83 lines
3.0 KiB
JavaScript
83 lines
3.0 KiB
JavaScript
const http = require("http");
|
|
const fs = require("fs");
|
|
const path = require("path");
|
|
|
|
const PORT = process.env.PORT || 3000;
|
|
const DATA = path.join(__dirname, "data.json");
|
|
|
|
function readData() {
|
|
try { return JSON.parse(fs.readFileSync(DATA, "utf8")); } catch (_) { return { orders: [] }; }
|
|
}
|
|
function writeData(data) {
|
|
fs.writeFileSync(DATA, JSON.stringify(data, null, 2));
|
|
}
|
|
function body(req) {
|
|
return new Promise((resolve) => {
|
|
let s = "";
|
|
req.on("data", (c) => (s += c));
|
|
req.on("end", () => { try { resolve(JSON.parse(s || "{}")); } catch (_) { resolve({}); } });
|
|
});
|
|
}
|
|
|
|
http.createServer(async (req, res) => {
|
|
res.setHeader("Access-Control-Allow-Origin", "*");
|
|
res.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");
|
|
res.setHeader("Access-Control-Allow-Headers", "Content-Type");
|
|
|
|
if (req.method === "OPTIONS") {
|
|
res.writeHead(200);
|
|
return res.end();
|
|
}
|
|
|
|
if (req.method === "GET" && req.url === "/api/data") {
|
|
res.writeHead(200, { "Content-Type": "application/json" });
|
|
return res.end(JSON.stringify(readData()));
|
|
}
|
|
|
|
if (req.method === "POST" && req.url === "/api/data") {
|
|
const data = readData();
|
|
const item = await body(req);
|
|
item.id = parseInt(item.id) || Date.now();
|
|
data.orders.push(item);
|
|
writeData(data);
|
|
res.writeHead(200, { "Content-Type": "application/json" });
|
|
return res.end(JSON.stringify({ ok: true, item }));
|
|
}
|
|
|
|
if (req.method === "PUT" && req.url.startsWith("/api/data/")) {
|
|
const id = parseInt(req.url.split("/").pop());
|
|
const data = readData();
|
|
const idx = data.orders.findIndex(i => i.id === id);
|
|
if (idx !== -1) {
|
|
const update = await body(req);
|
|
data.orders[idx] = { ...data.orders[idx], ...update };
|
|
writeData(data);
|
|
res.writeHead(200, { "Content-Type": "application/json" });
|
|
return res.end(JSON.stringify({ ok: true }));
|
|
}
|
|
res.writeHead(404, { "Content-Type": "application/json" });
|
|
return res.end(JSON.stringify({ error: "Not found" }));
|
|
}
|
|
|
|
if (req.method === "DELETE" && req.url.startsWith("/api/data/")) {
|
|
const id = parseInt(req.url.split("/").pop());
|
|
const data = readData();
|
|
data.orders = data.orders.filter(i => i.id !== id);
|
|
writeData(data);
|
|
res.writeHead(200, { "Content-Type": "application/json" });
|
|
return res.end(JSON.stringify({ ok: true }));
|
|
}
|
|
|
|
let file = req.url === "/" ? "/index.html" : req.url.split("?")[0];
|
|
const full = path.join(__dirname, file);
|
|
if (full.startsWith(__dirname) && fs.existsSync(full) && fs.statSync(full).isFile()) {
|
|
const ext = path.extname(full);
|
|
const type = ext === ".css" ? "text/css" : ext === ".js" ? "application/javascript" : ext === ".svg" ? "image/svg+xml" : "text/html";
|
|
res.writeHead(200, { "Content-Type": type + "; charset=utf-8" });
|
|
return res.end(fs.readFileSync(full));
|
|
}
|
|
|
|
res.writeHead(404, { "Content-Type": "text/html" });
|
|
res.end("Not found");
|
|
}).listen(PORT, () => console.log("Dashboard running on port " + PORT));
|