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Introduced HotChocolate.Data.AutoMapper (#4563)
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src/HotChocolate/Data/src/AutoMapper/AutoMapperQueryableExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| using System; | ||
| using System.Linq; | ||
| using System.Linq.Expressions; | ||
| using AutoMapper; | ||
| using AutoMapper.QueryableExtensions; | ||
| using HotChocolate.Data.Projections.Expressions; | ||
| using HotChocolate.Resolvers; | ||
| using static HotChocolate.Data.Projections.Expressions.QueryableProjectionProvider; | ||
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| namespace HotChocolate.Data; | ||
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| /// <summary> | ||
| /// Common extensions for automapper and <see cref="IQueryable{T}"/> | ||
| /// </summary> | ||
| public static class AutoMapperQueryableExtensions | ||
| { | ||
| /// <summary> | ||
| /// Extension method to project from a queryable using the <see cref="IResolverContext"/> | ||
| /// to project <typeparamref name="TSource"/> into <typeparamref name="TResult"/> based on | ||
| /// the GraphQL selection. | ||
| /// </summary> | ||
| /// <param name="queryable">The Queryable that holds the selection</param> | ||
| /// <param name="context">The resolver context of the resolver</param> | ||
| /// <typeparam name="TSource">The source type</typeparam> | ||
| /// <typeparam name="TResult">The result type</typeparam> | ||
| /// <returns>The projected queryable</returns> | ||
| public static IQueryable<TResult> ProjectTo<TSource, TResult>( | ||
| this IQueryable<TSource> queryable, | ||
| IResolverContext context) | ||
| { | ||
| IMapper mapper = context.Service<IMapper>(); | ||
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| // ensure projections are only applied once | ||
| context.LocalContextData = context.LocalContextData.SetItem(SkipProjectionKey, true); | ||
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| QueryableProjectionContext visitorContext = | ||
| new(context, context.ObjectType, context.Selection.Field.Type.UnwrapRuntimeType()); | ||
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| QueryableProjectionVisitor.Default.Visit(visitorContext); | ||
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| Expression<Func<TResult, object>> projection = visitorContext.Project<TResult, object>(); | ||
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| return queryable.ProjectTo(mapper.ConfigurationProvider, projection); | ||
| } | ||
| } |
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src/HotChocolate/Data/src/AutoMapper/HotChocolate.Data.AutoMapper.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <PackageId>HotChocolate.Data.AutoMapper</PackageId> | ||
| <AssemblyName>HotChocolate.Data.AutoMapper</AssemblyName> | ||
| <RootNamespace>HotChocolate.Data</RootNamespace> | ||
| <NoWarn>$(NoWarn);CA1062</NoWarn> | ||
| <TargetFrameworks Condition="'$(IsMacOsArm)' != 'true'">net6.0; net5.0; netstandard2.1</TargetFrameworks> | ||
| <TargetFrameworks Condition="'$(IsMacOsArm)' == 'true'">net6.0</TargetFrameworks> | ||
| <Description>Contains extensions for easier integration of AutoMapper into HotChocolate</Description> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\..\Core\src\Core\HotChocolate.Core.csproj" /> | ||
| <ProjectReference Include="..\Data\HotChocolate.Data.csproj" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="AutoMapper" Version="10.0.0" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <None Include="$(MSBuildThisFileDirectory)..\MSBuild\HotChocolate.Data.props" Pack="true" PackagePath="build/HotChocolate.Data.EntityFramework.props" Visible="false" /> | ||
| <None Include="$(MSBuildThisFileDirectory)..\MSBuild\HotChocolate.Data.targets" Pack="true" PackagePath="build/HotChocolate.Data.EntityFramework.targets" Visible="false" /> | ||
| </ItemGroup> | ||
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| </Project> |
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