HashIdHelper

HashIdHelper.php

<?php

namespace App\Models\Traits;

use Hashids;

trait HashIdHelper
{
    private $hashId;

    public function getHashIdAttribute()
    {
        if (!$this->hashId) {
            $this->hashId = Hashids::connection(self::getHashIdConnection())->encode($this->id);
        }

        return $this->hashId;
    }

    // 先将参数 decode 为模型id，再调用父类的 resolveRouteBinding 方法
    public function resolveRouteBinding($value)
    {
        $value = $this->decodeHashId($value);
        if (!$value) {
            return;
        }
        return parent::resolveRouteBinding($value);
    }

    public static function decodeHashId($hashId)
    {
        return current(Hashids::connection(self::getHashIdConnection())->decode($hashId));
    }

    public function scopeWhereHashId($query, $hashId)
    {
        return $query->where('id', $this->decodeHashId($hashId));
    }

    // 使用 hash_id 生成 URL
    public function getRouteKey()
    {
        return $this->hash_id;
    }

    protected static function getHashIdConnection()
    {
        $connection = defined('static::HASHID_CONN')
            ? static::HASHID_CONNECTION
            : \Str::snake(class_basename(self::class));

        return config()->has('hashids.connections.'.$connection)
            ? $connection
            : config('hashids.default');
    }
}