All files / modules/billing billing.controller.ts

100% Statements 43/43
100% Branches 0/0
100% Functions 16/16
100% Lines 41/41

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import {
  Controller,
  Get,
  Post,
  Patch,
  Delete,
  Body,
  Param,
  Query,
  UseGuards,
} from '@nestjs/common';
import {
  ApiTags,
  ApiOperation,
  ApiBearerAuth,
  ApiQuery,
} from '@nestjs/swagger';
import { BillingService } from './services/billing.service';
import {
  CreateSubscriptionDto,
  UpdateSubscriptionDto,
  CancelSubscriptionDto,
  CreatePaymentMethodDto,
} from './dto';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { PermissionsGuard, RequirePermissions } from '../rbac/guards/permissions.guard';
import { CurrentUser } from '../auth/decorators/current-user.decorator';
import { RequestUser } from '../auth/strategies/jwt.strategy';
 
@ApiTags('billing')
@Controller('billing')
@UseGuards(JwtAuthGuard)
@ApiBearerAuth()
export class BillingController {
  constructor(private readonly billingService: BillingService) {}
 
  // ==================== Subscription ====================
 
  @Get('subscription')
  @ApiOperation({ summary: 'Get current subscription' })
  async getSubscription(@CurrentUser() user: RequestUser) {
    return this.billingService.getSubscription(user.tenant_id);
  }
 
  @Get('subscription/status')
  @ApiOperation({ summary: 'Check subscription status' })
  async getSubscriptionStatus(@CurrentUser() user: RequestUser) {
    return this.billingService.checkSubscriptionStatus(user.tenant_id);
  }
 
  @Post('subscription')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Create subscription (admin)' })
  async createSubscription(
    @Body() dto: CreateSubscriptionDto,
    @CurrentUser() user: RequestUser,
  ) {
    // Override tenant_id with the current user's tenant
    dto.tenant_id = user.tenant_id;
    return this.billingService.createSubscription(dto);
  }
 
  @Patch('subscription')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Update subscription' })
  async updateSubscription(
    @Body() dto: UpdateSubscriptionDto,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.updateSubscription(user.tenant_id, dto);
  }
 
  @Post('subscription/cancel')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Cancel subscription' })
  async cancelSubscription(
    @Body() dto: CancelSubscriptionDto,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.cancelSubscription(user.tenant_id, dto);
  }
 
  @Post('subscription/change-plan/:planId')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Change subscription plan' })
  async changePlan(
    @Param('planId') planId: string,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.changePlan(user.tenant_id, planId);
  }
 
  // ==================== Invoices ====================
 
  @Get('invoices')
  @ApiOperation({ summary: 'Get invoices' })
  @ApiQuery({ name: 'page', required: false, type: Number })
  @ApiQuery({ name: 'limit', required: false, type: Number })
  async getInvoices(
    @CurrentUser() user: RequestUser,
    @Query('page') page?: number,
    @Query('limit') limit?: number,
  ) {
    return this.billingService.getInvoices(user.tenant_id, { page, limit });
  }
 
  @Get('invoices/:id')
  @ApiOperation({ summary: 'Get invoice by ID' })
  async getInvoice(
    @Param('id') id: string,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.getInvoice(id, user.tenant_id);
  }
 
  @Post('invoices/:id/mark-paid')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Mark invoice as paid (admin)' })
  async markInvoicePaid(
    @Param('id') id: string,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.markInvoicePaid(id, user.tenant_id);
  }
 
  @Post('invoices/:id/void')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Void invoice (admin)' })
  async voidInvoice(
    @Param('id') id: string,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.voidInvoice(id, user.tenant_id);
  }
 
  // ==================== Payment Methods ====================
 
  @Get('payment-methods')
  @ApiOperation({ summary: 'Get payment methods' })
  async getPaymentMethods(@CurrentUser() user: RequestUser) {
    return this.billingService.getPaymentMethods(user.tenant_id);
  }
 
  @Post('payment-methods')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Add payment method' })
  async addPaymentMethod(
    @Body() dto: CreatePaymentMethodDto,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.addPaymentMethod(user.tenant_id, dto);
  }
 
  @Post('payment-methods/:id/set-default')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Set default payment method' })
  async setDefaultPaymentMethod(
    @Param('id') id: string,
    @CurrentUser() user: RequestUser,
  ) {
    return this.billingService.setDefaultPaymentMethod(id, user.tenant_id);
  }
 
  @Delete('payment-methods/:id')
  @UseGuards(PermissionsGuard)
  @RequirePermissions('billing:manage')
  @ApiOperation({ summary: 'Remove payment method' })
  async removePaymentMethod(
    @Param('id') id: string,
    @CurrentUser() user: RequestUser,
  ) {
    await this.billingService.removePaymentMethod(id, user.tenant_id);
    return { message: 'Payment method removed' };
  }
 
  // ==================== Summary ====================
 
  @Get('summary')
  @ApiOperation({ summary: 'Get billing summary' })
  async getBillingSummary(@CurrentUser() user: RequestUser) {
    return this.billingService.getBillingSummary(user.tenant_id);
  }
}