SUBD_Labs/BeautySalonDatabaseImplement/Models/Visit.cs

using BeautySalonContracts.BindingModels;
using BeautySalonContracts.ViewModels;
using BeautySalonDataModels.Models;
using System.ComponentModel.DataAnnotations;

namespace BeautySalonDatabaseImplement.Models
{
    public class Visit : IVisitModel
    {
        public int Id { get; private set; }
        [Required]
        public DateTime DateOfVisit { get; private set; }
        public int ClientId { get; private set; }
        public int ServiceId { get; private set; }
        public string ClientFIO { get; set; } = string.Empty;
        public string ServiceName { get; set; } = string.Empty;
        [Required]
        public double Sum { get; private set; }        
        public Client Client { get; set; }
        public virtual Service Service { get; set; }

        public static Visit? Create(VisitBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }

            return new Visit()
            {
                Id = model.Id,
                ClientId = model.ClientId,
                ClientFIO = model.ClientFIO,
                ServiceId = model.ServiceId,
                ServiceName = model.ServiceName,
                Sum = model.Sum,
                DateOfVisit = model.DateOfVisit
            };
        }

        public void Update(VisitBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
                        
            Sum = model.Sum;
            DateOfVisit = model.DateOfVisit;
        }

        public VisitViewModel GetViewModel
        {
            get
            {
                using var context = new BeautySalonDatabase();
                return new VisitViewModel
                {
                    Id = Id,
                    ClientId = ClientId,
                    ClientFIO = context.Clients.FirstOrDefault(x => x.Id == ClientId)?.ClientFIO ?? string.Empty,
                    ServiceId = ServiceId,
                    ServiceName = context.Services.FirstOrDefault(x => x.Id == ServiceId)?.ServiceName ?? string.Empty,
                    Sum = Sum,
                    DateOfVisit = DateOfVisit
                };
            }
        }  
    }
}