Closer/functions/dist/notifications/sendGentleReminderCallable.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.sendGentleReminderCallable = void 0;
const functions = __importStar(require("firebase-functions"));
const admin = __importStar(require("firebase-admin"));
/**
 * Sends a gentle nudge from one partner to the other when the caller has
 * already answered today's question but the partner hasn't.
 *
 * Rate limit: one reminder per couple per calendar day (UTC). The lock is
 * stored in couples/{coupleId}/gentle_reminders/{date} so it survives
 * function restarts and is visible to both partners.
 *
 * The notification is both an FCM push (for the system tray) and an entry in
 * the partner's notification_queue (for in-app display).
 */
exports.sendGentleReminderCallable = functions.https.onCall(async (_data, context) => {
    var _a, _b, _c, _d, _e;
    const callerId = (_a = context.auth) === null || _a === void 0 ? void 0 : _a.uid;
    if (!callerId) {
        throw new functions.https.HttpsError('unauthenticated', 'Must be signed in.');
    }
    const db = admin.firestore();
    // ── 1. Resolve couple + partner ──────────────────────────────────────────
    const userDoc = await db.collection('users').doc(callerId).get();
    const coupleId = (_b = userDoc.data()) === null || _b === void 0 ? void 0 : _b.coupleId;
    if (!coupleId) {
        throw new functions.https.HttpsError('failed-precondition', 'Not in a couple.');
    }
    const coupleDoc = await db.collection('couples').doc(coupleId).get();
    if (!coupleDoc.exists) {
        throw new functions.https.HttpsError('not-found', 'Couple not found.');
    }
    const userIds = ((_d = (_c = coupleDoc.data()) === null || _c === void 0 ? void 0 : _c.userIds) !== null && _d !== void 0 ? _d : []);
    const partnerId = userIds.find((id) => id !== callerId);
    if (!partnerId) {
        throw new functions.https.HttpsError('failed-precondition', 'No partner found.');
    }
    // ── 2. Rate limit: one per couple per day ────────────────────────────────
    const today = new Date().toISOString().slice(0, 10); // e.g. "2026-06-19"
    const lockRef = db
        .collection('couples')
        .doc(coupleId)
        .collection('gentle_reminders')
        .doc(today);
    const existingLock = await lockRef.get();
    if (existingLock.exists) {
        return { sent: false, reason: 'already_sent_today' };
    }
    // ── 3. Collect partner FCM tokens ────────────────────────────────────────
    const tokens = [];
    const partnerDoc = await db.collection('users').doc(partnerId).get();
    if (partnerDoc.exists) {
        const legacyToken = (_e = partnerDoc.data()) === null || _e === void 0 ? void 0 : _e.fcmToken;
        if (typeof legacyToken === 'string' && legacyToken.length > 0) {
            tokens.push(legacyToken);
        }
    }
    const tokenSnap = await db
        .collection('users')
        .doc(partnerId)
        .collection('fcmTokens')
        .get();
    tokenSnap.docs.forEach((doc) => {
        var _a;
        const t = (_a = doc.data()) === null || _a === void 0 ? void 0 : _a.token;
        if (typeof t === 'string' && t.length > 0 && !tokens.includes(t)) {
            tokens.push(t);
        }
    });
    // ── 4. Write in-app notification record ──────────────────────────────────
    await db
        .collection('users')
        .doc(partnerId)
        .collection('notification_queue')
        .add({
        type: 'gentle_reminder',
        title: 'Your partner is thinking about you.',
        body: "They left tonight's question open. Answer when you're ready.",
        read: false,
        sent: false,
        createdAt: admin.firestore.FieldValue.serverTimestamp(),
    });
    // ── 5. Claim the daily rate-limit lock ───────────────────────────────────
    await lockRef.set({
        sentBy: callerId,
        sentAt: admin.firestore.FieldValue.serverTimestamp(),
    });
    // ── 6. Send FCM push ─────────────────────────────────────────────────────
    if (tokens.length > 0) {
        const sendResults = await Promise.allSettled(tokens.map((token) => admin.messaging().send({
            token,
            notification: {
                title: 'Your partner is thinking about you.',
                body: "They left tonight's question open. Answer when you're ready.",
            },
            data: {
                type: 'gentle_reminder',
                couple_id: coupleId,
            },
        })));
        sendResults.forEach((result, i) => {
            if (result.status === 'rejected') {
                console.warn(`[sendGentleReminderCallable] FCM failed for token ${tokens[i]}:`, result.reason);
            }
        });
    }
    console.log(`[sendGentleReminderCallable] reminder sent from ${callerId} to ${partnerId} in couple ${coupleId}`);
    return { sent: true };
});
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