Composable filters and deeply nested queries

Directory.Build.props

@@ -15,6 +15,7 @@
   <!-- Test Project Dependencies -->
   <PropertyGroup>
     <XUnitVersion>2.4.1</XUnitVersion>
+    <FluentAssertionsVersion>5.10.3</FluentAssertionsVersion>
     <BogusVersion>29.0.1</BogusVersion>
     <MoqVersion>4.13.1</MoqVersion>
   </PropertyGroup>

benchmarks/BenchmarkResource.cs

@@ -1,4 +1,5 @@
 using JsonApiDotNetCore.Models;
+using JsonApiDotNetCore.Models.Annotation;
 
 namespace Benchmarks
 {

benchmarks/DependencyFactory.cs

@@ -3,7 +3,7 @@
 using JsonApiDotNetCore.Configuration;
 using JsonApiDotNetCore.Internal.Contracts;
 using JsonApiDotNetCore.Models;
-using JsonApiDotNetCore.Query;
+using JsonApiDotNetCore.Services.Contract;
 using Microsoft.Extensions.Logging.Abstractions;
 using Moq;
 

benchmarks/LinkBuilder/LinkBuilderGetNamespaceFromPathBenchmarks.cs

@@ -8,23 +8,23 @@ namespace Benchmarks.LinkBuilder
     public class LinkBuilderGetNamespaceFromPathBenchmarks
     {
         private const string RequestPath = "/api/some-really-long-namespace-path/resources/current/articles/?some";
-        private const string EntityName = "articles";
+        private const string ResourceName = "articles";
         private const char PathDelimiter = '/';
 
         [Benchmark]
-        public void UsingStringSplit() => GetNamespaceFromPathUsingStringSplit(RequestPath, EntityName);
+        public void UsingStringSplit() => GetNamespaceFromPathUsingStringSplit(RequestPath, ResourceName);
 
         [Benchmark]
-        public void UsingReadOnlySpan() => GetNamespaceFromPathUsingReadOnlySpan(RequestPath, EntityName);
+        public void UsingReadOnlySpan() => GetNamespaceFromPathUsingReadOnlySpan(RequestPath, ResourceName);
 
-        public static string GetNamespaceFromPathUsingStringSplit(string path, string entityName)
+        public static string GetNamespaceFromPathUsingStringSplit(string path, string resourceName)
         {
             StringBuilder namespaceBuilder = new StringBuilder(path.Length);
             string[] segments = path.Split('/');
 
             for (int index = 1; index < segments.Length; index++)
             {
-                if (segments[index] == entityName)
+                if (segments[index] == resourceName)
                 {
                     break;
                 }
@@ -36,22 +36,22 @@ public static string GetNamespaceFromPathUsingStringSplit(string path, string en
             return namespaceBuilder.ToString();
         }
 
-        public static string GetNamespaceFromPathUsingReadOnlySpan(string path, string entityName)
+        public static string GetNamespaceFromPathUsingReadOnlySpan(string path, string resourceName)
         {
-            ReadOnlySpan<char> entityNameSpan = entityName.AsSpan();
+            ReadOnlySpan<char> resourceNameSpan = resourceName.AsSpan();
             ReadOnlySpan<char> pathSpan = path.AsSpan();
 
             for (int index = 0; index < pathSpan.Length; index++)
             {
                 if (pathSpan[index].Equals(PathDelimiter))
                 {
-                    if (pathSpan.Length > index + entityNameSpan.Length)
+                    if (pathSpan.Length > index + resourceNameSpan.Length)
                     {
-                        ReadOnlySpan<char> possiblePathSegment = pathSpan.Slice(index + 1, entityNameSpan.Length);
+                        ReadOnlySpan<char> possiblePathSegment = pathSpan.Slice(index + 1, resourceNameSpan.Length);
 
-                        if (entityNameSpan.SequenceEqual(possiblePathSegment))
+                        if (resourceNameSpan.SequenceEqual(possiblePathSegment))
                         {
-                            int lastCharacterIndex = index + 1 + entityNameSpan.Length;
+                            int lastCharacterIndex = index + 1 + resourceNameSpan.Length;
 
                             bool isAtEnd = lastCharacterIndex == pathSpan.Length;
                             bool hasDelimiterAfterSegment = pathSpan.Length >= lastCharacterIndex + 1 && pathSpan[lastCharacterIndex].Equals(PathDelimiter);

benchmarks/Query/QueryParserBenchmarks.cs

@@ -1,12 +1,13 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.Design;
 using BenchmarkDotNet.Attributes;
 using JsonApiDotNetCore.Configuration;
+using JsonApiDotNetCore.Internal;
 using JsonApiDotNetCore.Internal.Contracts;
-using JsonApiDotNetCore.Managers;
-using JsonApiDotNetCore.Query;
-using JsonApiDotNetCore.QueryParameterServices.Common;
-using JsonApiDotNetCore.Services;
+using JsonApiDotNetCore.Internal.QueryStrings;
+using JsonApiDotNetCore.QueryStrings;
+using JsonApiDotNetCore.RequestServices;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.Logging.Abstractions;
@@ -17,56 +18,59 @@ namespace Benchmarks.Query
     public class QueryParserBenchmarks
     {
         private readonly FakeRequestQueryStringAccessor _queryStringAccessor = new FakeRequestQueryStringAccessor();
-        private readonly QueryParameterParser _queryParameterParserForSort;
-        private readonly QueryParameterParser _queryParameterParserForAll;
+        private readonly QueryStringReader _queryStringReaderForSort;
+        private readonly QueryStringReader _queryStringReaderForAll;
 
         public QueryParserBenchmarks()
         {
-            IJsonApiOptions options = new JsonApiOptions();
+            IJsonApiOptions options = new JsonApiOptions
+            {
+                EnableLegacyFilterNotation = true
+            };
+
             IResourceGraph resourceGraph = DependencyFactory.CreateResourceGraph(options);
-
-            var currentRequest = new CurrentRequest();
-            currentRequest.SetRequestResource(resourceGraph.GetResourceContext(typeof(BenchmarkResource)));
 
-            IResourceDefinitionProvider resourceDefinitionProvider = DependencyFactory.CreateResourceDefinitionProvider(resourceGraph);
+            var currentRequest = new CurrentRequest
+            {
+                PrimaryResource = resourceGraph.GetResourceContext(typeof(BenchmarkResource))
+            };
 
-            _queryParameterParserForSort = CreateQueryParameterDiscoveryForSort(resourceGraph, currentRequest, resourceDefinitionProvider, options, _queryStringAccessor);
-            _queryParameterParserForAll = CreateQueryParameterDiscoveryForAll(resourceGraph, currentRequest, resourceDefinitionProvider, options, _queryStringAccessor);
+            _queryStringReaderForSort = CreateQueryParameterDiscoveryForSort(resourceGraph, currentRequest, options, _queryStringAccessor);
+            _queryStringReaderForAll = CreateQueryParameterDiscoveryForAll(resourceGraph, currentRequest, options, _queryStringAccessor);
         }
 
-        private static QueryParameterParser CreateQueryParameterDiscoveryForSort(IResourceGraph resourceGraph,
-            CurrentRequest currentRequest, IResourceDefinitionProvider resourceDefinitionProvider,
+        private static QueryStringReader CreateQueryParameterDiscoveryForSort(IResourceGraph resourceGraph,
+            CurrentRequest currentRequest,
             IJsonApiOptions options, FakeRequestQueryStringAccessor queryStringAccessor)
         {
-            ISortService sortService = new SortService(resourceDefinitionProvider, resourceGraph, currentRequest);
-
-            var queryServices = new List<IQueryParameterService>
+            var sortReader = new SortQueryStringParameterReader(currentRequest, resourceGraph);
+            
+            var readers = new List<IQueryStringParameterReader>
             {
-                sortService
+                sortReader
             };
 
-            return new QueryParameterParser(options, queryStringAccessor, queryServices, NullLoggerFactory.Instance);
+            return new QueryStringReader(options, queryStringAccessor, readers, NullLoggerFactory.Instance);
         }
 
-        private static QueryParameterParser CreateQueryParameterDiscoveryForAll(IResourceGraph resourceGraph,
-            CurrentRequest currentRequest, IResourceDefinitionProvider resourceDefinitionProvider,
-            IJsonApiOptions options, FakeRequestQueryStringAccessor queryStringAccessor)
+        private static QueryStringReader CreateQueryParameterDiscoveryForAll(IResourceGraph resourceGraph,
+            CurrentRequest currentRequest, IJsonApiOptions options, FakeRequestQueryStringAccessor queryStringAccessor)
         {
-            IIncludeService includeService = new IncludeService(resourceGraph, currentRequest);
-            IFilterService filterService = new FilterService(resourceDefinitionProvider, resourceGraph, currentRequest);
-            ISortService sortService = new SortService(resourceDefinitionProvider, resourceGraph, currentRequest);
-            ISparseFieldsService sparseFieldsService = new SparseFieldsService(resourceGraph, currentRequest);
-            IPageService pageService = new PageService(options, resourceGraph, currentRequest);
-            IDefaultsService defaultsService = new DefaultsService(options);
-            INullsService nullsService = new NullsService(options);
-
-            var queryServices = new List<IQueryParameterService>
+            var resourceFactory = new ResourceFactory(new ServiceContainer());
+
+            var filterReader = new FilterQueryStringParameterReader(currentRequest, resourceGraph, resourceFactory, options);
+            var sortReader = new SortQueryStringParameterReader(currentRequest, resourceGraph);
+            var sparseFieldSetReader = new SparseFieldSetQueryStringParameterReader(currentRequest, resourceGraph);
+            var paginationReader = new PaginationQueryStringParameterReader(currentRequest, resourceGraph, options);
+            var defaultsReader = new DefaultsQueryStringParameterReader(options);
+            var nullsReader = new NullsQueryStringParameterReader(options);
+
+            var readers = new List<IQueryStringParameterReader>
             {
-                includeService, filterService, sortService, sparseFieldsService, pageService, defaultsService,
-                nullsService
+                filterReader, sortReader, sparseFieldSetReader, paginationReader, defaultsReader, nullsReader
             };
 
-            return new QueryParameterParser(options, queryStringAccessor, queryServices, NullLoggerFactory.Instance);
+            return new QueryStringReader(options, queryStringAccessor, readers, NullLoggerFactory.Instance);
         }
 
         [Benchmark]
@@ -75,7 +79,7 @@ public void AscendingSort()
             var queryString = $"?sort={BenchmarkResourcePublicNames.NameAttr}";
 
             _queryStringAccessor.SetQueryString(queryString);
-            _queryParameterParserForSort.Parse(null);
+            _queryStringReaderForSort.ReadAll(null);
         }
 
         [Benchmark]
@@ -84,7 +88,7 @@ public void DescendingSort()
             var queryString = $"?sort=-{BenchmarkResourcePublicNames.NameAttr}";
 
             _queryStringAccessor.SetQueryString(queryString);
-            _queryParameterParserForSort.Parse(null);
+            _queryStringReaderForSort.ReadAll(null);
         }
 
         [Benchmark]
@@ -93,7 +97,7 @@ public void ComplexQuery() => Run(100, () =>
             var queryString = $"?filter[{BenchmarkResourcePublicNames.NameAttr}]=abc,eq:abc&sort=-{BenchmarkResourcePublicNames.NameAttr}&include=child&page[size]=1&fields={BenchmarkResourcePublicNames.NameAttr}";
 
             _queryStringAccessor.SetQueryString(queryString);
-            _queryParameterParserForAll.Parse(null);
+            _queryStringReaderForAll.ReadAll(null);
         });
 
         private void Run(int iterations, Action action) { 

benchmarks/Serialization/JsonApiDeserializerBenchmarks.cs

@@ -39,7 +39,7 @@ public JsonApiDeserializerBenchmarks()
             var options = new JsonApiOptions();
             IResourceGraph resourceGraph = DependencyFactory.CreateResourceGraph(options);
             var targetedFields = new TargetedFields();
-            _jsonApiDeserializer = new RequestDeserializer(resourceGraph, new DefaultResourceFactory(new ServiceContainer()), targetedFields, new HttpContextAccessor());
+            _jsonApiDeserializer = new RequestDeserializer(resourceGraph, new ResourceFactory(new ServiceContainer()), targetedFields, new HttpContextAccessor());
         }
 
         [Benchmark]

benchmarks/Serialization/JsonApiSerializerBenchmarks.cs

@@ -2,8 +2,9 @@
 using BenchmarkDotNet.Attributes;
 using JsonApiDotNetCore.Configuration;
 using JsonApiDotNetCore.Internal.Contracts;
-using JsonApiDotNetCore.Managers;
-using JsonApiDotNetCore.Query;
+using JsonApiDotNetCore.Internal.QueryStrings;
+using JsonApiDotNetCore.Queries;
+using JsonApiDotNetCore.RequestServices;
 using JsonApiDotNetCore.Serialization;
 using JsonApiDotNetCore.Serialization.Server;
 using JsonApiDotNetCore.Serialization.Server.Builders;
@@ -14,7 +15,7 @@ namespace Benchmarks.Serialization
     [MarkdownExporter]
     public class JsonApiSerializerBenchmarks
     {
-        private static readonly BenchmarkResource Content = new BenchmarkResource
+        private static readonly BenchmarkResource _content = new BenchmarkResource
         {
             Id = 123,
             Name = Guid.NewGuid().ToString()
@@ -40,14 +41,19 @@ public JsonApiSerializerBenchmarks()
 
         private static FieldsToSerialize CreateFieldsToSerialize(IResourceGraph resourceGraph)
         {
-            var resourceDefinitionProvider = DependencyFactory.CreateResourceDefinitionProvider(resourceGraph);
             var currentRequest = new CurrentRequest();
-            var sparseFieldsService = new SparseFieldsService(resourceGraph, currentRequest);
-
-            return new FieldsToSerialize(resourceGraph, sparseFieldsService, resourceDefinitionProvider);
+
+            var constraintProviders = new IQueryConstraintProvider[]
+            {
+                new SparseFieldSetQueryStringParameterReader(currentRequest, resourceGraph)
+            };
+
+            var resourceDefinitionProvider = DependencyFactory.CreateResourceDefinitionProvider(resourceGraph);
+
+            return new FieldsToSerialize(resourceGraph, constraintProviders, resourceDefinitionProvider);
         }
 
         [Benchmark]
-        public object SerializeSimpleObject() => _jsonApiSerializer.Serialize(Content);
+        public object SerializeSimpleObject() => _jsonApiSerializer.Serialize(_content);
     }
 }

docs/api/index.md

@@ -4,6 +4,6 @@ This section documents the package API and is generated from the XML source comm
 
 ## Common APIs
 
-- [`JsonApiOptions`](JsonApiDotNetCore.Configuration.JsonApiOptions.html)
-- [`IResourceGraph`](JsonApiDotNetCore.Internal.Contracts.IResourceGraph.html)
-- [`ResourceDefinition<T>`](JsonApiDotNetCore.Models.ResourceDefinition-1.html)
+- [`JsonApiOptions`](JsonApiDotNetCore.Configuration.JsonApiOptions.yml)
+- [`IResourceGraph`](JsonApiDotNetCore.Internal.Contracts.IResourceGraph.yml)
+- [`ResourceDefinition<TResource>`](JsonApiDotNetCore.Models.ResourceDefinition-1.yml)

docs/docfx.json

@@ -25,6 +25,7 @@
                     "getting-started/**/toc.yml",
                     "usage/**.md",
                     "request-examples/**.md",
+                    "internals/**.md",
                     "toc.yml",
                     "*.md"
                 ]

docs/index.md

@@ -14,10 +14,10 @@ Eliminate CRUD boilerplate and provide the following features across your resour
 - Filtering
 - Sorting
 - Pagination
-- Sparse field selection
+- Sparse fieldset selection
 - Relationship inclusion and navigation
 
-Checkout the [example requests](request-examples) to see the kind of features you will get out of the box.
+Checkout the [example requests](request-examples/index.md) to see the kind of features you will get out of the box.
 
 ### 2. Extensibility
 

docs/internals/index.md

@@ -0,0 +1,3 @@
+# Internals
+
+The section contains overviews for the inner workings of the JsonApiDotNetCore library.