HOA_Financial_Platform/backend/src/app.module.ts

import { Module, MiddlewareConsumer, NestModule } from '@nestjs/common';
import { APP_GUARD, APP_INTERCEPTOR } from '@nestjs/core';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { TypeOrmModule } from '@nestjs/typeorm';
import { ThrottlerModule } from '@nestjs/throttler';
import { AppController } from './app.controller';
import { DatabaseModule } from './database/database.module';
import { TenantMiddleware } from './database/tenant.middleware';
import { WriteAccessGuard } from './common/guards/write-access.guard';
import { NoCacheInterceptor } from './common/interceptors/no-cache.interceptor';
import { AuthModule } from './modules/auth/auth.module';
import { OrganizationsModule } from './modules/organizations/organizations.module';
import { UsersModule } from './modules/users/users.module';
import { AccountsModule } from './modules/accounts/accounts.module';
import { FiscalPeriodsModule } from './modules/fiscal-periods/fiscal-periods.module';
import { JournalEntriesModule } from './modules/journal-entries/journal-entries.module';
import { BudgetsModule } from './modules/budgets/budgets.module';
import { UnitsModule } from './modules/units/units.module';
import { InvoicesModule } from './modules/invoices/invoices.module';
import { PaymentsModule } from './modules/payments/payments.module';
import { VendorsModule } from './modules/vendors/vendors.module';
import { ReserveComponentsModule } from './modules/reserve-components/reserve-components.module';
import { InvestmentsModule } from './modules/investments/investments.module';
import { CapitalProjectsModule } from './modules/capital-projects/capital-projects.module';
import { ReportsModule } from './modules/reports/reports.module';
import { AssessmentGroupsModule } from './modules/assessment-groups/assessment-groups.module';
import { ProjectsModule } from './modules/projects/projects.module';
import { MonthlyActualsModule } from './modules/monthly-actuals/monthly-actuals.module';
import { AttachmentsModule } from './modules/attachments/attachments.module';
import { InvestmentPlanningModule } from './modules/investment-planning/investment-planning.module';
import { HealthScoresModule } from './modules/health-scores/health-scores.module';
import { BoardPlanningModule } from './modules/board-planning/board-planning.module';
import { BillingModule } from './modules/billing/billing.module';
import { EmailModule } from './modules/email/email.module';
import { OnboardingModule } from './modules/onboarding/onboarding.module';
import { ScheduleModule } from '@nestjs/schedule';

@Module({
  imports: [
    ConfigModule.forRoot({
      isGlobal: true,
    }),
    TypeOrmModule.forRootAsync({
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: (configService: ConfigService) => ({
        type: 'postgres',
        url: configService.get<string>('DATABASE_URL'),
        autoLoadEntities: true,
        synchronize: false,
        logging: false,
        // Connection pool — reuse connections instead of creating new ones per query
        extra: {
          max: 30,                        // max pool size (across all concurrent requests)
          min: 5,                         // keep at least 5 idle connections warm
          idleTimeoutMillis: 30000,       // close idle connections after 30s
          connectionTimeoutMillis: 5000,  // fail fast if pool is exhausted
        },
      }),
    }),
    ThrottlerModule.forRoot([{
      ttl: 60000,   // 1-minute window
      limit: 100,   // 100 requests per minute (global default)
    }]),
    DatabaseModule,
    AuthModule,
    OrganizationsModule,
    UsersModule,
    AccountsModule,
    FiscalPeriodsModule,
    JournalEntriesModule,
    BudgetsModule,
    UnitsModule,
    InvoicesModule,
    PaymentsModule,
    VendorsModule,
    ReserveComponentsModule,
    InvestmentsModule,
    CapitalProjectsModule,
    ReportsModule,
    AssessmentGroupsModule,
    ProjectsModule,
    MonthlyActualsModule,
    AttachmentsModule,
    InvestmentPlanningModule,
    HealthScoresModule,
    BoardPlanningModule,
    BillingModule,
    EmailModule,
    OnboardingModule,
    ScheduleModule.forRoot(),
  ],
  controllers: [AppController],
  providers: [
    {
      provide: APP_GUARD,
      useClass: WriteAccessGuard,
    },
    {
      provide: APP_INTERCEPTOR,
      useClass: NoCacheInterceptor,
    },
  ],
})
export class AppModule implements NestModule {
  configure(consumer: MiddlewareConsumer) {
    consumer.apply(TenantMiddleware).forRoutes('*');
  }
}