From a88283c526a779389efa2b819201a2331de0f2b2 Mon Sep 17 00:00:00 2001
From: winter
Date: Mon, 24 Feb 2025 18:29:51 +0000
Subject: implement federation policies and instance info substitution policy

---
 .../Policy/RemoteInstanceInfoSubstitution.php      | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Digitigrade/Policy/RemoteInstanceInfoSubstitution.php

(limited to 'Digitigrade/Policy/RemoteInstanceInfoSubstitution.php')

diff --git a/Digitigrade/Policy/RemoteInstanceInfoSubstitution.php b/Digitigrade/Policy/RemoteInstanceInfoSubstitution.php
new file mode 100644
index 0000000..cbcecfc
--- /dev/null
+++ b/Digitigrade/Policy/RemoteInstanceInfoSubstitution.php
@@ -0,0 +1,33 @@
+<?php
+namespace Digitigrade\Policy;
+
+use Digitigrade\Model\Instance;
+use Digitigrade\Model\Note;
+use Digitigrade\Policy;
+
+class RemoteInstanceInfoSubstitution extends Policy {
+    public function checkNoteFederation(Note $note, ?Instance $instance): bool {
+        if ($instance == null) {
+            return true;
+        }
+
+        $infos = [
+            '%Instance.domain' => $instance->domain,
+            '%Instance.name' => $instance->name,
+            '%Instance.description' => $instance->description ?? '',
+            '%Instance.softwareName' => $instance->softwareName,
+            '%Instance.softwareDescription' => $instance->softwareDescription ?? '',
+            '%Instance.softwareHomepage' => $instance->softwareHomepage ?? '',
+            '%Instance.softwareVersion' => $instance->softwareVersion ?? ''
+        ];
+
+        foreach ($infos as $needle => $replacement) {
+            $note->plainContent = str_replace($needle, $replacement, $note->plainContent);
+            foreach ($note->formattedContent as $type => $content) {
+                $note->formattedContent[$type] = str_replace($needle, $replacement, $content);
+            }
+        }
+
+        return true;
+    }
+}
\ No newline at end of file
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