ISEbd-21.Gordeev.I.V.SushiB.../SushiBar/SushiBarDatabaseImplement/Models/Sushi.cs

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C#
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using SushiBarContracts.BindingModels;
using SushiBarContracts.ViewModels;
using SushiBarDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace SushiBarDatabaseImplement.Models
{
public class Sushi : ISushiModel
{
public int Id { get; set; }
[Required]
public string SushiName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IIngredientModel, int)>? _sushiIngredients = null;
[NotMapped]
public Dictionary<int, (IIngredientModel, int)> SushiIngredients
{
get
{
if (_sushiIngredients == null)
{
_sushiIngredients = Ingredients
.ToDictionary(recPC => recPC.IngredientId, recPC => (recPC.Ingredient as IIngredientModel, recPC.Count));
}
return _sushiIngredients;
}
}
[ForeignKey("SushiId")]
public virtual List<SushiIngredient> Ingredients { get; set; } = new();
[ForeignKey("SushiId")]
public virtual List<Order> Orders { get; set; } = new();
public static Sushi Create(SushiBarDatabase context, SushiBindingModel model)
{
return new Sushi()
{
Id = model.Id,
SushiName = model.SushiName,
Price = model.Price,
Ingredients = model.SushiIngredients.Select(x => new SushiIngredient
{
Ingredient = context.Ingredients.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(SushiBindingModel model)
{
SushiName = model.SushiName;
Price = model.Price;
}
public SushiViewModel GetViewModel => new()
{
Id = Id,
SushiName = SushiName,
Price = Price,
SushiIngredients = SushiIngredients
};
public void UpdateIngredients(SushiBarDatabase context, SushiBindingModel model)
{
var sushiIngredients = context.SushiIngredients.Where(rec => rec.SushiId == model.Id).ToList();
if (sushiIngredients != null && sushiIngredients.Count > 0)
{ // удалили те, которых нет в модели
context.SushiIngredients.RemoveRange(sushiIngredients.Where(rec => !model.SushiIngredients.ContainsKey(rec.IngredientId)));
context.SaveChanges();
// обновили количество у существующих записей
foreach (var updateIngredient in sushiIngredients)
{
updateIngredient.Count = model.SushiIngredients[updateIngredient.IngredientId].Item2;
model.SushiIngredients.Remove(updateIngredient.IngredientId);
}
context.SaveChanges();
}
var sushi = context.ListSushi.First(x => x.Id == Id);
foreach (var si in model.SushiIngredients)
{
context.SushiIngredients.Add(new SushiIngredient
{
Sushi = sushi,
Ingredient = context.Ingredients.First(x => x.Id == si.Key),
Count = si.Value.Item2
});
context.SaveChanges();
}
_sushiIngredients = null;
}
}
}