Implement comments

Author: esrakartalOpt

OptimizelySDK/Event/Builder/EventBuilder.cs

@@ -242,11 +242,9 @@ public virtual LogEvent CreateImpressionEvent(ProjectConfig config, Experiment e
                 GetImpressionOrConversionParamsWithCommonParams(commonParams,
                     new object[] { impressionOnlyParams });
 
-            var region = !string.IsNullOrEmpty(config.Region) ? config.Region : "US";
+            var region = !string.IsNullOrEmpty(config.Region) && EventFactory.EventEndpoints.ContainsKey(config.Region) ? config.Region : "US";
 
-            var endpoint = EventFactory.EventEndpoints.ContainsKey(region)
-                ? EventFactory.EventEndpoints[region]
-                : EventFactory.EventEndpoints["US"];
+            var endpoint = EventFactory.EventEndpoints[region]
 
             return new LogEvent(endpoint, impressionParams, HTTP_VERB, HTTP_HEADERS);
         }
@@ -274,11 +272,9 @@ public virtual LogEvent CreateConversionEvent(ProjectConfig config, string event
             var conversionParams =
                 GetImpressionOrConversionParamsWithCommonParams(commonParams, conversionOnlyParams);
 
-            var region = !string.IsNullOrEmpty(config.Region) ? config.Region : "US";
+            var region = !string.IsNullOrEmpty(config.Region) && EventFactory.EventEndpoints.ContainsKey(config.Region) ? config.Region : "US";
 
-            var endpoint = EventFactory.EventEndpoints.ContainsKey(region)
-                ? EventFactory.EventEndpoints[region]
-                : EventFactory.EventEndpoints["US"];
+            var endpoint = EventFactory.EventEndpoints[region]
 
             return new LogEvent(endpoint, conversionParams, HTTP_VERB, HTTP_HEADERS);
         }

OptimizelySDK/Event/EventFactory.cs

@@ -35,7 +35,7 @@ public class EventFactory
         private const string CUSTOM_ATTRIBUTE_FEATURE_TYPE = "custom";
 
         // Supported regions for event endpoints
-        public static readonly string[] SupportedRegions = { "US", "EU" };
+        public static string[] SupportedRegions => EventEndpoints.Keys.ToArray();
 
         // Dictionary of event endpoints for different regions
         public static readonly Dictionary<string, string> EventEndpoints = new Dictionary<string, string>
@@ -91,7 +91,10 @@ public static LogEvent CreateLogEvent(UserEvent[] userEvents, ILogger logger)
                 var userContext = userEvent.Context;
 
                 // Get region from the event's context, default to US if not specified
-                region = !string.IsNullOrEmpty(userContext.Region) ? userContext.Region : "US";
+                if (!string.IsNullOrEmpty(userContext.Region))
+                {
+                    region = userContext.Region;
+                }
 
                 builder.WithClientName(userContext.ClientName).
                     WithClientVersion(userContext.ClientVersion).