119 lines
4.2 KiB
C#
119 lines
4.2 KiB
C#
using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.ViewModels;
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using ConfectioneryDatabaseImplement;
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using ConfectioneryDataModels;
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using ConfectioneryDataModels.Models;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging.Abstractions;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.Xml.Linq;
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namespace ConfectioneryDatabaseImplement.Models
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{
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public class Shop : IShopModel
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{
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[Required]
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public string Name { get; private set; } = string.Empty;
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[Required]
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public string Address { get; private set; } = string.Empty;
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[Required]
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public int MaxCountPastries { get; private set; }
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public DateTime DateOpening { get; private set; }
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private Dictionary<int, (IPastryModel, int)>? _cachedPastries = null;
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[NotMapped]
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public Dictionary<int, (IPastryModel, int)> Pastries
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{
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get
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{
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if (_cachedPastries == null)
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{
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using var context = new ConfectioneryDatabase();
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_cachedPastries = ShopPastries
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.ToDictionary(x => x.PastryId, x => (context.Pastries
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.FirstOrDefault(y => y.Id == x.PastryId)! as IPastryModel, x.Count));
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}
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return _cachedPastries;
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}
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}
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public int Id { get; private set; }
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[ForeignKey("ShopId")]
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public virtual List<ShopPastry> ShopPastries { get; set; } = new();
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public static Shop? Create(ConfectioneryDatabase context, ShopBindingModel? model)
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{
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if (model == null)
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{
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return null;
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}
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return new Shop()
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{
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Id = model.Id,
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Name = model.Name,
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Address = model.Address,
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DateOpening = model.DateOpening,
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MaxCountPastries = model.MaxCountPastries,
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ShopPastries = model.Pastries.Select(x => new ShopPastry
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{
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Pastry = context.Pastries.FirstOrDefault(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(ShopBindingModel? model)
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{
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if (model == null)
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{
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return;
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}
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Name = model.Name;
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Address = model.Address;
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DateOpening = model.DateOpening;
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}
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public ShopViewModel GetViewModel => new()
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{
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Id = Id,
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Name = Name,
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Address = Address,
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Pastries = Pastries,
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DateOpening = DateOpening,
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MaxCountPastries = MaxCountPastries,
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};
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public void UpdatePastries(ConfectioneryDatabase context, ShopBindingModel model)
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{
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var shopPastries = context.ShopPastries
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.Where(rec => rec.ShopId == model.Id)
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.ToList();
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// удалили те, которых нет в модели
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if (shopPastries != null && shopPastries.Count > 0)
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{
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context.ShopPastries
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.RemoveRange(shopPastries
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.Where(rec => !model.Pastries
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.ContainsKey(rec.PastryId)));
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// обновили количество у существующих записей
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foreach (var updatePastry in shopPastries.Where(x => model.Pastries.ContainsKey(x.PastryId)))
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{
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updatePastry.Count = model.Pastries[updatePastry.PastryId].Item2;
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model.Pastries.Remove(updatePastry.PastryId);
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}
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}
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var shop = context.Shops.First(x => x.Id == model.Id);
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shop.ShopPastries.AddRange(model.Pastries.Select(x => new ShopPastry
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{
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Pastry = context.Pastries.First(y => y.Id == x.Key),
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Count = x.Value.Item2,
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}).Except(shopPastries ?? new()));
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context.SaveChanges();
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_cachedPastries = null;
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}
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}
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}
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