feat: initialize mixpanel

Signed-off-by: Aman <aman2@me.iitr.ac.in>

Author: aman-singh7

lib/data/constants/env_config.dart

@@ -15,4 +15,6 @@ class EnvironmentConfig {
   );
 
   static const String SENTRY_DSN = String.fromEnvironment('SENTRY_DSN');
+  static const String MIXPANEL_PROJECT_KEY =
+      String.fromEnvironment('MIXPANEL_PROJECT_KEY');
 }

lib/domain/amenity/mixpanel_service.dart

@@ -0,0 +1,12 @@
+import 'package:appetizer/data/constants/env_config.dart';
+import 'package:mixpanel_flutter/mixpanel_flutter.dart';
+
+class MixpanelManager {
+  static Mixpanel? instance;
+
+  static Future<Mixpanel> init() async {
+    instance ??= await Mixpanel.init(EnvironmentConfig.MIXPANEL_PROJECT_KEY,
+        trackAutomaticEvents: true);
+    return instance!;
+  }
+}

lib/presentation/app/bloc/app_bloc.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'package:appetizer/data/constants/constants.dart';
 import 'package:appetizer/data/services/local/local_storage_service.dart';
+import 'package:appetizer/domain/amenity/mixpanel_service.dart';
 import 'package:appetizer/domain/models/user/user.dart';
 import 'package:appetizer/domain/repositories/leave/leave_repository.dart';
 import 'package:appetizer/domain/repositories/user/user_repository.dart';
@@ -70,6 +71,8 @@ class AppBloc extends Bloc<AppEvent, AppState> {
 
   FutureOr<void> _onNavigateToHome(
       NavigateToHomeScreen event, Emitter<AppState> emit) {
+    assert(state.user != null);
+    MixpanelManager.instance?.identify(state.user!.enrNo.toString());
     emit(state.copyWith(navigateTo: NavigateTo.showHomeScreen));
   }
 

pubspec.lock

@@ -749,6 +749,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
+  mixpanel_flutter:
+    dependency: "direct main"
+    description:
+      name: mixpanel_flutter
+      sha256: "5dc993ade5eaad51ebb6c91230971a3443ac30a3d1d24399bc3db74c5705d400"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
   month_picker_dialog:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -45,6 +45,7 @@ dependencies:
   url_launcher: ^6.1.12
   flutter_inappwebview: ^6.0.0
   flutter_native_splash: ^2.3.2
+  mixpanel_flutter: ^2.2.0
 
 dev_dependencies:
   auto_route_generator: ^7.1.2