From eb926b7e6075b1fe5aace4d65cb7749717304b4d Mon Sep 17 00:00:00 2001
From: Emelia Smith <ThisIsMissEm@users.noreply.github.com>
Date: Tue, 26 Mar 2024 10:30:10 +0100
Subject: [PATCH] Ensure case-insensitive fields are converted to lowercase in
 user imports (#29740)

---
 app/models/form/import.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/models/form/import.rb b/app/models/form/import.rb
index fc83d9c58c..3cc4af064f 100644
--- a/app/models/form/import.rb
+++ b/app/models/form/import.rb
@@ -111,12 +111,14 @@ class Form::Import
     csv_converter = lambda do |field, field_info|
       case field_info.header
       when 'Show boosts', 'Notify on new posts', 'Hide notifications'
-        ActiveModel::Type::Boolean.new.cast(field)
+        ActiveModel::Type::Boolean.new.cast(field&.downcase)
       when 'Languages'
         field&.split(',')&.map(&:strip)&.presence
       when 'Account address'
         field.strip.gsub(/\A@/, '')
-      when '#domain', '#uri', 'List name'
+      when '#domain'
+        field&.strip&.downcase
+      when '#uri', 'List name'
         field.strip
       else
         field