From 743837d6fa63a6ff7c7d562e51dedc3b99dced5a Mon Sep 17 00:00:00 2001
From: M_Viper <admin@m-viper.de>
Date: Sat, 21 Mar 2026 18:47:36 +0100
Subject: [PATCH] Upload file uninstall.php via GUI

---
 uninstall.php | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 uninstall.php

diff --git a/uninstall.php b/uninstall.php
new file mode 100644
index 0000000..e0a667a
--- /dev/null
+++ b/uninstall.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * WP Business Forum — Uninstaller
+ * Wird automatisch aufgerufen wenn das Plugin über WP-Admin gelöscht wird.
+ * Entfernt: alle DB-Tabellen, wp_options, Transients, Cron-Jobs, Upload-Verzeichnis.
+ */
+
+// Sicherheits-Check — nur via WordPress-Uninstall erlaubt
+if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
+    exit;
+}
+
+global $wpdb;
+
+// ── 1. Alle Datenbank-Tabellen löschen ───────────────────────────────────────
+// Reihenfolge beachten: abhängige Tabellen zuerst (Foreign Keys)
+$tables = [
+    'forum_poll_votes',
+    'forum_polls',
+    'forum_reactions',
+    'forum_notifications',
+    'forum_subscriptions',
+    'forum_invites',
+    'forum_thread_tags',
+    'forum_tags',
+    'forum_reports',
+    'forum_likes',
+    'forum_messages',
+    'forum_remember_tokens',
+    'forum_user_meta',
+    'forum_posts',
+    'forum_threads',
+    'forum_categories',
+    'forum_users',
+];
+
+foreach ( $tables as $table ) {
+    $wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}{$table}`" );
+}
+
+// ── 2. Alle wp_options löschen ───────────────────────────────────────────────
+$options = [
+    'wbf_settings',
+    'wbf_custom_roles',
+    'wbf_level_config',
+    'wbf_levels_enabled',
+    'wbf_profile_fields',
+    'wbf_reactions',
+    'wbf_forum_page_id',
+    'wbf_superadmin_email',
+    'wbf_db_version',
+];
+
+foreach ( $options as $option ) {
+    delete_option( $option );
+}
+
+// Multisite: Netzwerk-Optionen ebenfalls entfernen
+if ( is_multisite() ) {
+    foreach ( $options as $option ) {
+        delete_site_option( $option );
+    }
+}
+
+// ── 3. Transients löschen ────────────────────────────────────────────────────
+delete_transient( 'wbf_activation_redirect' );
+delete_transient( 'wbf_stats_cache' );
+
+// Alle wbf_* Transients per LIKE-Query entfernen
+$wpdb->query(
+    "DELETE FROM `{$wpdb->options}`
+     WHERE `option_name` LIKE '_transient_wbf_%'
+        OR `option_name` LIKE '_transient_timeout_wbf_%'"
+);
+
+// ── 4. Geplante Cron-Jobs entfernen ──────────────────────────────────────────
+wp_clear_scheduled_hook( 'wbf_check_expired_bans' );
+
+// ── 5. Forum-Seite löschen (vom Setup-Wizard erstellt) ───────────────────────
+$forum_page_id = get_option( 'wbf_forum_page_id' );
+if ( $forum_page_id ) {
+    wp_delete_post( (int) $forum_page_id, true ); // true = dauerhaft löschen
+}
+
+// ── 6. Upload-Unterverzeichnis entfernen ─────────────────────────────────────
+$upload_dir = wp_upload_dir();
+$wbf_dir    = trailingslashit( $upload_dir['basedir'] ) . 'wbf-avatars';
+if ( is_dir( $wbf_dir ) ) {
+    wbf_uninstall_rmdir( $wbf_dir );
+}
+
+/**
+ * Hilfsfunktion: Verzeichnis rekursiv löschen.
+ * Nur innerhalb des WP-Upload-Verzeichnisses erlaubt.
+ */
+function wbf_uninstall_rmdir( $dir ) {
+    $upload_base = wp_upload_dir()['basedir'];
+    // Sicherheitscheck: nur Unterverzeichnisse von uploads/ löschen
+    if ( strpos( realpath( $dir ), realpath( $upload_base ) ) !== 0 ) {
+        return;
+    }
+    $files = array_diff( scandir( $dir ), [ '.', '..' ] );
+    foreach ( $files as $file ) {
+        $path = $dir . DIRECTORY_SEPARATOR . $file;
+        is_dir( $path ) ? wbf_uninstall_rmdir( $path ) : unlink( $path );
+    }
+    rmdir( $dir );
+}
\ No newline at end of file