backend/src/admin/dto/create-course.dto.ts

import { IsString, IsNotEmpty, IsNumber, IsOptional } from 'class-validator';

export class CreateCourseDto {
  @IsString()
  @IsNotEmpty()
  title: string;

  @IsString()
  @IsOptional()
  description?: string;

  @IsString()
  @IsNotEmpty()
  coverImage: string;

  @IsString()
  @IsNotEmpty()
  driveLink: string;

  @IsNumber()
  @IsNotEmpty()
  price: number;

  @IsString()
  @IsOptional()
  category?: string;

  @IsNumber()
  @IsOptional()
  viewCount?: number;

  @IsNumber()
  @IsOptional()
  likeCount?: number;

  @IsNumber()
  @IsOptional()
  starCount?: number;
}