feat: Add variation version to AI metric data (#71)

Author: keelerm84

pkgs/sdk/server-ai/src/Config/LdAiConfig.cs

@@ -223,6 +223,7 @@ internal LdAiConfig(bool enabled, IEnumerable<Message> messages, Meta meta, Mode
             model?.Custom ?? new Dictionary<string, LdValue>());
         Messages = messages?.ToList() ?? new List<Message>();
         VariationKey = meta?.VariationKey ?? "";
+        Version = meta?.Version ?? 1;
         Enabled = enabled;
         Provider = new ModelProvider(provider?.Name ?? "");
     }
@@ -234,6 +235,7 @@ internal LdValue ToLdValue()
                 new Dictionary<string, LdValue>
                 {
                     { "variationKey", LdValue.Of(VariationKey) },
+                    { "version", LdValue.Of(Version) },
                     { "enabled", LdValue.Of(Enabled) }
                 }) },
             { "messages", LdValue.ArrayFrom(Messages.Select(m => LdValue.ObjectFrom(new Dictionary<string, LdValue>
@@ -271,6 +273,11 @@ internal LdValue ToLdValue()
     /// </summary>
     public string VariationKey { get; }
 
+    /// <summary>
+    /// This field meant for internal LaunchDarkly usage.
+    /// </summary>
+    public int Version { get; }
+
     /// <summary>
     /// Convenient helper that returns a disabled LdAiConfig.
     /// </summary>

pkgs/sdk/server-ai/src/DataModel/DataModel.cs

@@ -33,6 +33,12 @@ public class Meta
     [JsonPropertyName("variationKey")]
     public string VariationKey { get; set; }
 
+    /// <summary>
+    /// The variation version.
+    /// </summary>
+    [JsonPropertyName("version")]
+    public int? Version { get; set; }
+
     /// <summary>
     /// If the config is enabled.
     /// </summary>

pkgs/sdk/server-ai/src/LdAiConfigTracker.cs

@@ -46,6 +46,7 @@ public LdAiConfigTracker(ILaunchDarklyClient client, string configKey, LdAiConfi
         _trackData =  LdValue.ObjectFrom(new Dictionary<string, LdValue>
         {
             { "variationKey", LdValue.Of(config.VariationKey)},
+            { "version", LdValue.Of(config.Version)},
             { "configKey" , LdValue.Of(configKey ?? throw new ArgumentNullException(nameof(configKey))) }
         });
     }

pkgs/sdk/server-ai/test/LdAiConfigTrackerTest.cs

@@ -43,6 +43,7 @@ public void CanTrackDuration()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
             var tracker = new LdAiConfigTracker(mockClient.Object, flagKey, config, context);
@@ -61,6 +62,7 @@ public void CanTrackTimeToFirstToken()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
             var tracker = new LdAiConfigTracker(mockClient.Object, flagKey, config, context);
@@ -79,6 +81,7 @@ public void CanTrackSuccess()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -99,6 +102,7 @@ public void CanTrackError()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -119,6 +123,7 @@ public async void CanTrackDurationOfTask()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -153,6 +158,7 @@ public void CanTrackFeedback()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -174,6 +180,7 @@ public void CanTrackTokens()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -202,6 +209,7 @@ public void CanTrackResponseWithSpecificLatency()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -245,6 +253,7 @@ public void CanTrackResponseWithPartialData()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });
 
@@ -279,6 +288,7 @@ public async Task CanTrackExceptionFromResponse()
             var data = LdValue.ObjectFrom(new Dictionary<string, LdValue>
             {
                 { "variationKey", LdValue.Of(config.VariationKey) },
+                { "version", LdValue.Of(config.Version) },
                 { "configKey", LdValue.Of(flagKey) }
             });