Contact.php
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<?php
/**
 * Created by PhpStorm.
 * User: Hanson
 * Date: 2016/12/13
 * Time: 20:56
 */
namespace Hanson\Robot\Collections;
use Illuminate\Support\Collection;
class Contact extends Collection
{
    /**
     * @var Contact
     */
    static $instance = null;
    /**
     * create a single instance
     *
     * @return Contact
     */
    public static function getInstance()
    {
        if(static::$instance === null){
            static::$instance = new Contact();
        }
        return static::$instance;
    }
    /**
     * 根据username获取联系人
     *
     * @param $id
     * @return array
     */
    public function getContactByUsername($id)
    {
        $contact = $this->get($id);
        return $contact ?? [];
    }
    /**
     * 根据微信号获取联系人
     *
     * @param $id
     * @return mixed
     */
    public function getContactById($id)
    {
        $contact = $this->filter(function($item, $key) use ($id){
            if($item['Alias'] === $id){
                return true;
            }
        })->first();
        return $contact;
    }
    /**
     * 根据微信号获取联系username
     *
     * @param $id
     * @return mixed
     */
    public function getUsernameById($id)
    {
        $contact = $this->search(function($item, $key) use ($id){
            if($item['Alias'] === $id){
                return true;
            }
        });
        return $contact;
    }
}