119 lines
4.2 KiB
C#
119 lines
4.2 KiB
C#
using SoftwareInstallationContracts.BindingModels;
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using SoftwareInstallationContracts.ViewModels;
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using SoftwareInstallationDatabaseImplement;
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using SoftwareInstallationDataModels;
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using SoftwareInstallationDataModels.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 SoftwareInstallationDatabaseImplement.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 MaxCountPackages { get; private set; }
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public DateTime DateOpening { get; private set; }
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private Dictionary<int, (IPackageModel, int)>? _cachedPackages = null;
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[NotMapped]
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public Dictionary<int, (IPackageModel, int)> Packages
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{
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get
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{
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if (_cachedPackages == null)
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{
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using var context = new SoftwareInstallationDatabase();
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_cachedPackages = ShopPackages
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.ToDictionary(x => x.PackageId, x => (context.Packages
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.FirstOrDefault(y => y.Id == x.PackageId)! as IPackageModel, x.Count));
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}
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return _cachedPackages;
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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<ShopPackage> ShopPackages { get; set; } = new();
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public static Shop? Create(SoftwareInstallationDatabase 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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MaxCountPackages = model.MaxCountPackages,
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ShopPackages = model.Packages.Select(x => new ShopPackage
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{
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Package = context.Packages.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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Packages = Packages,
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DateOpening = DateOpening,
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MaxCountPackages = MaxCountPackages,
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};
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public void UpdatePackages(SoftwareInstallationDatabase context, ShopBindingModel model)
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{
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var shopPackages = context.ShopPackages
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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 (shopPackages != null && shopPackages.Count > 0)
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{
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context.ShopPackages
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.RemoveRange(shopPackages
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.Where(rec => !model.Packages
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.ContainsKey(rec.PackageId)));
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// обновили количество у существующих записей
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foreach (var updatePackage in shopPackages.Where(x => model.Packages.ContainsKey(x.PackageId)))
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{
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updatePackage.Count = model.Packages[updatePackage.PackageId].Item2;
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model.Packages.Remove(updatePackage.PackageId);
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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.ShopPackages.AddRange(model.Packages.Select(x => new ShopPackage
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{
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Package = context.Packages.First(y => y.Id == x.Key),
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Count = x.Value.Item2,
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}).Except(shopPackages ?? new()));
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context.SaveChanges();
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_cachedPackages = null;
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}
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}
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}
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