Add events for dart mcp server tool invocations (#2112)

Author: jakemac53

pkgs/unified_analytics/CHANGELOG.md

@@ -1,3 +1,6 @@
+## 8.0.2
+- Added `Event.dartMCPEvent` for events from the `dart mcp-server` command.
+
 ## 8.0.1
 - Added `Event.flutterInjectDarwinPlugins` event for plugins injected into an iOS/macOS project.
 

pkgs/unified_analytics/lib/src/constants.dart

@@ -87,7 +87,7 @@ const int kMaxLogFileSize = 25 * (1 << 20);
 const String kLogFileName = 'dart-flutter-telemetry.log';
 
 /// The current version of the package, should be in line with pubspec version.
-const String kPackageVersion = '8.0.1';
+const String kPackageVersion = '8.0.2';
 
 /// The minimum length for a session.
 const int kSessionDurationMinutes = 30;

pkgs/unified_analytics/lib/src/enums.dart

@@ -55,6 +55,11 @@ enum DashEvent {
     description: 'Pub package resolution details',
     toolOwner: DashTool.dartTool,
   ),
+  dartMCPEvent(
+    label: 'dart_mcp_server',
+    description: 'Information for a Dart MCP server event',
+    toolOwner: DashTool.dartTool,
+  ),
 
   // Events for Flutter devtools
 

pkgs/unified_analytics/lib/src/event.dart

@@ -905,6 +905,32 @@ final class Event {
           },
         );
 
+  /// An event that is sent from the Dart MCP server.
+  ///
+  /// The [client] is the name of the client, as given when it connected to the
+  /// MCP server, and [clientVersion] is the version of the client.
+  ///
+  /// The [serverVersion] is the version of the Dart MCP server.
+  ///
+  /// The [type] identifies the kind of event this is, and [additionalData] is
+  /// the actual data for the event.
+  Event.dartMCPEvent({
+    required String client,
+    required String clientVersion,
+    required String serverVersion,
+    required String type,
+    CustomMetrics? additionalData,
+  }) : this._(
+          eventName: DashEvent.dartMCPEvent,
+          eventData: {
+            'client': client,
+            'clientVersion': clientVersion,
+            'serverVersion': serverVersion,
+            'type': type,
+            ...?additionalData?.toMap(),
+          },
+        );
+
   @override
   int get hashCode => Object.hash(eventName, jsonEncode(eventData));
 

pkgs/unified_analytics/pubspec.yaml

@@ -5,7 +5,7 @@ description: >-
 # LINT.IfChange
 # When updating this, keep the version consistent with the changelog and the
 # value in lib/src/constants.dart.
-version: 8.0.1
+version: 8.0.2
 # LINT.ThenChange(lib/src/constants.dart)
 repository: https://github.com/dart-lang/tools/tree/main/pkgs/unified_analytics
 issue_tracker: https://github.com/dart-lang/tools/issues?q=is%3Aissue+is%3Aopen+label%3Apackage%3Aunified_analytics

pkgs/unified_analytics/test/event_test.dart

@@ -655,6 +655,27 @@ void main() {
     expect(constructedEvent.eventData.length, 20);
   });
 
+  test('Event.dartMCPEvent constructed', () {
+    final event = Event.dartMCPEvent(
+        client: 'test client',
+        clientVersion: '1.0.0',
+        serverVersion: '1.1.0',
+        type: 'some_event',
+        additionalData:
+            _TestMetrics(boolField: true, stringField: 'hello', intField: 1));
+    expect(
+        event.eventData,
+        equals({
+          'client': 'test client',
+          'clientVersion': '1.0.0',
+          'serverVersion': '1.1.0',
+          'type': 'some_event',
+          'boolField': true,
+          'stringField': 'hello',
+          'intField': 1,
+        }));
+  });
+
   test('Confirm all constructors were checked', () {
     var constructorCount = 0;
     for (final declaration in reflectClass(Event).declarations.keys) {
@@ -667,7 +688,7 @@ void main() {
 
     // Change this integer below if your PR either adds or removes
     // an Event constructor
-    final eventsAccountedForInTests = 28;
+    final eventsAccountedForInTests = 29;
     expect(eventsAccountedForInTests, constructorCount,
         reason: 'If you added or removed an event constructor, '
             'ensure you have updated '