Added preview release

Author: michaelstaib

code/complete/GraphQL/GraphQL.csproj

@@ -12,9 +12,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="HotChocolate.AspNetCore" Version="12.3.1" />
-    <PackageReference Include="HotChocolate.Data.EntityFramework" Version="12.3.1" />
-    <PackageReference Include="HotChocolate.PersistedQueries.FileSystem" Version="12.3.1" />
+    <PackageReference Include="HotChocolate.AspNetCore" Version="12.5.0-preview.1" />
+    <PackageReference Include="HotChocolate.Data.EntityFramework" Version="12.5.0-preview.1" />
+    <PackageReference Include="HotChocolate.PersistedQueries.FileSystem" Version="12.5.0-preview.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

code/complete/GraphQL/Speakers/SpeakerNode.cs

@@ -17,6 +17,17 @@ namespace ConferencePlanner.GraphQL.Speakers
     [ExtendObjectType(typeof(Speaker))]
     public class SpeakerNode
     {
+        [BindMember(nameof(Speaker.Bio), Replace = true)]
+        public string? GetBio([Parent] Speaker speaker, bool error = false)
+        {
+            if(error) 
+            {
+                throw new GraphQLException("Some error with the bio.");
+            }
+
+            return speaker.Bio;
+        }
+
         [BindMember(nameof(Speaker.SessionSpeakers), Replace = true)]
         public async Task<IEnumerable<Session>> GetSessionsAsync(
             [Parent] Speaker speaker,
@@ -49,7 +60,7 @@ public async IAsyncEnumerable<Session> GetSessionsStreamAsync(
             var random = new Random();
 
             await Task.Delay(random.Next(500, 1000), cancellationToken);
-            
+
             await using var context = contextFactory.CreateDbContext();
 
             var stream = (IAsyncEnumerable<SessionSpeaker>)context.Speakers