Pibd-22_Lyakhov_T.I._Simple/StudentProgressRecord/Entity/Statement.cs

using System.ComponentModel;

namespace StudentProgressRecord.Entity
{
    public class Statement
    {
        public long Id { get; set; }

        [Browsable(false)]
        public long SubjectId { get; set; }

        [Browsable(false)]
        public long TeacherId { get; set; }

        [DisplayName("Дата")]
        public DateTime Date { get; set; }

        [DisplayName("Название предмета")]
        public string SubjectName { get; set; } = string.Empty;

        [DisplayName("Преподователь")]
        public string TeacherName { get; set; } = string.Empty;

        public IEnumerable<Marks> Marks { get; private set; } = [];


        public void SetMarks(IEnumerable<Marks> marks)
        {
            if (marks != null && marks.Any())
            {
                Marks = marks;
            }
        }


        [DisplayName("Оценки")]
        public string Mark => Marks != null ? string.Join(", ", Marks.Select(x => $"{x.StudentName} {x.Mark}")) : string.Empty;


        public static Statement CreateOperation(long id, long subjectId, long teacherId,
            DateTime timeStamp, IEnumerable<Marks> marks)
        {
            return new Statement
            {
                Id = id,
                SubjectId = subjectId,
                TeacherId = teacherId,
                Date = timeStamp,
                Marks = marks
            };
        }
    }
}