feat : add currency validations

Src/Product.Domain/Aggregates/Product/AggregateRoot/ProductModel.cs

@@ -3,10 +3,13 @@
 
 namespace Product.Domain.Aggregates.ProductAggregate;
 
-public sealed class ProductModel : BaseEntity , IAggregateRoot
+public sealed class ProductModel : BaseEntity, IAggregateRoot
 {
-    public ProductModel(string title, int price, long? categoryId = null, string? subTitle = null,
-        string? description = null)
+    public ProductModel(string title,
+        Price price,
+        string subTitle = default,
+        string description = default,
+        CategoryId categoryId = default)
     {
         Title = title;
         SubTitle = subTitle;
@@ -18,18 +21,13 @@ public ProductModel(string title, int price, long? categoryId = null, string? su
     public string Title { get; private set; }
     public string? SubTitle { get; private set; }
     public string? Description { get; private set; }
-    public int Price { get; private set; }
-    public long? CategoryId { get; private set; }
-
-    public CategoryModel Category { get; private set; }
-
+    public Price Price { get; private set; }
+    public CategoryId CategoryId { get; private set; }
     public IReadOnlyList<ProductComment> ProductComments
     {
         get { return _productComments; }
     }
-
     private List<ProductComment> _productComments { get; set; }
-
     public void Update(ProductModel newProduct)
     {
         base.Update(newProduct.CreateIp);

Src/Product.Domain/Aggregates/Product/Entities/CommenterUser.cs

@@ -0,0 +1,6 @@
+namespace Product.Domain.Aggregates.ProductAggregate;
+
+public class CommenterUser
+{
+
+}

Src/Product.Domain/Aggregates/Product/Entities/ProductComment.cs

@@ -4,5 +4,6 @@ namespace Product.Domain.Aggregates.Product.Entities;
 
 public class ProductComment : BaseEntity
 {
-
+    public string Body { get; set; }
+
 }

Src/Product.Domain/Aggregates/Product/Exceptions/InvalidCurrencyException.cs

@@ -0,0 +1,13 @@
+namespace Product.Domain.Aggregates.Product.Exceptions;
+
+public class InvalidCurrencyException : Exception
+{
+    public InvalidCurrencyException() : base(message: "Currency is not valid")
+    {
+
+    }
+    public InvalidCurrencyException(string msg) : base(message: msg)
+    {
+
+    }
+}

Src/Product.Domain/Aggregates/Product/Exceptions/InvalidPriceException.cs

@@ -0,0 +1,13 @@
+namespace Product.Domain.Aggregates.Product.Exceptions;
+
+public class InvalidPriceException : Exception
+{
+    public InvalidPriceException() : base(message: "Price is not valid")
+    {
+
+    }
+    public InvalidPriceException(string msg) : base(message: msg)
+    {
+
+    }
+}

Src/Product.Domain/Aggregates/Product/ValueObjects/Currency.cs

@@ -1,10 +1,22 @@
+using Product.Domain.Aggregates.Product.Exceptions;
 using Product.Domain.Base;
 
 namespace Product.Domain.Aggregates.ProductAggregate;
 
 public class Currency : ValueObject
 {
-    public string Value { get; private set; }
+    public string Value { get; }
+
+    public Currency(string currency)
+    {
+        if (string.IsNullOrWhiteSpace(currency))
+            throw new InvalidCurrencyException();
+
+        if (currency.Length is not 3)
+            throw new InvalidCurrencyException("Currency lenght should be equal to 3");
+
+        Value = currency;
+    }
     protected override IEnumerable<object> GetEqualityComponents()
     {
         throw new NotImplementedException();

Src/Product.Domain/Aggregates/Product/ValueObjects/Price.cs

@@ -1,31 +1,29 @@
+using Product.Domain.Aggregates.Product.Exceptions;
 using Product.Domain.Base;
 using Product.Domain.Exceptions;
 
 namespace Product.Domain.Aggregates.ProductAggregate;
 
 public class Price : ValueObject
 {
-    public int Value { get; private set; }
-    public Currency Currency { get; private set; }
+    public int Value { get; }
+    public Currency Currency { get; }
 
-    public Price()
+    public Price(int price , Currency currency)
     {
+        if (price is 0)
+            throw new InvalidPriceException("price can not be 0");
 
+        if(price < 0)
+            throw new InvalidPriceException("price can not be negative");
+
+        Value = price;
+        Currency = currency;
     }
     protected override IEnumerable<object> GetEqualityComponents()
     {
         throw new NotImplementedException();
     }
-
-    private void SetValue(int value)
-    {
-        if (value is 0)
-            throw new DomainValidationException("price can not be 0");
-
-        if(value < 0)
-            throw new DomainValidationException("price can not be negative");
-
-        Value = value;
-    }
+
 
 }

Src/Product.Domain/Product.Domain.csproj

@@ -9,7 +9,6 @@
     <ItemGroup>
       <Folder Include="Aggregates\Category\Exceptions" />
       <Folder Include="Aggregates\Category\ValueObjects" />
-      <Folder Include="Aggregates\Product\Exceptions" />
     </ItemGroup>
 
 </Project>

Src/Product.Domain/Shared/Entity/UserModel.cs

@@ -0,0 +1,8 @@
+using Product.Domain.Base;
+
+namespace Product.Domain.Shared.Entity;
+
+public class UserModel : BaseEntity
+{
+
+}