training_data/apps/server/src/validation/index.ts

import { PipeTransform, BadRequestException } from '@nestjs/common';
import { ZodSchema } from 'zod';

export class ZodValidationPipe implements PipeTransform {
  constructor(private schema: ZodSchema) {}

  transform(value: unknown) {
    try {
      const result = this.schema.parse(value);
      return result;
    } catch (error: any) {
      throw new BadRequestException('Validation failed', {
        cause: error,
        description: error.errors,
      });
    }
  }
}