HomeworkTaskViewModels.cs

using System;
using System.ComponentModel.DataAnnotations;
using Newtonsoft.Json;

namespace HwProj.Models.CoursesService.ViewModels
{
    public class HomeworkTaskViewModel
    {
        public long Id { get; set; }

        public string Title { get; set; }

        public string Description { get; set; }

        public int MaxRating { get; set; }

        public bool HasDeadline { get; set; }

        public DateTime? DeadlineDate { get; set; }

        public bool IsDeadlineStrict { get; set; }

        [JsonProperty] public bool CanSendSolution => !IsDeadlineStrict || DateTimeUtils.GetMoscowNow() <= DeadlineDate;

        public DateTime PublicationDate { get; set; }

        public long HomeworkId { get; set; }

        public bool IsDeferred { get; set; }
    }


    public class HomeworkTaskDTO
    {
        public long Id { get; set; }

        public string Title { get; set; }

        public DateTime PublicationDate { get; set; }

        public DateTime? DeadlineDate { get; set; }
    }

    public class CreateTaskViewModel
    {
        [Required]
        [RegularExpression(@"^\S+.*", ErrorMessage = "Name shouldn't start with white spaces.")]
        public string Title { get; set; }

        public string Description { get; set; }

        public bool HasDeadline { get; set; }

        public DateTime? DeadlineDate { get; set; }

        public bool IsDeadlineStrict { get; set; }

        public DateTime PublicationDate { get; set; }

        [Required] public int MaxRating { get; set; }

        public void InitializeDeadline()
        {
            if (!HasDeadline || DeadlineDate == null)
            {
                IsDeadlineStrict = false;
                HasDeadline = false;
                DeadlineDate = null;
            }
        }
    }
}