feature(#2): this commit introduces mandatory validations for the address field when the fulfillment is delivery, including checking internal fields and validating the Brazilian ZIP code format.

Author: https-richardy

Boundaries/Comanda.Orders/Source/Comanda.Orders.Application/Validators/OrderCreationSchemeValidator.cs

@@ -12,6 +12,11 @@ public OrderCreationSchemeValidator()
             .IsInEnum()
             .WithMessage("fulfillment must be a valid enum value.");
 
+        RuleFor(order => order.Address)
+            .NotNull()
+            .WithMessage("address must be provided when fulfillment is delivery.")
+            .When(order => order.Fulfillment == Fulfillment.Delivery);
+
         RuleFor(order => order.Priority)
             .IsInEnum()
             .WithMessage("priority must be a valid enum value.");
@@ -20,6 +25,31 @@ public OrderCreationSchemeValidator()
             .NotNull()
             .WithMessage("metadata must be provided.");
 
+        When(order => order.Fulfillment == Fulfillment.Delivery && order.Address is not null, () =>
+        {
+            RuleFor(order => order.Address!.Street)
+                .NotEmpty()
+                .WithMessage("The street field is required and cannot be empty.");
+
+            RuleFor(order => order.Address!.Number)
+                .NotEmpty()
+                .WithMessage("The number field is required and represents the street number of the address.");
+
+            RuleFor(order => order.Address!.City)
+                .NotEmpty()
+                .WithMessage("The city field is required and cannot be empty.");
+
+            RuleFor(order => order.Address!.State)
+                .NotEmpty()
+                .WithMessage("The state field is required and cannot be empty.");
+
+            RuleFor(order => order.Address!.ZipCode)
+                .NotEmpty()
+                .WithMessage("The zip code field is required.")
+                .Matches(ExpressionPatterns.Cep)
+                .WithMessage("The zip code is invalid. It must match the Brazilian postal code format.");
+        });
+
         When(order => order.Metadata is not null, () =>
         {
             RuleFor(order => order.Metadata!.MerchantId)