feat: base domain

src/Bahla.Domain/Builders/RoleBuilder.cs

@@ -12,6 +12,11 @@ namespace Bahla.Domain.Builders
             => !string.IsNullOrEmpty(entity._roleName) && !string.IsNullOrWhiteSpace(entity._roleName);
     }
 
+    internal sealed class RoleValueMaskIsNotZeroSpecification : CompositeSpecification<RoleBuilder>
+    {
+        public override bool IsSatisfiedBy(RoleBuilder entity)
+            => entity._valueMask != 0;
+    }
 
     public sealed class RoleBuilder : IRoleBuilder
     {
@@ -22,14 +27,8 @@ namespace Bahla.Domain.Builders
         internal uint _valueMask;
 
         public Role Build()
-        {
+            => new RoleNameIsNotEmptySpecification()
-            if (new RoleNameIsNotEmptySpecification()
+            .IsSatisfiedBy(this) ? new Role(this) : throw new EntityBuilderException("Role name cannot be null or empty");
-                .IsSatisfiedBy(this)) { 
-                return new Role(this);
-            }
-
-            throw new EntityBuilderException("Role name cannot be null or empty");
-        }
 
         public IRoleBuilder WithIdentifier(Identifier identifier)
         {

src/Bahla.Domain/Specifications/AndNotSpecification.cs

@@ -3,10 +3,10 @@ using Bahla.Domain.Specifications.Base;
 
 namespace Bahla.Domain.Specifications
 {
-    public sealed class AndNotSpecification<T>(ISpecification<T> left, ISpecification<T> right) : CompositeSpecification<T> where T : class
+    public sealed class AndNotSpecification<T>(IEntitySpecification<T> left, IEntitySpecification<T> right) : CompositeSpecification<T> where T : IEntity
     {
-        private readonly ISpecification<T> _left = left;
+        private readonly IEntitySpecification<T> _left = left;
-        private readonly ISpecification<T> _right = right;
+        private readonly IEntitySpecification<T> _right = right;
 
         public override bool IsSatisfiedBy(T entity)
             => _left.IsSatisfiedBy(entity) && !_right.IsSatisfiedBy(entity);

src/Bahla.Domain/Specifications/AndSpecification.cs

@@ -1,11 +1,12 @@
-using Bahla.Domain.Specifications.Base;
+using Bahla.Domain.Entities.Base;
+using Bahla.Domain.Specifications.Base;
 
 namespace Bahla.Domain.Specifications
 {
-    public sealed class AndSpecification<T>(ISpecification<T> left, ISpecification<T> right) : CompositeSpecification<T> where T : class
+    public sealed class AndSpecification<T>(IEntitySpecification<T> left, IEntitySpecification<T> right) : CompositeSpecification<T> where T : IEntity
     {
-        private readonly ISpecification<T> _left = left;
+        private readonly IEntitySpecification<T> _left = left;
-        private readonly ISpecification<T> _right = right;
+        private readonly IEntitySpecification<T> _right = right;
         public override bool IsSatisfiedBy(T entity)
             => _left.IsSatisfiedBy(entity) && _right.IsSatisfiedBy(entity);
     }

src/Bahla.Domain/Specifications/Base/CompositeSpecification.cs

@@ -1,17 +1,24 @@
-namespace Bahla.Domain.Specifications.Base
+using Bahla.Domain.Entities.Base;
+using Bahla.Domain.Specifications.Base;
+
+namespace Bahla.Domain.Specifications
 {
-    public abstract class CompositeSpecification<T> : ISpecification<T> where T : class
+    public abstract class CompositeSpecification<T> : IEntitySpecification<T> where T : IEntity
     {
         public abstract bool IsSatisfiedBy(T entity);
-        public ISpecification<T> And(ISpecification<T> other)
+   
-            => new AndSpecification<T>(this, other);
+        public IEntitySpecification<T> And(IEntitySpecification<T> specification)
-        public ISpecification<T> AndNot(ISpecification<T> other)
+            => new AndSpecification(this, specification);
-            => new AndNotSpecification<T>(this, other);
+
-        public ISpecification<T> Not()
+        public IEntitySpecification<T> AndNot(IEntitySpecification<T> specification)
-            => new NotSpecification<T>(this);
+            => new AndNotSpecification(this, specification);
-        public ISpecification<T> Or(ISpecification<T> other)
+        public IEntitySpecification<T> Not()
-            => new OrSpecification<T>(this, other);
+            => new NotSpecification(this);
-        public ISpecification<T> OrNot(ISpecification<T> other)
+
-            => new OrNotSpecification<T>(this, other);
+        public IEntitySpecification<T> Or(IEntitySpecification<T> specification)
+            => new OrSpecification(this, specification);
+
+        IEntitySpecification<T> OrNot(IEntitySpecification<T> specification)
+            => new OrNotSpecification(this, specification);
     }
 }

src/Bahla.Domain/Specifications/Base/IEntitySpecification.cs

@@ -0,0 +1,15 @@
+using Bahla.Domain.Entities.Base;
+
+namespace Bahla.Domain.Specifications.Base
+{
+    public interface IEntitySpecification<T> where T : IEntity
+    {
+        bool IsSatisfiedBy(T entity);
+        IEntitySpecification<T> And(IEntitySpecification<T> other);
+        IEntitySpecification<T> AndNot(IEntitySpecification<T> other);
+        IEntitySpecification<T> Or(IEntitySpecification<T> other);
+        IEntitySpecification<T> OrNot(IEntitySpecification<T> other);
+        IEntitySpecification<T> Not();
+
+    }
+}

src/Bahla.Domain/Specifications/Base/ISpecification.cs

@@ -1,13 +0,0 @@
-namespace Bahla.Domain.Specifications.Base
-{
-    public interface ISpecification<T> where T : class
-    {
-        bool IsSatisfiedBy(T entity);
-        ISpecification<T> And(ISpecification<T> other);
-        ISpecification<T> AndNot(ISpecification<T> other);
-        ISpecification<T> Or(ISpecification<T> other);
-        ISpecification<T> OrNot(ISpecification<T> other);
-        ISpecification<T> Not();
-
-    }
-}

src/Bahla.Domain/Specifications/NotSpecification.cs

@@ -3,9 +3,9 @@ using Bahla.Domain.Specifications.Base;
 
 namespace Bahla.Domain.Specifications
 {
-    public sealed class NotSpecification<T>(ISpecification<T> other) : CompositeSpecification<T> where T : class
+    public sealed class NotSpecification<T>(IEntitySpecification<T> other) : CompositeSpecification<T> where T : IEntity
     {
-        private readonly ISpecification<T> _other = other;
+        private readonly IEntitySpecification<T> _other = other;
         public override bool IsSatisfiedBy(T entity)
             => !_other.IsSatisfiedBy(entity);
     }

src/Bahla.Domain/Specifications/OrNotSpecification.cs

@@ -3,10 +3,10 @@ using Bahla.Domain.Specifications.Base;
 
 namespace Bahla.Domain.Specifications
 {
-    public sealed class OrNotSpecification<T>(ISpecification<T> left, ISpecification<T> right) : CompositeSpecification<T> where T : class
+    public sealed class OrNotSpecification<T>(IEntitySpecification<T> left, IEntitySpecification<T> right) : CompositeSpecification<T> where T : IEntity
     {
-        private readonly ISpecification<T> _left = left;
+        private readonly IEntitySpecification<T> _left = left;
-        private readonly ISpecification<T> _right = right;
+        private readonly IEntitySpecification<T> _right = right;
 
         public override bool IsSatisfiedBy(T entity)
             => _left.IsSatisfiedBy(entity) || !_right.IsSatisfiedBy(entity);

src/Bahla.Domain/Specifications/OrSpecification.cs

@@ -1,11 +1,12 @@
-using Bahla.Domain.Specifications.Base;
+using Bahla.Domain.Entities.Base;
+using Bahla.Domain.Specifications.Base;
 
 namespace Bahla.Domain.Specifications
 {
-    public sealed class OrSpecification<T>(ISpecification<T> left, ISpecification<T> right) : CompositeSpecification<T> where T : class
+    public sealed class OrSpecification<T>(IEntitySpecification<T> left, IEntitySpecification<T> right) : CompositeSpecification<T> where T : IEntity
     {
-        private readonly ISpecification<T> _left = left;
+        private readonly IEntitySpecification<T> _left = left;
-        private readonly ISpecification<T> _right = right;
+        private readonly IEntitySpecification<T> _right = right;
 
         public override bool IsSatisfiedBy(T entity)
             => _left.IsSatisfiedBy(entity) || _right.IsSatisfiedBy(entity);