Adds Robots.txt engine to dotnet device detection

FiftyOne.DeviceDetection.Cloud/FiftyOne.DeviceDetection.Cloud.csproj

@@ -66,7 +66,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="FiftyOne.Pipeline.CloudRequestEngine" Version="4.5.23" />
+    <PackageReference Include="FiftyOne.Pipeline.CloudRequestEngine" Version="4.5.27" />
     <PackageReference Include="System.Text.Json" Version="8.0.6" />
   </ItemGroup>
 

FiftyOne.DeviceDetection.Data/Data/IDeviceData.cs

@@ -20,7 +20,6 @@
  * such notice(s) shall fulfill the requirements of that article.
  * ********************************************************************* */
 using FiftyOne.Pipeline.Core.Data.Types;
-using FiftyOne.Pipeline.Core.Data;
 using FiftyOne.Pipeline.Engines.Data;
 using System.Collections.Generic;
 

FiftyOne.DeviceDetection.Data/DeviceDataBase.cs

@@ -20,7 +20,6 @@
  * such notice(s) shall fulfill the requirements of that article.
  * ********************************************************************* */
 using FiftyOne.Pipeline.Core.Data.Types;
-using FiftyOne.Pipeline.Core.Data;
 using FiftyOne.Pipeline.Core.FlowElements;
 using FiftyOne.Pipeline.Engines.Data;
 using FiftyOne.Pipeline.Engines.FlowElements;

FiftyOne.DeviceDetection.Data/FiftyOne.DeviceDetection.Shared.csproj

@@ -62,7 +62,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="FiftyOne.Pipeline.Engines.FiftyOne" Version="4.5.24" />
+    <PackageReference Include="FiftyOne.Pipeline.Engines.FiftyOne" Version="4.5.29" />
   </ItemGroup>
 
 </Project>

FiftyOne.DeviceDetection.Hash.Engine.OnPremise/FlowElements/DeviceDetectionHashEngineBuilder.cs

@@ -22,7 +22,6 @@
 
 using FiftyOne.DeviceDetection.Hash.Engine.OnPremise.Data;
 using FiftyOne.Pipeline.Core.FlowElements;
-using FiftyOne.Pipeline.Engines.Data;
 using FiftyOne.Pipeline.Engines.FiftyOne.Data;
 using FiftyOne.Pipeline.Engines.Services;
 using Microsoft.Extensions.Logging;

FiftyOne.DeviceDetection.PropertyKeyed/Data/MultiDeviceData.cs

@@ -23,13 +23,12 @@
 using FiftyOne.Pipeline.Core.FlowElements;
 using FiftyOne.Pipeline.Engines.Data;
 using FiftyOne.Pipeline.Engines.FlowElements;
-using FiftyOne.Pipeline.Engines.FiftyOne.Data;
 using FiftyOne.Pipeline.Engines.FiftyOne.FlowElements;
 using FiftyOne.Pipeline.Engines.Services;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
-using System.Linq;
+using FiftyOne.Pipeline.Core.Data;
 
 namespace FiftyOne.DeviceDetection.PropertyKeyed.Data
 {
@@ -49,8 +48,8 @@ public class MultiDeviceData :
         private readonly List<uint> _profileIds = new List<uint>();
         private readonly PropertyKeyedDataSet _dataSet;
         private List<IDeviceData> _cachedProfiles;
-        private readonly List<Pipeline.Core.Data.IFlowData> _ownedFlowDatas = 
-            new List<Pipeline.Core.Data.IFlowData>();
+        private readonly List<IFlowData> _ownedFlowDatas =
+            new List<IFlowData>();
         private readonly object _lock = new object();
         private bool _disposed;
 
@@ -79,8 +78,12 @@ public IReadOnlyList<IDeviceData> Profiles
         /// <param name="logger">Logger instance.</param>
         /// <param name="pipeline">The pipeline this data belongs to.</param>
         /// <param name="engine">The engine that created this data.</param>
-        /// <param name="missingPropertyService">Service for handling missing properties.</param>
-        /// <param name="dataSet">The data set containing pipeline reference for profile resolution.</param>
+        /// <param name="missingPropertyService">
+        /// Service for handling missing properties.
+        /// </param>
+        /// <param name="dataSet">
+        /// The data set containing pipeline reference for profile resolution.
+        /// </param>
         public MultiDeviceData(
             ILogger<MultiDeviceData> logger,
             IPipeline pipeline,
@@ -89,7 +92,8 @@ public MultiDeviceData(
             PropertyKeyedDataSet dataSet)
             : base(logger, pipeline, engine, missingPropertyService)
         {
-            _dataSet = dataSet ?? throw new ArgumentNullException(nameof(dataSet));
+            _dataSet = dataSet ?? 
+                throw new ArgumentNullException(nameof(dataSet));
             this[ProfilesKey] = new List<IDeviceData>();
         }
 
@@ -125,7 +129,11 @@ private List<IDeviceData> ResolveProfiles()
 
             foreach (var profileId in _profileIds)
             {
+                // Using is not used as the disposal of flow data is managed by
+                // this class to ensure it remains available when values are
+                // retrieved.
                 var flowData = _dataSet.Pipeline.CreateFlowData();
+
                 flowData.AddEvidence(
                     Shared.Constants.EVIDENCE_PROFILE_IDS_KEY,
                     profileId.ToString());
@@ -135,6 +143,7 @@ private List<IDeviceData> ResolveProfiles()
                 if (deviceData != null)
                 {
                     result.Add(deviceData);
+
                     // Track for disposal
                     _ownedFlowDatas.Add(flowData);
                 }

FiftyOne.DeviceDetection.PropertyKeyed/Extensions.cs

@@ -0,0 +1,57 @@
+/* *********************************************************************
+ * This Original Work is copyright of 51 Degrees Mobile Experts Limited.
+ * Copyright 2026 51 Degrees Mobile Experts Limited, Davidson House,
+ * Forbury Square, Reading, Berkshire, United Kingdom RG1 3EU.
+ *
+ * This Original Work is licensed under the European Union Public Licence
+ * (EUPL) v.1.2 and is subject to its terms as set out below.
+ *
+ * If a copy of the EUPL was not distributed with this file, You can obtain
+ * one at https://opensource.org/licenses/EUPL-1.2.
+ *
+ * The 'Compatible Licences' set out in the Appendix to the EUPL (as may be
+ * amended by the European Commission) shall be deemed incompatible for
+ * the purposes of the Work and the provisions of the compatibility
+ * clause in Article 5 of the EUPL shall not apply.
+ *
+ * If using the Work as, or as part of, a network application, by
+ * including the attribution notice(s) required under Article 5 of the EUPL
+ * in the end user terms of the application under an appropriate heading,
+ * such notice(s) shall fulfill the requirements of that article.
+ * ********************************************************************* */
+
+using FiftyOne.DeviceDetection.Hash.Engine.OnPremise.FlowElements;
+using FiftyOne.Pipeline.Core.Exceptions;
+using FiftyOne.Pipeline.Core.FlowElements;
+
+namespace FiftyOne.DeviceDetection.PropertyKeyed
+{
+    public static class Extensions
+    {
+        /// <summary>
+        /// Returns the <see cref="DeviceDetectionHashEngine"/> if present in
+        /// the pipeline.
+        /// </summary>
+        /// <param name="pipeline"></param>
+        /// <returns>
+        /// The instance of <see cref="DeviceDetectionHashEngine"/> from the
+        /// pipeline.
+        /// </returns>
+        /// <exception cref="PipelineConfigurationException">
+        /// Thrown if there is no instance of 
+        /// <see cref="DeviceDetectionHashEngine"/> available.
+        /// </exception>
+        public static DeviceDetectionHashEngine GetDeviceDetectionHashEngine(
+            this IPipeline pipeline)
+        {
+            var engine = pipeline.GetElement<DeviceDetectionHashEngine>();
+            if (engine == null)
+            {
+                throw new PipelineConfigurationException(
+                    $"Ensure {nameof(DeviceDetectionHashEngine)} is added " +
+                    $"to the pipeline");
+            }
+            return engine;
+        }
+    }
+}

FiftyOne.DeviceDetection.PropertyKeyed/FiftyOne.DeviceDetection.PropertyKeyed.csproj

@@ -60,7 +60,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\FiftyOne.DeviceDetection.Hash.Engine.OnPremise\FiftyOne.DeviceDetection.Hash.Engine.OnPremise.csproj" />
-    <PackageReference Include="FiftyOne.Pipeline.Engines.FiftyOne" Version="4.5.24" />
+    <PackageReference Include="FiftyOne.Pipeline.Engines.FiftyOne" Version="4.5.29" />
   </ItemGroup>
 
 </Project>