From 2c9040fa81fb8c247e7caa2a6bfd4199c9446b09 Mon Sep 17 00:00:00 2001
From: Patrick Niebeling <patrick.niebeling@adacor.com>
Date: Wed, 12 Feb 2025 21:18:24 +0100
Subject: [PATCH] v1.4

Signed-off-by: Patrick Niebeling <patrick.niebeling@adacor.com>
---
 uuid-file-renamer.php | 111 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 103 insertions(+), 8 deletions(-)

diff --git a/uuid-file-renamer.php b/uuid-file-renamer.php
index a6c5953..46e9a3f 100644
--- a/uuid-file-renamer.php
+++ b/uuid-file-renamer.php
@@ -2,9 +2,9 @@
 
 /**
  * Plugin Name: UUID File Renamer
- * Description: Dieses Plugin benennt hochgeladene Dateien automatisch in eine UUID um.
+ * Description: Dieses Plugin benennt hochgeladene Dateien automatisch in eine UUID um und ermöglicht das Umbenennen bestehender Medien direkt in der Mediathek.
  * Plugin URI:  https://gitea.gnilebein.de/gnilebein/wordpres-uuid-file-renamer
- * Version: 1.1
+ * Version: 1.4
  * Author: Patrick Niebeling <patrick@niebel.ing>
  * Author URI:  https://gnilebein.de
  * Text Domain: uuid-file-renamer
@@ -16,15 +16,110 @@ add_filter('wp_handle_upload_prefilter', 'rename_file_to_uuid');
 
 function rename_file_to_uuid($file)
 {
-    // Generiere eine UUID
     $uuid = wp_generate_uuid4();
-
-    // Dateiendung beibehalten
     $file_info = pathinfo($file['name']);
     $extension = isset($file_info['extension']) ? '.' . $file_info['extension'] : '';
-
-    // Neuen Dateinamen setzen
     $file['name'] = $uuid . $extension;
-
     return $file;
 }
+
+// Medienbearbeitungsseite erweitern
+add_filter('attachment_fields_to_edit', 'add_uuid_rename_button', 10, 2);
+function add_uuid_rename_button($form_fields, $post) {
+    $form_fields['uuid_rename'] = array(
+        'label' => __('UUID umbenennen', 'uuid-file-renamer'),
+        'input' => 'html',
+        'html' => '<button type="button" class="button rename-to-uuid" data-id="' . $post->ID . '">' . __('In UUID umbenennen', 'uuid-file-renamer') . '</button>'
+    );
+    return $form_fields;
+}
+
+// AJAX-Handler für Einzel-Umbenennung
+add_action('wp_ajax_rename_media_to_uuid', 'rename_media_to_uuid_ajax');
+function rename_media_to_uuid_ajax() {
+    if (!current_user_can('manage_options')) {
+        wp_send_json_error(__('Keine Berechtigung.', 'uuid-file-renamer'));
+    }
+    if (!isset($_POST['attachment_id'])) {
+        wp_send_json_error(__('Fehlende Anhangs-ID.', 'uuid-file-renamer'));
+    }
+    $attachment_id = intval($_POST['attachment_id']);
+    rename_existing_media_to_uuid($attachment_id);
+    wp_send_json_success(__('Datei erfolgreich umbenannt.', 'uuid-file-renamer'));
+}
+
+// Medienübersicht erweitern
+add_filter('bulk_actions-upload', 'register_bulk_uuid_rename');
+function register_bulk_uuid_rename($bulk_actions) {
+    $bulk_actions['rename_to_uuid'] = __('In UUID umbenennen', 'uuid-file-renamer');
+    return $bulk_actions;
+}
+
+// Batch-Umbenennung verarbeiten
+add_filter('handle_bulk_actions-upload', 'handle_bulk_uuid_rename', 10, 3);
+function handle_bulk_uuid_rename($redirect_to, $doaction, $attachment_ids) {
+    if ($doaction !== 'rename_to_uuid') {
+        return $redirect_to;
+    }
+    foreach ($attachment_ids as $attachment_id) {
+        rename_existing_media_to_uuid($attachment_id);
+    }
+    $redirect_to = add_query_arg('bulk_uuid_renamed', count($attachment_ids), $redirect_to);
+    return $redirect_to;
+}
+
+// Funktion zum Umbenennen bestehender Medien inkl. Thumbnails
+function rename_existing_media_to_uuid($attachment_id) {
+    $uuid = wp_generate_uuid4();
+    $file_path = get_attached_file($attachment_id);
+    $file_info = pathinfo($file_path);
+    $new_file_path = $file_info['dirname'] . '/' . $uuid . '.' . $file_info['extension'];
+
+    // Metadaten der Bilder abrufen
+    $metadata = wp_get_attachment_metadata($attachment_id);
+    $upload_dir = wp_upload_dir();
+
+    if (rename($file_path, $new_file_path)) {
+        update_attached_file($attachment_id, $new_file_path);
+        wp_update_post(array(
+            'ID' => $attachment_id,
+            'post_title' => $uuid,
+            'post_name' => $uuid
+        ));
+
+        // Thumbnails umbenennen
+        if (!empty($metadata['sizes'])) {
+            foreach ($metadata['sizes'] as $size => $data) {
+                $old_thumb_path = $upload_dir['basedir'] . '/' . dirname($metadata['file']) . '/' . $data['file'];
+                $thumb_info = pathinfo($old_thumb_path);
+                $new_thumb_path = $thumb_info['dirname'] . '/' . $uuid . '-' . $data['width'] . 'x' . $data['height'] . '.' . $thumb_info['extension'];
+                if (file_exists($old_thumb_path)) {
+                    rename($old_thumb_path, $new_thumb_path);
+                    $metadata['sizes'][$size]['file'] = basename($new_thumb_path);
+                }
+            }
+            wp_update_attachment_metadata($attachment_id, $metadata);
+        }
+    }
+}
+
+// JS für Button hinzufügen
+add_action('admin_footer', 'uuid_renamer_js');
+function uuid_renamer_js() {
+    echo '<script>
+    jQuery(document).ready(function($) {
+        $(document).on("click", ".rename-to-uuid", function() {
+            var button = $(this);
+            var attachmentId = button.data("id");
+            $.post(ajaxurl, { action: "rename_media_to_uuid", attachment_id: attachmentId }, function(response) {
+                if (response.success) {
+                    alert(response.data);
+                    location.reload();
+                } else {
+                    alert(response.data);
+                }
+            });
+        });
+    });
+    </script>';
+}