Settingspage - Source Excerpt 03

Back to Settingspage

Summary

This source excerpt preserves a bounded section of Antichrist.net/wp-content/plugins/uaix-locale-router/src/Admin/SettingsPage.php so readers can inspect the evidence without opening the full source file.

**Source path:** Antichrist.net/wp-content/plugins/uaix-locale-router/src/Admin/SettingsPage.php

return $settings;
	}

	/**
	 * Handle adding a locale to the supported list.
	 *
	 * @return void
	 */
	public static function handle_add_locale() {
		self::assert_permissions( 'uaixlr_add_locale' );

		$tag = isset( $_POST['new_locale_tag'] ) ? LocaleValidator::canonicalize_tag( wp_unslash( $_POST['new_locale_tag'] ) ) : '';

		if ( '' === $tag || ! LocaleValidator::is_valid_locale_tag( $tag ) ) {
			Plugin::set_flash_notice( 'Please enter a valid locale tag such as en-US.', 'error' );
			wp_safe_redirect( AdminPages::page_url( 'uaixlr-locales' ) );
			exit;
		}

		if ( ! empty( LocaleRepository::get_supported_locale( $tag ) ) ) {
			Plugin::set_flash_notice( sprintf( '%s is already in the supported locale list.', $tag ), 'info' );
			wp_safe_redirect( AdminPages::page_url( 'uaixlr-locales' ) );
			exit;
		}

		$locales   = LocaleRepository::get_supported_locales();
		$locales[] = LocaleRepository::build_record_for_tag(
			$tag,
			array(
				'enabled'   => false,
				'isDefault' => false,
				'fallback'  => Plugin::settings()['default_locale'],
			)
		);

		LocaleRepository::save_supported_locales( $locales );
		Plugin::clear_localized_home_diagnostics();
		Plugin::set_flash_notice( sprintf( '%s added to the locale catalog.', $tag ) );

		wp_safe_redirect( AdminPages::page_url( 'uaixlr-locales' ) );
		exit;
	}

	/**
	 * Handle supported locale updates.
	 *
	 * @return void
	 */
	public static function handle_update_locales() {
		self::assert_permissions( 'uaixlr_update_locales' );

		$posted_locales = isset( $_POST['supported_locales'] ) && is_array( $_POST['supported_locales'] ) ? wp_unslash( $_POST['supported_locales'] ) : array();
		$default_locale = isset( $_POST['default_locale'] ) ? LocaleValidator::canonicalize_tag( wp_unslash( $_POST['default_locale'] ) ) : '';
		$updated        = array();
		$existing       = array();

		foreach ( LocaleRepository::get_supported_locales() as $record ) {
			$existing[ $record['tag'] ] = $record;
		}

		foreach ( $posted_locales as $tag => $record ) {
			if ( ! is_array( $record ) || ! empty( $record['remove'] ) ) {
				continue;
			}

			$tag = LocaleValidator::canonicalize_tag( $tag );

			if ( '' === $tag ) {
				continue;
			}

			$preserved = isset( $existing[ $tag ] ) ? $existing[ $tag ] : array();
			$overrides = array(
				'enabled'   => ! empty( $record['enabled'] ),
				'isDefault' => $tag === $default_locale,
				'fallback'  => isset( $record['fallback'] ) ? LocaleValidator::canonicalize_tag( $record['fallback'] ) : Plugin::settings()['default_locale'],
			);

			foreach ( array( 'language', 'nativeName', 'region', 'script', 'isRtl' ) as $field ) {
				if ( array_key_exists( $field, $preserved ) ) {
					$overrides[ $field ] = $preserved[ $field ];
				}
			}

			$updated[] = LocaleRepository::build_record_for_tag(
				$tag,
				$overrides
			);
		}

		if ( empty( $updated ) ) {
			Plugin::set_flash_notice( 'At least one locale must remain configured.', 'error' );
			wp_safe_redirect( AdminPages::page_url( 'uaixlr-locales' ) );
			exit;
		}

		$has_enabled = false;

		foreach ( $updated as &$record ) {
			if ( ! empty( $record['enabled'] ) ) {
				$has_enabled = true;
			}
		}
		unset( $record );

		if ( ! $has_enabled ) {
			$updated[0]['enabled'] = true;
		}

		$default_exists = false;

		foreach ( $updated as &$record ) {
			$record['isDefault'] = $record['tag'] === $default_locale;

			if ( $record['isDefault'] ) {
				$record['enabled'] = true;
				$default_exists    = true;
			}
		}
		unset( $record );

		if ( ! $default_exists ) {
			$updated[0]['isDefault'] = true;
			$updated[0]['enabled']   = true;
			$default_locale          = $updated[0]['tag'];
		}

		LocaleRepository::save_supported_locales( $updated );

		$settings                   = Plugin::settings();
		$settings['default_locale'] = $default_locale;
		Plugin::update_settings( $settings );
		Plugin::clear_localized_home_diagnostics();

		Plugin::set_flash_notice( 'Supported locales updated.' );
		wp_safe_redirect( AdminPages::page_url( 'uaixlr-locales' ) );
		exit;
	}

	/**
	 * Capability and nonce guard.
	 *
	 * @param string $action Nonce action.
	 * @return void
	 */
	private static function assert_permissions( $action ) {
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_die( esc_html__( 'You are not allowed to manage locale settings.', 'uaix-locale-router' ) );
		}

		check_admin_referer( $action );
	}
}