Add base product DbEntities and domain Entities

src/Printbase.Infrastructure/DbEntities/Products/ProductDbEntity.cs

@@ -0,0 +1,29 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Printbase.Infrastructure.DbEntities.Products;
+
+[Table("Products")]
+public class ProductDbEntity
+{
+    [Key, Required]
+    public Guid Id { get; set; }
+    
+    [MaxLength(50), Required]
+    public required string Name { get; set; }
+    
+    [MaxLength(1000)]
+    public string? Description { get; set; }
+    
+    [Column(TypeName = "decimal(18,2)")]
+    public decimal? Discount { get; set; }
+    
+    [Required]
+    public Guid TypeId { get; set; }
+    
+    [ForeignKey(nameof(TypeId)), Required]
+    public required ProductTypeDbEntity Type { get; set; }
+    
+    [InverseProperty(nameof(ProductVariantDbEntity.Product)), Required]
+    public required ICollection<ProductVariantDbEntity> Variants { get; set; }
+}