using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations.Schema; using System.ComponentModel.DataAnnotations; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Entities.Contracts { [Table("classes")] public class Class { [Key] [Column("id")] public Guid Id { get; set; } [Column("grade")] public byte Grade { get; set; } [Column("class")] public byte Number { get; set; } [Column("description")] public string Description { get; set; } [Column("head_teacher_id")] public Guid? HeadTeacherId { get; set; } public User HeadTeacher { get; set; } [Column("created_at")] public DateTime CreatedAt { get; set; } [Column("updated_at")] public DateTime UpdatedAt { get; set; } [Column("deleted")] public bool IsDeleted { get; set; } // Navigation Properties public ICollection ClassTeachers { get; set; } public ICollection ClassStudents { get; set; } public ICollection AssignmentClasses { get; set; } public Class() { Id = Guid.NewGuid(); Grade = 0; Number = 0; ClassStudents = new HashSet(); ClassTeachers = new HashSet(); AssignmentClasses = new HashSet(); } } }