Product-enhancements-and-validation-fixes

LittleShop/DTOs/ProductDto.cs

@@ -11,6 +11,7 @@ public class ProductDto
     public decimal Price { get; set; }
     public decimal Weight { get; set; }
     public ProductWeightUnit WeightUnit { get; set; }
+    public int StockQuantity { get; set; }
     public Guid CategoryId { get; set; }
     public string CategoryName { get; set; } = string.Empty;
     public DateTime CreatedAt { get; set; }
@@ -34,17 +35,23 @@ public class CreateProductDto
     [StringLength(200)]
     public string Name { get; set; } = string.Empty;
     
-    [Required]
+    [Required(AllowEmptyStrings = true)]
     public string Description { get; set; } = string.Empty;
     
-    [Range(0.01, double.MaxValue)]
+    [Required]
+    [Range(0.01, double.MaxValue, ErrorMessage = "Price must be greater than 0")]
     public decimal Price { get; set; }
     
+    [Required]
+    [Range(0.01, double.MaxValue, ErrorMessage = "Weight must be greater than 0")]
     public decimal Weight { get; set; }
     
-    public ProductWeightUnit WeightUnit { get; set; }
+    public ProductWeightUnit WeightUnit { get; set; } = ProductWeightUnit.Grams;
     
-    [Required]
+    [Range(0, int.MaxValue)]
+    public int StockQuantity { get; set; } = 0;
+    
+    [Required(ErrorMessage = "Please select a category")]
     public Guid CategoryId { get; set; }
 }
 
@@ -62,6 +69,9 @@ public class UpdateProductDto
     
     public ProductWeightUnit? WeightUnit { get; set; }
     
+    [Range(0, int.MaxValue)]
+    public int? StockQuantity { get; set; }
+    
     public Guid? CategoryId { get; set; }
     
     public bool? IsActive { get; set; }