ブートメソッドのモデルに属性が保存されない

Question

新しいモデルインスタンスを作成するとき、 'slug'属性は保存されません。 bootメソッドのcreatingイベントが呼び出されていることを確認しました。しかし、不具合では、属性に「スラッグ」キーがないことがわかります。何がありますか？私の人生の間、私は間違いを見つけることができません。

ティンカー：

App\Models\TicketType::create(['title'=>'My title']); 

Illuminate\Database\QueryException with message 'SQLSTATE[HY000]: General error: 1364 Field 'slug' doesn't have a default value (SQL: insert into `ticket_types` (`title`, `updated_at`, `created_at`) values (my title, 2017-11-16 08:13:17, 2017-11-16 08:13:17))' 

TicketType.php

namespace App\Models; 

use App\Models\Abstracts\TypeModelAbstract; 
use App\Models\Interfaces\TypeModelInterface; 
use App\Traits\HasSlug; 

class TicketType extends TypeModelAbstract implements TypeModelInterface { 

    use HasSlug; 

    protected $fillable = [ 
     'title', 
     'slug', 
     ... 
    ]; 

    ... 

    public static function boot() { 

     parent::boot(); 

     static::creating(function ($item) { 
      $item->sluggable(); 
      \Log::debug('slug is ' . $item->slug, $item->attributes); 
      // Here $item->slug is correct, but the slug is not in the attributes array 
     }); 
    } 

HasSlug.php

namespace App\Traits; 

use Illuminate\Support\Facades\Cache; 

trait HasSlug { 

    public function sluggable() { 
     if (!$this->getSlug()) { 
      $slug = $this->buildSlug(); 
      $this->setSlug($slug); 
     } 
     return $this; 
    } 

    public function refreshSlug() { 
     $this->setSlug($this->buildSlug()); 
     return $this; 
    } 

    protected function setSlug($slug) { 
     // $save_to = static::$sluggable_save_to_attribute ?? 'slug'; -- PHP bug fixed in 7.0.19 and 7.1.5 
     $save_to = isset(static::$sluggable_save_to_attribute) ? static::$sluggable_save_to_attribute : 'slug'; 
     $this->attributes[$save_to] = $slug; 
     // $this->setAttribute($save_to, $slug); 
     return $this; 
    } 

    /** 
    * @return \Eloquent 
    */ 
    public function getSlug() { 
     // $save_to = static::$sluggable_save_to_attribute ?? 'slug'; -- PHP bug fixed in 7.0.19 and 7.1.5 
     $save_to = isset(static::$sluggable_save_to_attribute) ? static::$sluggable_save_to_attribute : 'slug'; 
     // return $this->getAttribute($save_to); 
     return $this->$save_to; 
    } 

    /** 
    * @return string 
    */ 
    protected static function getRand() { 
     $length = 11; 
     $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; 
     $size = strlen($chars); 
     $str = ''; 
     for ($i = 0; $i < $length; $i++) { 
      $str .= $chars[rand(0, $size - 1)]; 
     } 
     return $str; 
    } 

    /** 
    * @param string $str; 
    * @return string; 
    */ 
    protected function mod($str) { 
     // if (static::$sluggable_uppercase ?? false) { -- PHP bug fixed in 7.0.19 and 7.1.5 
     $uppercase = isset(static::$sluggable_uppercase) ? static::$sluggable_uppercase : false; 
     if ($uppercase) { 
      return strtoupper($str); 
     } else { 
      return $str; 
     } 
    } 

    /** 
    * @return string 
    */ 
    protected function buildSlug() { 
     // $attr = static::$sluggable_build_from_attribute ?? 'title'; -- PHP bug fixed in 7.0.19 and 7.1.5 
     $attr = isset(static::$sluggable_build_from_attribute) ? static::$sluggable_build_from_attribute : 'title'; 
     $string = $attr && $this->$attr ? $this->$attr : static::getRand(); 
     return $this->bestSlugFrom($string); 
    } 

    /** 
    * @param string $string 
    * @return string 
    */ 
    public function bestSlugFrom($string) { 
     $original = $slug = $this->mod(static::sluggify($string)); 
     $i = 1; 
     while (static::findBySlug($slug, true)) { 
      $slug = $original . '-' . $i; 
      $i++; 
     } 
     return $slug; 
    } 

    /** 
    * Sluggify a string 
    * @param string $text 
    * @return string 
    */ 
    public static function sluggify($text) { 
     $text = str_replace(array('#', 'ω'), array(' sharp', ' omega'), $text); // replace non letter or digits by - 
     return str_slug($text); 
    } 

    /** 
    * Get a model by the slug 
    * @param string $slug 
    * @param bool $includeTrashed 
    * @return static 
    */ 
    public static function findBySlug($slug, $includeTrashed = false) { 
     // $slugAttr = static::$sluggable_save_to_attribute ?? 'slug'; -- PHP bug fixed in 7.0.19 and 7.1.5 
     $slugAttr = isset(static::$sluggable_save_to_attribute) ? static::$sluggable_save_to_attribute : 'slug'; 
     return Cache::remember(get_called_class() . "_bySlug_{$slug}_{$includeTrashed}", 1, function() use ($slug, $includeTrashed, $slugAttr) { 
      $q = static::where($slugAttr ?? 'slug', $slug); 
      if ($includeTrashed && method_exists(get_called_class(), 'bootSoftDeletingTrait')) { 
       /* Make sure the model has soft deletes before calling this method */ 
       $q->withTrashed(); 
      } 
      return $q->first(); 
     }); 
    } 

} 

Answer 1

いやはや！私はgetSlugAttribute($value)を継承した形質で持っていました。ありがとうHamoud！