Added product categories

LiteCharms.Features.MidrandBooks/Postgres/MidrandBooksDbContext.cs

@@ -38,4 +38,6 @@ public sealed class MidrandBooksDbContext(DbContextOptions<MidrandBooksDbContext
     public DbSet<ShippingProvider> ShippingProviders => Set<ShippingProvider>();
 
     public DbSet<Category> Categories => Set<Category>();
+
+    public DbSet<ProductCategory> ProductCategories => Set<ProductCategory>();
 }

LiteCharms.Features.MidrandBooks/Postgres/Migrations/20260530125323_AddedProductCategories.cs

@@ -0,0 +1,68 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace LiteCharms.Features.MidrandBooks.Postgres.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddedProductCategories : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Categories",
+                table: "Products");
+
+            migrationBuilder.CreateTable(
+                name: "ProductCategories",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false),
+                    CategoryId = table.Column<long>(type: "bigint", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductCategories", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProductCategories_Categories_CategoryId",
+                        column: x => x.CategoryId,
+                        principalTable: "Categories",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ProductCategories_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductCategories_CategoryId",
+                table: "ProductCategories",
+                column: "CategoryId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductCategories_ProductId",
+                table: "ProductCategories",
+                column: "ProductId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ProductCategories");
+
+            migrationBuilder.AddColumn<string[]>(
+                name: "Categories",
+                table: "Products",
+                type: "text[]",
+                nullable: true);
+        }
+    }
+}

LiteCharms.Features.MidrandBooks/Postgres/Migrations/MidrandBooksDbContextModelSnapshot.cs

@@ -586,9 +586,6 @@ namespace LiteCharms.Features.MidrandBooks.Postgres.Migrations
 
                     NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
 
-                    b.PrimitiveCollection<string[]>("Categories")
-                        .HasColumnType("text[]");
-
                     b.Property<DateTime>("CreatedAt")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("timestamp with time zone")
@@ -633,6 +630,29 @@ namespace LiteCharms.Features.MidrandBooks.Postgres.Migrations
                     b.ToTable("Products", (string)null);
                 });
 
+            modelBuilder.Entity("LiteCharms.Features.MidrandBooks.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CategoryId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductCategories", (string)null);
+                });
+
             modelBuilder.Entity("LiteCharms.Features.MidrandBooks.Products.Entities.ProductPrice", b =>
                 {
                     b.Property<long>("Id")
@@ -911,6 +931,25 @@ namespace LiteCharms.Features.MidrandBooks.Postgres.Migrations
                     b.Navigation("Metadata");
                 });
 
+            modelBuilder.Entity("LiteCharms.Features.MidrandBooks.Products.Entities.ProductCategory", b =>
+                {
+                    b.HasOne("LiteCharms.Features.MidrandBooks.Categories.Entities.Category", "Category")
+                        .WithMany()
+                        .HasForeignKey("CategoryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("LiteCharms.Features.MidrandBooks.Products.Entities.Product", "Product")
+                        .WithMany("Categories")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Category");
+
+                    b.Navigation("Product");
+                });
+
             modelBuilder.Entity("LiteCharms.Features.MidrandBooks.Products.Entities.ProductPrice", b =>
                 {
                     b.HasOne("LiteCharms.Features.MidrandBooks.Products.Entities.Product", "Product")
@@ -955,6 +994,8 @@ namespace LiteCharms.Features.MidrandBooks.Postgres.Migrations
 
             modelBuilder.Entity("LiteCharms.Features.MidrandBooks.Products.Entities.Product", b =>
                 {
+                    b.Navigation("Categories");
+
                     b.Navigation("Prices");
                 });
 #pragma warning restore 612, 618