refactor(neon): User agent handling

Signed-off-by: jld3103 <jld3103yt@gmail.com>

packages/neon/neon/lib/neon.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_native_splash/flutter_native_splash.dart';
-import 'package:meta/meta.dart';
 import 'package:neon/src/app.dart';
 import 'package:neon/src/blocs/accounts.dart';
 import 'package:neon/src/blocs/first_launch.dart';
@@ -14,13 +13,11 @@ import 'package:neon/src/platform/platform.dart';
 import 'package:neon/src/theme/neon.dart';
 import 'package:neon/src/utils/global_options.dart';
 import 'package:neon/src/utils/request_manager.dart';
+import 'package:neon/src/utils/user_agent.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
-@internal
-late final String neonUserAgent;
-
 Future runNeon({
   required final Iterable<AppImplementation> Function(SharedPreferences, RequestManager, NeonPlatform)
       getAppImplementations,
@@ -43,11 +40,7 @@ Future runNeon({
   final allAppImplementations = getAppImplementations(sharedPreferences, requestManager, platform);
 
   final packageInfo = await PackageInfo.fromPlatform();
-  var buildNumber = packageInfo.buildNumber;
+  buildUserAgent(packageInfo);
-  if (buildNumber.isEmpty) {
-    buildNumber = '1';
-  }
-  neonUserAgent = 'Neon ${packageInfo.version}+$buildNumber';
 
   final globalOptions = GlobalOptions(
     sharedPreferences,

packages/neon/neon/lib/src/blocs/login_check_account.dart

@@ -1,10 +1,10 @@
 import 'dart:async';
 
 import 'package:flutter/foundation.dart';
-import 'package:neon/neon.dart';
 import 'package:neon/src/bloc/bloc.dart';
 import 'package:neon/src/bloc/result.dart';
 import 'package:neon/src/models/account.dart';
+import 'package:neon/src/utils/user_agent.dart';
 import 'package:nextcloud/nextcloud.dart';
 import 'package:rxdart/rxdart.dart';
 

packages/neon/neon/lib/src/blocs/login_check_server_status.dart

@@ -1,9 +1,9 @@
 import 'dart:async';
 
 import 'package:flutter/foundation.dart';
-import 'package:neon/neon.dart';
 import 'package:neon/src/bloc/bloc.dart';
 import 'package:neon/src/bloc/result.dart';
+import 'package:neon/src/utils/user_agent.dart';
 import 'package:nextcloud/nextcloud.dart';
 import 'package:rxdart/rxdart.dart';
 

packages/neon/neon/lib/src/blocs/login_flow.dart

@@ -1,9 +1,9 @@
 import 'dart:async';
 
 import 'package:flutter/foundation.dart';
-import 'package:neon/neon.dart';
 import 'package:neon/src/bloc/bloc.dart';
 import 'package:neon/src/bloc/result.dart';
+import 'package:neon/src/utils/user_agent.dart';
 import 'package:nextcloud/nextcloud.dart';
 import 'package:rxdart/rxdart.dart';
 

packages/neon/neon/lib/src/utils/user_agent.dart

@@ -0,0 +1,15 @@
+import 'package:meta/meta.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+
+late String? _userAgent;
+
+void buildUserAgent(final PackageInfo packageInfo) {
+  var buildNumber = packageInfo.buildNumber;
+  if (buildNumber.isEmpty) {
+    buildNumber = '1';
+  }
+  _userAgent = 'Neon ${packageInfo.version}+$buildNumber';
+}
+
+@internal
+String get neonUserAgent => _userAgent!;