From a26a56377bac00386903a7f283a764ed2f496475 Mon Sep 17 00:00:00 2001
From: Steven Chang <42795314+Alteras1@users.noreply.github.com>
Date: Sun, 1 Jun 2025 21:39:53 -0700
Subject: [PATCH 1/2] Adds permalink normalization regex for XF topic links

Extends the SiteSetting instead of override
---
 plugin.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugin.rb b/plugin.rb
index 38e051c..41195b3 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -25,4 +25,14 @@ module ::DiscourseModifications
   # and applying a Initializer pattern to load them.
 
   Topic.slug_computed_callbacks << ::DiscourseModifications::TopicSlug.method(:slug_for_topic)
+
+  # add permalink normalization
+  XF_TOPIC_LINK_NORMALIZATION = '/threads\/[^.]+\.([0-9]+)\/?/threads/\1'
+  normalizations = SiteSetting.permalink_normalizations
+  normalizations = normalizations.blank? ? [] : normalizations.split("|")
+
+  normalizations << XF_TOPIC_LINK_NORMALIZATION if normalizations.exclude?(XF_TOPIC_LINK_NORMALIZATION)
+
+  SiteSetting.permalink_normalizations = normalizations.join("|")
+
 end

From 1be6517369c33939b152641abb3b75ec8ad52aab Mon Sep 17 00:00:00 2001
From: Alteras1 <42795314+Alteras1@users.noreply.github.com.>
Date: Wed, 4 Jun 2025 21:48:01 -0700
Subject: [PATCH 2/2] Fix lint

---
 plugin.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/plugin.rb b/plugin.rb
index 41195b3..141d822 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -14,6 +14,8 @@
 
 module ::DiscourseModifications
   PLUGIN_NAME = "discourse-modifications"
+
+  XF_TOPIC_LINK_NORMALIZATION = '/threads\/[^.]+\.([0-9]+)\/?/threads/\1'
 end
 
 require_relative "lib/discourse_modifications/engine"
@@ -27,11 +29,10 @@ module ::DiscourseModifications
   Topic.slug_computed_callbacks << ::DiscourseModifications::TopicSlug.method(:slug_for_topic)
 
   # add permalink normalization
-  XF_TOPIC_LINK_NORMALIZATION = '/threads\/[^.]+\.([0-9]+)\/?/threads/\1'
   normalizations = SiteSetting.permalink_normalizations
   normalizations = normalizations.blank? ? [] : normalizations.split("|")
 
-  normalizations << XF_TOPIC_LINK_NORMALIZATION if normalizations.exclude?(XF_TOPIC_LINK_NORMALIZATION)
+  normalizations << ::DiscourseModifications::XF_TOPIC_LINK_NORMALIZATION if normalizations.exclude?(::DiscourseModifications::XF_TOPIC_LINK_NORMALIZATION)
 
   SiteSetting.permalink_normalizations = normalizations.join("|")