* @return void
	 */
	public function ajax_delete_redirect() {
		$this->verify_request();

		if ( ! $this->security->check_pin_session( 'delete' ) ) {
			wp_send_json_error( 'pin_required' );
		}

		global $wpdb;

		$id       = absint( $_POST['id'] ?? 0 );
		$redirect = $wpdb->get_row(
			$wpdb->prepare( "SELECT * FROM {$this->redirects->get_table()} WHERE id = %d", $id ),
			ARRAY_A
		);

		$result = $wpdb->delete( $this->redirects->get_table(), array( 'id' => $id ), array( '%d' ) );

		if ( $result ) {
			$this->audit->log( 'redirect_deleted', 'redirect', $id, $redirect );
			wp_send_json_success( __( 'Przekierowanie usunięte', '404-to-301-monitor-pro' ) );
		} else {
			wp_send_json_error( __( 'Błąd podczas usuwania', '404-to-301-monitor-pro' ) );
		}
	}

	/**
	 * AJAX: Bulk delete redirects.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_bulk_delete_redirects() {
		$this->verify_request();

		if ( ! $this->security->check_pin_session( 'bulk_delete' ) ) {
			wp_send_json_error( 'pin_required' );
		}

		$ids = isset( $_POST['ids'] ) ? array_map( 'absint', (array) $_POST['ids'] ) : array();
		$ids = array_filter( $ids );

		if ( empty( $ids ) ) {
			wp_send_json_error( __( 'Nie wybrano przekierowań', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$placeholders = implode( ',', array_fill( 0, count( $ids ), '%d' ) );
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM {$this->redirects->get_table()} WHERE id IN ($placeholders)", $ids ) );

		if ( $deleted ) {
			$this->audit->log( 'bulk_delete_redirects', 'redirect', 0, null, array( 'count' => $deleted ) );
			/* translators: %d: number of deleted redirects */
			wp_send_json_success( sprintf( __( 'Usunięto %d przekierowań', '404-to-301-monitor-pro' ), $deleted ) );
		} else {
			wp_send_json_error( __( 'Błąd podczas usuwania', '404-to-301-monitor-pro' ) );
		}
	}

	/**
	 * AJAX: Bulk activate/deactivate redirects.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_bulk_toggle_redirects() {
		$this->verify_request();

		$ids    = isset( $_POST['ids'] ) ? array_map( 'absint', (array) $_POST['ids'] ) : array();
		$ids    = array_filter( $ids );
		$action = sanitize_text_field( wp_unslash( $_POST['toggle_action'] ?? '' ) );

		if ( empty( $ids ) || ! in_array( $action, array( 'activate', 'deactivate' ), true ) ) {
			wp_send_json_error( __( 'Nieprawidłowe dane', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$is_active    = 'activate' === $action ? 1 : 0;
		$placeholders = implode( ',', array_fill( 0, count( $ids ), '%d' ) );
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$updated = $wpdb->query( $wpdb->prepare( "UPDATE {$this->redirects->get_table()} SET is_active = %d WHERE id IN ($placeholders)", array_merge( array( $is_active ), $ids ) ) );

		if ( false !== $updated ) {
			$this->audit->log( 'bulk_toggle_redirects', 'redirect', 0, null, array( 'action' => $action, 'count' => $updated ) );
			/* translators: %d: number of redirects */
			$msg = 'activate' === $action
				? sprintf( __( 'Aktywowano %d przekierowań', '404-to-301-monitor-pro' ), $updated )
				: sprintf( __( 'Dezaktywowano %d przekierowań', '404-to-301-monitor-pro' ), $updated );
			wp_send_json_success( $msg );
		} else {
			wp_send_json_error( __( 'Błąd podczas aktualizacji', '404-to-301-monitor-pro' ) );
		}
	}

	/**
	 * AJAX: Duplicate a redirect.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_duplicate_redirect() {
		$this->verify_request();

		global $wpdb;

		$id       = absint( $_POST['id'] ?? 0 );
		$redirect = $wpdb->get_row(
			$wpdb->prepare( "SELECT * FROM {$this->redirects->get_table()} WHERE id = %d", $id ),
			ARRAY_A
		);

		if ( ! $redirect ) {
			wp_send_json_error( __( 'Przekierowanie nie istnieje', '404-to-301-monitor-pro' ) );
		}

		unset( $redirect['id'] );
		$redirect['source_url']  .= '-copy';
		$redirect['source_hash']  = $this->security->hash_url( $redirect['source_url'] );
		$redirect['created_by']   = get_current_user_id();
		$redirect['created_at']   = current_time( 'mysql' );
		$redirect['updated_at']   = current_time( 'mysql' );
		$redirect['hit_count']    = 0;

		$result = $wpdb->insert( $this->redirects->get_table(), $redirect );

		if ( $result ) {
			$this->audit->log( 'redirect_duplicated', 'redirect', $wpdb->insert_id );
			wp_send_json_success( array( 'id' => $wpdb->insert_id, 'message' => __( 'Przekierowanie skopiowane', '404-to-301-monitor-pro' ) ) );
		} else {
			wp_send_json_error( __( 'Błąd podczas kopiowania', '404-to-301-monitor-pro' ) );
		}
	}

	/* ------------------------------------------------------------------ */
	/*  404 MANAGEMENT                                                     */
	/* ------------------------------------------------------------------ */

	/**
	 * AJAX: Delete a single 404 entry.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_delete_404() {
		$this->verify_request();

		global $wpdb;

		$id     = absint( $_POST['id'] ?? 0 );
		$result = $wpdb->delete( $wpdb->prefix . '404_monitor_pro', array( 'id' => $id ), array( '%d' ) );

		if ( $result ) {
			wp_send_json_success( __( 'Wpis usunięty', '404-to-301-monitor-pro' ) );
		} else {
			wp_send_json_error( __( 'Błąd podczas usuwania', '404-to-301-monitor-pro' ) );
		}
	}

	/**
	 * AJAX: Bulk delete all 404 entries.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_bulk_delete_404() {
		$this->verify_request();

		if ( ! $this->security->check_pin_session( 'bulk_delete' ) ) {
			wp_send_json_error( 'pin_required' );
		}

		$confirm = sanitize_text_field( wp_unslash( $_POST['confirm_truncate'] ?? '' ) );
		if ( 'DELETE_ALL_LOGS' !== $confirm ) {
			wp_send_json_error( __( 'Brak potwierdzenia operacji', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$deleted = $wpdb->query( "DELETE FROM {$wpdb->prefix}404_monitor_pro" );

		$this->audit->log( 'bulk_delete_404', '404_logs', 0, null, array( 'count' => $deleted ) );
		wp_send_json_success( __( 'Wszystkie wpisy usunięte', '404-to-301-monitor-pro' ) );
	}

	/**
	 * AJAX: Bulk delete selected 404 entries.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_bulk_delete_selected_404() {
		$this->verify_request();

		$ids = isset( $_POST['ids'] ) ? array_map( 'absint', (array) $_POST['ids'] ) : array();
		$ids = array_filter( $ids );

		if ( empty( $ids ) ) {
			wp_send_json_error( __( 'Nie wybrano wpisów', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$placeholders = implode( ',', array_fill( 0, count( $ids ), '%d' ) );
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}404_monitor_pro WHERE id IN ($placeholders)", $ids ) );

		if ( $deleted ) {
			/* translators: %d: number of deleted entries */
			wp_send_json_success( sprintf( __( 'Usunięto %d wpisów', '404-to-301-monitor-pro' ), $deleted ) );
		} else {
			wp_send_json_error( __( 'Błąd podczas usuwania', '404-to-301-monitor-pro' ) );
		}
	}

	/**
	 * AJAX: Bulk resolve (mark as resolved) 404 entries.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_bulk_resolve_404() {
		$this->verify_request();

		$ids = isset( $_POST['ids'] ) ? array_map( 'absint', (array) $_POST['ids'] ) : array();
		$ids = array_filter( $ids );

		if ( empty( $ids ) ) {
			wp_send_json_error( __( 'Nie wybrano wpisów', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$placeholders = implode( ',', array_fill( 0, count( $ids ), '%d' ) );
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$updated = $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->prefix}404_monitor_pro SET status = 'resolved' WHERE id IN ($placeholders)", $ids ) );

		if ( false !== $updated ) {
			/* translators: %d: number of resolved entries */
			wp_send_json_success( sprintf( __( 'Oznaczono %d jako rozwiązane', '404-to-301-monitor-pro' ), $updated ) );
		} else {
			wp_send_json_error( __( 'Błąd podczas aktualizacji', '404-to-301-monitor-pro' ) );
		}
	}

	/* ------------------------------------------------------------------ */
	/*  EXPORT / IMPORT                                                    */
	/* ------------------------------------------------------------------ */

	/**
	 * AJAX: Export redirects to CSV.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_export_redirects() {
		if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['nonce'] ) ), 'monitor_404_nonce' ) ) {
			wp_die( esc_html__( 'Nieprawidłowy token', '404-to-301-monitor-pro' ) );
		}

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_die( esc_html__( 'Brak uprawnień', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$redirects = $wpdb->get_results(
			"SELECT source_url, target_url, redirect_type, match_type, query_string_handling, device_type, is_active, hit_count
			FROM {$this->redirects->get_table()} ORDER BY created_at DESC",
			ARRAY_A
		);

		$filename = 'redirects-' . gmdate( 'Y-m-d' ) . '.csv';

		header( 'Content-Type: text/csv; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename=' . $filename );
		header( 'Pragma: no-cache' );
		header( 'Expires: 0' );

		$output = fopen( 'php://output', 'w' );
		// Add BOM for Excel UTF-8 compatibility.
		fwrite( $output, "\xEF\xBB\xBF" );
		fputcsv( $output, array( 'Source URL', 'Target URL', 'Type', 'Match Type', 'Query Handling', 'Device', 'Active', 'Hits' ) );

		foreach ( $redirects as $redirect ) {
			fputcsv( $output, $redirect );
		}

		fclose( $output );
		exit;
	}

	/**
	 * AJAX: Export 404 logs to CSV.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_export_404() {
		if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['nonce'] ) ), 'monitor_404_nonce' ) ) {
			wp_die( esc_html__( 'Nieprawidłowy token', '404-to-301-monitor-pro' ) );
		}

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_die( esc_html__( 'Brak uprawnień', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$table = $wpdb->prefix . '404_monitor_pro';

		// Support filtered export.
		$where = array( '1=1' );
		$args  = array();

		$filter_bots   = isset( $_GET['filter_bots'] ) ? intval( $_GET['filter_bots'] ) : -1;
		$filter_cat    = isset( $_GET['filter_category'] ) ? sanitize_text_field( wp_unslash( $_GET['filter_category'] ) ) : '';
		$filter_status = isset( $_GET['filter_status'] ) ? sanitize_text_field( wp_unslash( $_GET['filter_status'] ) ) : '';

		if ( $filter_bots >= 0 ) {
			$where[] = 'is_bot = %d';
			$args[]  = $filter_bots;
		}
		if ( ! empty( $filter_cat ) ) {
			$where[] = 'bot_category = %s';
			$args[]  = $filter_cat;
		}
		if ( ! empty( $filter_status ) ) {
			$where[] = 'status = %s';
			$args[]  = $filter_status;
		}

		$where_sql = implode( ' AND ', $where );

		if ( ! empty( $args ) ) {
			// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
			$results = $wpdb->get_results(
				$wpdb->prepare(
					"SELECT url, referer, user_agent, ip_address, hit_count, is_bot, bot_name, bot_category, status, first_detected, last_detected FROM {$table} WHERE {$where_sql} ORDER BY last_detected DESC",
					$args
				),
				ARRAY_A
			);
		} else {
			$results = $wpdb->get_results(
				"SELECT url, referer, user_agent, ip_address, hit_count, is_bot, bot_name, bot_category, status, first_detected, last_detected FROM {$table} ORDER BY last_detected DESC",
				ARRAY_A
			);
		}

		$filename = '404-errors-' . gmdate( 'Y-m-d' ) . '.csv';

		header( 'Content-Type: text/csv; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename=' . $filename );
		header( 'Pragma: no-cache' );
		header( 'Expires: 0' );

		$output = fopen( 'php://output', 'w' ); // phpcs:ignore WordPress.WP.AlternativeFunctions
		fwrite( $output, "\xEF\xBB\xBF" ); // phpcs:ignore WordPress.WP.AlternativeFunctions
		fputcsv( $output, array( 'URL', 'Referer', 'User Agent', 'IP', 'Hits', 'Bot', 'Bot Name', 'Category', 'Status', 'First Detected', 'Last Detected' ) );

		foreach ( $results as $row ) {
			fputcsv( $output, $row );
		}

		fclose( $output ); // phpcs:ignore WordPress.WP.AlternativeFunctions
		exit;
	}

	/**
	 * AJAX: Import redirects from CSV.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_import_redirects() {
		$this->verify_request();

		if ( ! $this->security->check_pin_session( 'import' ) ) {
			wp_send_json_error( 'pin_required' );
		}

		if ( ! isset( $_FILES['file'] ) ) {
			wp_send_json_error( __( 'Brak pliku', '404-to-301-monitor-pro' ) );
		}

		$file_info = wp_check_filetype( $_FILES['file']['name'] );
		if ( 'csv' !== $file_info['ext'] ) {
			wp_send_json_error( __( 'Dozwolone są tylko pliki CSV', '404-to-301-monitor-pro' ) );
		}

		$file   = $_FILES['file']['tmp_name'];
		$handle = fopen( $file, 'r' ); // phpcs:ignore WordPress.WP.AlternativeFunctions
		if ( false === $handle ) {
			wp_send_json_error( __( 'Nie można otworzyć pliku', '404-to-301-monitor-pro' ) );
		}

		global $wpdb;

		$imported     = 0;
		$skipped      = 0;
		$header       = true;
		$current_time = current_time( 'mysql' );

		while ( ( $data = fgetcsv( $handle, 2048, ',' ) ) !== false ) {
			if ( $header ) {
				$header = false;
				continue;
			}

			if ( count( $data ) < 3 ) {
				++$skipped;
				continue;
			}

			$source         = $this->security->sanitize_url( $data[0] );
			$target         = esc_url_raw( $data[1] );
			$type           = isset( $data[2] ) ? absint( $data[2] ) : 301;
			$match_type     = isset( $data[3] ) ? sanitize_text_field( $data[3] ) : 'exact';
			$query_handling = isset( $data[4] ) ? sanitize_text_field( $data[4] ) : 'ignore';
			$device_type    = isset( $data[5] ) ? sanitize_text_field( $data[5] ) : 'all';

			if ( ! in_array( $type, array( 301, 302, 307, 308 ), true ) ) {
				$type = 301;
			}
			if ( ! in_array( $match_type, array( 'exact', 'regex', 'contains' ), true ) ) {
				$match_type = 'exact';
			}
			if ( ! in_array( $query_handling, array( 'ignore', 'append', 'replace' ), true ) ) {
				$query_handling = 'ignore';
			}
			if ( ! in_array( $device_type, array( 'all', 'mobile', 'desktop' ), true ) ) {
				$device_type = 'all';
			}

			if ( $this->security->validate_redirect_url( $target ) ) {
				$wpdb->insert(
					$this->redirects->get_table(),
					array(
						'source_url'            => $source,
						'source_hash'           => $this->security->hash_url( $source ),
						'target_url'            => $target,
						'redirect_type'         => $type,
						'match_type'            => $match_type,
						'query_string_handling' => $query_handling,
						'device_type'           => $device_type,
						'is_active'             => 1,
						'created_by'            => get_current_user_id(),
						'created_at'            => $current_time,
						'updated_at'            => $current_time,
					),
					array( '%s', '%s', '%s', '%d', '%s', '%s', '%s', '%d', '%d', '%s', '%s' )
				);
				++$imported;
			} else {
				++$skipped;
			}
		}

		fclose( $handle ); // phpcs:ignore WordPress.WP.AlternativeFunctions

		$this->audit->log( 'import_redirects', 'redirect', 0, null, array( 'imported' => $imported, 'skipped' => $skipped ) );
		wp_send_json_success( array( 'imported' => $imported, 'skipped' => $skipped ) );
	}

	/**
	 * AJAX: Import redirects from another plugin (Redirection).
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_import_from_plugin() {
		$this->verify_request();

		if ( ! $this->security->check_pin_session( 'import' ) ) {
			wp_send_json_error( 'pin_required' );
		}

		$plugin = sanitize_text_field( wp_unslash( $_POST['plugin'] ?? '' ) );

		global $wpdb;

		$imported     = 0;
		$current_time = current_time( 'mysql' );

		switch ( $plugin ) {
			case 'redirection':
				$source_table = $wpdb->prefix . 'redirection_items';

				$table_exists = $wpdb->get_var(
					$wpdb->prepare( 'SHOW TABLES LIKE %s', $source_table )
				);

				if ( ! $table_exists ) {
					wp_send_json_error( __( 'Tabela Redirection nie znaleziona', '404-to-301-monitor-pro' ) );
				}

				$redirects = $wpdb->get_results(
					$wpdb->prepare(
						"SELECT url, action_data, action_code FROM {$source_table} WHERE status = %s",
						'enabled'
					),
					ARRAY_A
				);

				foreach ( $redirects as $redirect ) {
					$source = $this->security->sanitize_url( $redirect['url'] );
					$target = esc_url_raw( $redirect['action_data'] );
					$type   = absint( $redirect['action_code'] );

					if ( $this->security->validate_redirect_url( $target ) ) {
						$wpdb->insert(
							$this->redirects->get_table(),
							array(
								'source_url'    => $source,
								'source_hash'   => $this->security->hash_url( $source ),
								'target_url'    => $target,
								'redirect_type' => $type,
								'match_type'    => 'exact',
								'is_active'     => 1,
								'created_by'    => get_current_user_id(),
								'created_at'    => $current_time,
								'updated_at'    => $current_time,
							),
							array( '%s', '%s', '%s', '%d', '%s', '%d', '%d', '%s', '%s' )
						);
						++$imported;
					}
				}
				break;

			default:
				wp_send_json_error( __( 'Nieobsługiwany plugin', '404-to-301-monitor-pro' ) );
		}

		$this->audit->log( 'import_from_plugin', 'redirect', 0, null, array( 'plugin' => $plugin, 'imported' => $imported ) );
		wp_send_json_success( array( 'imported' => $imported ) );
	}

	/**
	 * AJAX: Verify PIN.
	 *
	 * @since 3.0.0
	 * @return void
	 */
	public function ajax_verify_pin() {
		$this->verify_request();

		$pin = sanitize_text_field( wp_unslash( $_POST['pin'] ?? '' ) );

		if ( $this->security->verify_pin( $pin ) ) {
			$this->security->set_pin_verified();
			wp_send_json_success( __( 'PIN zweryfikowany', '404-to-301-monitor-pro' ) );
		} else {
			wp_send_json_error( __( 'Nieprawidłowy PIN', '404-to-301-monitor-pro' ) );
		}
	}
}
<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//techwebsite.pl/wp-content/plugins/wordpress-seo/css/main-sitemap.xsl"?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
	<sitemap>
		<loc>https://techwebsite.pl/post-sitemap.xml</loc>
		<lastmod>2026-02-26T05:37:28+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/post-sitemap2.xml</loc>
		<lastmod>2026-02-26T05:37:28+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/page-sitemap.xml</loc>
		<lastmod>2026-02-16T13:01:47+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/product-sitemap.xml</loc>
		<lastmod>2025-11-24T13:40:06+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/category-sitemap.xml</loc>
		<lastmod>2026-02-26T05:37:28+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/post_tag-sitemap.xml</loc>
		<lastmod>2024-10-31T18:02:25+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/product_cat-sitemap.xml</loc>
		<lastmod>2025-11-24T13:40:06+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://techwebsite.pl/product_tag-sitemap.xml</loc>
		<lastmod>2025-03-10T07:44:54+00:00</lastmod>
	</sitemap>
</sitemapindex>
<!-- XML Sitemap generated by Yoast SEO -->