Initial commit - Event Planner application

src/admin/admin.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+import { ModuleRegistryService } from '../core/services/module-registry.service';
+
+@Controller('admin')
+export class AdminController {
+  constructor(private readonly moduleRegistry: ModuleRegistryService) {}
+
+  @Get('modules')
+  getModules() {
+    return this.moduleRegistry.getModules();
+  }
+}

src/admin/admin.module.ts

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+import { Module } from '@nestjs/common';
+import { MikroOrmModule } from '@mikro-orm/nestjs';
+import { CoreModule } from '../core/core.module';
+import { AdminController } from './admin.controller';
+import { ModuleRegistryService } from '../core/services/module-registry.service';
+
+@Module({
+  imports: [CoreModule, MikroOrmModule.forFeature([])],
+  controllers: [AdminController],
+  providers: [ModuleRegistryService],
+  exports: [ModuleRegistryService],
+})
+export class AdminModule {}

src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { ServeStaticModule } from '@nestjs/serve-static';
+import { join } from 'path';
+import { CoreModule } from './core/core.module';
+import { GiftModule } from './gift/gift.module';
+import { GuestModule } from './guest/guest.module';
+import { TodoModule } from './todo/todo.module';
+import { AdminModule } from './admin/admin.module';
+
+@Module({
+  imports: [
+    ServeStaticModule.forRoot({
+      rootPath: join(__dirname, '..', 'public'),
+      serveRoot: '/admin',
+    }),
+    CoreModule,
+    GiftModule,
+    GuestModule,
+    TodoModule,
+    AdminModule,
+  ],
+})
+export class AppModule {}

src/core/api/auth.controller.ts

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+import { Controller, Post, Body } from '@nestjs/common';
+import { TokenService } from '../services/token.service';
+
+@Controller('auth')
+export class AuthController {
+  constructor(private readonly tokenService: TokenService) {}
+
+  @Post('token')
+  createToken(@Body() body: { name?: string; expiresInHours?: number }) {
+    return this.tokenService.createToken(body.name, body.expiresInHours);
+  }
+}

src/core/auth.guard.ts

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+import { CanActivate, ExecutionContext, Injectable, UnauthorizedException } from '@nestjs/common';
+import { AuthService } from './services/auth.service';
+
+@Injectable()
+export class AuthGuard implements CanActivate {
+  constructor(private readonly authService: AuthService) {}
+
+  canActivate(context: ExecutionContext): boolean {
+    const request = context.switchToHttp().getRequest();
+    const authHeader = request.headers['authorization'] || '';
+    const token = Array.isArray(authHeader) ? authHeader[0] : authHeader;
+    if (!token) {
+      throw new UnauthorizedException();
+    }
+
+    const payload = this.authService.verify(token.replace(/^Bearer\s+/i, ''));
+    if (!payload) {
+      throw new UnauthorizedException();
+    }
+
+    request.user = payload;
+    return true;
+  }
+}

src/core/auth.module.ts

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+import { Module } from '@nestjs/common';
+import { AuthService } from './services/auth.service';
+import { TokenService } from './services/token.service';
+import { AuthGuard } from './auth.guard';
+
+@Module({
+  providers: [AuthService, TokenService, AuthGuard],
+  exports: [AuthService, TokenService, AuthGuard],
+})
+export class AuthModule {}

src/core/core.module.ts

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+import { Module } from '@nestjs/common';
+import { EventEmitterModule } from '@nestjs/event-emitter';
+import { MikroOrmModule } from '@mikro-orm/nestjs';
+import { AuthModule } from './auth.module';
+import { ModuleLinkerService } from './services/module-linker.service';
+import { NotificationService } from './services/notification.service';
+import { NotificationRuleService } from './services/notification-rule.service';
+import { ModuleRegistryService } from './services/module-registry.service';
+import { AuthController } from './api/auth.controller';
+import { NotificationRuleSchema } from './entities/notification-rule.entity';
+
+@Module({
+  imports: [
+    EventEmitterModule.forRoot(),
+    MikroOrmModule.forRoot({
+      driver: (require('@mikro-orm/postgresql').PostgreSqlDriver) as any,
+      host: process.env.DB_HOST || 'localhost',
+      port: Number(process.env.DB_PORT) || 5432,
+      user: process.env.DB_USER || 'postgres',
+      password: process.env.DB_PASSWORD || 'postgres',
+      dbName: process.env.DB_NAME || 'planner',
+      autoLoadEntities: false,
+      migrations: {
+        path: 'dist/migrations',
+        transactional: true,
+        emit: 'js',
+      },
+    }),
+    AuthModule,
+    MikroOrmModule.forFeature([NotificationRuleSchema]),
+  ],
+  providers: [
+    ModuleLinkerService,
+    NotificationService,
+    NotificationRuleService,
+    ModuleRegistryService,
+  ],
+  controllers: [AuthController],
+  exports: [
+    EventEmitterModule,
+    AuthModule,
+    ModuleLinkerService,
+    NotificationService,
+    NotificationRuleService,
+    ModuleRegistryService,
+  ],
+})
+export class CoreModule {}

src/core/database.module.ts

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+import { Module } from '@nestjs/common';
+import { MikroOrmModule } from '@mikro-orm/nestjs';
+import { PostgreSqlDriver } from '@mikro-orm/postgresql';
+
+@Module({
+  imports: [
+    MikroOrmModule.forRoot({
+      driver: PostgreSqlDriver as any,
+      host: process.env.DB_HOST || 'localhost',
+      port: Number(process.env.DB_PORT) || 5432,
+      user: process.env.DB_USER || 'postgres',
+      password: process.env.DB_PASSWORD || 'postgres',
+      dbName: process.env.DB_NAME || 'planner',
+      autoLoadEntities: true,
+      entities: ['./dist/**/*.entity.js'],
+      entitiesTs: ['./src/**/*.entity.ts'],
+      migrations: {
+        path: 'dist/migrations',
+        transactional: true,
+        emit: 'js',
+      },
+    }),
+  ],
+  exports: [MikroOrmModule],
+})
+export class DatabaseModule {}

src/core/entities/base.entity.ts

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+import { v4 as uuidv4 } from 'uuid';
+
+export abstract class BaseEntity {
+  id: string = uuidv4();
+  tenantId!: string;
+  metadata?: Record<string, any>;
+  createdAt: Date = new Date();
+  updatedAt: Date = new Date();
+}

src/core/entities/notification-rule.entity.ts

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+import { EntitySchema } from '@mikro-orm/core';
+import { BaseEntity } from './base.entity';
+
+export class NotificationRule extends BaseEntity {
+  module!: string; // e.g. 'guest', 'gift', 'todo'
+
+  event!: string; // e.g. 'guest.invited', 'todo.completed'
+
+  channels!: Array<'email' | 'whatsapp' | 'sms' | 'custom'>;
+
+  conditions?: Record<string, any>;
+}
+
+export const NotificationRuleSchema = new EntitySchema<NotificationRule>({
+  class: NotificationRule,
+  tableName: 'notification_rules',
+  properties: {
+    id: { primary: true, type: 'uuid', defaultRaw: 'uuid_generate_v4()' },
+    tenantId: { type: 'string' },
+    metadata: { type: 'json', nullable: true },
+    createdAt: { type: 'date', defaultRaw: 'now()' },
+    updatedAt: { type: 'date', defaultRaw: 'now()' },
+
+    module: { type: 'string' },
+    event: { type: 'string' },
+    channels: { type: 'json' },
+    conditions: { type: 'json', nullable: true },
+  },
+});

src/core/entities/token.entity.ts

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+import { EntitySchema } from '@mikro-orm/core';
+
+export class AuthToken {
+  id!: string;
+  tenantId!: string;
+  token!: string;
+  name?: string;
+  expiresAt?: Date;
+  metadata?: Record<string, any>;
+  createdAt!: Date;
+  updatedAt!: Date;
+}
+
+export const AuthTokenSchema = new EntitySchema<AuthToken>({
+  class: AuthToken,
+  tableName: 'auth_tokens',
+  properties: {
+    id: {
+      primary: true,
+      type: 'uuid',
+      default: 'uuid_generate_v4()',
+    },
+    tenantId: {
+      type: 'string',
+      nullable: false,
+    },
+    token: {
+      type: 'string',
+      nullable: false,
+    },
+    name: {
+      type: 'string',
+      nullable: true,
+    },
+    expiresAt: {
+      type: 'date',
+      nullable: true,
+    },
+    metadata: {
+      type: 'json',
+      nullable: true,
+    },
+    createdAt: {
+      type: 'date',
+      nullable: false,
+      defaultRaw: 'now()',
+    },
+    updatedAt: {
+      type: 'date',
+      nullable: false,
+      defaultRaw: 'now()',
+    },
+  },
+});

src/core/services/auth.service.ts

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+import { Injectable } from '@nestjs/common';
+import * as jwt from 'jsonwebtoken';
+
+@Injectable()
+export class AuthService {
+  private readonly jwtSecret: jwt.Secret = process.env.JWT_SECRET || 'default_secret';
+
+  sign(payload: Record<string, any>, expiresIn = '1d'): string {
+    return jwt.sign(payload, this.jwtSecret, { expiresIn } as jwt.SignOptions);
+  }
+
+  verify(token: string): Record<string, any> | null {
+    try {
+      const decoded = jwt.verify(token, this.jwtSecret) as jwt.JwtPayload | string;
+      return typeof decoded === 'string' ? { sub: decoded } : (decoded as Record<string, any>);
+    } catch {
+      return null;
+    }
+  }
+}

src/core/services/module-linker.service.ts

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+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ModuleLinkerService {
+  /**
+   * Hydrates data from multiple modules by IDs for frontend consumption.
+   * @param links Array of objects with moduleName and id
+   */
+  async hydrate(links: Array<{ moduleName: string; id: string }>): Promise<any[]> {
+    // Implement hydration logic here, e.g. fetch from APIs or repositories
+    // ...existing code...
+    return [];
+  }
+}

src/core/services/module-registry.service.ts

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+import { Injectable } from '@nestjs/common';
+
+export type AdminModuleInfo = {
+  key: string;
+  name: string;
+  description?: string;
+  routePrefix?: string;
+  version?: string;
+};
+
+@Injectable()
+export class ModuleRegistryService {
+  private modules: AdminModuleInfo[] = [];
+
+  registerModule(info: AdminModuleInfo) {
+    if (!this.modules.find((m) => m.key === info.key)) {
+      this.modules.push(info);
+    }
+  }
+
+  getModules(): AdminModuleInfo[] {
+    return [...this.modules];
+  }
+}

src/core/services/notification-provider.interface.ts

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+export interface NotificationProvider {
+  send(options: { to: string; subject: string; body: string; metadata?: any }): Promise<void>;
+}
+
+export type NotificationChannel = 'email' | 'whatsapp' | 'sms' | 'custom';

src/core/services/notification-rule.service.ts

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+import { Injectable } from '@nestjs/common';
+import { MikroORM } from '@mikro-orm/core';
+import { NotificationRule } from '../entities/notification-rule.entity';
+
+@Injectable()
+export class NotificationRuleService {
+  constructor(private readonly orm: MikroORM) {}
+
+  private get em() {
+    return this.orm.em.fork();
+  }
+
+  async getRulesForEvent(tenantId: string, module: string, event: string): Promise<NotificationRule[]> {
+    return this.em.find(NotificationRule, { tenantId, module, event });
+  }
+
+  async createRule(tenantId: string, rule: Partial<NotificationRule>): Promise<NotificationRule> {
+    const entity = this.em.create(NotificationRule, {
+      tenantId,
+      ...rule,
+    } as any);
+    this.em.persist(entity);
+    await this.em.flush();
+    return entity;
+  }
+}

src/core/services/notification.service.ts

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+import { Injectable } from '@nestjs/common';
+import { NotificationProvider, NotificationChannel } from './notification-provider.interface';
+import { EmailProvider } from './providers/email.provider';
+import { WhatsappProvider } from './providers/whatsapp.provider';
+
+@Injectable()
+export class NotificationService {
+  private providers: Record<NotificationChannel, NotificationProvider> = {} as any;
+
+  constructor() {
+    // Registramos proveedores por defecto (puede reemplazarse desde el código de inicialización)
+    this.registerProvider('email', new EmailProvider());
+    this.registerProvider('whatsapp', new WhatsappProvider());
+  }
+
+  registerProvider(channel: NotificationChannel, provider: NotificationProvider) {
+    this.providers[channel] = provider;
+  }
+
+  async send(
+    channel: NotificationChannel,
+    to: string,
+    subject: string,
+    body: string,
+    metadata?: any,
+  ) {
+    const provider = this.providers[channel];
+    if (!provider) {
+      throw new Error(`No provider registered for channel ${channel}`);
+    }
+    await provider.send({ to, subject, body, metadata });
+  }
+}

src/core/services/providers/email.provider.ts

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+import { NotificationProvider } from '../notification-provider.interface';
+
+export class EmailProvider implements NotificationProvider {
+  async send(options: { to: string; subject: string; body: string; metadata?: any }): Promise<void> {
+    // Implementación concreta que use un servicio como Resend, Mailgun o similar.
+    // ...existing code...
+    console.log('[EmailProvider] Sending email to', options.to);
+  }
+}

src/core/services/providers/whatsapp.provider.ts

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+import { NotificationProvider } from '../notification-provider.interface';
+
+export class WhatsappProvider implements NotificationProvider {
+  async send(options: { to: string; subject: string; body: string; metadata?: any }): Promise<void> {
+    // Implementación concreta que use un servicio de WhatsApp Business API o similar.
+    // ...existing code...
+    console.log('[WhatsappProvider] Sending message to', options.to);
+  }
+}

src/core/services/token.service.ts

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+import { Injectable } from '@nestjs/common';
+import { v4 as uuidv4 } from 'uuid';
+import { AuthToken } from '../entities/token.entity';
+
+@Injectable()
+export class TokenService {
+  // En una implementación real esto debería usar el repositorio de MikroORM.
+  private tokens: AuthToken[] = [];
+
+  createToken(name?: string, expiresInHours?: number): AuthToken {
+    const token = new AuthToken();
+    token.token = uuidv4();
+    token.name = name;
+    if (expiresInHours) {
+      token.expiresAt = new Date(Date.now() + expiresInHours * 60 * 60 * 1000);
+    }
+    this.tokens.push(token);
+    return token;
+  }
+
+  validate(tokenString: string): AuthToken | null {
+    const token = this.tokens.find((t) => t.token === tokenString);
+    if (!token) return null;
+    if (token.expiresAt && token.expiresAt < new Date()) return null;
+    return token;
+  }
+}

src/core/workflows/base-workflow.ts

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+import { Logger } from '@nestjs/common';
+
+export abstract class BaseWorkflow {
+  protected readonly logger = new Logger(this.constructor.name);
+
+  abstract execute(...args: any[]): Promise<any>;
+
+  protected logExecution(message: string, context?: any) {
+    this.logger.log(`[WORKFLOW] ${message}`);
+    if (context) {
+      this.logger.debug(context);
+    }
+  }
+}

src/gift/api/dto/create-contribution.dto.ts

@@ -0,0 +1,8 @@
+export class CreateContributionDto {
+  giftId!: string;
+  contributorName!: string;
+  contributorEmail?: string;
+  amount!: number;
+  type?: 'individual' | 'group';
+  metadata?: Record<string, any>;
+}

src/gift/api/dto/create-gift.dto.ts

@@ -0,0 +1,9 @@
+export class CreateGiftDto {
+  name!: string;
+  description?: string;
+  imageUrl?: string;
+  price?: number;
+  experience?: boolean;
+  ownerId?: string;
+  metadata?: Record<string, any>;
+}

src/gift/api/gift.controller.ts

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+import { Controller, Get, Post, Body, Param, Headers, Req } from '@nestjs/common';
+import { Request } from 'express';
+import { GiftService } from '../services/gift.service';
+import { CreateGiftDto } from './dto/create-gift.dto';
+import { CreateContributionDto } from './dto/create-contribution.dto';
+
+@Controller('gift')
+export class GiftController {
+  constructor(private readonly giftService: GiftService) {}
+
+  @Post()
+  async createGift(
+    @Req() req: Request,
+    @Headers('x-tenant-id') tenantId: string,
+    @Body() dto: CreateGiftDto,
+  ) {
+    const ownerId = (req as any).user?.id;
+    return this.giftService.createGift(tenantId, { ...dto, ownerId });
+  }
+
+  @Get()
+  async listGifts(@Headers('x-tenant-id') tenantId: string) {
+    return this.giftService.listGifts(tenantId);
+  }
+
+  @Post('contribution')
+  async contribute(
+    @Headers('x-tenant-id') tenantId: string,
+    @Body() dto: CreateContributionDto,
+  ) {
+    return this.giftService.createContribution(tenantId, dto);
+  }
+
+  @Get(':id')
+  async getGift(
+    @Req() req: Request,
+    @Headers('x-tenant-id') tenantId: string,
+    @Param('id') id: string,
+  ) {
+    const requesterId = (req as any).user?.id;
+    return this.giftService.getGiftById(tenantId, id, requesterId);
+  }
+
+  @Get(':id/contributions')
+  async listContributions(
+    @Req() req: Request,
+    @Headers('x-tenant-id') tenantId: string,
+    @Param('id') id: string,
+  ) {
+    const requesterId = (req as any).user?.id;
+    return this.giftService.listContributions(tenantId, id, requesterId);
+  }
+}

src/gift/entities/gift.entity.ts

@@ -0,0 +1,124 @@
+import { EntitySchema } from '@mikro-orm/core';
+import { v4 as uuidv4 } from 'uuid';
+import { BaseEntity } from '../../core/entities/base.entity';
+
+export class Gift extends BaseEntity {
+  name!: string;
+  description?: string;
+  imageUrl?: string;
+  price?: number;
+  experience?: boolean;
+  status: string = 'pending';
+  ownerId?: string;
+}
+
+export const GiftSchema = new EntitySchema<Gift>({
+  class: Gift,
+  tableName: 'gifts',
+  properties: {
+    id: {
+      type: 'uuid',
+      primary: true,
+      default: uuidv4(),
+    },
+    tenantId: {
+      type: 'string',
+    },
+    metadata: {
+      type: 'json',
+      nullable: true,
+    },
+    createdAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    updatedAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    name: {
+      type: 'string',
+    },
+    description: {
+      type: 'string',
+      nullable: true,
+    },
+    imageUrl: {
+      type: 'string',
+      nullable: true,
+    },
+    price: {
+      type: 'float',
+      nullable: true,
+    },
+    experience: {
+      type: 'boolean',
+      nullable: true,
+    },
+    status: {
+      type: 'string',
+      default: 'pending',
+    },
+    ownerId: {
+      type: 'string',
+      nullable: true,
+    },
+  },
+});
+
+export class GiftContribution extends BaseEntity {
+  giftId!: string;
+  contributorName!: string;
+  contributorEmail?: string;
+  amount!: number;
+  type: string = 'individual';
+  status: string = 'pending';
+}
+
+export const GiftContributionSchema = new EntitySchema<GiftContribution>({
+  class: GiftContribution,
+  tableName: 'gift_contributions',
+  properties: {
+    id: {
+      type: 'uuid',
+      primary: true,
+      default: uuidv4(),
+    },
+    tenantId: {
+      type: 'string',
+    },
+    metadata: {
+      type: 'json',
+      nullable: true,
+    },
+    createdAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    updatedAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    giftId: {
+      type: 'uuid',
+    },
+    contributorName: {
+      type: 'string',
+    },
+    contributorEmail: {
+      type: 'string',
+      nullable: true,
+    },
+    amount: {
+      type: 'float',
+    },
+    type: {
+      type: 'string',
+      default: 'individual',
+    },
+    status: {
+      type: 'string',
+      default: 'pending',
+    },
+  },
+});

src/gift/gift.module.ts

@@ -0,0 +1,19 @@
+import { Module } from '@nestjs/common';
+import { MikroOrmModule } from '@mikro-orm/nestjs';
+import { CoreModule } from '../core/core.module';
+import { GiftService } from './services/gift.service';
+import { GiftController } from './api/gift.controller';
+import { GiftSubscriber } from './subscribers/gift.subscriber';
+import { GiftSchema, GiftContributionSchema } from './entities/gift.entity';
+import { GiftModuleRegistration } from './gift.registration';
+
+@Module({
+  imports: [
+    CoreModule,
+    MikroOrmModule.forFeature({ entities: [GiftSchema, GiftContributionSchema] }),
+  ],
+  providers: [GiftService, GiftSubscriber, GiftModuleRegistration],
+  controllers: [GiftController],
+  exports: [GiftService],
+})
+export class GiftModule {}

src/gift/gift.registration.ts

@@ -0,0 +1,16 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { ModuleRegistryService } from '../core/services/module-registry.service';
+
+@Injectable()
+export class GiftModuleRegistration implements OnModuleInit {
+  constructor(private readonly moduleRegistry: ModuleRegistryService) {}
+
+  onModuleInit() {
+    this.moduleRegistry.registerModule({
+      key: 'gift',
+      name: 'Regalos',
+      description: 'Gestión de lista de regalos, aportes individuales y grupales.',
+      routePrefix: '/gift',
+    });
+  }
+}

src/gift/services/gift.service.ts

@@ -0,0 +1,67 @@
+import { Injectable } from '@nestjs/common';
+import { MikroORM } from '@mikro-orm/core';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { Gift, GiftContribution } from '../entities/gift.entity';
+import { CreateGiftDto } from '../api/dto/create-gift.dto';
+import { CreateContributionDto } from '../api/dto/create-contribution.dto';
+
+@Injectable()
+export class GiftService {
+  constructor(
+    private readonly orm: MikroORM,
+    private readonly eventEmitter: EventEmitter2,
+  ) {}
+
+  private get em() {
+    return this.orm.em.fork();
+  }
+
+  async createGift(tenantId: string, dto: CreateGiftDto): Promise<Gift> {
+    const gift = this.em.create(Gift, {
+      tenantId,
+      ...dto,
+    } as any);
+    this.em.persist(gift);
+    await this.em.flush();
+    this.eventEmitter.emit('gift.created', { gift });
+    return gift;
+  }
+
+  async createContribution(tenantId: string, dto: CreateContributionDto): Promise<GiftContribution> {
+    const contribution = this.em.create(GiftContribution, {
+      tenantId,
+      ...dto,
+    } as any);
+    this.em.persist(contribution);
+    await this.em.flush();
+    this.eventEmitter.emit('gift.contribution', { contribution });
+    return contribution;
+  }
+
+  async listGifts(tenantId: string): Promise<Gift[]> {
+    return this.em.find(Gift, { tenantId });
+  }
+
+  async getGiftById(
+    tenantId: string,
+    id: string,
+    requesterId?: string,
+  ): Promise<Gift | null> {
+    const gift = await this.em.findOne(Gift, { tenantId, id });
+    if (!gift) return null;
+    if (requesterId && gift.ownerId && gift.ownerId !== requesterId) {
+      return null;
+    }
+    return gift;
+  }
+
+  async listContributions(
+    tenantId: string,
+    giftId: string,
+    requesterId?: string,
+  ): Promise<GiftContribution[]> {
+    const gift = await this.getGiftById(tenantId, giftId, requesterId);
+    if (!gift) return [];
+    return this.em.find(GiftContribution, { tenantId, giftId });
+  }
+}

src/gift/subscribers/gift.subscriber.ts

@@ -0,0 +1,44 @@
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
+import { NotificationService } from '../../core/services/notification.service';
+import { NotificationRuleService } from '../../core/services/notification-rule.service';
+
+@Injectable()
+export class GiftSubscriber {
+  constructor(
+    private readonly notificationService: NotificationService,
+    private readonly notificationRuleService: NotificationRuleService,
+  ) {}
+
+  @OnEvent('gift.created')
+  async handleGiftCreated(payload: any) {
+    const { gift } = payload;
+    const rules = await this.notificationRuleService.getRulesForEvent(gift.tenantId, 'gift', 'gift.created');
+    for (const rule of rules) {
+      for (const channel of rule.channels) {
+        await this.notificationService.send(
+          channel,
+          gift.metadata?.notifyTo || '',
+          'Nuevo regalo creado',
+          `Se ha creado el regalo: ${gift.name}`,
+        );
+      }
+    }
+  }
+
+  @OnEvent('gift.contribution')
+  async handleGiftContribution(payload: any) {
+    const { contribution } = payload;
+    const rules = await this.notificationRuleService.getRulesForEvent(contribution.tenantId, 'gift', 'gift.contribution');
+    for (const rule of rules) {
+      for (const channel of rule.channels) {
+        await this.notificationService.send(
+          channel,
+          contribution.metadata?.notifyTo || '',
+          'Nuevo aporte a regalo',
+          `Se ha registrado un aporte de ${contribution.amount} al regalo (${contribution.giftId}).`,
+        );
+      }
+    }
+  }
+}

src/gift/workflows/gift.workflow.ts

@@ -0,0 +1,10 @@
+import { BaseWorkflow } from '../../core/workflows/base-workflow';
+
+export class GiftWorkflow extends BaseWorkflow {
+  async execute(...args: any[]): Promise<any> {
+    this.logExecution('Ejecutando workflow de regalo', args);
+    // Lógica de workflow para regalos
+    // ...existing code...
+    return {};
+  }
+}

src/guest/api/dto/create-guest.dto.ts

@@ -0,0 +1,6 @@
+export class CreateGuestDto {
+  name!: string;
+  email?: string;
+  phone?: string;
+  metadata?: Record<string, any>;
+}

src/guest/api/dto/update-rsvp.dto.ts

@@ -0,0 +1,4 @@
+export class UpdateRsvpDto {
+  rsvp!: boolean;
+  tableId?: string;
+}

src/guest/api/guest.controller.ts

@@ -0,0 +1,31 @@
+import { Controller, Get, Post, Body, Param, Headers, Patch } from '@nestjs/common';
+import { GuestService } from '../services/guest.service';
+import { CreateGuestDto } from './dto/create-guest.dto';
+import { UpdateRsvpDto } from './dto/update-rsvp.dto';
+
+@Controller('guest')
+export class GuestController {
+  constructor(private readonly guestService: GuestService) {}
+
+  @Post()
+  async createGuest(
+    @Headers('x-tenant-id') tenantId: string,
+    @Body() dto: CreateGuestDto,
+  ) {
+    return this.guestService.createGuest(tenantId, dto);
+  }
+
+  @Get()
+  async listGuests(@Headers('x-tenant-id') tenantId: string) {
+    return this.guestService.listGuests(tenantId);
+  }
+
+  @Patch(':id/rsvp')
+  async updateRsvp(
+    @Headers('x-tenant-id') tenantId: string,
+    @Param('id') id: string,
+    @Body() dto: UpdateRsvpDto,
+  ) {
+    return this.guestService.updateRsvp(tenantId, id, dto);
+  }
+}

src/guest/entities/guest.entity.ts

@@ -0,0 +1,102 @@
+import { EntitySchema } from '@mikro-orm/core';
+import { v4 as uuidv4 } from 'uuid';
+import { BaseEntity } from '../../core/entities/base.entity';
+
+export class Guest extends BaseEntity {
+  name!: string;
+  email?: string;
+  phone?: string;
+  rsvp: boolean = false;
+  tableId?: string;
+}
+
+export const GuestSchema = new EntitySchema<Guest>({
+  class: Guest,
+  tableName: 'guests',
+  properties: {
+    id: {
+      type: 'uuid',
+      primary: true,
+      default: uuidv4(),
+    },
+    tenantId: {
+      type: 'string',
+    },
+    metadata: {
+      type: 'json',
+      nullable: true,
+    },
+    createdAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    updatedAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    name: {
+      type: 'string',
+    },
+    email: {
+      type: 'string',
+      nullable: true,
+    },
+    phone: {
+      type: 'string',
+      nullable: true,
+    },
+    rsvp: {
+      type: 'boolean',
+      default: false,
+    },
+    tableId: {
+      type: 'uuid',
+      nullable: true,
+    },
+  },
+});
+
+export class GuestNotificationPreference extends BaseEntity {
+  guestId!: string;
+  email: boolean = true;
+  whatsapp: boolean = false;
+  metadata?: Record<string, any>;
+}
+
+export const GuestNotificationPreferenceSchema = new EntitySchema<GuestNotificationPreference>({
+  class: GuestNotificationPreference,
+  tableName: 'guest_notification_preferences',
+  properties: {
+    id: {
+      type: 'uuid',
+      primary: true,
+      default: uuidv4(),
+    },
+    tenantId: {
+      type: 'string',
+    },
+    metadata: {
+      type: 'json',
+      nullable: true,
+    },
+    createdAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    updatedAt: {
+      type: 'date',
+      default: new Date(),
+    },
+    guestId: {
+      type: 'uuid',
+    },
+    email: {
+      type: 'boolean',
+      default: true,
+    },
+    whatsapp: {
+      type: 'boolean',
+      default: false,
+    },
+  },
+});

src/guest/guest.module.ts

@@ -0,0 +1,21 @@
+import { Module } from '@nestjs/common';
+import { MikroOrmModule } from '@mikro-orm/nestjs';
+import { CoreModule } from '../core/core.module';
+import { GuestService } from './services/guest.service';
+import { GuestController } from './api/guest.controller';
+import { GuestSubscriber } from './subscribers/guest.subscriber';
+import { GuestSchema, GuestNotificationPreferenceSchema } from './entities/guest.entity';
+import { GuestModuleRegistration } from './guest.registration';
+
+@Module({
+  imports: [
+    CoreModule,
+    MikroOrmModule.forFeature({
+      entities: [GuestSchema, GuestNotificationPreferenceSchema],
+    }),
+  ],
+  providers: [GuestService, GuestSubscriber, GuestModuleRegistration],
+  controllers: [GuestController],
+  exports: [GuestService],
+})
+export class GuestModule {}

src/guest/guest.registration.ts

@@ -0,0 +1,16 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { ModuleRegistryService } from '../core/services/module-registry.service';
+
+@Injectable()
+export class GuestModuleRegistration implements OnModuleInit {
+  constructor(private readonly moduleRegistry: ModuleRegistryService) {}
+
+  onModuleInit() {
+    this.moduleRegistry.registerModule({
+      key: 'guest',
+      name: 'Invitados',
+      description: 'Gestión de invitados, RSVP y asignación de mesas.',
+      routePrefix: '/guest',
+    });
+  }
+}

src/guest/services/guest.service.ts

@@ -0,0 +1,46 @@
+import { Injectable } from '@nestjs/common';
+import { MikroORM } from '@mikro-orm/core';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { Guest } from '../entities/guest.entity';
+import { CreateGuestDto } from '../api/dto/create-guest.dto';
+import { UpdateRsvpDto } from '../api/dto/update-rsvp.dto';
+
+@Injectable()
+export class GuestService {
+  constructor(
+    private readonly orm: MikroORM,
+    private readonly eventEmitter: EventEmitter2,
+  ) {}
+
+  private get em() {
+    return this.orm.em.fork();
+  }
+
+  async createGuest(tenantId: string, dto: CreateGuestDto): Promise<Guest> {
+    const guest = this.em.create(Guest, {
+      tenantId,
+      ...dto,
+    } as any);
+    this.em.persist(guest);
+    await this.em.flush();
+    this.eventEmitter.emit('guest.invited', { guest });
+    return guest;
+  }
+
+  async updateRsvp(tenantId: string, guestId: string, dto: UpdateRsvpDto): Promise<Guest | null> {
+    const guest = await this.em.findOne(Guest, { tenantId, id: guestId });
+    if (!guest) return null;
+    guest.rsvp = dto.rsvp;
+    if (dto.tableId) {
+      guest.tableId = dto.tableId;
+    }
+    this.em.persist(guest);
+    await this.em.flush();
+    this.eventEmitter.emit('guest.rsvp', { guest });
+    return guest;
+  }
+
+  async listGuests(tenantId: string): Promise<Guest[]> {
+    return this.em.find(Guest, { tenantId });
+  }
+}

src/guest/subscribers/guest.subscriber.ts

@@ -0,0 +1,44 @@
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
+import { NotificationService } from '../../core/services/notification.service';
+import { NotificationRuleService } from '../../core/services/notification-rule.service';
+
+@Injectable()
+export class GuestSubscriber {
+  constructor(
+    private readonly notificationService: NotificationService,
+    private readonly notificationRuleService: NotificationRuleService,
+  ) {}
+
+  @OnEvent('guest.invited')
+  async handleGuestInvited(payload: any) {
+    const { guest } = payload;
+    const rules = await this.notificationRuleService.getRulesForEvent(guest.tenantId, 'guest', 'guest.invited');
+    for (const rule of rules) {
+      for (const channel of rule.channels) {
+        await this.notificationService.send(
+          channel,
+          guest.email || guest.phone || '',
+          'Has sido invitado',
+          `Hola ${guest.name}, has sido invitado al evento.`,
+        );
+      }
+    }
+  }
+
+  @OnEvent('guest.rsvp')
+  async handleGuestRsvp(payload: any) {
+    const { guest } = payload;
+    const rules = await this.notificationRuleService.getRulesForEvent(guest.tenantId, 'guest', 'guest.rsvp');
+    for (const rule of rules) {
+      for (const channel of rule.channels) {
+        await this.notificationService.send(
+          channel,
+          guest.email || guest.phone || '',
+          'RSVP actualizado',
+          `Hola ${guest.name}, tu RSVP ha sido actualizado.`,
+        );
+      }
+    }
+  }
+}

src/guest/workflows/guest.workflow.ts

@@ -0,0 +1,10 @@
+import { BaseWorkflow } from '../../core/workflows/base-workflow';
+
+export class GuestWorkflow extends BaseWorkflow {
+  async execute(...args: any[]): Promise<any> {
+    this.logExecution('Ejecutando workflow de invitados', args);
+    // Implementar lógica de workflow para invitados
+    // ...existing code...
+    return {};
+  }
+}

src/main.ts

@@ -0,0 +1,14 @@
+import 'reflect-metadata';
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+import { AuthGuard } from './core/auth.guard';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  app.setGlobalPrefix('api');
+  app.useGlobalGuards(app.get(AuthGuard));
+  await app.listen(process.env.PORT ? Number(process.env.PORT) : 3000);
+  console.log(`Application is running on: ${await app.getUrl()}`);
+}
+
+bootstrap();

src/todo/api/todo.controller.ts

@@ -0,0 +1,28 @@
+import { Controller, Get, Post, Body, Param, Headers, Patch } from '@nestjs/common';
+import { TodoService } from '../services/todo.service';
+
+@Controller('todo')
+export class TodoController {
+  constructor(private readonly todoService: TodoService) {}
+
+  @Post()
+  async createTodo(
+    @Headers('x-tenant-id') tenantId: string,
+    @Body() dto: any,
+  ) {
+    return this.todoService.createTodo(tenantId, dto);
+  }
+
+  @Get()
+  async listTodos(@Headers('x-tenant-id') tenantId: string) {
+    return this.todoService.listTodos(tenantId);
+  }
+
+  @Patch(':id/complete')
+  async completeTodo(
+    @Headers('x-tenant-id') tenantId: string,
+    @Param('id') id: string,
+  ) {
+    return this.todoService.markComplete(tenantId, id);
+  }
+}

src/todo/entities/todo.entity.ts

@@ -0,0 +1,26 @@
+import { EntitySchema } from '@mikro-orm/core';
+import { BaseEntity } from '../../core/entities/base.entity';
+
+export class TodoItem extends BaseEntity {
+  title!: string;
+  description?: string;
+  completed: boolean = false;
+  dueDate?: Date;
+}
+
+export const TodoItemSchema = new EntitySchema<TodoItem>({
+  class: TodoItem,
+  tableName: 'todo_items',
+  properties: {
+    id: { type: 'uuid', primary: true },
+    tenantId: { type: 'string' },
+    metadata: { type: 'json', nullable: true },
+    createdAt: { type: 'date', defaultRaw: 'now()' },
+    updatedAt: { type: 'date', defaultRaw: 'now()' },
+
+    title: { type: 'string' },
+    description: { type: 'text', nullable: true },
+    completed: { type: 'boolean', default: false },
+    dueDate: { type: 'date', nullable: true },
+  },
+});

src/todo/services/todo.service.ts

@@ -0,0 +1,41 @@
+import { Injectable } from '@nestjs/common';
+import { MikroORM } from '@mikro-orm/core';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { TodoItem } from '../entities/todo.entity';
+
+@Injectable()
+export class TodoService {
+  constructor(
+    private readonly orm: MikroORM,
+    private readonly eventEmitter: EventEmitter2,
+  ) {}
+
+  private get em() {
+    return this.orm.em.fork();
+  }
+
+  async createTodo(tenantId: string, dto: Partial<TodoItem>): Promise<TodoItem> {
+    const todo = this.em.create(TodoItem, {
+      tenantId,
+      ...dto,
+    } as any);
+    this.em.persist(todo);
+    await this.em.flush();
+    this.eventEmitter.emit('todo.created', { todo });
+    return todo;
+  }
+
+  async listTodos(tenantId: string): Promise<TodoItem[]> {
+    return this.em.find(TodoItem, { tenantId });
+  }
+
+  async markComplete(tenantId: string, id: string): Promise<TodoItem | null> {
+    const todo = await this.em.findOne(TodoItem, { tenantId, id });
+    if (!todo) return null;
+    todo.completed = true;
+    this.em.persist(todo);
+    await this.em.flush();
+    this.eventEmitter.emit('todo.completed', { todo });
+    return todo;
+  }
+}

src/todo/subscribers/todo.subscriber.ts

@@ -0,0 +1,44 @@
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
+import { NotificationService } from '../../core/services/notification.service';
+import { NotificationRuleService } from '../../core/services/notification-rule.service';
+
+@Injectable()
+export class TodoSubscriber {
+  constructor(
+    private readonly notificationService: NotificationService,
+    private readonly notificationRuleService: NotificationRuleService,
+  ) {}
+
+  @OnEvent('todo.created')
+  async handleTodoCreated(payload: any) {
+    const { todo } = payload;
+    const rules = await this.notificationRuleService.getRulesForEvent(todo.tenantId, 'todo', 'todo.created');
+    for (const rule of rules) {
+      for (const channel of rule.channels) {
+        await this.notificationService.send(
+          channel,
+          todo.metadata?.notifyTo || '',
+          'Nueva tarea creada',
+          `Se creó la tarea: ${todo.title}`,
+        );
+      }
+    }
+  }
+
+  @OnEvent('todo.completed')
+  async handleTodoCompleted(payload: any) {
+    const { todo } = payload;
+    const rules = await this.notificationRuleService.getRulesForEvent(todo.tenantId, 'todo', 'todo.completed');
+    for (const rule of rules) {
+      for (const channel of rule.channels) {
+        await this.notificationService.send(
+          channel,
+          todo.metadata?.notifyTo || '',
+          'Tarea completada',
+          `La tarea "${todo.title}" se ha marcado como completada.`,
+        );
+      }
+    }
+  }
+}

src/todo/todo.module.ts

@@ -0,0 +1,16 @@
+import { Module } from '@nestjs/common';
+import { MikroOrmModule } from '@mikro-orm/nestjs';
+import { CoreModule } from '../core/core.module';
+import { TodoService } from './services/todo.service';
+import { TodoController } from './api/todo.controller';
+import { TodoSubscriber } from './subscribers/todo.subscriber';
+import { TodoItemSchema } from './entities/todo.entity';
+import { TodoModuleRegistration } from './todo.registration';
+
+@Module({
+  imports: [CoreModule, MikroOrmModule.forFeature({ entities: [TodoItemSchema] })],
+  providers: [TodoService, TodoSubscriber, TodoModuleRegistration],
+  controllers: [TodoController],
+  exports: [TodoService],
+})
+export class TodoModule {}

src/todo/todo.registration.ts

@@ -0,0 +1,16 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { ModuleRegistryService } from '../core/services/module-registry.service';
+
+@Injectable()
+export class TodoModuleRegistration implements OnModuleInit {
+  constructor(private readonly moduleRegistry: ModuleRegistryService) {}
+
+  onModuleInit() {
+    this.moduleRegistry.registerModule({
+      key: 'todo',
+      name: 'To-do',
+      description: 'Lista de pendientes para la organización del matrimonio.',
+      routePrefix: '/todo',
+    });
+  }
+}

src/todo/workflows/todo.workflow.ts

@@ -0,0 +1,10 @@
+import { BaseWorkflow } from '../../core/workflows/base-workflow';
+
+export class TodoWorkflow extends BaseWorkflow {
+  async execute(...args: any[]): Promise<any> {
+    this.logExecution('Ejecutando workflow de tareas', args);
+    // Implementar lógica de workflow para tareas
+    // ...existing code...
+    return {};
+  }
+}