LabWork03_Hard

This commit is contained in:
parent 12c34b4097
commit 855bcfd6ec
7 changed files with 834 additions and 0 deletions

View File

@ -45,5 +45,15 @@ namespace AircraftPlantDatabaseImplement
/// Таблица заказов
/// </summary>
public virtual DbSet<Order> Orders { set; get; }
/// <summary>
/// Таблица магазинов
/// </summary>
public virtual DbSet<Shop> Shops { set; get; }
/// <summary>
/// Связь между магазинами и изделиями
/// </summary>
public virtual DbSet<ShopPlane> ShopPlanes { set; get; }
}
}

View File

@ -0,0 +1,218 @@
using AircraftPlantContracts.BindingModels;
using AircraftPlantContracts.SearchModels;
using AircraftPlantContracts.StoragesContracts;
using AircraftPlantContracts.ViewModels;
using AircraftPlantDatabaseImplement.Models;
using AircraftPlantDataModels.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AircraftPlantDatabaseImplement.Implements
{
/// <summary>
/// Реализация интерфейса хранилища для магазинов
/// </summary>
public class ShopStorage : IShopStorage
{
/// <summary>
/// Получение полного списка
/// </summary>
/// <returns></returns>
public List<ShopViewModel> GetFullList()
{
using var context = new AircraftPlantDatabase();
return context.Shops
.Include(x => x.Planes)
.ThenInclude(x => x.Plane)
.ToList()
.Select(x => x.GetViewModel)
.ToList();
}
/// <summary>
/// Получение фильтрованного списка
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.ShopName))
{
return new();
}
using var context = new AircraftPlantDatabase();
return context.Shops
.Include(x => x.Planes)
.ThenInclude(x => x.Plane)
.Where(x => x.ShopName.Contains(model.ShopName))
.ToList()
.Select(x => x.GetViewModel)
.ToList();
}
/// <summary>
/// Получение элемента
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public ShopViewModel? GetElement(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
{
return null;
}
using var context = new AircraftPlantDatabase();
return context.Shops
.Include(x => x.Planes)
.ThenInclude(x => x.Plane)
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ShopName) &&
x.ShopName == model.ShopName) ||
(model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
/// <summary>
/// Добавление элемента
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public ShopViewModel? Insert(ShopBindingModel model)
{
using var context = new AircraftPlantDatabase();
var newShop = Shop.Create(context, model);
if (newShop == null)
{
return null;
}
context.Shops.Add(newShop);
context.SaveChanges();
return newShop.GetViewModel;
}
/// <summary>
/// Редактирование элемента
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public ShopViewModel? Update(ShopBindingModel model)
{
using var context = new AircraftPlantDatabase();
using var transaction = context.Database.BeginTransaction();
try
{
var shop = context.Shops.FirstOrDefault(rec => rec.Id == model.Id);
if (shop == null)
{
return null;
}
shop.Update(model);
context.SaveChanges();
shop.UpdatePlanes(context, model);
transaction.Commit();
return shop.GetViewModel;
}
catch
{
transaction.Rollback();
throw;
}
}
/// <summary>
/// Удаление элемента
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public ShopViewModel? Delete(ShopBindingModel model)
{
using var context = new AircraftPlantDatabase();
var element = context.Shops
.Include(x => x.Planes)
.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Shops.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
/// <summary>
/// Продажа изделий
/// </summary>
/// <param name="model"></param>
/// <param name="count"></param>
/// <returns></returns>
public bool SellPlanes(IPlaneModel model, int count)
{
using var context = new AircraftPlantDatabase();
using var transaction = context.Database.BeginTransaction();
try
{
var shops = context.Shops
.Include(x => x.Planes)
.ThenInclude(x => x.Plane)
.ToList()
.Where(x => x.ShopPlanes.ContainsKey(model.Id));
foreach (var shop in shops)
{
int countInCurrentShop = shop.ShopPlanes[model.Id].Item2;
if (countInCurrentShop <= count)
{
var elem = context.ShopPlanes
.Where(x => x.PlaneId == model.Id)
.FirstOrDefault(x => x.ShopId == shop.Id);
context.ShopPlanes.Remove(elem);
shop.ShopPlanes.Remove(model.Id);
count -= countInCurrentShop;
}
else
{
shop.ShopPlanes[model.Id] = (shop.ShopPlanes[model.Id].Item1, countInCurrentShop - count);
count = 0;
shop.Update(new ShopBindingModel
{
Id = shop.Id,
ShopPlanes = shop.ShopPlanes
});
}
if (count <= 0)
{
context.SaveChanges();
transaction.Commit();
return true;
}
}
transaction.Rollback();
return false;
}
catch
{
transaction.Rollback();
throw;
}
}
/// <summary>
/// Проверка наличия в нужном количестве
/// </summary>
/// <param name="model"></param>
/// <param name="count"></param>
/// <returns></returns>
/// <exception cref="NotImplementedException"></exception>
public bool CheckCount(IPlaneModel model, int count)
{
throw new NotImplementedException();
}
}
}

View File

@ -0,0 +1,246 @@
// <auto-generated />
using System;
using AircraftPlantDatabaseImplement;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
#nullable disable
namespace AircraftPlantDatabaseImplement.Migrations
{
[DbContext(typeof(AircraftPlantDatabase))]
[Migration("20240324224237_HardCreate")]
partial class HardCreate
{
/// <inheritdoc />
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("AircraftPlantDatabaseImplement.Models.Component", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<string>("ComponentName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<double>("Cost")
.HasColumnType("float");
b.HasKey("Id");
b.ToTable("Components");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Order", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<int>("Count")
.HasColumnType("int");
b.Property<DateTime>("DateCreate")
.HasColumnType("datetime2");
b.Property<DateTime?>("DateImplement")
.HasColumnType("datetime2");
b.Property<int>("PlaneId")
.HasColumnType("int");
b.Property<int>("Status")
.HasColumnType("int");
b.Property<double>("Sum")
.HasColumnType("float");
b.HasKey("Id");
b.HasIndex("PlaneId");
b.ToTable("Orders");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Plane", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<string>("PlaneName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<double>("Price")
.HasColumnType("float");
b.HasKey("Id");
b.ToTable("Planes");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.PlaneComponent", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<int>("ComponentId")
.HasColumnType("int");
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("PlaneId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("ComponentId");
b.HasIndex("PlaneId");
b.ToTable("PlaneComponents");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.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<DateTime>("DateOpening")
.HasColumnType("datetime2");
b.Property<int>("MaxPlanes")
.HasColumnType("int");
b.Property<string>("ShopName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.HasKey("Id");
b.ToTable("Shops");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.ShopPlane", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("PlaneId")
.HasColumnType("int");
b.Property<int>("ShopId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("PlaneId");
b.HasIndex("ShopId");
b.ToTable("ShopPlanes");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Order", b =>
{
b.HasOne("AircraftPlantDatabaseImplement.Models.Plane", null)
.WithMany("Orders")
.HasForeignKey("PlaneId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.PlaneComponent", b =>
{
b.HasOne("AircraftPlantDatabaseImplement.Models.Component", "Component")
.WithMany("PlaneComponents")
.HasForeignKey("ComponentId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("AircraftPlantDatabaseImplement.Models.Plane", "Plane")
.WithMany("Components")
.HasForeignKey("PlaneId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Component");
b.Navigation("Plane");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.ShopPlane", b =>
{
b.HasOne("AircraftPlantDatabaseImplement.Models.Plane", "Plane")
.WithMany()
.HasForeignKey("PlaneId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("AircraftPlantDatabaseImplement.Models.Shop", "Shop")
.WithMany("Planes")
.HasForeignKey("ShopId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Plane");
b.Navigation("Shop");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Component", b =>
{
b.Navigation("PlaneComponents");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Plane", b =>
{
b.Navigation("Components");
b.Navigation("Orders");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Shop", b =>
{
b.Navigation("Planes");
});
#pragma warning restore 612, 618
}
}
}

View File

@ -0,0 +1,78 @@
using System;
using Microsoft.EntityFrameworkCore.Migrations;
#nullable disable
namespace AircraftPlantDatabaseImplement.Migrations
{
/// <inheritdoc />
public partial class HardCreate : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "Shops",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
ShopName = table.Column<string>(type: "nvarchar(max)", nullable: false),
Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
DateOpening = table.Column<DateTime>(type: "datetime2", nullable: false),
MaxPlanes = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Shops", x => x.Id);
});
migrationBuilder.CreateTable(
name: "ShopPlanes",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
ShopId = table.Column<int>(type: "int", nullable: false),
PlaneId = table.Column<int>(type: "int", nullable: false),
Count = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_ShopPlanes", x => x.Id);
table.ForeignKey(
name: "FK_ShopPlanes_Planes_PlaneId",
column: x => x.PlaneId,
principalTable: "Planes",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
table.ForeignKey(
name: "FK_ShopPlanes_Shops_ShopId",
column: x => x.ShopId,
principalTable: "Shops",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateIndex(
name: "IX_ShopPlanes_PlaneId",
table: "ShopPlanes",
column: "PlaneId");
migrationBuilder.CreateIndex(
name: "IX_ShopPlanes_ShopId",
table: "ShopPlanes",
column: "ShopId");
}
/// <inheritdoc />
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "ShopPlanes");
migrationBuilder.DropTable(
name: "Shops");
}
}
}

View File

@ -121,6 +121,59 @@ namespace AircraftPlantDatabaseImplement.Migrations
b.ToTable("PlaneComponents");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.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<DateTime>("DateOpening")
.HasColumnType("datetime2");
b.Property<int>("MaxPlanes")
.HasColumnType("int");
b.Property<string>("ShopName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.HasKey("Id");
b.ToTable("Shops");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.ShopPlane", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("PlaneId")
.HasColumnType("int");
b.Property<int>("ShopId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("PlaneId");
b.HasIndex("ShopId");
b.ToTable("ShopPlanes");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Order", b =>
{
b.HasOne("AircraftPlantDatabaseImplement.Models.Plane", null)
@ -149,6 +202,25 @@ namespace AircraftPlantDatabaseImplement.Migrations
b.Navigation("Plane");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.ShopPlane", b =>
{
b.HasOne("AircraftPlantDatabaseImplement.Models.Plane", "Plane")
.WithMany()
.HasForeignKey("PlaneId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("AircraftPlantDatabaseImplement.Models.Shop", "Shop")
.WithMany("Planes")
.HasForeignKey("ShopId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Plane");
b.Navigation("Shop");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Component", b =>
{
b.Navigation("PlaneComponents");
@ -160,6 +232,11 @@ namespace AircraftPlantDatabaseImplement.Migrations
b.Navigation("Orders");
});
modelBuilder.Entity("AircraftPlantDatabaseImplement.Models.Shop", b =>
{
b.Navigation("Planes");
});
#pragma warning restore 612, 618
}
}

View File

@ -0,0 +1,157 @@
using AircraftPlantContracts.BindingModels;
using AircraftPlantContracts.ViewModels;
using AircraftPlantDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
namespace AircraftPlantDatabaseImplement.Models
{
/// <summary>
/// Сущность "Магазин"
/// </summary>
public class Shop : IShopModel
{
/// <summary>
/// Идентификатор
/// </summary>
public int Id { get; set; }
/// <summary>
/// Название магазина
/// </summary>
[Required]
public string ShopName { get; set; } = string.Empty;
/// <summary>
/// Адрес магазина
/// </summary>
[Required]
public string Address { get; set; } = string.Empty;
/// <summary>
/// Дата открытия магазина
/// </summary>
[Required]
public DateTime DateOpening { get; set; }
/// <summary>
/// Коллекция изделий в магазине
/// </summary>
private Dictionary<int, (IPlaneModel, int)>? _shopPlanes = null;
[NotMapped]
public Dictionary<int, (IPlaneModel, int)> ShopPlanes
{
get
{
if (_shopPlanes == null)
{
_shopPlanes = Planes
.ToDictionary(recSP => recSP.PlaneId, recSP => (recSP.Plane as IPlaneModel, recSP.Count));
}
return _shopPlanes;
}
}
/// <summary>
/// Максимальное количество изделий
/// </summary>
public int MaxPlanes { get; set; }
/// <summary>
/// Связь с классом связи магазина и изделий
/// </summary>
[ForeignKey("ShopId")]
public List<ShopPlane> Planes { get; set; } = new();
/// <summary>
/// Создание модели магазина
/// </summary>
/// <param name="context"></param>
/// <param name="model"></param>
/// <returns></returns>
public static Shop Create(AircraftPlantDatabase context, ShopBindingModel model)
{
return new Shop
{
Id = model.Id,
ShopName = model.ShopName,
Address = model.Address,
DateOpening = model.DateOpening,
MaxPlanes = model.MaxPlanes,
Planes = model.ShopPlanes.Select(x => new ShopPlane
{
Plane = context.Planes.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
/// <summary>
/// Изменение модели магазина
/// </summary>
/// <param name="model"></param>
public void Update(ShopBindingModel model)
{
ShopName = model.ShopName;
Address = model.Address;
DateOpening = model.DateOpening;
MaxPlanes = model.MaxPlanes;
}
/// <summary>
/// Получение модели магазина
/// </summary>
public ShopViewModel GetViewModel => new()
{
Id = Id,
ShopName = ShopName,
Address = Address,
DateOpening = DateOpening,
ShopPlanes = ShopPlanes,
MaxPlanes = MaxPlanes
};
/// <summary>
/// Метод обновления списка связей
/// </summary>
/// <param name="context"></param>
/// <param name="model"></param>
public void UpdatePlanes(AircraftPlantDatabase context, ShopBindingModel model)
{
var shopPlanes = context.ShopPlanes.Where(rec => rec.ShopId == model.Id).ToList();
if (shopPlanes != null && shopPlanes.Count > 0)
{
// Удаление изделий, которых нет в магазине
context.ShopPlanes.RemoveRange(shopPlanes.Where(rec => !model.ShopPlanes.ContainsKey(rec.PlaneId)));
context.SaveChanges();
// Обновление количества у существующих записей
foreach (var updatePlanes in shopPlanes)
{
updatePlanes.Count = model.ShopPlanes[updatePlanes.PlaneId].Item2;
model.ShopPlanes.Remove(updatePlanes.PlaneId);
}
context.SaveChanges();
}
var shop = context.Shops.First(x => x.Id == Id);
foreach (var sp in model.ShopPlanes)
{
context.ShopPlanes.Add(new ShopPlane
{
Shop = shop,
Plane = context.Planes.First(x => x.Id == sp.Key),
Count = sp.Value.Item2
});
context.SaveChanges();
}
_shopPlanes = null;
}
}
}

View File

@ -0,0 +1,48 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AircraftPlantDatabaseImplement.Models
{
/// <summary>
/// Класс для связи магазина и изделия
/// </summary>
public class ShopPlane
{
/// <summary>
/// Идентификатор
/// </summary>
public int Id { get; set; }
/// <summary>
/// Идентификатор магазина
/// </summary>
[Required]
public int ShopId { get; set; }
/// <summary>
/// Идентификатор изделия
/// </summary>
[Required]
public int PlaneId { get; set; }
/// <summary>
/// Количество изделий
/// </summary>
[Required]
public int Count { get; set; }
/// <summary>
/// Магазин
/// </summary>
public virtual Shop Shop { get; set; } = new();
/// <summary>
/// Изделие
/// </summary>
public virtual Plane Plane { get; set; } = new();
}
}