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LabWork03_Hard: Работа готова, возможны фиксы

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Safgerd 2023-03-27 02:56:45 +04:00
parent 8eee047a99
commit 9de5f87f2a
8 changed files with 503 additions and 3 deletions
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2
AutomobilePlant/AutomobilePlantDatabaseImplement/AutomobilePlantDatabase.cs
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@ -24,5 +24,7 @@ namespace AutomobilePlantDatabaseImplement
public virtual DbSet<Car> Cars { set; get; }
public virtual DbSet<CarComponent> CarComponents { set; get; }
public virtual DbSet<Order> Orders { set; get; }
public virtual DbSet<Shop> Shops { set; get; }
public virtual DbSet<ShopCar> ShopCars { set; get; }
}
}

4
AutomobilePlant/AutomobilePlantDatabaseImplement/AutomobilePlantDatabaseImplement.csproj
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@ -20,4 +20,8 @@
<ProjectReference Include="..\AutomobilePlantDataModels\AutomobilePlantDataModels.csproj" />
</ItemGroup>
<ItemGroup>
<Folder Include="Migrations\" />
</ItemGroup>
</Project>

140
AutomobilePlant/AutomobilePlantDatabaseImplement/Implements/ShopStorage.cs Normal file
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@ -0,0 +1,140 @@
using AutomobilePlantContracts.BindingModels;
using AutomobilePlantContracts.SearchModels;
using AutomobilePlantContracts.StorageContracts;
using AutomobilePlantContracts.ViewModels;
using AutomobilePlantDatabaseImplement.Models;
using AutomobilePlantDataModels.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AutomobilePlantDatabaseImplement.Implements
{
public class ShopStorage : IShopStorage
{
public ShopViewModel? GetElement(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
{
return new();
}
using var context = new AutomobilePlantDatabase();
return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).FirstOrDefault(x =>
(!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) ||
(model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name))
{
return new();
}
using var context = new AutomobilePlantDatabase();
return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).Where(x => x.Name.Contains(model.Name)).ToList().Select(x => x.GetViewModel).ToList();
}
public List<ShopViewModel> GetFullList()
{
using var context = new AutomobilePlantDatabase();
return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).ToList().Select(x => x.GetViewModel).ToList();
}
public ShopViewModel? Insert(ShopBindingModel model)
{
using var context = new AutomobilePlantDatabase();
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("Название магазина уже занято");
}
context.Shops.Add(newShop);
context.SaveChanges();
transaction.Commit();
return newShop.GetViewModel;
}
catch
{
transaction.Rollback();
throw;
}
}
public ShopViewModel? Update(ShopBindingModel model)
{
using var context = new AutomobilePlantDatabase();
using var transaction = context.Database.BeginTransaction();
try
{
var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
if (shop == null)
{
return null;
}
shop.Update(model);
context.SaveChanges();
shop.UpdateCars(context, model);
transaction.Commit();
return shop.GetViewModel;
}
catch
{
transaction.Rollback();
throw;
}
}
public ShopViewModel? Delete(ShopBindingModel model)
{
using var context = new AutomobilePlantDatabase();
var shop = context.Shops.Include(x => x.Cars).FirstOrDefault(x => x.Id == model.Id);
if (shop != null)
{
context.Shops.Remove(shop);
context.SaveChanges();
return shop.GetViewModel;
}
return null;
}
public bool SellCar(ICarModel model, int count)
{
using var context = new AutomobilePlantDatabase();
using var transaction = context.Database.BeginTransaction();
foreach (var shopCars in context.ShopCars.Where(x => x.CarId == model.Id))
{
var min = Math.Min(count, shopCars.Count);
shopCars.Count -= min;
count -= min;
if (count <= 0)
{
break;
}
}
if (count == 0)
{
context.SaveChanges();
transaction.Commit();
}
else
{
transaction.Rollback();
}
if (count > 0)
{
return false;
}
return true;
}
}
}

81
AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20230312012119_InitialCreate.Designer.cs → AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20230326225239_ShopsAdded.Designer.cs generated
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@ -12,8 +12,8 @@ using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
namespace AutomobilePlantDatabaseImplement.Migrations
{
[DbContext(typeof(AutomobilePlantDatabase))]
[Migration("20230312012119_InitialCreate")]
partial class InitialCreate
[Migration("20230326225239_ShopsAdded")]
partial class ShopsAdded
{
/// <inheritdoc />
protected override void BuildTargetModel(ModelBuilder modelBuilder)
@ -124,6 +124,59 @@ namespace AutomobilePlantDatabaseImplement.Migrations
b.ToTable("Orders");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<string>("Address")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<int>("MaxCountCars")
.HasColumnType("int");
b.Property<string>("Name")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<DateTime>("OpeningDate")
.HasColumnType("datetime2");
b.HasKey("Id");
b.ToTable("Shops");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<int>("CarId")
.HasColumnType("int");
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("ShopId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("CarId");
b.HasIndex("ShopId");
b.ToTable("ShopCars");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
{
b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
@ -154,6 +207,25 @@ namespace AutomobilePlantDatabaseImplement.Migrations
b.Navigation("Car");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
{
b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
.WithMany()
.HasForeignKey("CarId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("AutomobilePlantDatabaseImplement.Models.Shop", "Shop")
.WithMany("Cars")
.HasForeignKey("ShopId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Car");
b.Navigation("Shop");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
{
b.Navigation("Components");
@ -165,6 +237,11 @@ namespace AutomobilePlantDatabaseImplement.Migrations
{
b.Navigation("CarComponents");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
{
b.Navigation("Cars");
});
#pragma warning restore 612, 618
}
}

61
AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20230312012119_InitialCreate.cs → AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20230326225239_ShopsAdded.cs
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@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Migrations;
namespace AutomobilePlantDatabaseImplement.Migrations
{
/// <inheritdoc />
public partial class InitialCreate : Migration
public partial class ShopsAdded : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
@ -39,6 +39,22 @@ namespace AutomobilePlantDatabaseImplement.Migrations
table.PrimaryKey("PK_Components", x => x.Id);
});
migrationBuilder.CreateTable(
name: "Shops",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
OpeningDate = table.Column<DateTime>(type: "datetime2", nullable: false),
MaxCountCars = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Shops", x => x.Id);
});
migrationBuilder.CreateTable(
name: "Orders",
columns: table => new
@ -90,6 +106,33 @@ namespace AutomobilePlantDatabaseImplement.Migrations
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateTable(
name: "ShopCars",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
CarId = table.Column<int>(type: "int", nullable: false),
ShopId = table.Column<int>(type: "int", nullable: false),
Count = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_ShopCars", x => x.Id);
table.ForeignKey(
name: "FK_ShopCars_Cars_CarId",
column: x => x.CarId,
principalTable: "Cars",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
table.ForeignKey(
name: "FK_ShopCars_Shops_ShopId",
column: x => x.ShopId,
principalTable: "Shops",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateIndex(
name: "IX_CarComponents_CarId",
table: "CarComponents",
@ -104,6 +147,16 @@ namespace AutomobilePlantDatabaseImplement.Migrations
name: "IX_Orders_CarId",
table: "Orders",
column: "CarId");
migrationBuilder.CreateIndex(
name: "IX_ShopCars_CarId",
table: "ShopCars",
column: "CarId");
migrationBuilder.CreateIndex(
name: "IX_ShopCars_ShopId",
table: "ShopCars",
column: "ShopId");
}
/// <inheritdoc />
@ -115,11 +168,17 @@ namespace AutomobilePlantDatabaseImplement.Migrations
migrationBuilder.DropTable(
name: "Orders");
migrationBuilder.DropTable(
name: "ShopCars");
migrationBuilder.DropTable(
name: "Components");
migrationBuilder.DropTable(
name: "Cars");
migrationBuilder.DropTable(
name: "Shops");
}
}
}

77
AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/AutomobilePlantDatabaseModelSnapshot.cs
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@ -121,6 +121,59 @@ namespace AutomobilePlantDatabaseImplement.Migrations
b.ToTable("Orders");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<string>("Address")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<int>("MaxCountCars")
.HasColumnType("int");
b.Property<string>("Name")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<DateTime>("OpeningDate")
.HasColumnType("datetime2");
b.HasKey("Id");
b.ToTable("Shops");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<int>("CarId")
.HasColumnType("int");
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("ShopId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("CarId");
b.HasIndex("ShopId");
b.ToTable("ShopCars");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
{
b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
@ -151,6 +204,25 @@ namespace AutomobilePlantDatabaseImplement.Migrations
b.Navigation("Car");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
{
b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
.WithMany()
.HasForeignKey("CarId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("AutomobilePlantDatabaseImplement.Models.Shop", "Shop")
.WithMany("Cars")
.HasForeignKey("ShopId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Car");
b.Navigation("Shop");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
{
b.Navigation("Components");
@ -162,6 +234,11 @@ namespace AutomobilePlantDatabaseImplement.Migrations
{
b.Navigation("CarComponents");
});
modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
{
b.Navigation("Cars");
});
#pragma warning restore 612, 618
}
}

113
AutomobilePlant/AutomobilePlantDatabaseImplement/Models/Shop.cs Normal file
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@ -0,0 +1,113 @@
using AutomobilePlantContracts.BindingModels;
using AutomobilePlantContracts.ViewModels;
using AutomobilePlantDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AutomobilePlantDatabaseImplement.Models
{
public class Shop : IShopModel
{
public int Id { get; set; }
[Required]
public string Name { get; set; } = string.Empty;
[Required]
public string Address { get; set; } = string.Empty;
[Required]
public DateTime OpeningDate { get; set; }
[ForeignKey("ShopId")]
public List<ShopCar> Cars { get; set; } = new();
private Dictionary<int, (ICarModel, int)>? _shopCars = null;
[NotMapped]
public Dictionary<int, (ICarModel, int)> ShopCars
{
get
{
if (_shopCars == null)
{
_shopCars = Cars.ToDictionary(recPC => recPC.CarId, recPC => (recPC.Car as ICarModel, recPC.Count));
}
return _shopCars;
}
}
[Required]
public int MaxCountCars { get; set; }
public static Shop Create(AutomobilePlantDatabase context, ShopBindingModel model)
{
return new Shop()
{
Id = model.Id,
Name = model.Name,
Address = model.Address,
OpeningDate = model.OpeningDate,
Cars = model.ShopCars.Select(x => new ShopCar
{
Car = context.Cars.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList(),
MaxCountCars = model.MaxCountCars
};
}
public void Update(ShopBindingModel model)
{
Name = model.Name;
Address = model.Address;
OpeningDate = model.OpeningDate;
MaxCountCars = model.MaxCountCars;
}
public ShopViewModel GetViewModel => new()
{
Id = Id,
Name = Name,
Address = Address,
OpeningDate = OpeningDate,
ShopCars = ShopCars,
MaxCountCars = MaxCountCars
};
public void UpdateCars(AutomobilePlantDatabase context, ShopBindingModel model)
{
var ShopCars = context.ShopCars.Where(rec => rec.ShopId == model.Id).ToList();
if (ShopCars != null && ShopCars.Count > 0)
{
// удалили те, которых нет в модели
context.ShopCars.RemoveRange(ShopCars.Where(rec => !model.ShopCars.ContainsKey(rec.CarId)));
context.SaveChanges();
ShopCars = context.ShopCars.Where(rec => rec.ShopId == model.Id).ToList();
// обновили количество у существующих записей
foreach (var updateCar in ShopCars)
{
updateCar.Count = model.ShopCars[updateCar.CarId].Item2;
model.ShopCars.Remove(updateCar.CarId);
}
context.SaveChanges();
}
var shop = context.Shops.First(x => x.Id == Id);
foreach (var elem in model.ShopCars)
{
context.ShopCars.Add(new ShopCar
{
Shop = shop,
Car = context.Cars.First(x => x.Id == elem.Key),
Count = elem.Value.Item2
});
context.SaveChanges();
}
_shopCars = null;
}
}
}

28
AutomobilePlant/AutomobilePlantDatabaseImplement/Models/ShopCar.cs Normal file
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@ -0,0 +1,28 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Reflection.Metadata;
using System.Text;
using System.Threading.Tasks;
namespace AutomobilePlantDatabaseImplement.Models
{
public class ShopCar
{
public int Id { get; set; }
[Required]
public int CarId { get; set; }
[Required]
public int ShopId { get; set; }
[Required]
public int Count { get; set; }
public virtual Shop Shop { get; set; } = new();
public virtual Car Car { get; set; } = new();
}
}