Initial commit of Segment Provider lib

This adds the SegmentProvider class. I didn't add any tests after
struggling a git with mockito. After talking to Drew, he said he
normally doesn't test these wrapper libs, although there is some
additional logic this lib provides. I'll revisit this later.

lib/flutter_app_analytics_segment_provider.dart

@@ -0,0 +1,50 @@
+library flutter_app_analytics_segment_provider;
+
+import 'package:flutter_app_analytics/flutter_app_analytics.dart';
+import 'package:flutter_segment/flutter_segment.dart';
+
+/// A Segment Provider for Flutter app analytics.
+class SegmentProvider implements AnalyticsProvider {
+  final String _writeKey;
+  final String? _userId;
+
+  SegmentProvider(
+    this._writeKey,
+    this._userId,
+  );
+
+  initialize() async {
+    await Segment.config(
+      options: SegmentConfig(
+        writeKey: _writeKey,
+        trackApplicationLifecycleEvents: false,
+        amplitudeIntegrationEnabled: false,
+        debug: false,
+      ),
+    );
+  }
+
+  @override
+  Future<void> identify({
+    String? userId,
+    Map<String, dynamic>? properties,
+  }) async {
+    if (userId != null && properties != null) {
+      await Segment.identify(userId: _userId, traits: properties);
+    } else if (userId != null) {
+      await Segment.identify(userId: _userId);
+    } else if (properties != null) {
+      await Segment.identify(traits: properties);
+    }
+  }
+
+  @override
+  Future<void> trackEvent(AnalyticsEvent event) async {
+    await Segment.track(eventName: event.name, properties: event.properties);
+  }
+
+  @override
+  Future<void> trackEvents(List<AnalyticsEvent> events) async {
+    await Future.forEach<AnalyticsEvent>(events, (event) => trackEvent(event));
+  }
+}

pubspec.yaml

@@ -1,26 +1,22 @@
-name: jumpstart_flutter_lib
-description: A new Flutter package project.
+name: flutter_app_analytics_segment_provider
+description: A new Segment provider for app analytics
 version: 0.0.1
 homepage:
 
 environment:
   sdk: '>=2.19.1 <3.0.0'
-  flutter: ">=1.17.0"
+  flutter: '>=1.17.0'
 
 dependencies:
   flutter:
     sdk: flutter
+  flutter_app_analytics:
+    git: https://github.com/uptech/flutter_app_analytics.git
+  flutter_segment: ^3.12.1
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_lints: ^2.0.0
-
-# For information on the generic Dart part of this file, see the
-# following page: https://dart.dev/tools/pub/pubspec
-
-# For details regarding assets in packages, see
-# https://flutter.dev/assets-and-images/#from-packages
-#
-# An image asset can refer to one or more resolution-specific "variants", see
-# https://flutter.dev/assets-and-images/#resolution-aware
+  mockito: ^5.3.2
+  build_runner: ^2.3.3

test/flutter_app_analytics_segmen_provider_test.dart

@@ -0,0 +1,8 @@
+import 'package:flutter_segment/flutter_segment.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/annotations.dart';
+
+@GenerateMocks([Segment])
+void main() {
+  group('SegmentProvider -', () {});
+}