90 lines
3.3 KiB
C#
90 lines
3.3 KiB
C#
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using ShipyardContracts.BindingModels;
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using ShipyardContracts.ViewModels;
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using ShipyardDataModels.Models;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.ComponentModel.DataAnnotations;
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namespace ShipyardDataBaseImplement.Models
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{
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public class Ship : IShipModel
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{
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public int Id { get; set; }
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[Required]
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public string ShipName { get; set; } = string.Empty;
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[Required]
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public double Price { get; set; }
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private Dictionary<int, (IDetailModel, int)>? _shipDetails = null;
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[NotMapped]
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public Dictionary<int, (IDetailModel, int)> ShipDetails
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{
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get
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{
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if (_shipDetails == null)
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{
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_shipDetails = Details.ToDictionary(recPC => recPC.DetailId, recPC =>
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(recPC.Detail as IDetailModel, recPC.Count));
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}
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return _shipDetails;
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}
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}
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[ForeignKey("ShipId")]
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public virtual List<ShipDetail> Details { get; set; } = new();
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[ForeignKey("ShipId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Ship Create(ShipyardDataBase context, ShipBindingModel model)
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{
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return new Ship()
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{
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Id = model.Id,
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ShipName = model.ShipName,
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Price = model.Price,
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Details = model.ShipDetails.Select(x => new ShipDetail
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{
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Detail = context.Details.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(ShipBindingModel model)
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{
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ShipName = model.ShipName;
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Price = model.Price;
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}
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public ShipViewModel GetViewModel => new()
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{
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Id = Id,
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ShipName = ShipName,
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Price = Price,
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ShipDetails = ShipDetails
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};
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public void UpdateComponents(ShipyardDataBase context,
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ShipBindingModel model)
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{
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var shipDetails = context.ShipDetails.Where(rec => rec.ShipId == model.Id).ToList();
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if (shipDetails != null && shipDetails.Count > 0)
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{ // удалили те, которых нет в модели
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context.ShipDetails.RemoveRange(shipDetails.Where(rec => !model.ShipDetails.ContainsKey(rec.DetailId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateDetail in shipDetails)
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{
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updateDetail.Count = model.ShipDetails[updateDetail.DetailId].Item2;
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model.ShipDetails.Remove(updateDetail.DetailId);
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}
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context.SaveChanges();
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}
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var ship = context.Ships.First(x => x.Id == Id);
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foreach (var pc in model.ShipDetails)
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{
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context.ShipDetails.Add(new ShipDetail
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{
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Ship = ship,
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Detail = context.Details.First(x => x.Id == pc.Key),
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Count = pc.Value.Item2
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});
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context.SaveChanges();
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}
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_shipDetails = null;
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}
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}
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}
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