diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/20230509090707_Create_shop.Designer.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/20230509090707_Create_shop.Designer.cs
new file mode 100644
index 0000000..548433f
--- /dev/null
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/20230509090707_Create_shop.Designer.cs
@@ -0,0 +1,248 @@
+//
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using PrecastConcretePlantDatabaseImplement;
+
+#nullable disable
+
+namespace PrecastConcretePlantDatabaseImplement.Migrations
+{
+ [DbContext(typeof(PrecastConcretePlantDatabase))]
+ [Migration("20230509090707_Create_shop")]
+ partial class Create_shop
+ {
+ ///
+ protected override void BuildTargetModel(ModelBuilder modelBuilder)
+ {
+#pragma warning disable 612, 618
+ modelBuilder
+ .HasAnnotation("ProductVersion", "7.0.3")
+ .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+ SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Component", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("ComponentName")
+ .IsRequired()
+ .HasColumnType("nvarchar(max)");
+
+ b.Property("Cost")
+ .HasColumnType("float");
+
+ b.HasKey("Id");
+
+ b.ToTable("Components");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Order", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("Count")
+ .HasColumnType("int");
+
+ b.Property("DateCreate")
+ .HasColumnType("datetime2");
+
+ b.Property("DateImplement")
+ .HasColumnType("datetime2");
+
+ b.Property("ReinforcedId")
+ .HasColumnType("int");
+
+ b.Property("Status")
+ .HasColumnType("int");
+
+ b.Property("Sum")
+ .HasColumnType("float");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ReinforcedId");
+
+ b.ToTable("Orders");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Reinforced", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("Price")
+ .HasColumnType("float");
+
+ b.Property("ReinforcedName")
+ .IsRequired()
+ .HasColumnType("nvarchar(max)");
+
+ b.HasKey("Id");
+
+ b.ToTable("Reinforceds");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.ReinforcedComponent", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("ComponentId")
+ .HasColumnType("int");
+
+ b.Property("Count")
+ .HasColumnType("int");
+
+ b.Property("ReinforcedId")
+ .HasColumnType("int");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ComponentId");
+
+ b.HasIndex("ReinforcedId");
+
+ b.ToTable("ReinforcedComponents");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Shop", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("Address")
+ .IsRequired()
+ .HasColumnType("nvarchar(max)");
+
+ b.Property("DateOpening")
+ .HasColumnType("datetime2");
+
+ b.Property("MaxCountReinforceds")
+ .HasColumnType("int");
+
+ b.Property("Name")
+ .IsRequired()
+ .HasColumnType("nvarchar(max)");
+
+ b.HasKey("Id");
+
+ b.ToTable("Shops");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.ShopReinforced", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("Count")
+ .HasColumnType("int");
+
+ b.Property("ReinforcedId")
+ .HasColumnType("int");
+
+ b.Property("ShopId")
+ .HasColumnType("int");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ReinforcedId");
+
+ b.HasIndex("ShopId");
+
+ b.ToTable("ShopReinforceds");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Order", b =>
+ {
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Models.Reinforced", "Reinforced")
+ .WithMany("Orders")
+ .HasForeignKey("ReinforcedId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.Navigation("Reinforced");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.ReinforcedComponent", b =>
+ {
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Models.Component", "Component")
+ .WithMany("ReinforcedComponents")
+ .HasForeignKey("ComponentId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Models.Reinforced", "Reinfordced")
+ .WithMany("Components")
+ .HasForeignKey("ReinforcedId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.Navigation("Component");
+
+ b.Navigation("Reinfordced");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.ShopReinforced", b =>
+ {
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Models.Reinforced", "Reinforced")
+ .WithMany()
+ .HasForeignKey("ReinforcedId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Shop", "Shop")
+ .WithMany("ShopReinforceds")
+ .HasForeignKey("ShopId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.Navigation("Reinforced");
+
+ b.Navigation("Shop");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Component", b =>
+ {
+ b.Navigation("ReinforcedComponents");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Reinforced", b =>
+ {
+ b.Navigation("Components");
+
+ b.Navigation("Orders");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Shop", b =>
+ {
+ b.Navigation("ShopReinforceds");
+ });
+#pragma warning restore 612, 618
+ }
+ }
+}
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/20230509090707_Create_shop.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/20230509090707_Create_shop.cs
new file mode 100644
index 0000000..555994c
--- /dev/null
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/20230509090707_Create_shop.cs
@@ -0,0 +1,78 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PrecastConcretePlantDatabaseImplement.Migrations
+{
+ ///
+ public partial class Create_shop : Migration
+ {
+ ///
+ protected override void Up(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.CreateTable(
+ name: "Shops",
+ columns: table => new
+ {
+ Id = table.Column(type: "int", nullable: false)
+ .Annotation("SqlServer:Identity", "1, 1"),
+ Name = table.Column(type: "nvarchar(max)", nullable: false),
+ Address = table.Column(type: "nvarchar(max)", nullable: false),
+ MaxCountReinforceds = table.Column(type: "int", nullable: false),
+ DateOpening = table.Column(type: "datetime2", nullable: false)
+ },
+ constraints: table =>
+ {
+ table.PrimaryKey("PK_Shops", x => x.Id);
+ });
+
+ migrationBuilder.CreateTable(
+ name: "ShopReinforceds",
+ columns: table => new
+ {
+ Id = table.Column(type: "int", nullable: false)
+ .Annotation("SqlServer:Identity", "1, 1"),
+ ReinforcedId = table.Column(type: "int", nullable: false),
+ ShopId = table.Column(type: "int", nullable: false),
+ Count = table.Column(type: "int", nullable: false)
+ },
+ constraints: table =>
+ {
+ table.PrimaryKey("PK_ShopReinforceds", x => x.Id);
+ table.ForeignKey(
+ name: "FK_ShopReinforceds_Reinforceds_ReinforcedId",
+ column: x => x.ReinforcedId,
+ principalTable: "Reinforceds",
+ principalColumn: "Id",
+ onDelete: ReferentialAction.Cascade);
+ table.ForeignKey(
+ name: "FK_ShopReinforceds_Shops_ShopId",
+ column: x => x.ShopId,
+ principalTable: "Shops",
+ principalColumn: "Id",
+ onDelete: ReferentialAction.Cascade);
+ });
+
+ migrationBuilder.CreateIndex(
+ name: "IX_ShopReinforceds_ReinforcedId",
+ table: "ShopReinforceds",
+ column: "ReinforcedId");
+
+ migrationBuilder.CreateIndex(
+ name: "IX_ShopReinforceds_ShopId",
+ table: "ShopReinforceds",
+ column: "ShopId");
+ }
+
+ ///
+ protected override void Down(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.DropTable(
+ name: "ShopReinforceds");
+
+ migrationBuilder.DropTable(
+ name: "Shops");
+ }
+ }
+}
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/PrecastConcretePlantDatabaseModelSnapshot.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/PrecastConcretePlantDatabaseModelSnapshot.cs
index 5d1feb7..4c92c7b 100644
--- a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/PrecastConcretePlantDatabaseModelSnapshot.cs
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Migrations/PrecastConcretePlantDatabaseModelSnapshot.cs
@@ -121,6 +121,59 @@ namespace PrecastConcretePlantDatabaseImplement.Migrations
b.ToTable("ReinforcedComponents");
});
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Shop", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("Address")
+ .IsRequired()
+ .HasColumnType("nvarchar(max)");
+
+ b.Property("DateOpening")
+ .HasColumnType("datetime2");
+
+ b.Property("MaxCountReinforceds")
+ .HasColumnType("int");
+
+ b.Property("Name")
+ .IsRequired()
+ .HasColumnType("nvarchar(max)");
+
+ b.HasKey("Id");
+
+ b.ToTable("Shops");
+ });
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.ShopReinforced", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("int");
+
+ SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property("Id"));
+
+ b.Property("Count")
+ .HasColumnType("int");
+
+ b.Property("ReinforcedId")
+ .HasColumnType("int");
+
+ b.Property("ShopId")
+ .HasColumnType("int");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ReinforcedId");
+
+ b.HasIndex("ShopId");
+
+ b.ToTable("ShopReinforceds");
+ });
+
modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Order", b =>
{
b.HasOne("PrecastConcretePlantDatabaseImplement.Models.Reinforced", "Reinforced")
@@ -151,6 +204,25 @@ namespace PrecastConcretePlantDatabaseImplement.Migrations
b.Navigation("Reinfordced");
});
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.ShopReinforced", b =>
+ {
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Models.Reinforced", "Reinforced")
+ .WithMany()
+ .HasForeignKey("ReinforcedId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.HasOne("PrecastConcretePlantDatabaseImplement.Shop", "Shop")
+ .WithMany("ShopReinforceds")
+ .HasForeignKey("ShopId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.Navigation("Reinforced");
+
+ b.Navigation("Shop");
+ });
+
modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Models.Component", b =>
{
b.Navigation("ReinforcedComponents");
@@ -162,6 +234,11 @@ namespace PrecastConcretePlantDatabaseImplement.Migrations
b.Navigation("Orders");
});
+
+ modelBuilder.Entity("PrecastConcretePlantDatabaseImplement.Shop", b =>
+ {
+ b.Navigation("ShopReinforceds");
+ });
#pragma warning restore 612, 618
}
}
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/PrecastConcretePlantDatabase.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/PrecastConcretePlantDatabase.cs
index 49c9a88..51d33ac 100644
--- a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/PrecastConcretePlantDatabase.cs
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/PrecastConcretePlantDatabase.cs
@@ -23,5 +23,7 @@ namespace PrecastConcretePlantDatabaseImplement
public virtual DbSet Reinforceds { set; get; }
public virtual DbSet ReinforcedComponents { set; get; }
public virtual DbSet Orders { set; get; }
+ public virtual DbSet Shops { set; get; }
+ public virtual DbSet ShopReinforceds { set; get; }
}
}
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Shop.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Shop.cs
new file mode 100644
index 0000000..151a050
--- /dev/null
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Shop.cs
@@ -0,0 +1,114 @@
+using PrecastConcretePlantContracts.BindingModels;
+using PrecastConcretePlantContracts.ViewModels;
+using PrecastConcretePlantDataModels;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using PrecastConcretePlantDataModels.Models;
+
+namespace PrecastConcretePlantDatabaseImplement
+{
+ public class Shop : IShopModel
+ {
+ [Required]
+ public string Name { get; private set; } = string.Empty;
+
+ [Required]
+ public string Address { get; private set; } = string.Empty;
+
+ [Required]
+ public int MaxCountReinforceds { get; private set; }
+
+ public DateTime DateOpening { get; private set; }
+
+ private Dictionary? _cachedReinforceds = null;
+ [NotMapped]
+ public Dictionary Reinforceds
+ {
+ get
+ {
+ if (_cachedReinforceds == null)
+ {
+ using var context = new PrecastConcretePlantDatabase();
+ _cachedReinforceds = ShopReinforceds
+ .ToDictionary(x => x.ReinforcedId, x => (context.Reinforceds
+ .FirstOrDefault(y => y.Id == x.ReinforcedId)! as IReinforcedModel, x.Count));
+ }
+ return _cachedReinforceds;
+ }
+ }
+
+ public int Id { get; private set; }
+
+ [ForeignKey("ShopId")]
+ public virtual List ShopReinforceds { get; set; } = new();
+
+ public static Shop? Create(PrecastConcretePlantDatabase context, ShopBindingModel? model)
+ {
+ if (model == null)
+ {
+ return null;
+ }
+ return new Shop()
+ {
+ Id = model.Id,
+ Name = model.Name,
+ Address = model.Address,
+ DateOpening = model.DateOpening,
+ MaxCountReinforceds = model.MaxCountReinforceds,
+ ShopReinforceds = model.Reinforceds.Select(x => new ShopReinforced
+ {
+ Reinforced = context.Reinforceds.FirstOrDefault(y => y.Id == x.Key)!,
+ Count = x.Value.Item2,
+ }).ToList()
+ };
+ }
+ public void Update(ShopBindingModel? model)
+ {
+ if (model == null)
+ {
+ return;
+ }
+ Name = model.Name;
+ Address = model.Address;
+ DateOpening = model.DateOpening;
+ }
+ public ShopViewModel GetViewModel => new()
+ {
+ Id = Id,
+ Name = Name,
+ Address = Address,
+ Reinforceds = Reinforceds,
+ DateOpening = DateOpening,
+ MaxCountReinforceds = MaxCountReinforceds,
+ };
+
+ public void UpdateReinforceds(PrecastConcretePlantDatabase context, ShopBindingModel model)
+ {
+ var shopReinforceds = context.ShopReinforceds
+ .Where(rec => rec.ShopId == model.Id)
+ .ToList();
+ // удалили те, которых нет в модели
+ if (shopReinforceds != null && shopReinforceds.Count > 0)
+ {
+ context.ShopReinforceds
+ .RemoveRange(shopReinforceds
+ .Where(rec => !model.Reinforceds
+ .ContainsKey(rec.ReinforcedId)));
+ // обновили количество у существующих записей
+ foreach (var updateReinforced in shopReinforceds.Where(x => model.Reinforceds.ContainsKey(x.ReinforcedId)))
+ {
+ updateReinforced.Count = model.Reinforceds[updateReinforced.ReinforcedId].Item2;
+ model.Reinforceds.Remove(updateReinforced.ReinforcedId);
+ }
+ }
+ var shop = context.Shops.First(x => x.Id == model.Id);
+ shop.ShopReinforceds.AddRange(model.Reinforceds.Select(x => new ShopReinforced
+ {
+ Reinforced = context.Reinforceds.First(y => y.Id == x.Key),
+ Count = x.Value.Item2,
+ }).Except(shopReinforceds ?? new()));
+ context.SaveChanges();
+ _cachedReinforceds = null;
+ }
+ }
+}
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/ShopReinforced.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/ShopReinforced.cs
new file mode 100644
index 0000000..715a630
--- /dev/null
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/ShopReinforced.cs
@@ -0,0 +1,20 @@
+using PrecastConcretePlantDatabaseImplement.Models;
+using System.ComponentModel.DataAnnotations;
+
+
+namespace PrecastConcretePlantDatabaseImplement
+{
+ public class ShopReinforced
+ {
+ public int Id { get; set; }
+ [Required]
+ public int ReinforcedId { get; set; }
+ [Required]
+ public int ShopId { get; set; }
+ [Required]
+ public int Count { get; set; }
+
+ public virtual Shop Shop { get; set; } = new();
+ public virtual Reinforced Reinforced { get; set; } = new();
+ }
+}
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/ShopStorage.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/ShopStorage.cs
new file mode 100644
index 0000000..13c5cb4
--- /dev/null
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/ShopStorage.cs
@@ -0,0 +1,141 @@
+using Microsoft.EntityFrameworkCore;
+using PrecastConcretePlantContracts.BindingModels;
+using PrecastConcretePlantContracts.SearchModels;
+using PrecastConcretePlantContracts.StoragesContract;
+using PrecastConcretePlantContracts.ViewModels;
+using PrecastConcretePlantDataModels.Models;
+
+namespace PrecastConcretePlantDatabaseImplement
+{
+ public class ShopStorage : IShopStorage
+ {
+
+ public ShopViewModel? Delete(ShopBindingModel model)
+ {
+ using var context = new PrecastConcretePlantDatabase();
+ var element = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+ if (element != null)
+ {
+ context.Shops.Remove(element);
+ context.SaveChanges();
+ return element.GetViewModel;
+ }
+ return null;
+ }
+
+ public ShopViewModel? GetElement(ShopSearchModel model)
+ {
+ if (!model.Id.HasValue)
+ {
+ return null;
+ }
+ using var context = new PrecastConcretePlantDatabase();
+ return context.Shops
+ .Include(x => x.ShopReinforceds)
+ .ThenInclude(x => x.Reinforced)
+ .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+ ?.GetViewModel;
+ }
+
+ public List GetFilteredList(ShopSearchModel model)
+ {
+ if (string.IsNullOrEmpty(model.Name))
+ {
+ return new();
+ }
+ using var context = new PrecastConcretePlantDatabase();
+ return context.Shops
+ .Include(x => x.ShopReinforceds)
+ .ThenInclude(x => x.Reinforced)
+ .Select(x => x.GetViewModel)
+ .Where(x => x.Name.Contains(model.Name ?? string.Empty))
+ .ToList();
+ }
+
+ public List GetFullList()
+ {
+ using var context = new PrecastConcretePlantDatabase();
+ return context.Shops
+ .Include(x => x.ShopReinforceds)
+ .ThenInclude(x => x.Reinforced)
+ .Select(shop => shop.GetViewModel)
+ .ToList();
+ }
+
+ public ShopViewModel? Insert(ShopBindingModel model)
+ {
+ using var context = new PrecastConcretePlantDatabase();
+ using var transaction = context.Database.BeginTransaction();
+ try
+ {
+ var newShop = Shop.Create(context, model);
+ if (newShop == null)
+ {
+ return null;
+ }
+ if (context.Shops.Any(x => x.Name == newShop.Name))
+ {
+ throw new Exception("Не должно быть два магазина с одним названием");
+ }
+ context.Shops.Add(newShop);
+ context.SaveChanges();
+ transaction.Commit();
+ return newShop.GetViewModel;
+ }
+ catch
+ {
+ transaction.Rollback();
+ throw;
+ }
+ }
+
+ public ShopViewModel? Update(ShopBindingModel model)
+ {
+ using var context = new PrecastConcretePlantDatabase();
+ var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+ if (shop == null)
+ {
+ return null;
+ }
+ shop.Update(model);
+ shop.UpdateReinforceds(context, model);
+ context.SaveChanges();
+ return shop.GetViewModel;
+ }
+
+ public bool HasNeedReinforceds(IReinforcedModel reinforced, int needCount)
+ {
+ throw new NotImplementedException();
+ }
+
+ public bool SellReinforceds(IReinforcedModel reinforced, int needCount)
+ {
+ using var context = new PrecastConcretePlantDatabase();
+ using var transaction = context.Database.BeginTransaction();
+ foreach (var sp in context.ShopReinforceds.Where(x => x.ReinforcedId == reinforced.Id))
+ {
+ var res = Math.Min(needCount, sp.Count);
+ sp.Count -= res;
+ needCount -= res;
+ if (sp.Count == 0) // Изделия больше нет в магазине, значит удаляем его
+ {
+ context.ShopReinforceds.Remove(sp);
+ }
+ if (needCount == 0) // Нельзя коммитить изменения в цикле, что использует контекст, поэтому выходим
+ {
+ break;
+ }
+ }
+ if (needCount == 0)
+ {
+ context.SaveChanges();
+ transaction.Commit();
+ }
+ else
+ {
+ transaction.Rollback();
+ }
+ return needCount == 0;
+ }
+ }
+}