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Injectable,
Logger,
NotFoundException,
ConflictException,
} from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { UserDevice } from '../entities';
import { RegisterDeviceDto, UpdateDeviceDto } from '../dto';
@Injectable()
export class DevicesService {
private readonly logger = new Logger(DevicesService.name);
constructor(
@InjectRepository(UserDevice)
private readonly deviceRepository: Repository<UserDevice>,
) {}
async findByUser(userId: string, tenantId: string): Promise<UserDevice[]> {
return this.deviceRepository.find({
where: { user_id: userId, tenant_id: tenantId },
order: { last_used_at: 'DESC' },
});
}
async findActiveByUser(userId: string, tenantId: string): Promise<UserDevice[]> {
return this.deviceRepository.find({
where: { user_id: userId, tenant_id: tenantId, is_active: true },
order: { last_used_at: 'DESC' },
});
}
async findById(
deviceId: string,
userId: string,
tenantId: string,
): Promise<UserDevice> {
const device = await this.deviceRepository.findOne({
where: { id: deviceId, user_id: userId, tenant_id: tenantId },
});
if (!device) {
throw new NotFoundException('Dispositivo no encontrado');
}
return device;
}
async register(
userId: string,
tenantId: string,
dto: RegisterDeviceDto,
): Promise<UserDevice> {
// Check if device already exists
const existing = await this.deviceRepository.findOne({
where: {
user_id: userId,
device_token: dto.deviceToken,
},
});
if (existing) {
// Update existing device
existing.is_active = true;
existing.last_used_at = new Date();
existing.device_name = dto.deviceName || existing.device_name;
existing.browser = dto.browser || existing.browser;
existing.browser_version = dto.browserVersion || existing.browser_version;
existing.os = dto.os || existing.os;
existing.os_version = dto.osVersion || existing.os_version;
this.logger.log(`Device ${existing.id} reactivated for user ${userId}`);
return this.deviceRepository.save(existing);
}
// Create new device
const device = this.deviceRepository.create({
user_id: userId,
tenant_id: tenantId,
device_token: dto.deviceToken,
device_type: dto.deviceType || 'web',
device_name: dto.deviceName,
browser: dto.browser,
browser_version: dto.browserVersion,
os: dto.os,
os_version: dto.osVersion,
is_active: true,
last_used_at: new Date(),
});
const saved = await this.deviceRepository.save(device);
this.logger.log(`Device ${saved.id} registered for user ${userId}`);
return saved;
}
async update(
deviceId: string,
userId: string,
tenantId: string,
dto: UpdateDeviceDto,
): Promise<UserDevice> {
const device = await this.findById(deviceId, userId, tenantId);
Iif (dto.deviceName !== undefined) {
device.device_name = dto.deviceName;
}
Iif (dto.isActive !== undefined) {
device.is_active = dto.isActive;
}
return this.deviceRepository.save(device);
}
async unregister(
deviceId: string,
userId: string,
tenantId: string,
): Promise<void> {
const device = await this.findById(deviceId, userId, tenantId);
// Soft delete - mark as inactive
device.is_active = false;
await this.deviceRepository.save(device);
this.logger.log(`Device ${deviceId} unregistered for user ${userId}`);
}
async delete(
deviceId: string,
userId: string,
tenantId: string,
): Promise<void> {
const result = await this.deviceRepository.delete({
id: deviceId,
user_id: userId,
tenant_id: tenantId,
});
if (result.affected === 0) {
throw new NotFoundException('Dispositivo no encontrado');
}
this.logger.log(`Device ${deviceId} deleted for user ${userId}`);
}
async markAsUsed(deviceId: string): Promise<void> {
await this.deviceRepository.update(deviceId, {
last_used_at: new Date(),
});
}
async markAsInactive(deviceId: string): Promise<void> {
await this.deviceRepository.update(deviceId, {
is_active: false,
});
this.logger.warn(`Device ${deviceId} marked as inactive (subscription expired)`);
}
async countActiveDevices(userId: string, tenantId: string): Promise<number> {
return this.deviceRepository.count({
where: { user_id: userId, tenant_id: tenantId, is_active: true },
});
}
async cleanupInactiveDevices(daysInactive: number = 90): Promise<number> {
const cutoffDate = new Date();
cutoffDate.setDate(cutoffDate.getDate() - daysInactive);
const result = await this.deviceRepository
.createQueryBuilder()
.delete()
.where('is_active = :inactive', { inactive: false })
.andWhere('last_used_at < :cutoff', { cutoff: cutoffDate })
.execute();
Iif (result.affected && result.affected > 0) {
this.logger.log(`Cleaned up ${result.affected} inactive devices`);
}
return result.affected || 0;
}
}
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