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

"use strict";
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    return function (target, key) { decorator(target, key, paramIndex); }
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Object.defineProperty(exports, "__esModule", { value: true });
exports.NotificationsService = void 0;
const common_1 = require("@nestjs/common");
const typeorm_1 = require("@nestjs/typeorm");
const typeorm_2 = require("typeorm");
const entities_1 = require("../entities");
let NotificationsService = class NotificationsService {
    constructor(notificationRepository, templateRepository, preferenceRepository) {
        this.notificationRepository = notificationRepository;
        this.templateRepository = templateRepository;
        this.preferenceRepository = preferenceRepository;
    }
    async create(dto, tenantId) {
        const notification = this.notificationRepository.create({
            user_id: dto.userId,
            tenant_id: tenantId,
            type: dto.type || 'info',
            channel: dto.channel || 'in_app',
            title: dto.title,
            message: dto.message,
            data: dto.data || null,
            action_url: dto.actionUrl || null,
            delivery_status: 'pending',
        });
        const saved = await this.notificationRepository.save(notification);
        if (saved.channel === 'in_app') {
            saved.delivery_status = 'delivered';
            saved.sent_at = new Date();
            await this.notificationRepository.save(saved);
        }
        return saved;
    }
    async sendFromTemplate(dto, tenantId) {
        const template = await this.templateRepository.findOne({
            where: { code: dto.templateCode, is_active: true },
        });
        if (!template) {
            throw new common_1.NotFoundException(`Template '${dto.templateCode}' no encontrado`);
        }
        let message = template.body;
        let subject = template.subject || '';
        if (dto.variables) {
            for (const [key, value] of Object.entries(dto.variables)) {
                const regex = new RegExp(`{{${key}}}`, 'g');
                message = message.replace(regex, String(value));
                subject = subject.replace(regex, String(value));
            }
        }
        return this.create({
            userId: dto.userId,
            channel: template.channel,
            title: subject || template.name,
            message,
            data: { templateCode: dto.templateCode, variables: dto.variables },
        }, tenantId);
    }
    async findAllForUser(userId, tenantId, options = {}) {
        const { page = 1, limit = 20, unreadOnly = false } = options;
        const whereCondition = {
            user_id: userId,
            tenant_id: tenantId,
            channel: 'in_app',
        };
        if (unreadOnly) {
            whereCondition.is_read = false;
        }
        const [data, total] = await this.notificationRepository.findAndCount({
            where: whereCondition,
            order: { created_at: 'DESC' },
            skip: (page - 1) * limit,
            take: limit,
        });
        const unread = await this.notificationRepository.count({
            where: {
                user_id: userId,
                tenant_id: tenantId,
                channel: 'in_app',
                is_read: false,
            },
        });
        return { data, total, unread };
    }
    async markAsRead(notificationId, userId, tenantId) {
        const notification = await this.notificationRepository.findOne({
            where: { id: notificationId, user_id: userId, tenant_id: tenantId },
        });
        if (!notification) {
            throw new common_1.NotFoundException('Notificación no encontrada');
        }
        notification.is_read = true;
        notification.read_at = new Date();
        return this.notificationRepository.save(notification);
    }
    async markAllAsRead(userId, tenantId) {
        const result = await this.notificationRepository.update({
            user_id: userId,
            tenant_id: tenantId,
            is_read: false,
        }, {
            is_read: true,
            read_at: new Date(),
        });
        return result.affected || 0;
    }
    async delete(notificationId, userId, tenantId) {
        const result = await this.notificationRepository.delete({
            id: notificationId,
            user_id: userId,
            tenant_id: tenantId,
        });
        if (result.affected === 0) {
            throw new common_1.NotFoundException('Notificación no encontrada');
        }
    }
    async getUnreadCount(userId, tenantId) {
        return this.notificationRepository.count({
            where: {
                user_id: userId,
                tenant_id: tenantId,
                channel: 'in_app',
                is_read: false,
            },
        });
    }
    async findAllTemplates() {
        return this.templateRepository.find({
            where: { is_active: true },
            order: { category: 'ASC', code: 'ASC' },
        });
    }
    async findTemplateByCode(code) {
        const template = await this.templateRepository.findOne({
            where: { code, is_active: true },
        });
        if (!template) {
            throw new common_1.NotFoundException(`Template '${code}' no encontrado`);
        }
        return template;
    }
    async getPreferences(userId, tenantId) {
        let preferences = await this.preferenceRepository.findOne({
            where: { user_id: userId, tenant_id: tenantId },
        });
        if (!preferences) {
            preferences = this.preferenceRepository.create({
                user_id: userId,
                tenant_id: tenantId,
                email_enabled: true,
                push_enabled: true,
                in_app_enabled: true,
                sms_enabled: false,
                marketing_emails: true,
                product_updates: true,
                security_alerts: true,
            });
            await this.preferenceRepository.save(preferences);
        }
        return preferences;
    }
    async updatePreferences(userId, tenantId, dto) {
        let preferences = await this.getPreferences(userId, tenantId);
        if (dto.emailEnabled !== undefined)
            preferences.email_enabled = dto.emailEnabled;
        if (dto.pushEnabled !== undefined)
            preferences.push_enabled = dto.pushEnabled;
        if (dto.inAppEnabled !== undefined)
            preferences.in_app_enabled = dto.inAppEnabled;
        if (dto.smsEnabled !== undefined)
            preferences.sms_enabled = dto.smsEnabled;
        if (dto.marketingEmails !== undefined)
            preferences.marketing_emails = dto.marketingEmails;
        if (dto.productUpdates !== undefined)
            preferences.product_updates = dto.productUpdates;
        if (dto.securityAlerts !== undefined)
            preferences.security_alerts = dto.securityAlerts;
        if (dto.categoryPreferences !== undefined) {
            preferences.category_preferences = dto.categoryPreferences;
        }
        return this.preferenceRepository.save(preferences);
    }
    async cleanupOldNotifications(daysToKeep = 30) {
        const cutoffDate = new Date();
        cutoffDate.setDate(cutoffDate.getDate() - daysToKeep);
        const result = await this.notificationRepository.delete({
            created_at: (0, typeorm_2.LessThan)(cutoffDate),
            is_read: true,
        });
        return result.affected || 0;
    }
};
exports.NotificationsService = NotificationsService;
exports.NotificationsService = NotificationsService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, typeorm_1.InjectRepository)(entities_1.Notification)),
    __param(1, (0, typeorm_1.InjectRepository)(entities_1.NotificationTemplate)),
    __param(2, (0, typeorm_1.InjectRepository)(entities_1.UserNotificationPreference)),
    __metadata("design:paramtypes", [typeorm_2.Repository,
        typeorm_2.Repository,
        typeorm_2.Repository])
], NotificationsService);
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