src/ApiBundle/Api/Util/ObjectCombinationUtil.php

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<?php

namespace ApiBundle\Api\Util;

use AppBundle\Common\ArrayToolkit;

class ObjectCombinationUtil
{
    private $biz;

    private $serviceMap = array(
        'user' => 'User:UserService',
        'course' => 'Course:CourseService',
        'courseSet' => 'Course:CourseSetService',
        'classroom' => 'Classroom:ClassroomService',
    );

    private $methodMap = array(
        'user' => 'findUsersByIds',
        'course' => 'findCoursesByIds',
        'courseSet' => 'findCourseSetsByIds',
        'classroom' => 'findClassroomsByIds',
    );

    public function __construct($biz)
    {
        $this->biz = $biz;
    }

    /**
     * @param $targetObjectType
     * @param $sourceObj
     * @param array $targetIdFields
     */
    public function single(&$sourceObj, array $targetIdFields, $targetObjectType = 'user')
    {
        if (!$sourceObj) {
            return;
        }

        $targetIds = $this->findTargetIds($sourceObj, $targetIdFields);

        $targetObjects = $this->findTargetObjects($targetObjectType, $targetIds);
        $this->replaceSourceObject($targetObjects, $sourceObj, $targetIdFields);
    }

    /**
     * 将 指定属性替换为对象
     * 如 multiple($orderLogs, array('user_id'), 'user')，会将 orderLogs 中的 user_id 替换为 user对象
     *
     * @param $targetObjectType 分为 user, course, courseset, 见全局变量 $serviceMap
     */
    public function multiple(&$sourceObjects, array $targetIdFields, $targetObjectType = 'user')
    {
        if (!$sourceObjects) {
            return;
        }

        $targetIds = array();
        foreach ($sourceObjects as $sourceObject) {