miguel
bc5ddb29c7
- Introduced TipoEvento entity with enum for event types. - Created DTOs for creating and updating TipoEvento. - Implemented TipoEvento service with methods for CRUD operations and seeding initial data. - Added TipoEvento controller for handling HTTP requests related to event types. - Integrated TipoEvento into the main application module. - Updated Evento entity to include a relationship with TipoEvento. - Enhanced ParticipanteEvento service to register attendance using QR tokens. - Implemented QR token generation and validation for event attendance. - Updated API documentation for new endpoints and functionalities. - Adjusted TypeOrm configuration to include new entities.
90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import { JwtService } from '@nestjs/jwt';
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import { ConfigService } from '@nestjs/config';
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@Injectable()
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export class QrTokenService {
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constructor(
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private jwtService: JwtService,
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private configService: ConfigService,
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) {}
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/**
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* Genera un token JWT específico para el QR de asistencia
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* @param id_participante ID del participante
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* @param id_evento ID del evento
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* @param id_cuestionario ID del cuestionario
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* @returns Token JWT codificado
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*/
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generateQrToken(
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id_participante: number,
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id_evento: number,
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id_cuestionario: number,
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): string {
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const payload = {
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id_participante,
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id_evento,
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id_cuestionario,
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type: 'qr_asistencia',
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iat: Math.floor(Date.now() / 1000),
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};
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// Usar una clave secreta específica para QR o la misma que JWT general
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const secret =
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this.configService.get<string>('QR_JWT_SECRET') ||
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this.configService.get<string>('JWT_SECRET', 'tu_clave_secreta');
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return this.jwtService.sign(payload, {
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secret,
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expiresIn: '30d', // El QR puede ser válido por 30 días
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});
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}
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/**
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* Valida y decodifica un token de QR
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* @param token Token JWT a validar
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* @returns Datos decodificados del token o null si es inválido
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*/
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validateQrToken(token: string): {
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id_participante: number;
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id_evento: number;
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id_cuestionario: number;
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type: string;
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iat: number;
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} | null {
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try {
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const secret =
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this.configService.get<string>('QR_JWT_SECRET') ||
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this.configService.get<string>('JWT_SECRET', 'tu_clave_secreta');
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const decoded = this.jwtService.verify(token, { secret });
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// Verificar que sea un token de tipo QR de asistencia
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if (decoded.type !== 'qr_asistencia') {
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return null;
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}
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return {
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id_participante: decoded.id_participante,
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id_evento: decoded.id_evento,
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id_cuestionario: decoded.id_cuestionario,
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type: decoded.type,
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iat: decoded.iat,
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};
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} catch (error) {
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console.error('Error validando token QR:', error.message);
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return null;
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}
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}
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/**
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* Verifica si un token QR es válido y no ha expirado
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* @param token Token a verificar
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* @returns true si es válido, false si no
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*/
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isTokenValid(token: string): boolean {
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const decoded = this.validateQrToken(token);
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return decoded !== null;
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}
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}
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