fix: event languages (#1335)

* fix: event languages

* fix: notifier

* fix: import

* fix: missed changes

* fix: wording

Author: SputNikPlop

lib/components/chat_history/twitch/subscription_event.dart

@@ -28,10 +28,14 @@ class TwitchSubscriptionEventWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final userModel = Provider.of<UserModel>(context);
+    final channelLocale = userModel.getChannelLocale(context);
+    final localizations = lookupAppLocalizations(channelLocale);
+
     return DecoratedEventWidget.icon(
       icon: Icons.star,
       child: StyledText(
-        text: AppLocalizations.of(context)!.subscriptionEvent(
+        text: localizations.subscriptionEvent(
             model.subscriberUserName, model.tier.replaceAll("000", "")),
         tags: {
           'b': StyledTextTag(style: Theme.of(context).textTheme.titleSmall),
@@ -52,10 +56,14 @@ class TwitchSubscriptionGiftEventWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final userModel = Provider.of<UserModel>(context);
+    final channelLocale = userModel.getChannelLocale(context);
+    final localizations = lookupAppLocalizations(channelLocale);
+
     return DecoratedEventWidget.icon(
       icon: Icons.redeem,
       child: StyledText(
-        text: AppLocalizations.of(context)!.subscriptionGiftEvent(
+        text: localizations.subscriptionGiftEvent(
             model.gifterUserName,
             model.total,
             model.tier.replaceAll("000", ""),
@@ -126,11 +134,15 @@ class TwitchSubscriptionMessageEventWidget extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final textTheme = Theme.of(context).textTheme.titleSmall;
+    final userModel = Provider.of<UserModel>(context);
+    final channelLocale = userModel.getChannelLocale(context);
+    final localizations = lookupAppLocalizations(channelLocale);
+
     return DecoratedEventWidget.icon(
       icon: Icons.star,
       child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
         StyledText(
-          text: AppLocalizations.of(context)!.subscriptionMessageEvent(
+          text: localizations.subscriptionMessageEvent(
             model.subscriberUserName,
             model.cumulativeMonths,
             model.tier.replaceAll("000", ""),

lib/models/channels.dart

@@ -6,14 +6,16 @@ class Channel {
   final String provider;
   final String channelId;
   final String displayName;
+  final String? language;
 
-  Channel(this.provider, this.channelId, this.displayName);
+  Channel(this.provider, this.channelId, this.displayName, {this.language});
 
   @override
   bool operator ==(other) =>
       other is Channel &&
       other.provider == provider &&
-      other.channelId == channelId;
+      other.channelId == channelId &&
+      other.displayName == displayName;
 
   @override
   int get hashCode => provider.hashCode ^ channelId.hashCode;
@@ -35,6 +37,7 @@ class Channel {
       'provider': provider,
       'channelId': channelId,
       'displayName': displayName,
+      'language': language,
     };
   }
 }

lib/models/user.dart

@@ -3,7 +3,7 @@ import 'dart:async';
 import 'package:firebase_analytics/firebase_analytics.dart';
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_crashlytics/firebase_crashlytics.dart';
-import 'package:flutter/foundation.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:rtchat/models/adapters/profiles.dart';
 import 'package:rtchat/models/channels.dart';
 
@@ -16,6 +16,7 @@ class UserModel extends ChangeNotifier {
   User? _user;
   Channel? _userChannel;
   Channel? _activeChannel;
+  Locale? _channelLocale;
 
   UserModel() {
     _userSubscription =
@@ -65,9 +66,51 @@ class UserModel extends ChangeNotifier {
 
   set activeChannel(Channel? channel) {
     _activeChannel = channel;
+    setChannelLanguage(channel?.language);
     notifyListeners();
   }
 
+  void setChannelLanguage(String? languageCode) {
+    if (languageCode != null) {
+      _channelLocale = Locale(normalizeLanguageCode(languageCode));
+    } else {
+      _channelLocale = null;
+    }
+    notifyListeners();
+  }
+
+  Locale getChannelLocale(BuildContext context) {
+    if (_activeChannel?.language != null) {
+      return _channelLocale ??
+          Locale(normalizeLanguageCode(_activeChannel!.language!));
+    }
+    // Fallback to the device locale
+    return Localizations.localeOf(context);
+  }
+
+  static String normalizeLanguageCode(String? twitchLang) {
+    final mappings = {
+      'en': 'en',
+      'es': 'es',
+      'fr': 'fr',
+      'de': 'de',
+      'it': 'it',
+      'ar': 'ar',
+      'bn': 'bn',
+      'ja': 'ja',
+      'ko': 'ko',
+      'nl': 'nl',
+      'pl': 'pl',
+      'pt': 'pt',
+      'ru': 'ru',
+      'sv': 'sv',
+      'uk': 'uk',
+      'zh': 'zh',
+      'zh-Hant': 'zh',
+    };
+    return mappings[twitchLang] ?? 'en';
+  }
+
   Uri? get activityFeedUri {
     final channel = _userChannel;
     if (channel == null) {