaScript
Executable file
139 lines
3.6 KiB
JavaScript
Executable file
// DO NOT CHANGE!
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//init app with express, util, body-parser, csv2json
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var express = require('express');
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var app = express();
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var sys = require('util');
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var path = require('path');
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var bodyParser = require('body-parser');
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var Converter = require("csvtojson").Converter;
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//register body-parser to handle json from res / req
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app.use(bodyParser.json());
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//register public dir to serve static files (html, css, js)
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app.use(express.static(path.join(__dirname, "public")));
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// END DO NOT CHANGE!
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/**************************************************************************
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****************************** csv2json *********************************
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**************************************************************************/
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const csv = require('csvtojson')
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var json;
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csv()
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.fromFile("world_data.csv")
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.then((jsonObj) => {
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json = jsonObj;
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console.log(jsonObj);
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})
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/**************************************************************************
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********************** handle HTTP METHODS ***********************
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**************************************************************************/
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// ------------------------------ GET ------------------------------
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app.get("/items", function (req, res) {
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console.log(json);
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res.send(json);
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});
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app.get("/items/:id", function (req, res) {
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var requested_id = parseInt(req.params.id);
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var answer = [];
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for (var i = 0; i < json.length; i++) {
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if (json[i].id == requested_id) {
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answer = [json[i]];
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}
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}
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res.send(answer);
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});
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app.get("/items/:id1/:id2", function (req, res) {
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var first_requested_id = parseInt(req.params.id1);
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var second_requested_id = parseInt(req.params.id2);
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var answer = [];
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// check that first id is bigger than 0
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// and the second one is the bigger one
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if (first_requested_id >= 0 && second_requested_id > first_requested_id) {
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var enable_push = false;
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for (i; i < json.length; i++) {
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// enable push when the first id is found
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if (parseInt(json[i]["id"]) == first_requested_id) {
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enable_push = true;
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}
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// push key when enabled
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if (enable_push) {
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answer.push(json[i]);
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}
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// leave when second id is found
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if (parseInt(json[i]["id"]) == second_requested_id) {
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break;
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}
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}
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}
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res.send(answer);
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});
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app.get("/properties", function (req, res) {
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var answer = [];
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for (var key in json[0]) {
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answer.push(key);
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}
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res.send(answer);
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});
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app.get("/properties/:num", function (req, res) {
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let num = parseInt(req.params.num);
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var answer = [];
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var i = 0;
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for (var key in json[0]) {
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if (i == num) {
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answer = [key];
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break;
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}
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i++;
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}
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res.send(answer);
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})
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// ----------------------------- POST ------------------------------
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app.post("/items", function (req, res) {
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var answer = bla();
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res.send(answer);
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});
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// ---------------------------- DELETE -----------------------------
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app.delete("/items", function (req, res) {
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var answer = bla();
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res.send(answer);
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});
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app.delete("/items/id", function (req, res) {
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var answer = bla();
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res.send(answer);
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});
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// DO NOT CHANGE!
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// bind server to port
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var server = app.listen(3000, function () {
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var host = server.address().address;
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var port = server.address().port;
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console.log('Example app listening at http://%s:%s', host, port);
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}); |