using UniVerse.Domain.Enums; namespace UniVerse.Application.DTOs.Lectures; public record LectureDto( int Id, int CourseId, string CourseName, int? TeacherId, string? TeacherName, int? LocationId, string? LocationName, string Title, string? Description, LectureFormat Format, DateTime StartsAt, DateTime EndsAt, bool IsOpen, int MaxEnrollments, int EnrollmentsCount, string? OnlineUrl, DateTime CreatedAt ); public record LectureDetailDto( int Id, int CourseId, string CourseName, int? TeacherId, string? TeacherName, int? LocationId, string? LocationName, string Title, string? Description, LectureFormat Format, DateTime StartsAt, DateTime EndsAt, bool IsOpen, int MaxEnrollments, int EnrollmentsCount, string? OnlineUrl, DateTime CreatedAt, bool IsEnrolled ); public record CreateLectureRequest( int CourseId, int? TeacherId, int? LocationId, string Title, string? Description, LectureFormat Format, DateTime StartsAt, DateTime EndsAt, bool IsOpen, int MaxEnrollments, string? OnlineUrl ); public record UpdateLectureRequest( int? TeacherId, int? LocationId, string Title, string? Description, LectureFormat Format, DateTime StartsAt, DateTime EndsAt, bool IsOpen, int MaxEnrollments, string? OnlineUrl ); public record LectureFilterRequest( DateOnly? DateFrom, DateOnly? DateTo, int? CourseId, int? TeacherId, LectureFormat? Format, bool? IsOpen, int? TagId, string? Search, int Page = 1, int PageSize = 20 ); public record EnrollmentDto(int Id, int UserId, string? UserName, string? UserEmail, bool Attended, DateTime CreatedAt);