<?php
namespace Automattic\WooCommerce\Blueprint\Schemas;
/**
* Class JsonSchema
*/
class JsonSchema {
/**
* The schema.
*
* @var object The schema.
*/
protected $schema;
/**
* JsonSchema constructor.
*
* @param string $json_path The path to the JSON file.
* @throws \InvalidArgumentException If the JSON is invalid or missing 'steps' field.
*/
public function __construct( $json_path ) {
// phpcs:ignore
$schema = json_decode( file_get_contents( $json_path ) );
$this->schema = $schema;
if ( ! $this->validate() ) {
throw new \InvalidArgumentException( "Invalid JSON or missing 'steps' field." );
}
}
/**
* Returns the steps from the schema.
*
* @return array
*/
public function get_steps() {
return $this->schema->steps;
}
/**
* Returns steps by name.
*
* @param string $name The name of the step.
*
* @return array
*/
public function get_step( $name ) {
$steps = array();
foreach ( $this->schema->steps as $step ) {
if ( $step->step === $name ) {
$steps[] = $step;
}
}
return $steps;
}
/**
* Just makes sure that the JSON contains 'steps' field.
*
* We're going to validate 'steps' later because we can't know the exact schema
* ahead of time. 3rd party plugins can add their step processors.
*
* @return bool[
*/
public function validate() {
if ( json_last_error() !== JSON_ERROR_NONE ) {
return false;
}
if ( ! isset( $this->schema->steps ) ) {
return false;
}
return true;
}
}