gaillard/PIbd-23-Nasyrov-A.G.-FlowerShop
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скоро доделаю

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This commit is contained in:
antoc0der 2024-03-24 17:46:41 +04:00
parent a5d27523b9
commit 5c68793715
9 changed files with 301 additions and 463 deletions
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4
FlowerShopDatabaseImplement/Flower.cs
View File

@ -39,6 +39,8 @@ namespace FlowerShopDatabaseImplement.Models
public virtual List<FlowerComponent> Components { get; set; } = new();
[ForeignKey("FlowerId")]
public virtual List<Order> Orders { get; set; } = new();
[ForeignKey("FlowerId")]
public virtual List<ShopFlower> ShopFlowers { get; set; } = new();
public static Flower Create(FlowerShopDataBase context, FlowerBindingModel model)
{
return new Flower()
@ -68,7 +70,7 @@ namespace FlowerShopDatabaseImplement.Models
public void UpdateComponents(FlowerShopDataBase context, FlowerBindingModel model)
{
var flowerComponents = context.FlowerComponents.Where(rec =>rec.FlowerId == model.Id).ToList();
if (flowerComponents != null && FlowerComponents.Count > 0)
if (flowerComponents != null && flowerComponents.Count > 0)
{
context.FlowerComponents.RemoveRange(flowerComponents.Where(rec => !model.FlowerComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();

4
FlowerShopDatabaseImplement/FlowerShopDataBase.cs
View File

@ -14,7 +14,7 @@ namespace FlowerShopDatabaseImplement
{
if (optionsBuilder.IsConfigured == false)
{
optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=FlowerShopDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=FlowerShopHardDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
}
base.OnConfiguring(optionsBuilder);
}
@ -22,5 +22,7 @@ namespace FlowerShopDatabaseImplement
public virtual DbSet<Flower> Flowers { set; get; }
public virtual DbSet<FlowerComponent> FlowerComponents { set; get; }
public virtual DbSet<Order> Orders { set; get; }
public virtual DbSet<Shop> Shops { set; get; }
public virtual DbSet<ShopFlower> ShopFlowers { set; get; }
}
}

168
FlowerShopDatabaseImplement/Migrations/20240312171524_InitialCreate.Designer.cs generated
View File

@ -1,168 +0,0 @@
// <auto-generated />
using System;
using FlowerShopDatabaseImplement;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
#nullable disable
namespace FlowerShopDatabaseImplement.Migrations
{
[DbContext(typeof(FlowerShopDataBase))]
[Migration("20240312171524_InitialCreate")]
partial class InitialCreate
{
protected override void BuildTargetModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "6.0.0")
.HasAnnotation("Relational:MaxIdentifierLength", 128);
SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<string>("ComponentName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<double>("Cost")
.HasColumnType("float");
b.HasKey("Id");
b.ToTable("Components");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<string>("FlowerName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<double>("Price")
.HasColumnType("float");
b.HasKey("Id");
b.ToTable("Flowers");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<int>("ComponentId")
.HasColumnType("int");
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("FlowerId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("ComponentId");
b.HasIndex("FlowerId");
b.ToTable("FlowerComponents");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Order", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<int>("Count")
.HasColumnType("int");
b.Property<DateTime>("DateCreate")
.HasColumnType("datetime2");
b.Property<DateTime?>("DateImplement")
.HasColumnType("datetime2");
b.Property<int>("FlowerId")
.HasColumnType("int");
b.Property<int>("Status")
.HasColumnType("int");
b.Property<double>("Sum")
.HasColumnType("float");
b.HasKey("Id");
b.HasIndex("FlowerId");
b.ToTable("Orders");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
{
b.HasOne("FlowerShopDatabaseImplement.Models.Component", "Component")
.WithMany("FlowerComponents")
.HasForeignKey("ComponentId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
.WithMany("Components")
.HasForeignKey("FlowerId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Component");
b.Navigation("Flower");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Order", b =>
{
b.HasOne("FlowerShopDatabaseImplement.Models.Flower", null)
.WithMany("Orders")
.HasForeignKey("FlowerId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
{
b.Navigation("FlowerComponents");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
{
b.Navigation("Components");
b.Navigation("Orders");
});
#pragma warning restore 612, 618
}
}
}

122
FlowerShopDatabaseImplement/Migrations/20240312171524_InitialCreate.cs
View File

@ -1,122 +0,0 @@
using System;
using Microsoft.EntityFrameworkCore.Migrations;
#nullable disable
namespace FlowerShopDatabaseImplement.Migrations
{
public partial class InitialCreate : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "Components",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
ComponentName = table.Column<string>(type: "nvarchar(max)", nullable: false),
Cost = table.Column<double>(type: "float", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Components", x => x.Id);
});
migrationBuilder.CreateTable(
name: "Flowers",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
FlowerName = table.Column<string>(type: "nvarchar(max)", nullable: false),
Price = table.Column<double>(type: "float", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Flowers", x => x.Id);
});
migrationBuilder.CreateTable(
name: "FlowerComponents",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
FlowerId = table.Column<int>(type: "int", nullable: false),
ComponentId = table.Column<int>(type: "int", nullable: false),
Count = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_FlowerComponents", x => x.Id);
table.ForeignKey(
name: "FK_FlowerComponents_Components_ComponentId",
column: x => x.ComponentId,
principalTable: "Components",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
table.ForeignKey(
name: "FK_FlowerComponents_Flowers_FlowerId",
column: x => x.FlowerId,
principalTable: "Flowers",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateTable(
name: "Orders",
columns: table => new
{
Id = table.Column<int>(type: "int", nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
Count = table.Column<int>(type: "int", nullable: false),
Sum = table.Column<double>(type: "float", nullable: false),
Status = table.Column<int>(type: "int", nullable: false),
DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true),
FlowerId = table.Column<int>(type: "int", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Orders", x => x.Id);
table.ForeignKey(
name: "FK_Orders_Flowers_FlowerId",
column: x => x.FlowerId,
principalTable: "Flowers",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateIndex(
name: "IX_FlowerComponents_ComponentId",
table: "FlowerComponents",
column: "ComponentId");
migrationBuilder.CreateIndex(
name: "IX_FlowerComponents_FlowerId",
table: "FlowerComponents",
column: "FlowerId");
migrationBuilder.CreateIndex(
name: "IX_Orders_FlowerId",
table: "Orders",
column: "FlowerId");
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "FlowerComponents");
migrationBuilder.DropTable(
name: "Orders");
migrationBuilder.DropTable(
name: "Components");
migrationBuilder.DropTable(
name: "Flowers");
}
}
}

166
FlowerShopDatabaseImplement/Migrations/FlowerShopDataBaseModelSnapshot.cs
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@ -1,166 +0,0 @@
// <auto-generated />
using System;
using FlowerShopDatabaseImplement;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
#nullable disable
namespace FlowerShopDatabaseImplement.Migrations
{
[DbContext(typeof(FlowerShopDataBase))]
partial class FlowerShopDataBaseModelSnapshot : ModelSnapshot
{
protected override void BuildModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "6.0.0")
.HasAnnotation("Relational:MaxIdentifierLength", 128);
SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<string>("ComponentName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<double>("Cost")
.HasColumnType("float");
b.HasKey("Id");
b.ToTable("Components");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<string>("FlowerName")
.IsRequired()
.HasColumnType("nvarchar(max)");
b.Property<double>("Price")
.HasColumnType("float");
b.HasKey("Id");
b.ToTable("Flowers");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<int>("ComponentId")
.HasColumnType("int");
b.Property<int>("Count")
.HasColumnType("int");
b.Property<int>("FlowerId")
.HasColumnType("int");
b.HasKey("Id");
b.HasIndex("ComponentId");
b.HasIndex("FlowerId");
b.ToTable("FlowerComponents");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Order", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int");
SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
b.Property<int>("Count")
.HasColumnType("int");
b.Property<DateTime>("DateCreate")
.HasColumnType("datetime2");
b.Property<DateTime?>("DateImplement")
.HasColumnType("datetime2");
b.Property<int>("FlowerId")
.HasColumnType("int");
b.Property<int>("Status")
.HasColumnType("int");
b.Property<double>("Sum")
.HasColumnType("float");
b.HasKey("Id");
b.HasIndex("FlowerId");
b.ToTable("Orders");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
{
b.HasOne("FlowerShopDatabaseImplement.Models.Component", "Component")
.WithMany("FlowerComponents")
.HasForeignKey("ComponentId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
.WithMany("Components")
.HasForeignKey("FlowerId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Component");
b.Navigation("Flower");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Order", b =>
{
b.HasOne("FlowerShopDatabaseImplement.Models.Flower", null)
.WithMany("Orders")
.HasForeignKey("FlowerId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
{
b.Navigation("FlowerComponents");
});
modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
{
b.Navigation("Components");
b.Navigation("Orders");
});
#pragma warning restore 612, 618
}
}
}

9
FlowerShopDatabaseImplement/OrderStorage.cs
View File

@ -29,7 +29,7 @@ namespace FlowerShopDatabaseImplement.Implements
return new();
}
using var context = new FlowerShopDataBase();
return context.Orders
return context.Orders.Include(x => x.Flower)
.Where(x => x.Id == model.Id)
.Select(x => AccessFlowerStorage(x.GetViewModel))
.ToList();
@ -41,7 +41,7 @@ namespace FlowerShopDatabaseImplement.Implements
return null;
}
using var context = new FlowerShopDataBase();
return AccessFlowerStorage(context.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel);
return AccessFlowerStorage(context.Orders.Include(x => x.Flower).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel);
}
public OrderViewModel? Insert(OrderBindingModel model)
{
@ -58,8 +58,7 @@ namespace FlowerShopDatabaseImplement.Implements
public OrderViewModel? Update(OrderBindingModel model)
{
using var context = new FlowerShopDataBase();
var order = context.Orders.FirstOrDefault(x => x.Id ==
model.Id);
var order = context.Orders.Include(x => x.Flower).FirstOrDefault(x => x.Id == model.Id);
if (order == null)
{
return null;
@ -71,7 +70,7 @@ namespace FlowerShopDatabaseImplement.Implements
public OrderViewModel? Delete(OrderBindingModel model)
{
using var context = new FlowerShopDataBase();
var element = context.Orders.FirstOrDefault(rec => rec.Id ==
var element = context.Orders.Include(x => x.Flower).FirstOrDefault(rec => rec.Id ==
model.Id);
if (element != null)
{

116
FlowerShopDatabaseImplement/Shop.cs Normal file
View File

@ -0,0 +1,116 @@
using FlowerShopContracts.BindingModels;
using FlowerShopContracts.ViewModels;
using FlowerShopDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FlowerShopDatabaseImplement.Models
{
public class Shop : IShopModel
{
public int Id { get; private set; }
[Required]
public string ShopName { get; private set; }
[Required]
public string Address { get; private set; }
[Required]
public DateTime DateOpen { get; private set; }
[Required]
public int MaxCapacity { get; private set; }
private Dictionary<int, (IFlowerModel, int)>? _shopFlowers =
null;
[NotMapped]
public Dictionary<int, (IFlowerModel, int)> ShopFlowers
{
get
{
if (_shopFlowers == null)
{
_shopFlowers = Flowers
.ToDictionary(x => x.FlowerId, x =>
(x.Flower as IFlowerModel, x.Count));
}
return _shopFlowers;
}
}
[ForeignKey("ShopId")]
public virtual List<ShopFlower> Flowers { get; set; } = new();
public static Shop? Create(FlowerShopDataBase context, ShopBindingModel model)
{
if (model == null)
return null;
return new Shop()
{
Id = model.Id,
ShopName = model.ShopName,
Address = model.Address,
DateOpen = model.DateOpen,
MaxCapacity = model.MaxCapacity,
Flowers = model.ShopFlowers.Select(x => new
ShopFlower
{
Flower = context.Flowers.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(ShopBindingModel? model)
{
if (model == null)
{
return;
}
ShopName = model.ShopName;
Address = model.Address;
DateOpen = model.DateOpen;
MaxCapacity = model.MaxCapacity;
}
public ShopViewModel GetViewModel => new()
{
Id = Id,
ShopName = ShopName,
Address = Address,
DateOpen = DateOpen,
ShopFlowers = ShopFlowers,
MaxCapacity = MaxCapacity
};
public void UpdateFlowers(FlowerShopDataBase context, ShopBindingModel model)
{
var shopFlowers = context.ShopFlowers.Where(rec =>
rec.ShopId == model.Id).ToList();
if (shopFlowers != null && shopFlowers.Count > 0)
{
context.ShopFlowers.RemoveRange(shopFlowers.Where(rec => !model.ShopFlowers.ContainsKey(rec.ShopId)));
context.SaveChanges();
foreach (var updateFlower in shopFlowers)
{
updateFlower.Count =
model.ShopFlowers[updateFlower.FlowerId].Item2;
model.ShopFlowers.Remove(updateFlower.FlowerId);
}
context.SaveChanges();
}
var shop = context.Shops.First(x => x.Id == Id);
foreach (var pc in model.ShopFlowers)
{
context.ShopFlowers.Add(new ShopFlower
{
Shop = shop,
Flower = context.Flowers.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_shopFlowers = null;
}
}
}

22
FlowerShopDatabaseImplement/ShopFlower.cs Normal file
View File

@ -0,0 +1,22 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FlowerShopDatabaseImplement.Models
{
public class ShopFlower
{
public int Id { get; set; }
[Required]
public int FlowerId { get; set; }
[Required]
public int ShopId { get; set; }
[Required]
public int Count { get; set; }
public virtual Shop Shop { get; set; } = new();
public virtual Flower Flower { get; set; } = new();
}
}

153
FlowerShopDatabaseImplement/ShopStorage.cs Normal file
View File

@ -0,0 +1,153 @@
using FlowerShopContracts.BindingModels;
using FlowerShopContracts.SearchModels;
using FlowerShopContracts.StoragesContracts;
using FlowerShopContracts.ViewModels;
using FlowerShopDatabaseImplement.Models;
using FlowerShopDataModels.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FlowerShopDatabaseImplement.Implements
{
public class ShopStorage : IShopStorage
{
public ShopViewModel? Delete(ShopBindingModel model)
{
using var context = new FlowerShopDataBase();
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 (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
{
return null;
}
using var context = new FlowerShopDataBase();
return context.Shops
.Include(x => x.Flowers)
.ThenInclude(x => x.Flower)
.FirstOrDefault(x => 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 FlowerShopDataBase();
return context.Shops
.Include(x => x.Flowers)
.ThenInclude(x => x.Flower)
.Select(x => x.GetViewModel)
.Where(x => x.ShopName.Contains(model.Name ?? string.Empty))
.ToList();
}
public List<ShopViewModel> GetFullList()
{
using var context = new FlowerShopDataBase();
return context.Shops
.Include(x => x.Flowers)
.ThenInclude(x => x.Flower)
.Select(x => x.GetViewModel)
.ToList();
}
public ShopViewModel? Insert(ShopBindingModel model)
{
using var context = new FlowerShopDataBase();
try
{
var newShop = Shop.Create(context, model);
if (newShop == null)
{
return null;
}
if (context.Shops.Any(x => x.ShopName == newShop.ShopName))
{
throw new Exception("Не должно быть два магазина с одним названием");
}
context.Shops.Add(newShop);
context.SaveChanges();
return newShop.GetViewModel;
}
catch
{
throw;
}
}
public ShopViewModel? Update(ShopBindingModel model)
{
using var context = new FlowerShopDataBase();
var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
if (shop == null)
{
return null;
}
try
{
if (context.Shops.Any(x => (x.ShopName == model.ShopName && x.Id != model.Id)))
{
throw new Exception("Не должно быть два магазина с одним названием");
}
shop.Update(model);
shop.UpdateFlowers(context, model);
context.SaveChanges();
return shop.GetViewModel;
}
catch
{
throw;
}
}
public bool SellFlowers(IFlowerModel model, int count)
{
if (model == null)
return false;
using var context = new FlowerShopDataBase();
using var transaction = context.Database.BeginTransaction();
List<ShopFlower> lst = new List<ShopFlower>();
foreach (var el in context.ShopFlowers.Where(x => x.FlowerId == model.Id))
{
int dif = count;
if (el.Count < dif)
dif = el.Count;
el.Count -= dif;
count -= dif;
if (el.Count == 0)
{
lst.Add(el);
}
if (count == 0)
break;
}
if (count > 0)
{
transaction.Rollback();
return false;
}
foreach (var el in lst)
{
context.ShopFlowers.Remove(el);
}
context.SaveChanges();
transaction.Commit();
return true;
}
}
}