update domain

Author: iammukeshm

src/api/modules/Catalog/Catalog.Domain/Brand.cs

@@ -5,44 +5,47 @@
 namespace FSH.Starter.WebApi.Catalog.Domain;
 public class Brand : AuditableEntity, IAggregateRoot
 {
-    public string Name { get; private set; } = default!;
+    public string Name { get; private set; } = string.Empty;
     public string? Description { get; private set; }
 
-    public static Brand Create(string name, string? description)
-    {
-        var brand = new Brand
-        {
-            Name = name,
-            Description = description
-        };
+    private Brand() { }
 
-        brand.QueueDomainEvent(new BrandCreated() { Brand = brand });
+    private Brand(Guid id, string name, string? description)
+    {
+        Id = id;
+        Name = name;
+        Description = description;
+        QueueDomainEvent(new BrandCreated { Brand = this });
+    }
 
-        return brand;
+    public static Brand Create(string name, string? description)
+    {
+        return new Brand(Guid.NewGuid(), name, description);
     }
 
     public Brand Update(string? name, string? description)
     {
-        if (name is not null && Name?.Equals(name, StringComparison.OrdinalIgnoreCase) is not true) Name = name;
-        if (description is not null && Description?.Equals(description, StringComparison.OrdinalIgnoreCase) is not true) Description = description;
-
-        this.QueueDomainEvent(new BrandUpdated() { Brand = this });
+        bool isUpdated = false;
 
-        return this;
-    }
+        if (!string.IsNullOrWhiteSpace(name) && !string.Equals(Name, name, StringComparison.OrdinalIgnoreCase))
+        {
+            Name = name;
+            isUpdated = true;
+        }
 
-    public static Brand Update(Guid id, string name, string? description)
-    {
-        var brand = new Brand
+        if (!string.Equals(Description, description, StringComparison.OrdinalIgnoreCase))
         {
-            Id = id,
-            Name = name,
-            Description = description
-        };
+            Description = description;
+            isUpdated = true;
+        }
 
-        brand.QueueDomainEvent(new BrandUpdated() { Brand = brand });
+        if (isUpdated)
+        {
+            QueueDomainEvent(new BrandUpdated { Brand = this });
+        }
 
-        return brand;
+        return this;
     }
 }
 
+

src/api/modules/Catalog/Catalog.Domain/Product.cs

@@ -5,50 +5,64 @@
 namespace FSH.Starter.WebApi.Catalog.Domain;
 public class Product : AuditableEntity, IAggregateRoot
 {
-    public string Name { get; private set; } = default!;
+    public string Name { get; private set; } = string.Empty;
     public string? Description { get; private set; }
     public decimal Price { get; private set; }
     public Guid? BrandId { get; private set; }
     public virtual Brand Brand { get; private set; } = default!;
 
-    public static Product Create(string name, string? description, decimal price, Guid? brandId)
-    {
-        var product = new Product();
+    private Product() { }
 
-        product.Name = name;
-        product.Description = description;
-        product.Price = price;
-        product.BrandId = brandId;
+    private Product(Guid id, string name, string? description, decimal price, Guid? brandId)
+    {
+        Id = id;
+        Name = name;
+        Description = description;
+        Price = price;
+        BrandId = brandId;
 
-        product.QueueDomainEvent(new ProductCreated() { Product = product });
+        QueueDomainEvent(new ProductCreated { Product = this });
+    }
 
-        return product;
+    public static Product Create(string name, string? description, decimal price, Guid? brandId)
+    {
+        return new Product(Guid.NewGuid(), name, description, price, brandId);
     }
 
     public Product Update(string? name, string? description, decimal? price, Guid? brandId)
     {
-        if (name is not null && Name?.Equals(name, StringComparison.OrdinalIgnoreCase) is not true) Name = name;
-        if (description is not null && Description?.Equals(description, StringComparison.OrdinalIgnoreCase) is not true) Description = description;
-        if (price.HasValue && Price != price) Price = price.Value;
-        if (brandId.HasValue && brandId.Value != Guid.Empty && !BrandId.Equals(brandId.Value)) BrandId = brandId.Value;
+        bool isUpdated = false;
 
-        this.QueueDomainEvent(new ProductUpdated() { Product = this });
-        return this;
-    }
+        if (!string.IsNullOrWhiteSpace(name) && !string.Equals(Name, name, StringComparison.OrdinalIgnoreCase))
+        {
+            Name = name;
+            isUpdated = true;
+        }
 
-    public static Product Update(Guid id, string name, string? description, decimal price, Guid? brandId)
-    {
-        var product = new Product
+        if (!string.Equals(Description, description, StringComparison.OrdinalIgnoreCase))
+        {
+            Description = description;
+            isUpdated = true;
+        }
+
+        if (price.HasValue && Price != price.Value)
+        {
+            Price = price.Value;
+            isUpdated = true;
+        }
+
+        if (brandId.HasValue && brandId.Value != Guid.Empty && BrandId != brandId.Value)
         {
-            Id = id,
-            Name = name,
-            Description = description,
-            Price = price,
-            BrandId = brandId
-        };
+            BrandId = brandId.Value;
+            isUpdated = true;
+        }
 
-        product.QueueDomainEvent(new ProductUpdated() { Product = product });
+        if (isUpdated)
+        {
+            QueueDomainEvent(new ProductUpdated { Product = this });
+        }
 
-        return product;
+        return this;
     }
 }
+

src/api/modules/Todo/Domain/TodoItem.cs

@@ -3,34 +3,44 @@
 using FSH.Starter.WebApi.Todo.Domain.Events;
 
 namespace FSH.Starter.WebApi.Todo.Domain;
-public class TodoItem : AuditableEntity, IAggregateRoot
+public sealed class TodoItem : AuditableEntity, IAggregateRoot
 {
-    public string? Title { get; set; }
+    public string Title { get; private set; } = string.Empty;
+    public string Note { get; private set; } = string.Empty;
 
-    public string? Note { get; set; }
+    private TodoItem() { }
 
-    public static TodoItem Create(string title, string note)
+    private TodoItem(string title, string note)
     {
-        var item = new TodoItem();
-
-        item.Title = title;
-        item.Note = note;
-
-        item.QueueDomainEvent(new TodoItemCreated(item.Id, item.Title, item.Note));
-
+        Title = title;
+        Note = note;
+        QueueDomainEvent(new TodoItemCreated(Id, Title, Note));
         TodoMetrics.Created.Add(1);
-
-        return item;
     }
 
+    public static TodoItem Create(string title, string note) => new(title, note);
+
     public TodoItem Update(string? title, string? note)
     {
-        if (title is not null && Title?.Equals(title, StringComparison.OrdinalIgnoreCase) is not true) Title = title;
-        if (note is not null && Note?.Equals(note, StringComparison.OrdinalIgnoreCase) is not true) Note = note;
+        bool isUpdated = false;
 
-        this.QueueDomainEvent(new TodoItemUpdated(this));
+        if (!string.IsNullOrWhiteSpace(title) && !string.Equals(Title, title, StringComparison.OrdinalIgnoreCase))
+        {
+            Title = title;
+            isUpdated = true;
+        }
 
-        return this;
+        if (!string.IsNullOrWhiteSpace(note) && !string.Equals(Note, note, StringComparison.OrdinalIgnoreCase))
+        {
+            Note = note;
+            isUpdated = true;
+        }
 
+        if (isUpdated)
+        {
+            QueueDomainEvent(new TodoItemUpdated(this));
+        }
+
+        return this;
     }
 }