From d3ef51e4858c8c24c1a4e358f9624e271629b91e Mon Sep 17 00:00:00 2001
From: Birte Kristina Friesel <derf@finalrewind.org>
Date: Sun, 20 Jul 2025 12:21:15 +0200
Subject: Allow users to re-set their language preferences to browser default

---
 lib/Travelynx/Controller/Account.pm |  4 ++--
 share/locales/de_DE.po              |  8 ++++++++
 share/locales/en_GB.po              |  8 ++++++++
 share/locales/fr_FR.po              |  8 ++++++++
 share/locales/pl_PL.po              |  8 ++++++++
 templates/language.html.ep          | 12 +++++++++++-
 6 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/lib/Travelynx/Controller/Account.pm b/lib/Travelynx/Controller/Account.pm
index 8121f0a..f4c6bcb 100644
--- a/lib/Travelynx/Controller/Account.pm
+++ b/lib/Travelynx/Controller/Account.pm
@@ -891,14 +891,14 @@ sub change_language {
 		}
 		$self->users->set_language(
 			uid      => $self->current_user->{id},
-			language => $language,
+			language => $language eq 'none' ? undef : $language,
 		);
 		$self->flash( success => 'language' );
 		$self->redirect_to('account');
 	}
 	else {
 		my @languages = @{ $self->current_user->{languages} };
-		$self->param( language => $languages[0] // q{} );
+		$self->param( language => $languages[0] // 'none' );
 		$self->render('language');
 	}
 }
diff --git a/share/locales/de_DE.po b/share/locales/de_DE.po
index a6f58e1..0c12456 100644
--- a/share/locales/de_DE.po
+++ b/share/locales/de_DE.po
@@ -152,6 +152,14 @@ msgstr "Quelltext"
 msgid "landingpage.disclaimer.source-post"
 msgstr "laden und eine eigene Instanz aufsetzen."
 
+# language.html.ep
+
+msgid "language.language"
+msgstr "Sprache"
+
+msgid "language.browser-default"
+msgstr "Gleiche Sprache wie Web-Browser"
+
 # login.html.ep
 
 msgid "login.accept-tos-pre"
diff --git a/share/locales/en_GB.po b/share/locales/en_GB.po
index 9881705..715bd2d 100644
--- a/share/locales/en_GB.po
+++ b/share/locales/en_GB.po
@@ -152,6 +152,14 @@ msgstr "source code"
 msgid "landingpage.disclaimer.source-post"
 msgstr "and host your own instance."
 
+# language.html.ep
+
+msgid "language.language"
+msgstr "Language"
+
+msgid "language.browser-default"
+msgstr "Use language(s) requested by browser"
+
 # login.html.ep
 
 msgid "login.tos"
diff --git a/share/locales/fr_FR.po b/share/locales/fr_FR.po
index 33f14da..5ad336b 100644
--- a/share/locales/fr_FR.po
+++ b/share/locales/fr_FR.po
@@ -125,6 +125,14 @@ msgstr ""
 msgid "landingpage.disclaimer.source-post"
 msgstr ""
 
+# language.html.ep
+
+msgid "language.language"
+msgstr ""
+
+msgid "language.browser-default"
+msgstr ""
+
 # login.html.ep
 
 msgid "login.tos"
diff --git a/share/locales/pl_PL.po b/share/locales/pl_PL.po
index 2ce1b61..80de143 100644
--- a/share/locales/pl_PL.po
+++ b/share/locales/pl_PL.po
@@ -125,6 +125,14 @@ msgstr ""
 msgid "landingpage.disclaimer.source-post"
 msgstr ""
 
+# language.html.ep
+
+msgid "language.language"
+msgstr ""
+
+msgid "language.browser-default"
+msgstr ""
+
 # login.html.ep
 
 msgid "login.tos"
diff --git a/templates/language.html.ep b/templates/language.html.ep
index 6cc0231..cb51746 100644
--- a/templates/language.html.ep
+++ b/templates/language.html.ep
@@ -1,6 +1,16 @@
-<h1>Sprache</h1>
+<h1><%= L('language.language') %></h1>
 %= form_for '/account/language' => (method => 'POST') => begin
 	%= csrf_field
+	<div class="row">
+		<div class="input-field col s12">
+			<div>
+				<label>
+					%= radio_button language => 'none'
+					<span>–: <%= L('language.browser-default') %></span>
+				</label>
+			</div>
+		</div>
+	</div>
 	<div class="row">
 		<div class="input-field col s12">
 			<div>
-- 
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