fix: resolve trimming warnings in project

.github/policies/msgraph-sdk-dotnet-core-branch-protection.yml

@@ -36,6 +36,7 @@ configuration:
     # Required status checks to pass before merging. Values can be any string, but if the value does not correspond to any existing status check, the status check will be stuck on pending for status since nothing exists to push an actual status
     requiredStatusChecks:
     - Build and Test # Contains CodeQL
+    - Validate Project for Trimming
     - license/cla
     # Require branches to be up to date before merging. boolean
     requiresStrictStatusChecks: true

.github/workflows/sonarcloud.yml

@@ -70,7 +70,7 @@ jobs:
           CoverletOutputFormat: "opencover" # https://github.com/microsoft/vstest/issues/4014#issuecomment-1307913682
         shell: pwsh
         run: |
-          ./.sonar/scanner/dotnet-sonarscanner begin /k:"microsoftgraph_msgraph-sdk-dotnet-core" /o:"microsoftgraph2" /d:sonar.token="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.cs.opencover.reportsPaths="tests/Microsoft.Graph.DotnetCore.Core.Test/coverage.opencover.xml"
+          ./.sonar/scanner/dotnet-sonarscanner begin /k:"microsoftgraph_msgraph-sdk-dotnet-core" /o:"microsoftgraph2" /d:sonar.scanner.scanAll=false /d:sonar.token="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.cs.opencover.reportsPaths="tests/Microsoft.Graph.DotnetCore.Core.Test/coverage.opencover.xml"
           dotnet workload restore
           dotnet build
           dotnet test Microsoft.Graph.Core.sln --no-build --verbosity normal /p:CollectCoverage=true /p:CoverletOutputFormat=opencover --framework net6.0

.github/workflows/validatePullRequest.yml

@@ -40,12 +40,12 @@ jobs:
 
       - name: Install needed dotnet workloads
         run: dotnet workload install android macos ios maccatalyst
+
+      - name: Restore nuget dependencies
+        run: dotnet restore ${{ env.solutionName }}
 
       - name: Lint the code
         run: dotnet format --verify-no-changes
-
-      - name: Restore nuget dependencies
-        run: dotnet restore ${{ env.solutionName }}
 
       - name: Build
         run: dotnet build ${{ env.solutionName }} -c Debug /p:UseSharedCompilation=false,IncludeMauiTargets=true
@@ -56,4 +56,17 @@ jobs:
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3
 
+  validate-trimming:
+    name: Validate Project for Trimming
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4.1.7
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.x
 
+      - name: Validate Trimming warnings
+        run: dotnet publish -c Release -r win-x64 /p:TreatWarningsAsErrors=true /warnaserror -f net8.0
+        working-directory: ./tests/Microsoft.Graph.DotnetCore.Core.Trimming

src/Microsoft.Graph.Core/Microsoft.Graph.Core.csproj

@@ -62,16 +62,16 @@
     </None>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.0.1" />
-    <PackageReference Include="Microsoft.IdentityModel.Validators" Version="8.0.1" />
+    <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.0.2" />
+    <PackageReference Include="Microsoft.IdentityModel.Validators" Version="8.0.2" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.12.3" />
     <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.12.3" />
     <PackageReference Include="Microsoft.Kiota.Serialization.Json" Version="1.12.3" />
-    <PackageReference Include="Microsoft.Kiota.Serialization.Text" Version="1.11.3" />
-    <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.11.3" />
+    <PackageReference Include="Microsoft.Kiota.Serialization.Text" Version="1.12.3" />
+    <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.12.3" />
     <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.12.3" />
-    <PackageReference Include="Microsoft.Kiota.Serialization.Multipart" Version="1.11.3" />
+    <PackageReference Include="Microsoft.Kiota.Serialization.Multipart" Version="1.12.3" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.11.20">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>

src/Microsoft.Graph.Core/Tasks/LargeFileUploadTask.cs

@@ -6,14 +6,17 @@
 {
     using System;
     using System.Collections.Generic;
+    using System.ComponentModel;
     using System.IO;
     using System.Net.Http;
+    using System.Text.Json;
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.Graph.Core.Models;
     using Microsoft.Kiota.Abstractions;
     using Microsoft.Kiota.Abstractions.Authentication;
     using Microsoft.Kiota.Abstractions.Serialization;
+    using Microsoft.Kiota.Serialization.Json;
 
     /// <summary>
     /// Task to help with resumable large file uploads.
@@ -40,7 +43,23 @@
         /// <param name="maxSliceSize">Max size(in bytes) of each slice to be uploaded. Defaults to 5MB. When uploading to OneDrive or SharePoint, this value needs to be a multiple of 320 KiB (327,680 bytes).
         /// If less than 0, default value of 5 MiB is used.</param>
         /// <param name="requestAdapter"><see cref="IRequestAdapter"/> to use for making upload requests. The client should not set Auth headers as upload urls do not need them.</param>
-        public LargeFileUploadTask(IParsable uploadSession, Stream uploadStream, int maxSliceSize = -1, IRequestAdapter requestAdapter = null)
+        [Obsolete("Use the overload that takes in IUploadSession instead.")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public LargeFileUploadTask(IParsable uploadSession, Stream uploadStream, int maxSliceSize = -1,
+            IRequestAdapter requestAdapter = null) : this(ExtractSessionFromParsable(uploadSession), uploadStream, maxSliceSize, requestAdapter)
+        {
+        }
+
+        /// <summary>
+        /// Task to help with resumable large file uploads. Generates slices based on <paramref name="uploadSession"/>
+        /// information, and can control uploading of requests.
+        /// </summary>
+        /// <param name="uploadSession">Session information of type <see cref="IUploadSession"/>></param>
+        /// <param name="uploadStream">Readable, seekable stream to be uploaded. Length of session is determined via uploadStream.Length</param>
+        /// <param name="maxSliceSize">Max size(in bytes) of each slice to be uploaded. Defaults to 5MB. When uploading to OneDrive or SharePoint, this value needs to be a multiple of 320 KiB (327,680 bytes).
+        /// If less than 0, default value of 5 MiB is used.</param>
+        /// <param name="requestAdapter"><see cref="IRequestAdapter"/> to use for making upload requests. The client should not set Auth headers as upload urls do not need them.</param>
+        public LargeFileUploadTask(IUploadSession uploadSession, Stream uploadStream, int maxSliceSize = -1, IRequestAdapter requestAdapter = null)
         {
             if (!uploadStream.CanRead || !uploadStream.CanSeek)
             {
@@ -50,8 +69,8 @@
             {
                 throw new ArgumentException("Must a stream that is not empty");
             }
-            this.Session = ExtractSessionFromParsable(uploadSession);
-            this._requestAdapter = requestAdapter ?? this.InitializeAdapter(Session.UploadUrl);
+            this.Session = uploadSession;
+            this._requestAdapter = requestAdapter ?? InitializeAdapter(Session.UploadUrl);
             this._uploadStream = uploadStream;
             this._rangesRemaining = this.GetRangesRemaining(Session);
             this._maxSliceSize = maxSliceSize < 0 ? DefaultMaxSliceSize : maxSliceSize;
@@ -63,31 +82,34 @@
         /// <param name="uploadSession"><see cref="IParsable"/> to initialize an <see cref="IUploadSession"/> from</param>
         /// <returns>A <see cref="IUploadSession"/> instance</returns>
         /// <exception cref="NotImplementedException"></exception>
-        private IUploadSession ExtractSessionFromParsable(IParsable uploadSession)
+        internal static IUploadSession ExtractSessionFromParsable(IParsable uploadSession)
         {
-            if (!uploadSession.GetFieldDeserializers().ContainsKey("expirationDateTime"))
+            if (uploadSession is IUploadSession uploadSessionCast)
+            {
+                return uploadSessionCast;
+            }
+
+            // this scenario (unlikely) will occur in the event the model in the service libraries hasn't been updated to implement the IUploadSession interface from core.
+            var fieldDeserializers = uploadSession.GetFieldDeserializers();
+            if (!fieldDeserializers.ContainsKey("expirationDateTime"))
                 throw new ArgumentException("The Parsable does not contain the 'expirationDateTime' property");
-            if (!uploadSession.GetFieldDeserializers().ContainsKey("nextExpectedRanges"))
+            if (!fieldDeserializers.ContainsKey("nextExpectedRanges"))
                 throw new ArgumentException("The Parsable does not contain the 'nextExpectedRanges' property");
-            if (!uploadSession.GetFieldDeserializers().ContainsKey("uploadUrl"))
+            if (!fieldDeserializers.ContainsKey("uploadUrl"))
                 throw new ArgumentException("The Parsable does not contain the 'uploadUrl' property");
 
-            var uploadSessionType = uploadSession.GetType();
-
-            return new UploadSession()
-            {
-                ExpirationDateTime = uploadSessionType.GetProperty("ExpirationDateTime").GetValue(uploadSession, null) as DateTimeOffset?,
-                NextExpectedRanges = uploadSessionType.GetProperty("NextExpectedRanges").GetValue(uploadSession, null) as List<string>,
-                UploadUrl = uploadSessionType.GetProperty("UploadUrl").GetValue(uploadSession, null) as string
-            };
+            // convert to local type as we don't have the type info for the upload session just that it implements IParsable
+            using var uploadSessionStream = KiotaJsonSerializer.SerializeAsStream(uploadSession, false);// just in case there's a backing store 
+            var uploadSessionJsonNode = new JsonParseNode(JsonDocument.Parse(uploadSessionStream).RootElement);
+            return uploadSessionJsonNode.GetObjectValue(UploadSession.CreateFromDiscriminatorValue);
         }
 
         /// <summary>
         /// Initialize a baseClient to use for the upload that does not have Auth enabled as the upload URLs explicitly do not need authentication.
         /// </summary>
         /// <param name="uploadUrl">Url to perform the upload to from the session</param>
         /// <returns></returns>
-        private IRequestAdapter InitializeAdapter(string uploadUrl)
+        private static BaseGraphRequestAdapter InitializeAdapter(string uploadUrl)
         {
             HttpClient httpClient = GraphClientFactory.Create(); //no auth
             httpClient.SetFeatureFlag(FeatureFlag.FileUploadTask);
@@ -196,7 +218,7 @@
                         return uploadResult;
                     }
 
-                    ThrowIfUploadCancelled(cancellationToken, trackedExceptions);
+                    ThrowIfUploadCancelled(trackedExceptions, cancellationToken);
                 }
 
                 await this.UpdateSessionStatusAsync(cancellationToken).ConfigureAwait(false);
@@ -207,7 +229,7 @@
                     await Task.Delay(2000 * uploadTries * uploadTries, cancellationToken).ConfigureAwait(false);
                 }
 
-                ThrowIfUploadCancelled(cancellationToken, trackedExceptions);
+                ThrowIfUploadCancelled(trackedExceptions, cancellationToken);
             }
 
             throw new TaskCanceledException("Upload failed too many times. See InnerException for list of exceptions that occured.", new AggregateException(trackedExceptions.ToArray()));
@@ -292,7 +314,7 @@
                 : sizeBasedOnRange;
         }
 
-        private void ThrowIfUploadCancelled(CancellationToken cancellationToken, ICollection<Exception> trackedExceptions)
+        private static void ThrowIfUploadCancelled(ICollection<Exception> trackedExceptions, CancellationToken cancellationToken)
         {
             if (cancellationToken.IsCancellationRequested)
                 throw new OperationCanceledException("File upload cancelled. See InnerException for list of exceptions that occured.", new AggregateException(trackedExceptions));

src/Microsoft.Graph.Core/Tasks/PageIterator.cs

@@ -10,6 +10,9 @@
     using System.Threading.Tasks;
     using Microsoft.Kiota.Abstractions;
     using Microsoft.Kiota.Abstractions.Serialization;
+#if NET5_0_OR_GREATER
+    using System.Diagnostics.CodeAnalysis;
+#endif
 
     /*
      Spec https://github.com/microsoftgraph/msgraph-sdk-design/blob/main/tasks/PageIteratorTask.md
@@ -21,7 +24,11 @@
     /// </summary>
     /// <typeparam name="TEntity">The Microsoft Graph entity type returned in the result set.</typeparam>
     /// <typeparam name="TCollectionPage">The Microsoft Graph collection response type returned in the collection response.</typeparam>
+#if NET5_0_OR_GREATER
+    public class PageIterator<TEntity, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)]TCollectionPage> where TCollectionPage : IParsable, IAdditionalDataHolder, new()
+#else
     public class PageIterator<TEntity, TCollectionPage> where TCollectionPage : IParsable, IAdditionalDataHolder, new()
+#endif
     {
         private IRequestAdapter _requestAdapter;
         private TCollectionPage _currentPage;
@@ -89,7 +96,7 @@
             if (requestAdapter == null)
                 throw new ArgumentNullException(nameof(requestAdapter));
 
             if (page == null)
                 throw new ArgumentNullException(nameof(page));
 
             if (callback == null)
@@ -146,7 +153,7 @@
             if (requestAdapter == null)
                 throw new ArgumentNullException(nameof(requestAdapter));
 
             if (page == null)
                 throw new ArgumentNullException(nameof(page));
 
             if (asyncCallback == null)
@@ -364,7 +371,7 @@
         /// <exception cref="ArgumentException">Thrown when the object doesn't contain a collection inside it</exception>
         private static List<TEntity> ExtractEntityListFromParsable(TCollectionPage parsableCollection)
         {
-            return parsableCollection.GetType().GetProperty("Value")?.GetValue(parsableCollection, null) as List<TEntity> ?? throw new ArgumentException("The Parsable does not contain a collection property");
+            return typeof(TCollectionPage).GetProperty("Value")?.GetValue(parsableCollection, null) as List<TEntity> ?? throw new ArgumentException("The Parsable does not contain a collection property");
         }
 
         /// <summary>
@@ -375,7 +382,7 @@
         /// <returns></returns>
         private static string ExtractNextLinkFromParsable(TCollectionPage parsableCollection, string nextLinkPropertyName = "OdataNextLink")
         {
-            var nextLinkProperty = parsableCollection.GetType().GetProperty(nextLinkPropertyName);
+            var nextLinkProperty = typeof(TCollectionPage).GetProperty(nextLinkPropertyName);
             if (nextLinkProperty != null &&
                 nextLinkProperty.GetValue(parsableCollection, null) is string nextLinkString
                 && !string.IsNullOrEmpty(nextLinkString))

tests/Microsoft.Graph.DotnetCore.Core.Test/Mocks/MockUploadSessionWithoutInterface.cs

@@ -0,0 +1,78 @@
+namespace Microsoft.Graph.DotnetCore.Core.Test.Mocks
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using Microsoft.Kiota.Abstractions.Serialization;
+
+    /// <summary>
+    /// Concrete implementation of the IUploadSession interface
+    /// </summary>
+    internal class MockUploadSessionWithoutUploadSessionInterface : IParsable, IAdditionalDataHolder
+    {
+        /// <summary>
+        /// Expiration date of the upload session
+        /// </summary>
+        public DateTimeOffset? ExpirationDateTime
+        {
+            get; set;
+        }
+
+        /// <summary>
+        /// The ranges yet to be uploaded to the server
+        /// </summary>
+        public List<string> NextExpectedRanges
+        {
+            get; set;
+        }
+
+        /// <summary>
+        /// The URL for upload
+        /// </summary>
+        public string UploadUrl
+        {
+            get; set;
+        }
+
+        /// <summary>
+        /// Stores additional data not described in the OpenAPI description found when deserializing. Can be used for serialization as well.
+        /// </summary>
+        public IDictionary<string, object> AdditionalData { get; set; } = new Dictionary<string, object>();
+
+        /// <summary>
+        /// The deserialization information for the current model
+        /// </summary>
+        public IDictionary<string, Action<IParseNode>> GetFieldDeserializers()
+        {
+            return new Dictionary<string, Action<IParseNode>>(StringComparer.OrdinalIgnoreCase)
+            {
+                {"expirationDateTime", (n) => { ExpirationDateTime = n.GetDateTimeOffsetValue(); } },
+                {"nextExpectedRanges", (n) => { NextExpectedRanges = n.GetCollectionOfPrimitiveValues<string>().ToList(); } },
+                {"uploadUrl", (n) => { UploadUrl = n.GetStringValue(); } },
+            };
+        }
+
+        /// <summary>
+        /// Serializes information the current object
+        /// <param name="writer">Serialization writer to use to serialize this model</param>
+        /// </summary>
+        public void Serialize(ISerializationWriter writer)
+        {
+            _ = writer ?? throw new ArgumentNullException(nameof(writer));
+            writer.WriteDateTimeOffsetValue("expirationDateTime", ExpirationDateTime);
+            writer.WriteCollectionOfPrimitiveValues<string>("nextExpectedRanges", NextExpectedRanges);
+            writer.WriteStringValue("uploadUrl", UploadUrl);
+            writer.WriteAdditionalData(AdditionalData);
+        }
+
+        /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static MockUploadSessionWithoutUploadSessionInterface CreateFromDiscriminatorValue(IParseNode parseNode)
+        {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new MockUploadSessionWithoutUploadSessionInterface();
+        }
+    }
+}