82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
const http = require("http");
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const fs = require("fs");
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const path = require("path");
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const PORT = process.env.PORT || 3000;
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const DATA = path.join(__dirname, "data.json");
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function load() {
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try { return JSON.parse(fs.readFileSync(DATA, "utf8")); } catch (_) { return { notes: [] }; }
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}
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function save(d) {
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fs.writeFileSync(DATA, JSON.stringify(d, null, 2));
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}
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function body(req) {
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return new Promise((resolve) => {
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let s = "";
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req.on("data", (c) => (s += c));
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req.on("end", () => { try { resolve(JSON.parse(s || "{}")); } catch (_) { resolve({}); } });
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});
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}
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http.createServer(async (req, res) => {
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const url = req.url.split("?")[0];
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// Список всех заметок (опционально фильтр по дате)
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if (req.method === "GET" && url === "/api/notes") {
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const q = new URL(req.url, "http://x").searchParams;
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const date = q.get("date");
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const db = load();
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const list = date ? db.notes.filter((n) => n.date === date) : db.notes;
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res.writeHead(200, { "Content-Type": "application/json" });
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return res.end(JSON.stringify(list));
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}
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// Добавить заметку
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if (req.method === "POST" && url === "/api/notes") {
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const note = await body(req);
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if (!note.date || !note.text) {
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res.writeHead(400, { "Content-Type": "application/json" });
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return res.end(JSON.stringify({ ok: false, error: "date и text обязательны" }));
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}
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const db = load();
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const item = { id: Date.now(), date: note.date, text: String(note.text).slice(0, 300), done: !!note.done };
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db.notes.push(item);
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save(db);
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res.writeHead(200, { "Content-Type": "application/json" });
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return res.end(JSON.stringify(item));
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}
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// Переключить «сделано»
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if (req.method === "PATCH" && url === "/api/notes") {
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const patch = await body(req);
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const db = load();
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const note = db.notes.find((n) => n.id === patch.id);
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if (note) note.done = !!patch.done;
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save(db);
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res.writeHead(200, { "Content-Type": "application/json" });
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return res.end(JSON.stringify({ ok: !!note }));
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}
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// Удалить заметку
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if (req.method === "DELETE" && url.startsWith("/api/notes/")) {
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const id = Number(url.split("/").pop());
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const db = load();
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db.notes = db.notes.filter((n) => n.id !== id);
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save(db);
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res.writeHead(200, { "Content-Type": "application/json" });
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return res.end(JSON.stringify({ ok: true }));
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}
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// Статика: index.html / style.css / script.js
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let file = req.url === "/" ? "/index.html" : url;
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const full = path.join(__dirname, file);
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if (full.startsWith(__dirname) && fs.existsSync(full) && fs.statSync(full).isFile()) {
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const ext = path.extname(full);
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const type = ext === ".css" ? "text/css" : ext === ".js" ? "application/javascript" : "text/html";
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res.writeHead(200, { "Content-Type": type + "; charset=utf-8" });
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return res.end(fs.readFileSync(full));
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}
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res.writeHead(404); res.end("Not found");
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}).listen(PORT, () => console.log("Сервер на порту " + PORT));
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