Init FreshRSS extension

extension.php

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+<?php
+
+/**
+ * Name: Telegram Link Fixer
+ * Description: Rewrite the <link> from the feed with one extracted from <description>.
+ * Author: Your Name
+ * Version: 1.0
+ */
+
+class TelegramLinkFixerExtension extends Minz_Extension
+{
+    /**
+     * Called automatically at extension load-time. Set up hooks here.
+     */
+    public function init()
+    {
+        // Hook into FreshRSS just before each entry is saved to database:
+        $this->registerHook('entry_before_insert', array($this, 'fixLink'));
+    }
+
+    /**
+     * Our main function to rewrite the <link> from <description>.
+     */
+    public static function fixLink($entry)
+    {
+        // Check if it's a telegram link
+        $link = $entry->link();
+        if (strpos($link, 't.me') === false) {
+            return;  // skip if not a telegram link
+        }
+
+        $description = $entry->description();
+        if (empty($description)) {
+            return;
+        }
+
+        // Look specifically for Telegraph links
+        if (preg_match('/<a[^>]*?href="(https:\/\/telegra\.ph\/[^"]+)"[^>]*>Telegraph<\/a>/i', $description, $matches)) {
+            $telegraphLink = $matches[1];
+            if (!empty($telegraphLink)) {
+                $entry->_link($telegraphLink);
+            }
+        }
+    }
+}

metadata.json

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+{
+	"name": "Telegram Channel Feed Link Fixer",
+	"author": "Tiger Ren",
+	"description": "Extract telegraph link from telegram channel feed and replace it with the original link.",
+	"version": "0.01",
+	"entrypoint": "TelegramLinkFixer",
+	"type": "user"
+}