Update migration

ComputerShopDatabaseImplement/Migrations/20240430190807_ForeignKey-fix.Designer.cs

@@ -0,0 +1,524 @@
+// <auto-generated />
+using System;
+using ComputerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerShopDatabase))]
+    [Migration("20240430190807_ForeignKey-fix")]
+    partial class ForeignKeyfix
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.18")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("AssemblyName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Assemblies");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssemblyId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("AssemblyComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int?>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Warranty")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ShipmentId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("DateRequest")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssemblyId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Requests");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("RequestId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("RequestId");
+
+                    b.ToTable("RequestOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateShipment")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("ProviderName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ShipmentId");
+
+                    b.ToTable("ShipmentOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Role")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Assemblies")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany("Components")
+                        .HasForeignKey("AssemblyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("AssemblyComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Components")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
+                        .WithMany("Products")
+                        .HasForeignKey("ShipmentId");
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Proucts")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Shipment");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ProductComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany("Requests")
+                        .HasForeignKey("AssemblyId");
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany("Requests")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Requests")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Request", "Request")
+                        .WithMany("Orders")
+                        .HasForeignKey("RequestId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Request");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany("Shipments")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Shipments")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
+                        .WithMany("Orders")
+                        .HasForeignKey("ShipmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Shipment");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Requests");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("AssemblyComponents");
+
+                    b.Navigation("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("Requests");
+
+                    b.Navigation("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Navigation("Orders");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.User", b =>
+                {
+                    b.Navigation("Assemblies");
+
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+
+                    b.Navigation("Proucts");
+
+                    b.Navigation("Requests");
+
+                    b.Navigation("Shipments");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

ComputerShopDatabaseImplement/Migrations/20240430190807_ForeignKey-fix.cs

@@ -0,0 +1,128 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class ForeignKeyfix : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_AssemblyComponents_Assemblies_ComponentId",
+                table: "AssemblyComponents");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_ProductComponents_Components_ComponentId1",
+                table: "ProductComponents");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_ProductComponents_Products_ComponentId",
+                table: "ProductComponents");
+
+            migrationBuilder.DropIndex(
+                name: "IX_ProductComponents_ComponentId1",
+                table: "ProductComponents");
+
+            migrationBuilder.DropColumn(
+                name: "ComponentId1",
+                table: "ProductComponents");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ProductId",
+                table: "ProductComponents",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AssemblyComponents_AssemblyId",
+                table: "AssemblyComponents",
+                column: "AssemblyId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_AssemblyComponents_Assemblies_AssemblyId",
+                table: "AssemblyComponents",
+                column: "AssemblyId",
+                principalTable: "Assemblies",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ProductComponents_Components_ComponentId",
+                table: "ProductComponents",
+                column: "ComponentId",
+                principalTable: "Components",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ProductComponents_Products_ProductId",
+                table: "ProductComponents",
+                column: "ProductId",
+                principalTable: "Products",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_AssemblyComponents_Assemblies_AssemblyId",
+                table: "AssemblyComponents");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_ProductComponents_Components_ComponentId",
+                table: "ProductComponents");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_ProductComponents_Products_ProductId",
+                table: "ProductComponents");
+
+            migrationBuilder.DropIndex(
+                name: "IX_ProductComponents_ProductId",
+                table: "ProductComponents");
+
+            migrationBuilder.DropIndex(
+                name: "IX_AssemblyComponents_AssemblyId",
+                table: "AssemblyComponents");
+
+            migrationBuilder.AddColumn<int>(
+                name: "ComponentId1",
+                table: "ProductComponents",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ComponentId1",
+                table: "ProductComponents",
+                column: "ComponentId1");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_AssemblyComponents_Assemblies_ComponentId",
+                table: "AssemblyComponents",
+                column: "ComponentId",
+                principalTable: "Assemblies",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ProductComponents_Components_ComponentId1",
+                table: "ProductComponents",
+                column: "ComponentId1",
+                principalTable: "Components",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ProductComponents_Products_ComponentId",
+                table: "ProductComponents",
+                column: "ComponentId",
+                principalTable: "Products",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}

ComputerShopDatabaseImplement/Migrations/ComputerShopDatabaseModelSnapshot.cs

@@ -70,6 +70,8 @@ namespace ComputerShopDatabaseImplement.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("AssemblyId");
+
                     b.HasIndex("ComponentId");
 
                     b.ToTable("AssemblyComponents");
@@ -171,9 +173,6 @@ namespace ComputerShopDatabaseImplement.Migrations
                     b.Property<int>("ComponentId")
                         .HasColumnType("integer");
 
-                    b.Property<int>("ComponentId1")
-                        .HasColumnType("integer");
-
                     b.Property<int>("Count")
                         .HasColumnType("integer");
 
@@ -184,7 +183,7 @@ namespace ComputerShopDatabaseImplement.Migrations
 
                     b.HasIndex("ComponentId");
 
-                    b.HasIndex("ComponentId1");
+                    b.HasIndex("ProductId");
 
                     b.ToTable("ProductComponents");
                 });
@@ -331,7 +330,7 @@ namespace ComputerShopDatabaseImplement.Migrations
                 {
                     b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
                         .WithMany("Components")
-                        .HasForeignKey("ComponentId")
+                        .HasForeignKey("AssemblyId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
@@ -366,7 +365,7 @@ namespace ComputerShopDatabaseImplement.Migrations
 
             modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
                 {
-                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", null)
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
                         .WithMany("Products")
                         .HasForeignKey("ShipmentId");
 
@@ -375,19 +374,21 @@ namespace ComputerShopDatabaseImplement.Migrations
                         .HasForeignKey("UserId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
+
+                    b.Navigation("Shipment");
                 });
 
             modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
                 {
-                    b.HasOne("ComputerShopDatabaseImplement.Models.Product", "Product")
-                        .WithMany("Components")
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ProductComponents")
                         .HasForeignKey("ComponentId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
-                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
-                        .WithMany()
-                        .HasForeignKey("ComponentId1")
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
@@ -399,7 +400,7 @@ namespace ComputerShopDatabaseImplement.Migrations
             modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
                 {
                     b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
-                        .WithMany()
+                        .WithMany("Requests")
                         .HasForeignKey("AssemblyId");
 
                     b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
@@ -465,11 +466,15 @@ namespace ComputerShopDatabaseImplement.Migrations
             modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
                 {
                     b.Navigation("Components");
+
+                    b.Navigation("Requests");
                 });
 
             modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
                 {
                     b.Navigation("AssemblyComponents");
+
+                    b.Navigation("ProductComponents");
                 });
 
             modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>

ComputerShopDatabaseImplement/Models/Assembly.cs

@@ -21,7 +21,10 @@ namespace ComputerShopDatabaseImplement.Models
 		[Required]
 		public string Category { get; private set; } = string.Empty;
 
-		[ForeignKey("ComponentId")]
+		[ForeignKey("AssemblyId")]
+		public virtual List<Request> Requests { get; set; } = new();
+
+		[ForeignKey("AssemblyId")]
 		public virtual List<AssemblyComponent> Components { get; set; } = new();
 
 		private Dictionary<int, (IComponentModel, int)>? _assemblyComponents;

ComputerShopDatabaseImplement/Models/Component.cs

@@ -19,6 +19,9 @@ namespace ComputerShopDatabaseImplement.Models
 		[Required]
 		public double Cost { get; private set; }
 
+		[ForeignKey("ComponentId")]
+		public virtual List<ProductComponent> ProductComponents { get; set; } = new();
+
 		[ForeignKey("ComponentId")]
 		public virtual List<AssemblyComponent> AssemblyComponents { get; set; } = new();
 

ComputerShopDatabaseImplement/Models/Product.cs

@@ -23,7 +23,9 @@ namespace ComputerShopDatabaseImplement.Models
 
 		public int? ShipmentId { get; set; }
 
-		[ForeignKey("ComponentId")]
+		public virtual Shipment? Shipment { get; set; }
+
+		[ForeignKey("ProductId")]
 		public virtual List<ProductComponent> Components { get; set; } = new();
 
 		private Dictionary<int, (IComponentModel, int)>? _productComponents;