Request totalCount through ToPageAsync if its requested. (#8011)

ChilliCream · Feb 12, 2025 · 13c074d · 13c074d
1 parent 73be31d
commit 13c074d
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diff --git a/src/GreenDonut/GreenDonut.sln b/src/GreenDonut/GreenDonut.sln
@@ -1,85 +1,85 @@
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-	EndGlobalSection
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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
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+EndProject
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+EndProject
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+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GreenDonut.Data.EntityFramework", "src\GreenDonut.Data.EntityFramework\GreenDonut.Data.EntityFramework.csproj", "{BA537BF3-3B52-42C9-9608-4EE7C1ACB0BA}"
+EndProject
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+EndProject
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+EndProject
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+EndProject
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+		{72C43DC2-194C-4493-8673-938AF0BC3336}.Release|Any CPU.ActiveCfg = Release|Any CPU
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+		{28AA2DCE-F97B-431F-90E7-B4D4F4636430}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{28AA2DCE-F97B-431F-90E7-B4D4F4636430}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{28AA2DCE-F97B-431F-90E7-B4D4F4636430}.Release|Any CPU.ActiveCfg = Release|Any CPU
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+	EndGlobalSection
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+		{7FD1006E-CB9A-4EC2-BCCC-7EF412B062EB} = {3697CA1D-4F24-491C-8C89-F17CBB63F8BC}
+		{2A37845A-EDC7-4A32-8103-2D86448F314D} = {3697CA1D-4F24-491C-8C89-F17CBB63F8BC}
+		{5F62F5E4-A450-4533-A0CF-64CE62F3DD06} = {3697CA1D-4F24-491C-8C89-F17CBB63F8BC}
+		{BA537BF3-3B52-42C9-9608-4EE7C1ACB0BA} = {3697CA1D-4F24-491C-8C89-F17CBB63F8BC}
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diff --git a/src/GreenDonut/src/GreenDonut.Data.EntityFramework/Extensions/PagingQueryableExtensions.cs b/src/GreenDonut/src/GreenDonut.Data.EntityFramework/Extensions/PagingQueryableExtensions.cs
@@ -43,7 +43,7 @@ public static async ValueTask<Page<T>> ToPageAsync<T>(
         this IQueryable<T> source,
         PagingArguments arguments,
         CancellationToken cancellationToken = default)
-        => await source.ToPageAsync(arguments, includeTotalCount: false, cancellationToken);
+        => await source.ToPageAsync(arguments, includeTotalCount: arguments.IncludeTotalCount, cancellationToken);
 
     /// <summary>
     /// Executes a query with paging and returns the selected page.
@@ -212,7 +212,12 @@ public static ValueTask<Dictionary<TKey, Page<TValue>>> ToBatchPageAsync<TKey, T
         PagingArguments arguments,
         CancellationToken cancellationToken = default)
         where TKey : notnull
-        => ToBatchPageAsync<TKey, TValue, TValue>(source, keySelector, t => t, arguments, cancellationToken);
+        => ToBatchPageAsync<TKey, TValue, TValue>(
+            source,
+            keySelector,
+            t => t,
+            arguments,
+            cancellationToken);
 
     /// <summary>
     /// Executes a batch query with paging and returns the selected pages for each parent.
@@ -295,7 +300,13 @@ public static ValueTask<Dictionary<TKey, Page<TValue>>> ToBatchPageAsync<TKey, T
         PagingArguments arguments,
         CancellationToken cancellationToken = default)
         where TKey : notnull
-        => ToBatchPageAsync(source, keySelector, valueSelector, arguments, includeTotalCount: false, cancellationToken);
+        => ToBatchPageAsync(
+            source,
+            keySelector,
+            valueSelector,
+            arguments,
+            includeTotalCount: arguments.IncludeTotalCount,
+            cancellationToken);
 
     /// <summary>
     /// Executes a batch query with paging and returns the selected pages for each parent.

diff --git a/src/GreenDonut/src/GreenDonut.Data.Primitives/PagingArguments.cs b/src/GreenDonut/src/GreenDonut.Data.Primitives/PagingArguments.cs
@@ -20,16 +20,21 @@ public readonly record struct PagingArguments
     /// <param name="before">
     /// The cursor before which entities shall be taken.
     /// </param>
+    /// <param name="includeTotalCount">
+    /// Defines if the total count of items in the dataset shall be included in the result.
+    /// </param>
     public PagingArguments(
         int? first = null,
         string? after = null,
         int? last = null,
-        string? before = null)
+        string? before = null,
+        bool includeTotalCount = false)
     {
         First = first;
         After = after;
         Last = last;
         Before = before;
+        IncludeTotalCount = includeTotalCount;
     }
 
     /// <summary>
@@ -52,6 +57,11 @@ public PagingArguments(
     /// </summary>
     public string? Before { get; init; }
 
+    /// <summary>
+    /// Defines if the total count of items in the dataset shall be included in the result.
+    /// </summary>
+    public bool IncludeTotalCount { get; init; }
+
     /// <summary>
     /// Deconstructs the paging arguments into its components.
     /// </summary>
@@ -67,15 +77,20 @@ public PagingArguments(
     /// <param name="before">
     /// The cursor before which entities shall be taken.
     /// </param>
+    /// <param name="includeTotalCount">
+    /// Defines if the total count of items in the dataset shall be included in the result.
+    /// </param>
     public void Deconstruct(
         out int? first,
         out string? after,
         out int? last,
-        out string? before)
+        out string? before,
+        out bool includeTotalCount)
     {
         first = First;
         after = After;
         last = Last;
         before = Before;
+        includeTotalCount = IncludeTotalCount;
     }
 }
diff --git a/src/GreenDonut/src/GreenDonut/GreenDonut.csproj b/src/GreenDonut/src/GreenDonut/GreenDonut.csproj
@@ -27,7 +27,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Data.Primitives\GreenDonut.Abstractions.csproj" />
     <ProjectReference Include="..\GreenDonut.Abstractions\GreenDonut.Abstractions.csproj" />
   </ItemGroup>
 

diff --git a/src/HotChocolate/Core/src/Types/Types/Pagination/PagingHelper.cs b/src/HotChocolate/Core/src/Types/Types/Pagination/PagingHelper.cs
@@ -68,6 +68,7 @@ private static void ApplyConfiguration(
 
         var index = definition.MiddlewareDefinitions.IndexOf(placeholder);
         definition.MiddlewareDefinitions[index] = new(middleware, key: Paging);
+        definition.ContextData[WellKnownContextData.PagingOptions] = options;
     }
 
     private static IExtendedType GetSourceType(

diff --git a/src/HotChocolate/Data/src/Data/Pagination/PagingArgumentsParameterExpressionBuilder.cs b/src/HotChocolate/Data/src/Data/Pagination/PagingArgumentsParameterExpressionBuilder.cs
@@ -1,4 +1,5 @@
 using GreenDonut.Data;
+using HotChocolate.Execution.Processing;
 using HotChocolate.Internal;
 using HotChocolate.Resolvers;
 using HotChocolate.Types.Pagination;
@@ -21,8 +22,22 @@ public T Execute<T>(IResolverContext context)
         => (T)(object)MapArguments(context);
 
     private static PagingArguments MapArguments(IResolverContext context)
-        => MapArguments(context.GetLocalState<CursorPagingArguments>(WellKnownContextData.PagingArguments));
+    {
+        var pagingArguments = context.GetLocalState<CursorPagingArguments>(WellKnownContextData.PagingArguments);
+        var includeTotalCount = IncludeTotalCount(context.Selection);
 
-    private static PagingArguments MapArguments(CursorPagingArguments arguments)
-        => new(arguments.First, arguments.After, arguments.Last, arguments.Before);
+        if (includeTotalCount)
+        {
+            includeTotalCount = context.IsSelected("totalCount");
+        }
+
+        return MapArguments(pagingArguments, includeTotalCount);
+    }
+
+    private static PagingArguments MapArguments(CursorPagingArguments arguments, bool includeTotalCount)
+        => new(arguments.First, arguments.After, arguments.Last, arguments.Before, includeTotalCount);
+
+    private static bool IncludeTotalCount(ISelection selection)
+        => selection.Field.ContextData.TryGetValue(WellKnownContextData.PagingOptions, out var options)
+            && options is PagingOptions { IncludeTotalCount: true };
 }
diff --git a/src/HotChocolate/Data/test/Data.PostgreSQL.Tests/IntegrationTests.cs b/src/HotChocolate/Data/test/Data.PostgreSQL.Tests/IntegrationTests.cs
@@ -237,6 +237,54 @@ public async Task Query_Products_First_2_And_Brand()
         MatchSnapshot(result, interceptor);
     }
 
+    [Fact]
+    public async Task Query_Products_Include_TotalCount()
+    {
+        // arrange
+        using var interceptor = new TestQueryInterceptor();
+
+        // act
+        var result = await ExecuteAsync(
+            """
+            {
+                products(first: 2) {
+                    nodes {
+                        name
+                    }
+                    totalCount
+                }
+            }
+
+            """,
+            interceptor);
+
+        // assert
+        MatchSnapshot(result, interceptor);
+    }
+
+    [Fact]
+    public async Task Query_Products_Exclude_TotalCount()
+    {
+        // arrange
+        using var interceptor = new TestQueryInterceptor();
+
+        // act
+        var result = await ExecuteAsync(
+            """
+            {
+                products(first: 2) {
+                    nodes {
+                        name
+                    }
+                }
+            }
+
+            """,
+            interceptor);
+
+        // assert
+        MatchSnapshot(result, interceptor);
+    }
 
     private static ServiceProvider CreateServer(string connectionString)
     {

diff --git a/src/HotChocolate/Data/test/Data.PostgreSQL.Tests/Types/Products/ProductQueries.cs b/src/HotChocolate/Data/test/Data.PostgreSQL.Tests/Types/Products/ProductQueries.cs
@@ -10,7 +10,7 @@ namespace HotChocolate.Data.Types.Products;
 [QueryType]
 public static partial class ProductQueries
 {
-    [UsePaging]
+    [UsePaging(IncludeTotalCount = true)]
     [UseFiltering]
     [UseSorting]
     public static async Task<Connection<Product>> GetProductsAsync(

diff --git a/...olate/Data/test/Data.PostgreSQL.Tests/__snapshots__/IntegrationTests.CreateSchema.graphql b/...olate/Data/test/Data.PostgreSQL.Tests/__snapshots__/IntegrationTests.CreateSchema.graphql
@@ -75,6 +75,8 @@ type ProductsConnection {
   edges: [ProductsEdge!]
   "A flattened list of the nodes."
   nodes: [Product!]
+  "Identifies the total count of items in the connection."
+  totalCount: Int! @cost(weight: "10")
 }
 
 "An edge in a connection."