feat: push notifikace pro připomínku výběru oběda

2026-03-04 13:33:58 +01:00
parent b77914404b
commit d62f6c1f5a
10 changed files with 439 additions and 6 deletions
--- a/server/.env.template
+++ b/server/.env.template
@@ -37,4 +37,10 @@
 # HTTP_REMOTE_TRUSTED_IPS=127.0.0.1,192.168.1.0/24

 # Název důvěryhodné hlavičky obsahující login uživatele. Výchozí hodnota je 'remote-user'.
-# HTTP_REMOTE_USER_HEADER_NAME=remote-user
+# HTTP_REMOTE_USER_HEADER_NAME=remote-user
+
+# VAPID klíče pro Web Push notifikace (připomínka výběru oběda).
+# Vygenerovat pomocí: npx web-push generate-vapid-keys
+# VAPID_PUBLIC_KEY=
+# VAPID_PRIVATE_KEY=
+# VAPID_SUBJECT=mailto:admin@example.com
--- a/server/package.json
+++ b/server/package.json
@@ -19,6 +19,7 @@
    "@types/jsonwebtoken": "^9.0.10",
    "@types/node": "^24.10.0",
    "@types/request-promise": "^4.1.48",
+    "@types/web-push": "^3.6.4",
    "babel-jest": "^30.2.0",
    "jest": "^30.2.0",
    "nodemon": "^3.1.10",
@@ -34,6 +35,7 @@
    "jsonwebtoken": "^9.0.0",
    "redis": "^5.9.0",
    "simple-json-db": "^2.0.0",
-    "socket.io": "^4.6.1"
+    "socket.io": "^4.6.1",
+    "web-push": "^3.6.7"
  }
 }
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -9,6 +9,7 @@ import { generateToken, getLogin, verify } from "./auth";
 import { getIsWeekend, InsufficientPermissions, PizzaDayConflictError, parseToken } from "./utils";
 import { getPendingQrs } from "./pizza";
 import { initWebsocket } from "./websocket";
+import { startReminderScheduler } from "./pushReminder";
 import pizzaDayRoutes from "./routes/pizzaDayRoutes";
 import foodRoutes, { refreshMetoda } from "./routes/foodRoutes";
 import votingRoutes from "./routes/votingRoutes";
@@ -185,6 +186,7 @@ const HOST = process.env.HOST ?? '0.0.0.0';

 server.listen(PORT, () => {
    console.log(`Server listening on ${HOST}, port ${PORT}`);
+    startReminderScheduler();
 });

 // Umožníme vypnutí serveru přes SIGINT, jinak Docker čeká než ho sestřelí
--- a/server/src/pushReminder.ts
+++ b/server/src/pushReminder.ts
@@ -0,0 +1,152 @@
+import webpush from 'web-push';
+import getStorage from './storage';
+import { getClientData, getToday } from './service';
+import { getIsWeekend } from './utils';
+import { LunchChoices } from '../../types';
+
+const storage = getStorage();
+const REGISTRY_KEY = 'push_reminder_registry';
+
+interface RegistryEntry {
+    time: string;
+    subscription: webpush.PushSubscription;
+}
+
+type Registry = Record<string, RegistryEntry>;
+
+/** Mapa login → datum (YYYY-MM-DD), kdy byl uživatel naposledy upozorněn. */
+const remindedToday = new Map<string, string>();
+
+function getTodayDateString(): string {
+    const now = new Date();
+    return `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`;
+}
+
+function getCurrentTimeHHMM(): string {
+    const now = new Date();
+    return `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`;
+}
+
+/** Zjistí, zda má uživatel zvolenou nějakou možnost stravování. */
+function userHasChoice(choices: LunchChoices, login: string): boolean {
+    for (const locationKey of Object.keys(choices)) {
+        const locationChoices = choices[locationKey as keyof LunchChoices];
+        if (locationChoices && login in locationChoices) {
+            return true;
+        }
+    }
+    return false;
+}
+
+async function getRegistry(): Promise<Registry> {
+    return await storage.getData<Registry>(REGISTRY_KEY) ?? {};
+}
+
+async function saveRegistry(registry: Registry): Promise<void> {
+    await storage.setData(REGISTRY_KEY, registry);
+}
+
+/** Přidá nebo aktualizuje push subscription pro uživatele. */
+export async function subscribePush(login: string, subscription: webpush.PushSubscription, reminderTime: string): Promise<void> {
+    const registry = await getRegistry();
+    registry[login] = { time: reminderTime, subscription };
+    await saveRegistry(registry);
+    console.log(`Push reminder: uživatel ${login} přihlášen k připomínkám v ${reminderTime}`);
+}
+
+/** Odebere push subscription pro uživatele. */
+export async function unsubscribePush(login: string): Promise<void> {
+    const registry = await getRegistry();
+    delete registry[login];
+    await saveRegistry(registry);
+    remindedToday.delete(login);
+    console.log(`Push reminder: uživatel ${login} odhlášen z připomínek`);
+}
+
+/** Vrátí veřejný VAPID klíč. */
+export function getVapidPublicKey(): string | undefined {
+    return process.env.VAPID_PUBLIC_KEY;
+}
+
+/** Zkontroluje a odešle připomínky uživatelům, kteří si nezvolili oběd. */
+async function checkAndSendReminders(): Promise<void> {
+    // Přeskočit víkendy
+    if (getIsWeekend(getToday())) {
+        return;
+    }
+
+    const registry = await getRegistry();
+    const entries = Object.entries(registry);
+    if (entries.length === 0) {
+        return;
+    }
+
+    const currentTime = getCurrentTimeHHMM();
+    const todayStr = getTodayDateString();
+
+    // Získáme data pro dnešek jednou pro všechny uživatele
+    let clientData;
+    try {
+        clientData = await getClientData(getToday());
+    } catch (e) {
+        console.error('Push reminder: chyba při získávání dat', e);
+        return;
+    }
+
+    for (const [login, entry] of entries) {
+        // Ještě nedosáhl čas připomínky
+        if (currentTime < entry.time) {
+            continue;
+        }
+
+        // Už jsme dnes připomenuli
+        if (remindedToday.get(login) === todayStr) {
+            continue;
+        }
+
+        // Uživatel už má zvolenou možnost
+        if (clientData.choices && userHasChoice(clientData.choices, login)) {
+            continue;
+        }
+
+        // Odešleme push notifikaci
+        try {
+            await webpush.sendNotification(
+                entry.subscription,
+                JSON.stringify({
+                    title: 'Luncher',
+                    body: 'Ještě nemáte zvolený oběd!',
+                })
+            );
+            remindedToday.set(login, todayStr);
+            console.log(`Push reminder: odeslána připomínka uživateli ${login}`);
+        } catch (error: any) {
+            if (error.statusCode === 410 || error.statusCode === 404) {
+                // Subscription expirovala nebo je neplatná — odebereme z registry
+                console.log(`Push reminder: subscription uživatele ${login} expirovala, odebírám`);
+                delete registry[login];
+                await saveRegistry(registry);
+            } else {
+                console.error(`Push reminder: chyba při odesílání notifikace uživateli ${login}:`, error);
+            }
+        }
+    }
+}
+
+/** Spustí scheduler pro kontrolu a odesílání připomínek každou minutu. */
+export function startReminderScheduler(): void {
+    const publicKey = process.env.VAPID_PUBLIC_KEY;
+    const privateKey = process.env.VAPID_PRIVATE_KEY;
+    const subject = process.env.VAPID_SUBJECT;
+
+    if (!publicKey || !privateKey || !subject) {
+        console.log('Push reminder: VAPID klíče nejsou nastaveny, scheduler nebude spuštěn');
+        return;
+    }
+
+    webpush.setVapidDetails(subject, publicKey, privateKey);
+
+    // Spustíme kontrolu každou minutu
+    setInterval(checkAndSendReminders, 60_000);
+    console.log('Push reminder: scheduler spuštěn');
+}
--- a/server/src/routes/notificationRoutes.ts
+++ b/server/src/routes/notificationRoutes.ts
@@ -2,6 +2,7 @@ import express, { Request } from "express";
 import { getLogin } from "../auth";
 import { parseToken } from "../utils";
 import { getNotificationSettings, saveNotificationSettings } from "../notifikace";
+import { subscribePush, unsubscribePush, getVapidPublicKey } from "../pushReminder";
 import { UpdateNotificationSettingsData } from "../../../types";

 const router = express.Router();
@@ -24,9 +25,43 @@ router.post("/settings", async (req: Request<{}, any, UpdateNotificationSettings
            discordWebhookUrl: req.body.discordWebhookUrl,
            teamsWebhookUrl: req.body.teamsWebhookUrl,
            enabledEvents: req.body.enabledEvents,
+            reminderTime: req.body.reminderTime,
        });
        res.status(200).json(settings);
    } catch (e: any) { next(e) }
 });

+/** Vrátí veřejný VAPID klíč pro registraci push notifikací. */
+router.get("/push/vapidKey", (req, res) => {
+    const key = getVapidPublicKey();
+    if (!key) {
+        return res.status(503).json({ error: "Push notifikace nejsou nakonfigurovány" });
+    }
+    res.status(200).json({ key });
+});
+
+/** Přihlásí uživatele k push připomínkám. */
+router.post("/push/subscribe", async (req, res, next) => {
+    const login = getLogin(parseToken(req));
+    try {
+        if (!req.body.subscription) {
+            return res.status(400).json({ error: "Nebyla předána push subscription" });
+        }
+        if (!req.body.reminderTime) {
+            return res.status(400).json({ error: "Nebyl předán čas připomínky" });
+        }
+        await subscribePush(login, req.body.subscription, req.body.reminderTime);
+        res.status(200).json({});
+    } catch (e: any) { next(e) }
+});
+
+/** Odhlásí uživatele z push připomínek. */
+router.post("/push/unsubscribe", async (req, res, next) => {
+    const login = getLogin(parseToken(req));
+    try {
+        await unsubscribePush(login);
+        res.status(200).json({});
+    } catch (e: any) { next(e) }
+});
+
 export default router;
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -1732,6 +1732,13 @@
  resolved "https://registry.yarnpkg.com/@types/tough-cookie/-/tough-cookie-4.0.5.tgz#cb6e2a691b70cb177c6e3ae9c1d2e8b2ea8cd304"
  integrity sha512-/Ad8+nIOV7Rl++6f1BdKxFSMgmoqEoYbHRpPcx3JEfv8VRsQe9Z4mCXeJBzxs7mbHY/XOZZuXlRNfhpVPbs6ZA==

+"@types/web-push@^3.6.4":
+  version "3.6.4"
+  resolved "https://registry.yarnpkg.com/@types/web-push/-/web-push-3.6.4.tgz#4c6e10d3963ba51e7b4b8fff185f43612c0d1346"
+  integrity sha512-GnJmSr40H3RAnj0s34FNTcJi1hmWFV5KXugE0mYWnYhgTAHLJ/dJKAwDmvPJYMke0RplY2XE9LnM4hqSqKIjhQ==
+  dependencies:
+    "@types/node" "*"
+
 "@types/yargs-parser@*":
  version "21.0.3"
  resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-21.0.3.tgz#815e30b786d2e8f0dcd85fd5bcf5e1a04d008f15"
@@ -1874,6 +1881,11 @@ acorn@^8.11.0, acorn@^8.4.1:
  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.14.0.tgz#063e2c70cac5fb4f6467f0b11152e04c682795b0"
  integrity sha512-cl669nCJTZBsL97OF4kUQm5g5hC2uihk0NxY3WENAC0TYdILVkAyHymAntgxGkl7K+t0cXIrH5siy5S4XkFycA==

+agent-base@^7.1.2:
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-7.1.4.tgz#e3cd76d4c548ee895d3c3fd8dc1f6c5b9032e7a8"
+  integrity sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ==
+
 ansi-escapes@^4.3.2:
  version "4.3.2"
  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-4.3.2.tgz#6b2291d1db7d98b6521d5f1efa42d0f3a9feb65e"
@@ -1928,6 +1940,16 @@ argparse@^1.0.7:
  dependencies:
    sprintf-js "~1.0.2"

+asn1.js@^5.3.0:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-5.4.1.tgz#11a980b84ebb91781ce35b0fdc2ee294e3783f07"
+  integrity sha512-+I//4cYPccV8LdmBLiX8CYvf9Sp3vQsrqu2QNXRcrbiWvcx/UdlFiqUJJzxRQxgsZmvhXhn4cSKeSmoFjVdupA==
+  dependencies:
+    bn.js "^4.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    safer-buffer "^2.1.0"
+
 asynckit@^0.4.0:
  version "0.4.0"
  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -2046,6 +2068,11 @@ binary-extensions@^2.0.0:
  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.3.0.tgz#f6e14a97858d327252200242d4ccfe522c445522"
  integrity sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw==

+bn.js@^4.0.0:
+  version "4.12.3"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.3.tgz#2cc2c679188eb35b006f2d0d4710bed8437a769e"
+  integrity sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==
+
 body-parser@^2.2.1:
  version "2.2.2"
  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-2.2.2.tgz#1a32cdb966beaf68de50a9dfbe5b58f83cb8890c"
@@ -2342,7 +2369,7 @@ css-what@^6.1.0:
  resolved "https://registry.yarnpkg.com/css-what/-/css-what-6.1.0.tgz#fb5effcf76f1ddea2c81bdfaa4de44e79bac70f4"
  integrity sha512-HTUrgRJ7r4dsZKU6GjmpfRK1O76h97Z8MfS1G0FozR+oF2kG6Vfe8JE6zwrkbxigziPHinCJ+gCPjA9EaBDtRw==

-debug@^4, debug@^4.1.0, debug@^4.3.1, debug@^4.4.0, debug@^4.4.1, debug@^4.4.3, debug@~4.4.1:
+debug@4, debug@^4, debug@^4.1.0, debug@^4.3.1, debug@^4.4.0, debug@^4.4.1, debug@^4.4.3, debug@~4.4.1:
  version "4.4.3"
  resolved "https://registry.yarnpkg.com/debug/-/debug-4.4.3.tgz#c6ae432d9bd9662582fce08709b038c58e9e3d6a"
  integrity sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==
@@ -2892,6 +2919,19 @@ http-errors@^2.0.0, http-errors@^2.0.1, http-errors@~2.0.1:
    statuses "~2.0.2"
    toidentifier "~1.0.1"

+http_ece@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http_ece/-/http_ece-1.2.0.tgz#84d5885f052eae8c9b075eee4d2eb5105f114479"
+  integrity sha512-JrF8SSLVmcvc5NducxgyOrKXe3EsyHMgBFgSaIUGmArKe+rwr0uphRkRXvwiom3I+fpIfoItveHrfudL8/rxuA==
+
+https-proxy-agent@^7.0.0:
+  version "7.0.6"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-7.0.6.tgz#da8dfeac7da130b05c2ba4b59c9b6cd66611a6b9"
+  integrity sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw==
+  dependencies:
+    agent-base "^7.1.2"
+    debug "4"
+
 human-signals@^2.1.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/human-signals/-/human-signals-2.1.0.tgz#dc91fcba42e4d06e4abaed33b3e7a3c02f514ea0"
@@ -2937,7 +2977,7 @@ inflight@^1.0.4:
    once "^1.3.0"
    wrappy "1"

-inherits@2, inherits@~2.0.4:
+inherits@2, inherits@^2.0.1, inherits@~2.0.4:
  version "2.0.4"
  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -3468,7 +3508,7 @@ jwa@^2.0.1:
    ecdsa-sig-formatter "1.0.11"
    safe-buffer "^5.0.1"

-jws@^4.0.1:
+jws@^4.0.0, jws@^4.0.1:
  version "4.0.1"
  resolved "https://registry.yarnpkg.com/jws/-/jws-4.0.1.tgz#07edc1be8fac20e677b283ece261498bd38f0690"
  integrity sha512-EKI/M/yqPncGUUh44xz0PxSidXFr/+r0pA70+gIYhjv+et7yxM+s29Y+VGDkovRofQem0fs7Uvf4+YmAdyRduA==
@@ -3621,6 +3661,11 @@ mimic-fn@^2.1.0:
  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
  integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==

+minimalistic-assert@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
+
 minimatch@^3.0.4, minimatch@^3.1.1, minimatch@^3.1.2:
  version "3.1.2"
  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.1.2.tgz#19cd194bfd3e428f049a70817c038d89ab4be35b"
@@ -3635,6 +3680,11 @@ minimatch@^9.0.4:
  dependencies:
    brace-expansion "^2.0.1"

+minimist@^1.2.5:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.8.tgz#c1a464e7693302e082a075cee0c057741ac4772c"
+  integrity sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==
+
 "minipass@^5.0.0 || ^6.0.2 || ^7.0.0", minipass@^7.1.2:
  version "7.1.2"
  resolved "https://registry.yarnpkg.com/minipass/-/minipass-7.1.2.tgz#93a9626ce5e5e66bd4db86849e7515e92340a707"
@@ -4031,7 +4081,7 @@ safe-buffer@^5.0.1, safe-buffer@^5.2.1:
  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==

-"safer-buffer@>= 2.1.2 < 3.0.0":
+"safer-buffer@>= 2.1.2 < 3.0.0", safer-buffer@^2.1.0:
  version "2.1.2"
  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
@@ -4503,6 +4553,17 @@ walker@^1.0.8:
  dependencies:
    makeerror "1.0.12"

+web-push@^3.6.7:
+  version "3.6.7"
+  resolved "https://registry.yarnpkg.com/web-push/-/web-push-3.6.7.tgz#5f5e645951153e37ef90a6ddea5c150ea0f709e1"
+  integrity sha512-OpiIUe8cuGjrj3mMBFWY+e4MMIkW3SVT+7vEIjvD9kejGUypv8GPDf84JdPWskK8zMRIJ6xYGm+Kxr8YkPyA0A==
+  dependencies:
+    asn1.js "^5.3.0"
+    http_ece "1.2.0"
+    https-proxy-agent "^7.0.0"
+    jws "^4.0.0"
+    minimist "^1.2.5"
+
 whatwg-encoding@^3.1.1:
  version "3.1.1"
  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-3.1.1.tgz#d0f4ef769905d426e1688f3e34381a99b60b76e5"