More casing-related updates

Author: Bart Koelman

src/JsonApiDotNetCore/Graph/ResourceNameFormatters/CamelCaseFormatter.cs

@@ -32,6 +32,6 @@ namespace JsonApiDotNetCore.Graph
     public sealed class CamelCaseFormatter: BaseResourceNameFormatter
     {
         /// <inheritdoc/>
-        public override string ApplyCasingConvention(string properName) => char.ToLowerInvariant(properName[0]) + properName.Substring(1);
+        public override string ApplyCasingConvention(string properName) => char.ToLower(properName[0]) + properName.Substring(1);
     }
 }

src/JsonApiDotNetCore/Graph/ResourceNameFormatters/KebabCaseFormatter.cs

@@ -36,25 +36,32 @@ public sealed class KebabCaseFormatter : BaseResourceNameFormatter
         /// <inheritdoc/>
         public override string ApplyCasingConvention(string properName)
         {
+            if (properName.Length == 0)
+            {
+                return properName;
+            }
+
             var chars = properName.ToCharArray();
-            if (chars.Length > 0)
+            var builder = new StringBuilder();
+
+            for (var i = 0; i < chars.Length; i++)
             {
-                var builder = new StringBuilder();
-                for (var i = 0; i < chars.Length; i++)
+                if (char.IsUpper(chars[i]))
                 {
-                    if (char.IsUpper(chars[i]))
-                    {
-                        var hashedString = i > 0 ? $"-{char.ToLower(chars[i])}" : $"{char.ToLower(chars[i])}";
-                        builder.Append(hashedString);
-                    }
-                    else
+                    if (i > 0)
                     {
-                        builder.Append(chars[i]);
+                        builder.Append('-');
                     }
+
+                    builder.Append(char.ToLower(chars[i]));
+                }
+                else
+                {
+                    builder.Append(chars[i]);
                 }
-                return builder.ToString();
             }
-            return properName;
+
+            return builder.ToString();
         }
     }
 }

src/JsonApiDotNetCore/Middleware/CurrentRequestMiddleware.cs

@@ -84,7 +84,7 @@ private string GetRelationshipId()
         private string[] SplitCurrentPath()
         {
             var path = _httpContext.Request.Path.Value;
-            var ns = $"/{GetNameSpace()}";
+            var ns = $"/{_options.Namespace}";
             var nonNameSpaced = path.Replace(ns, "");
             nonNameSpaced = nonNameSpaced.Trim('/');
             var individualComponents = nonNameSpaced.Split('/');
@@ -96,11 +96,11 @@ private string GetBasePath(string resourceName = null)
             var r = _httpContext.Request;
             if (_options.RelativeLinks)
             {
-                return GetNameSpace();
+                return _options.Namespace;
             }
-            var ns = GetNameSpace();
+
             var customRoute = GetCustomRoute(r.Path.Value, resourceName);
-            var toReturn = $"{r.Scheme}://{r.Host}/{ns}";
+            var toReturn = $"{r.Scheme}://{r.Host}/{_options.Namespace}";
             if (customRoute != null)
             {
                 toReturn += $"/{customRoute}";
@@ -110,12 +110,11 @@ private string GetBasePath(string resourceName = null)
 
         private object GetCustomRoute(string path, string resourceName)
         {
-            var ns = GetNameSpace();
             var trimmedComponents = path.Trim('/').Split('/').ToList();
             var resourceNameIndex = trimmedComponents.FindIndex(c => c == resourceName);
             var newComponents = trimmedComponents.Take(resourceNameIndex).ToArray();
             var customRoute = string.Join('/', newComponents);
-            if (customRoute == ns)
+            if (customRoute == _options.Namespace)
             {
                 return null;
             }
@@ -125,15 +124,10 @@ private object GetCustomRoute(string path, string resourceName)
             }
         }
 
-        private string GetNameSpace()
-        {
-            return _options.Namespace;
-        }
-
         private bool PathIsRelationship()
         {
             var actionName = (string)_routeValues["action"];
-            return actionName.ToLower().Contains("relationships");
+            return actionName.ToLowerInvariant().Contains("relationships");
         }
 
         private async Task<bool> IsValidAsync()

test/UnitTests/Builders/ContextGraphBuilder_Tests.cs

@@ -63,7 +63,7 @@ public void Resources_Without_Names_Specified_Will_Use_Default_Formatter()
         public void Resources_Without_Names_Specified_Will_Use_Configured_Formatter()
         {
             // Arrange
-            var builder = new ResourceGraphBuilder(new CamelCaseNameFormatter());
+            var builder = new ResourceGraphBuilder(new CamelCaseFormatter());
             builder.AddResource<TestResource>();
 
             // Act
@@ -93,7 +93,7 @@ public void Attrs_Without_Names_Specified_Will_Use_Default_Formatter()
         public void Attrs_Without_Names_Specified_Will_Use_Configured_Formatter()
         {
             // Arrange
-            var builder = new ResourceGraphBuilder(new CamelCaseNameFormatter());
+            var builder = new ResourceGraphBuilder(new CamelCaseFormatter());
             builder.AddResource<TestResource>();
 
             // Act
@@ -128,16 +128,5 @@ public sealed class TestResource : Identifiable
         }
 
         public class RelatedResource : Identifiable { }
-
-        public sealed class CamelCaseNameFormatter : IResourceNameFormatter
-        {
-            public string ApplyCasingConvention(string properName) => ToCamelCase(properName);
-
-            public string FormatPropertyName(PropertyInfo property) => ToCamelCase(property.Name);
-
-            public string FormatResourceName(Type resourceType) => ToCamelCase(resourceType.Name.Pluralize());
-
-            private string ToCamelCase(string str) => Char.ToLowerInvariant(str[0]) + str.Substring(1);
-        }
     }
 }