study-lib-backend/API/Models/Subject.cs

using StudyLib.API.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;

namespace StudyLib.Models
{
    public class Subject
    {
        public long ID { get; set; }

        [Required]
        public string Name { get; set; }

        public string LectureTeacher { get; set; }

        public string LabTeacher { get; set; }

        public bool MainExam { get; set; }
        
        public string EditedBy { get; set; }

        public long GroupId { get; set; }

        public Group Group { get; set; }

        public DateTime ExamDate { get; set; }

        public ICollection<Test> Tests { get; set; }

        public ICollection<Assignment> Assignments { get; set; }

        public ICollection<Comment> Comments { get; set; }
    }
}