Declarative Authorization, step 2. #20

src/Application.Interfaces/ICallerContext.RolesAndFeatures.cs

@@ -0,0 +1,65 @@
+using Domain.Interfaces.Authorization;
+
+namespace Application.Interfaces;
+
+/// <inheritdoc cref="ICallerContext" />
+public partial interface ICallerContext
+{
+    /// <summary>
+    ///     Defines the authorization roles that a caller can have
+    /// </summary>
+    public class CallerRoles
+    {
+        public CallerRoles()
+        {
+            All = Array.Empty<string>();
+            Platform = Array.Empty<string>();
+            Organization = Array.Empty<string>();
+        }
+
+        public CallerRoles(string[]? platform, string[]? member)
+        {
+            Platform = platform ?? Array.Empty<string>();
+            Organization = member ?? Array.Empty<string>();
+            All = Platform
+                .Concat(Organization)
+                .Distinct()
+                .ToArray();
+        }
+
+        public string[] All { get; }
+
+        public string[] Organization { get; }
+
+        public string[] Platform { get; }
+    }
+
+    /// <summary>
+    ///     Defines the sets of features that a caller can have
+    /// </summary>
+    public class CallerFeatureLevels
+    {
+        public CallerFeatureLevels()
+        {
+            All = Array.Empty<FeatureLevel>();
+            Platform = Array.Empty<FeatureLevel>();
+            Organization = Array.Empty<FeatureLevel>();
+        }
+
+        public CallerFeatureLevels(FeatureLevel[]? platform, FeatureLevel[]? member)
+        {
+            Platform = platform ?? Array.Empty<FeatureLevel>();
+            Organization = member ?? Array.Empty<FeatureLevel>();
+            All = Platform
+                .Concat(Organization)
+                .Distinct()
+                .ToArray();
+        }
+
+        public FeatureLevel[] All { get; }
+
+        public FeatureLevel[] Organization { get; }
+
+        public FeatureLevel[] Platform { get; }
+    }
+}

src/Application.Interfaces/ICallerContext.cs

@@ -1,12 +1,11 @@
 using Common;
-using Domain.Interfaces.Authorization;
 
 namespace Application.Interfaces;
 
 /// <summary>
 ///     The context of the currently identified caller
 /// </summary>
-public interface ICallerContext
+public partial interface ICallerContext
 {
     /// <summary>
     ///     Defines the scheme of the authorization
@@ -73,62 +72,4 @@ public CallerAuthorization(AuthorizationMethod method, string value)
 
         public string Value { get; }
     }
-
-    /// <summary>
-    ///     Defines the authorization roles that a caller can have
-    /// </summary>
-    public class CallerRoles
-    {
-        public CallerRoles()
-        {
-            All = Array.Empty<string>();
-            Platform = Array.Empty<string>();
-            Organization = Array.Empty<string>();
-        }
-
-        public CallerRoles(string[]? platform, string[]? member)
-        {
-            Platform = platform ?? Array.Empty<string>();
-            Organization = member ?? Array.Empty<string>();
-            All = Platform
-                .Concat(Organization)
-                .Distinct()
-                .ToArray();
-        }
-
-        public string[] All { get; }
-
-        public string[] Organization { get; }
-
-        public string[] Platform { get; }
-    }
-
-    /// <summary>
-    ///     Defines the sets of features that a caller can have
-    /// </summary>
-    public class CallerFeatureLevels
-    {
-        public CallerFeatureLevels()
-        {
-            All = Array.Empty<FeatureLevel>();
-            Platform = Array.Empty<FeatureLevel>();
-            Organization = Array.Empty<FeatureLevel>();
-        }
-
-        public CallerFeatureLevels(FeatureLevel[]? platform, FeatureLevel[]? member)
-        {
-            Platform = platform ?? Array.Empty<FeatureLevel>();
-            Organization = member ?? Array.Empty<FeatureLevel>();
-            All = Platform
-                .Concat(Organization)
-                .Distinct()
-                .ToArray();
-        }
-
-        public FeatureLevel[] All { get; }
-
-        public FeatureLevel[] Organization { get; }
-
-        public FeatureLevel[] Platform { get; }
-    }
 }

src/Domain.Interfaces.UnitTests/Authorization/FeatureLevelSpec.cs

@@ -0,0 +1,185 @@
+using Domain.Interfaces.Authorization;
+using FluentAssertions;
+using Xunit;
+
+namespace Domain.Interfaces.UnitTests.Authorization;
+
+[Trait("Category", "Unit")]
+public class FeatureLevelSpec
+{
+    [Fact]
+    public void WhenEqualsAndNamesDifferent_ThenReturnsFalse()
+    {
+        var level1 = new FeatureLevel("alevel1");
+        var level2 = new FeatureLevel("alevel2");
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public void WhenEqualsAndNamesSameButNoChildren_ThenReturnsTrue()
+    {
+        var level1 = new FeatureLevel("alevel1");
+        var level2 = new FeatureLevel("alevel1");
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WhenEqualsAndNamesSameButOneHasChild_ThenReturnsFalse()
+    {
+        var level1 = new FeatureLevel("alevel1");
+        var level2 = new FeatureLevel("alevel1", new FeatureLevel[] { new("achild1") });
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public void WhenEqualsAndNamesSameButOneHasGrandChild_ThenReturnsFalse()
+    {
+        var level1 = new FeatureLevel("alevel1", new FeatureLevel[] { new("achild1") });
+        var level2 = new FeatureLevel("alevel1",
+            new FeatureLevel[] { new("achild1", new FeatureLevel[] { new("achild2") }) });
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public void WhenEqualsAndNamesSameAndSameChild_ThenReturnsTrue()
+    {
+        var level1 = new FeatureLevel("alevel1", new FeatureLevel[] { new("achild1") });
+        var level2 = new FeatureLevel("alevel1", new FeatureLevel[] { new("achild1") });
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WhenEqualsAndNamesSameAndDifferentAncestors_ThenReturnsFalse()
+    {
+        var level1 = new FeatureLevel("alevel1",
+            new FeatureLevel[] { new("achild1", new FeatureLevel[] { new("achild2") }) });
+        var level2 = new FeatureLevel("alevel1",
+            new FeatureLevel[] { new("achild1", new FeatureLevel[] { new("achild3") }) });
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public void WhenEqualsAndNamesSameAndSameAncestors_ThenReturnsTrue()
+    {
+        var level1 = new FeatureLevel("alevel1",
+            new FeatureLevel[] { new("achild1", new FeatureLevel[] { new("achild2") }) });
+        var level2 = new FeatureLevel("alevel1",
+            new FeatureLevel[] { new("achild1", new FeatureLevel[] { new("achild2") }) });
+
+        var result = level1.Equals(level2);
+
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WhenIsDescendantAndHasNoChild_ThenFalse()
+    {
+        var level = new FeatureLevel("alevel1");
+
+        var result = level.IsDescendant(new FeatureLevel("achild"));
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public void WhenIsDescendantAndHasChild_ThenTrue()
+    {
+        var level = new FeatureLevel("alevel1", new FeatureLevel[]
+        {
+            new("achild")
+        });
+
+        var result = level.IsDescendant(new FeatureLevel("achild"));
+
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WhenIsDescendantAndHasNoChild2_ThenFalse()
+    {
+        var level = new FeatureLevel("alevel1", new FeatureLevel[]
+        {
+            new("alevel2")
+        });
+
+        var result = level.IsDescendant(new FeatureLevel("achild2"));
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public void WhenIsDescendantAndHasGrandChild_ThenTrue()
+    {
+        var level = new FeatureLevel("alevel1",
+            new FeatureLevel[]
+            {
+                new("alevel2", new FeatureLevel[]
+                {
+                    new("achild")
+                })
+            });
+
+        var result = level.IsDescendant(new FeatureLevel("achild"));
+
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WhenIsDescendantAndHasGreatGrandChild_ThenTrue()
+    {
+        var level = new FeatureLevel("alevel1",
+            new FeatureLevel[]
+            {
+                new("alevel2", new FeatureLevel[]
+                {
+                    new("alevel3", new FeatureLevel[]
+                    {
+                        new("achild")
+                    })
+                })
+            });
+
+        var result = level.IsDescendant(new FeatureLevel("achild"));
+
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WhenIsDescendantAndHasGreatGrandChild2_ThenTrue()
+    {
+        var level = new FeatureLevel("alevel1",
+            new FeatureLevel[]
+            {
+                new("alevel2",
+                    new FeatureLevel[]
+                    {
+                        new("alevel3",
+                            new FeatureLevel("achild1"),
+                            new FeatureLevel("achild2"),
+                            new FeatureLevel("achild3"))
+                    })
+            });
+
+        var result = level.IsDescendant(new FeatureLevel("achild2"));
+
+        result.Should().BeTrue();
+    }
+}

src/Domain.Interfaces/Authorization/FeatureLevel.cs

@@ -15,11 +15,18 @@ public FeatureLevel(string name, params FeatureLevel[] childLevels)
 
     public string Name { get; }
 
+    public bool IsDescendant(FeatureLevel feature)
+    {
+        //TODO: Iterate through all children recursively looking for the specified ancestor.
+        return false;
+    }
+
     public override bool Equals(object? obj)
     {
         return ReferenceEquals(this, obj) || (obj is FeatureLevel other && Equals(other));
     }
 
+    //TODO: Equals can only be the case if the name and the children match
     public override int GetHashCode()
     {
         return Name.GetHashCode();