template-saas/apps/backend/dist/modules/notifications/services/push-notification.service.js

"use strict";
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var PushNotificationService_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PushNotificationService = void 0;
const common_1 = require("@nestjs/common");
const config_1 = require("@nestjs/config");
const typeorm_1 = require("@nestjs/typeorm");
const typeorm_2 = require("typeorm");
const webpush = __importStar(require("web-push"));
const entities_1 = require("../entities");
let PushNotificationService = PushNotificationService_1 = class PushNotificationService {
    constructor(configService, deviceRepository, logRepository) {
        this.configService = configService;
        this.deviceRepository = deviceRepository;
        this.logRepository = logRepository;
        this.logger = new common_1.Logger(PushNotificationService_1.name);
        this.isConfigured = false;
    }
    onModuleInit() {
        const vapidPublicKey = this.configService.get('VAPID_PUBLIC_KEY');
        const vapidPrivateKey = this.configService.get('VAPID_PRIVATE_KEY');
        const vapidSubject = this.configService.get('VAPID_SUBJECT', 'mailto:admin@example.com');
        if (vapidPublicKey && vapidPrivateKey) {
            try {
                webpush.setVapidDetails(vapidSubject, vapidPublicKey, vapidPrivateKey);
                this.isConfigured = true;
                this.logger.log('Web Push configured with VAPID keys');
            }
            catch (error) {
                this.logger.error(`Failed to configure Web Push: ${error.message}`);
            }
        }
        else {
            this.logger.warn('VAPID keys not configured. Push notifications will be disabled.');
        }
    }
    isEnabled() {
        return this.isConfigured;
    }
    getVapidPublicKey() {
        if (!this.isConfigured) {
            return null;
        }
        return this.configService.get('VAPID_PUBLIC_KEY') || null;
    }
    async sendToUser(userId, tenantId, payload, notificationId) {
        if (!this.isConfigured) {
            this.logger.warn('Push notifications not configured, skipping send');
            return [];
        }
        const devices = await this.deviceRepository.find({
            where: { user_id: userId, tenant_id: tenantId, is_active: true },
        });
        if (devices.length === 0) {
            this.logger.debug(`No active devices found for user ${userId}`);
            return [];
        }
        const results = [];
        const pushPayload = JSON.stringify({
            title: payload.title,
            body: payload.body,
            icon: payload.icon || '/icon-192.png',
            badge: payload.badge || '/badge-72.png',
            url: payload.url || '/',
            data: payload.data,
            actions: payload.actions || [
                { action: 'view', title: 'Ver' },
                { action: 'dismiss', title: 'Descartar' },
            ],
        });
        for (const device of devices) {
            const result = await this.sendToDevice(device, pushPayload, notificationId);
            results.push(result);
        }
        const successCount = results.filter((r) => r.success).length;
        this.logger.log(`Push sent to user ${userId}: ${successCount}/${results.length} successful`);
        return results;
    }
    async sendToDevice(device, payload, notificationId) {
        try {
            const subscription = JSON.parse(device.device_token);
            await webpush.sendNotification(subscription, payload);
            device.last_used_at = new Date();
            await this.deviceRepository.save(device);
            if (notificationId) {
                await this.logRepository.save({
                    notification_id: notificationId,
                    channel: 'push',
                    status: 'sent',
                    provider: 'web-push',
                    device_id: device.id,
                    delivered_at: new Date(),
                });
            }
            return {
                deviceId: device.id,
                success: true,
            };
        }
        catch (error) {
            const statusCode = error.statusCode;
            if (statusCode === 410 || statusCode === 404) {
                this.logger.warn(`Device ${device.id} subscription expired (${statusCode}), marking inactive`);
                device.is_active = false;
                await this.deviceRepository.save(device);
            }
            if (notificationId) {
                await this.logRepository.save({
                    notification_id: notificationId,
                    channel: 'push',
                    status: 'failed',
                    provider: 'web-push',
                    device_id: device.id,
                    error_code: statusCode?.toString(),
                    error_message: error.message,
                });
            }
            return {
                deviceId: device.id,
                success: false,
                error: error.message,
                statusCode,
            };
        }
    }
    async sendBroadcast(tenantId, payload) {
        if (!this.isConfigured) {
            this.logger.warn('Push notifications not configured, skipping broadcast');
            return { total: 0, successful: 0, failed: 0 };
        }
        const devices = await this.deviceRepository.find({
            where: { tenant_id: tenantId, is_active: true },
        });
        const pushPayload = JSON.stringify({
            title: payload.title,
            body: payload.body,
            icon: payload.icon || '/icon-192.png',
            badge: payload.badge || '/badge-72.png',
            url: payload.url || '/',
            data: payload.data,
        });
        let successful = 0;
        let failed = 0;
        for (const device of devices) {
            const result = await this.sendToDevice(device, pushPayload);
            if (result.success) {
                successful++;
            }
            else {
                failed++;
            }
        }
        this.logger.log(`Broadcast to tenant ${tenantId}: ${successful}/${devices.length} successful`);
        return {
            total: devices.length,
            successful,
            failed,
        };
    }
    validateSubscription(subscriptionJson) {
        try {
            const subscription = JSON.parse(subscriptionJson);
            if (!subscription.endpoint) {
                return false;
            }
            if (!subscription.keys?.p256dh || !subscription.keys?.auth) {
                return false;
            }
            return true;
        }
        catch {
            return false;
        }
    }
};
exports.PushNotificationService = PushNotificationService;
exports.PushNotificationService = PushNotificationService = PushNotificationService_1 = __decorate([
    (0, common_1.Injectable)(),
    __param(1, (0, typeorm_1.InjectRepository)(entities_1.UserDevice)),
    __param(2, (0, typeorm_1.InjectRepository)(entities_1.NotificationLog)),
    __metadata("design:paramtypes", [config_1.ConfigService,
        typeorm_2.Repository,
        typeorm_2.Repository])
], PushNotificationService);
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