Closer/functions/dist/billing/onEntitlementChanged.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.onEntitlementChanged = void 0;
const functions = __importStar(require("firebase-functions"));
const admin = __importStar(require("firebase-admin"));
/**
 * Notifies the OTHER partner when a user GAINS premium, so couple-shared premium unlock isn't silent
 * for the non-subscriber. (Future.md: `subscription_entitlement_changed`.)
 *
 * Path: users/{userId}/entitlements/premium  (onWrite)
 * Edge-triggered: fires only on the inactive→active transition, so renewals / repeated writes don't
 * re-notify. Skips if the partner already had premium (the couple was already unlocked).
 */
function isActive(data) {
    if (!data)
        return false;
    if (data.premium !== true)
        return false;
    const expiresAt = data.expiresAt;
    if (expiresAt && expiresAt.toMillis() <= Date.now())
        return false;
    return true;
}
async function collectTokens(db, userId) {
    var _a;
    const tokens = [];
    const userDoc = await db.collection('users').doc(userId).get();
    const legacy = (_a = userDoc.data()) === null || _a === void 0 ? void 0 : _a.fcmToken;
    if (typeof legacy === 'string' && legacy.length > 0)
        tokens.push(legacy);
    const tokSnap = await db.collection('users').doc(userId).collection('fcmTokens').get();
    tokSnap.docs.forEach((d) => {
        var _a;
        const t = (_a = d.data()) === null || _a === void 0 ? void 0 : _a.token;
        if (typeof t === 'string' && t.length > 0 && !tokens.includes(t))
            tokens.push(t);
    });
    return tokens;
}
exports.onEntitlementChanged = functions.firestore
    .document('users/{userId}/entitlements/premium')
    .onWrite(async (change, context) => {
    var _a, _b;
    const { userId } = context.params;
    const before = isActive(change.before.data());
    const after = isActive(change.after.data());
    if (before || !after)
        return; // only a genuine inactive→active gain
    const db = admin.firestore();
    const messaging = admin.messaging();
    // Resolve this user's couple + partner.
    const coupleSnap = await db
        .collection('couples')
        .where('userIds', 'array-contains', userId)
        .limit(1)
        .get();
    if (coupleSnap.empty) {
        console.log(`[onEntitlementChanged] no couple for ${userId}`);
        return;
    }
    const coupleDoc = coupleSnap.docs[0];
    const coupleId = coupleDoc.id;
    const userIds = ((_b = (_a = coupleDoc.data()) === null || _a === void 0 ? void 0 : _a.userIds) !== null && _b !== void 0 ? _b : []);
    const partnerId = userIds.find((id) => id !== userId);
    if (!partnerId) {
        console.log(`[onEntitlementChanged] no partner for ${userId} in ${coupleId}`);
        return;
    }
    // If the partner already has premium the couple was already unlocked — nothing new to announce.
    const partnerEnt = await db.doc(`users/${partnerId}/entitlements/premium`).get();
    if (isActive(partnerEnt.data())) {
        console.log(`[onEntitlementChanged] partner ${partnerId} already premium; skip`);
        return;
    }
    // displayName is E2EE in users/{uid}, so use a generic label (this copy is stored server-side in
    // notification_queue + the push, neither of which can decrypt).
    const payload = {
        type: 'subscription_entitlement_changed',
        title: 'Premium unlocked ✨',
        body: 'Your partner upgraded — you both have Premium now.',
    };
    // In-app record for the partner.
    await db
        .collection('users')
        .doc(partnerId)
        .collection('notification_queue')
        .add(Object.assign(Object.assign({}, payload), { read: false, createdAt: admin.firestore.FieldValue.serverTimestamp() }));
    const tokens = await collectTokens(db, partnerId);
    if (tokens.length === 0) {
        console.log(`[onEntitlementChanged] no FCM tokens for ${partnerId}`);
        return;
    }
    const message = {
        token: tokens[0],
        notification: { title: payload.title, body: payload.body },
        android: { notification: { channelId: 'partner_activity' } },
        data: { type: payload.type, couple_id: coupleId },
    };
    const results = await Promise.allSettled(tokens.map((token) => messaging.send(Object.assign(Object.assign({}, message), { token }))));
    results.forEach((r, i) => {
        if (r.status === 'rejected') {
            console.warn(`[onEntitlementChanged] send failed ${tokens[i]}: ${String(r.reason)}`);
        }
    });
    console.log(`[onEntitlementChanged] notified ${partnerId} of couple premium (${coupleId})`);
});
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