not ready for ef core 3 yet but allowing aspnet core 3

DynamicQuery.sln

@@ -19,6 +19,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PoweredSoft.DynamicQuery.Te
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PoweredSoft.DynamicQuery.AspNetCore", "PoweredSoft.DynamicQuery.AspNetCore\PoweredSoft.DynamicQuery.AspNetCore.csproj", "{DF58BD18-AB47-4018-B1EA-D1118D93B408}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PoweredSoft.DynamicQuery.System.Json", "PoweredSoft.DynamicQuery.System.Json\PoweredSoft.DynamicQuery.System.Json.csproj", "{9A196F3E-69F7-4D07-B635-451D3C94E8F9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PoweredSoft.DynamicQuery.NewtonsoftJson", "PoweredSoft.DynamicQuery.NewtonsoftJson\PoweredSoft.DynamicQuery.NewtonsoftJson.csproj", "{201D7ACB-E11A-47EE-80F6-3F6BFB947DCA}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +49,14 @@ Global
 		{DF58BD18-AB47-4018-B1EA-D1118D93B408}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{DF58BD18-AB47-4018-B1EA-D1118D93B408}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{DF58BD18-AB47-4018-B1EA-D1118D93B408}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9A196F3E-69F7-4D07-B635-451D3C94E8F9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9A196F3E-69F7-4D07-B635-451D3C94E8F9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9A196F3E-69F7-4D07-B635-451D3C94E8F9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9A196F3E-69F7-4D07-B635-451D3C94E8F9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{201D7ACB-E11A-47EE-80F6-3F6BFB947DCA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{201D7ACB-E11A-47EE-80F6-3F6BFB947DCA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{201D7ACB-E11A-47EE-80F6-3F6BFB947DCA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{201D7ACB-E11A-47EE-80F6-3F6BFB947DCA}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PoweredSoft.DynamicQuery.AspNetCore/MvcBuilderExtensions.cs

@@ -1,7 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
-using Newtonsoft.Json.Converters;
 using PoweredSoft.Data;
-using PoweredSoft.DynamicQuery.AspNetCore.Json;
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -14,12 +12,6 @@ namespace PoweredSoft.DynamicQuery.AspNetCore
         {
             builder.Services.AddPoweredSoftDataServices();
             builder.Services.AddPoweredSoftDynamicQuery();
-            var serviceProvider = builder.Services.BuildServiceProvider();
-            builder.AddJsonOptions(o =>
-            {
-                o.SerializerSettings.Converters.Add(new StringEnumConverter());
-                o.SerializerSettings.Converters.Add(new DynamicQueryJsonConverter(serviceProvider));
-            });
             return builder;
         }
     }

PoweredSoft.DynamicQuery.AspNetCore/PoweredSoft.DynamicQuery.AspNetCore.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <Copyright>Powered Softwares Inc.</Copyright>
     <PackageLicenseUrl>MIT</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/PoweredSoft/DynamicQuery</PackageProjectUrl>
@@ -19,8 +19,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Formatters.Json" Version="2.2.0" />
+	  <FrameworkReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="2.2.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.0.0" />
   </ItemGroup>
 
   <ItemGroup>

PoweredSoft.DynamicQuery.Cli/PoweredSoft.DynamicQuery.Cli.csproj

@@ -6,6 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
   </ItemGroup>
 

PoweredSoft.DynamicQuery.Core/ISimpleFilter.cs

@@ -4,5 +4,6 @@
     {
         string Path { get; set; }
         object Value { get; set; }
+        bool? Not { get; set; }
     }
 }

PoweredSoft.DynamicQuery.Core/PoweredSoft.DynamicQuery.Core.csproj

@@ -18,4 +18,8 @@
     <Authors>David Lebee</Authors>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+  </ItemGroup>
+
 </Project>

PoweredSoft.DynamicQuery.NewtonsoftJson/Extensions.cs

@@ -0,0 +1,20 @@
+using Microsoft.Extensions.DependencyInjection;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using PoweredSoft.DynamicQuery.AspNetCore.Json;
+using System;
+
+namespace PoweredSoft.DynamicQuery.NewtonsoftJson
+{
+    public static class JsonNetSerializationSettingsExtensions
+    {
+        public static JsonSerializerSettings AddPoweredSoftDynamicQueryNewtonsoftJson(this JsonSerializerSettings settings, IServiceProvider serviceProvider, bool enableStringEnumConverter = true)
+        {
+            if (enableStringEnumConverter)
+                settings.Converters.Add(new StringEnumConverter());
+
+            settings.Converters.Add(new DynamicQueryJsonConverter(serviceProvider));
+            return settings;
+        }
+    }
+}

PoweredSoft.DynamicQuery.NewtonsoftJson/PoweredSoft.DynamicQuery.NewtonsoftJson.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PoweredSoft.DynamicQuery.Core\PoweredSoft.DynamicQuery.Core.csproj" />
+  </ItemGroup>
+</Project>

PoweredSoft.DynamicQuery.System.Json/PoweredSoft.DynamicQuery.System.Json.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+  </ItemGroup>
+
+</Project>

PoweredSoft.DynamicQuery.Test/DeserializeTests.cs

@@ -22,6 +22,7 @@ namespace PoweredSoft.DynamicQuery.Test
             var serviceProvider = serviceCollection.BuildServiceProvider();
 
             var settings = new JsonSerializerSettings();
+
             settings.Converters.Add(new StringEnumConverter());
             settings.Converters.Add(new DynamicQueryJsonConverter(serviceProvider));
        

PoweredSoft.DynamicQuery.Test/FilterTests.cs

@@ -17,6 +17,7 @@ namespace PoweredSoft.DynamicQuery.Test
             public FilterType Type { get; set; } = FilterType.Equal;
             public string Path { get; set; } = "FirstName";
             public object Value { get; set; } = "Chuck";
+            public bool? Not { get; set; }
         }
 
         [Fact]

PoweredSoft.DynamicQuery.Test/Mock/MockContextFactory.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Diagnostics;
 using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.ClientProtocol;
 using Xunit.Sdk;
 
@@ -12,7 +13,12 @@ namespace PoweredSoft.DynamicQuery.Test.Mock
     {
         public static void TestContextFor(string testName, Action<MockContext> action)
         {
-            var options = new DbContextOptionsBuilder<MockContext>().UseInMemoryDatabase(databaseName: testName).Options;
+            var options = new DbContextOptionsBuilder<MockContext>()
+                .ConfigureWarnings(warnings => 
+                    warnings.Ignore(RelationalEventId.QueryClientEvaluationWarning)
+                )
+                .UseInMemoryDatabase(databaseName: testName).Options;
+
             using (var ctx = new MockContext(options))
                 action(ctx);
         }

PoweredSoft.DynamicQuery.Test/PoweredSoft.DynamicQuery.Test.csproj

@@ -1,16 +1,18 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Bogus" Version="28.0.2" />
+    <PackageReference Include="Bogus" Version="28.3.2" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="2.2.6" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="2.2.6" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
     <PackageReference Include="PoweredSoft.Data.EntityFrameworkCore" Version="1.1.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
@@ -21,6 +23,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\PoweredSoft.DynamicQuery.AspNetCore\PoweredSoft.DynamicQuery.AspNetCore.csproj" />
+    <ProjectReference Include="..\PoweredSoft.DynamicQuery.NewtonsoftJson\PoweredSoft.DynamicQuery.NewtonsoftJson.csproj" />
     <ProjectReference Include="..\PoweredSoft.DynamicQuery\PoweredSoft.DynamicQuery.csproj" />
   </ItemGroup>
 

PoweredSoft.DynamicQuery/Filter.cs

@@ -14,6 +14,7 @@ namespace PoweredSoft.DynamicQuery
     public class SimpleFilter : ISimpleFilter
     {
         public bool? And { get; set; }
+        public bool? Not { get; set; }
         public FilterType Type { get; set; }
         public string Path { get; set; }
         public object Value { get; set; }

PoweredSoft.DynamicQuery/PoweredSoft.DynamicQuery.csproj

@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
     <PackageReference Include="PoweredSoft.Data" Version="1.1.3" />
     <PackageReference Include="PoweredSoft.DynamicLinq" Version="1.1.8" />
   </ItemGroup>

PoweredSoft.DynamicQuery/QueryHandlerBase.cs

@@ -339,7 +339,7 @@ namespace PoweredSoft.DynamicQuery
         protected virtual void ApplySimpleFilter<TSource>(WhereBuilder whereBuilder, ISimpleFilter filter)
         {
             var resolvedConditionOperator = ResolveConditionOperatorFrom(filter.Type);
-            whereBuilder.Compare(filter.Path, resolvedConditionOperator, filter.Value, and: filter.And == true);
+            whereBuilder.Compare(filter.Path, resolvedConditionOperator, filter.Value, and: filter.And == true, negate: filter.Not == true);
         }
 
         protected virtual IFilter InterceptFilter<TSource>(IFilter filter)