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编辑当前文件:/home/mybf1/www/rambut.bf1.my/wp-content/plugins/siteground-migrator/core/Rest/Rest_Helper.php

<?php
namespace SiteGround_Migrator\Rest;

/**
 * Rest Helper class that process all rest requests and provide json output for react app.
 */
abstract class Rest_Helper {

/**
	 * Checks if the `option_key` paramether exists in rest data.
	 *
	 * @since  2.0.0
	 *
	 * @param  object $request Request data.
	 * @param  string $key     The option key.
	 * @param  bool   $bail    Whether to send json error or to return a response.
	 *
	 * @return string          The option value.
	 */
	public function validate_and_get_option_value( $request, $key, $bail = true ) {
		$data = json_decode( $request->get_body(), true );

// Bail if the option key is not set.
		if ( ! isset( $data[ $key ] ) ) {
			return true === $bail ? self::send_json_error( __( 'Incorrect params used.', 'siteground-migrator' ) ) : false;
		}

return $data[ $key ];
	}

/**
	 * Response result check and return the respective json method.
	 *
	 * @since  2.0.0
	 *
	 * @param  bool   $result  True for success, false for failure.
	 * @param  string $message The response message.
	 * @param  array  $data    Additional data to be send.
	 */
	public function send_json_response( $result, $message = '', $data = array() ) {
		// Return json 400 error response on false.
		if ( false === boolval( $result ) ) {
			self::send_json_error( $message, $data );
			return;
		}

// Return json 200 response on true.
		self::send_json_success( $message, $data );
	}

/**
	 * Json 400 error response.
	 *
	 * @since  2.0.0
	 *
	 * @param  string $message The response message.
	 * @param  array  $data    Additional data to be send.
	 */
	public function send_json_error( $message = '', $data = array() ) {
		self::send_json( 400, $message, $data );
	}

/**
	 * Json 200 success response.
	 *
	 * @since  2.0.0
	 *
	 * @param  string $message The response message.
	 * @param  array  $data    Additional data to be send.
	 */
	public static function send_json_success( $message = '', $data = array() ) {
		self::send_json( 200, $message, $data );
	}

/**
	 * Custom json response.
	 *
	 * @since  2.0.0
	 *
	 * @param  int    $status_code The status code.
	 * @param  string $message     The response message.
	 * @param  array  $data        Additional data to be send.
	 */
	public static function send_json( $status_code, $message = '', $data = array() ) {
		if ( ! headers_sent() ) {
			header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );

if ( null !== $status_code ) {
				status_header( $status_code );
			}
		}

// Return status code.
		$response = array(
			'status' => $status_code,
			'data'   => $data,
		);

// Return message only if it is not empty.
		if ( ! empty( $message ) ) {
			$response['message'] = $message;
		}

echo wp_json_encode( $response );
		exit;
	}

/**
	 * Validate rest request and prepare data.
	 *
	 * @since  2.0.0
	 *
	 * @param  object $request        Request data.
	 * @param  array  $additional_arg Additional arguments.
	 *
	 * @return array                  The prepared data.
	 */
	public function validate_rest_request( $request, $additional_arg = array() ) {
		$body = json_decode( $request->get_body(), true );

$key = key( $body );

return array(
			'key'    => $key,
			'value'  => intval( $body[ $key ] ),
			'option' => 'siteground_migrator_' . $key,
		);
	}
}