information-platform/app/Repositories/Models/Inform/Information.php

<?php

namespace App\Repositories\Models\Inform;

use App\Repositories\Models\Base\Admin;
use App\Repositories\Models\Model;
use App\Repositories\Models\Base\Resource;
use Carbon\Carbon;

use Illuminate\Support\Facades\DB;
use Prettus\Repository\Contracts\Transformable;
use Prettus\Repository\Traits\TransformableTrait;

/**
 * Class Information.
 *
 * @package namespace App\Repositories\Models\Inform;
 */
class Information extends Model implements Transformable
{
    use TransformableTrait;

    protected $table = 'inform_information';

    protected static function booted()
    {
        self::language();
        static::saved(function (Information $information) {
            if ($information->isDirty('is_message')) {
                if ($information->is_message == 0) {
                    UserMessage::query()->where('information_id', $information->id)->delete();
                }
                if ($information->is_message == 1) {
                    $role_ids = Category::query()->where('id', $information->category_id)->value('role_ids');
                    $user_ids = Admin::query()->where('role_id', 'in', $role_ids)->pluck('id');
                    $data = [];
                    $now = Carbon::now();
                    foreach ($user_ids as $user_id) {
//                        if ($user_id != $information->admin_id) {
                        $data[] = [
                            'user_id' => $user_id,
                            'information_id' => $information->id,
                            'category_id' => $information->category_id,
                            'published_at' => $information->published_at,
                            'admin_id' => $information->admin_id,
                            'created_at' => $now,
                            'updated_at' => $now,
                        ];
//                        }
                    }
                    UserMessage::query()->insert($data);
                }
            }
        });
    }

    public function cover_resource()
    {
        return $this->belongsTo(Resource::class, 'cover', 'id')->select(['path', 'id', 'url']);
    }

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $guarded = [];

    public function setTagsAttribute($val)
    {
        $this->attributes['tags'] = '-' . arr2str($val, '-') . '-';
    }

    public function getTagsAttribute($val)
    {
        return str2arr(trim($val, '-'), '-');
    }

    public function category()
    {
        return $this->belongsTo(Category::class);
    }

    public function admin()
    {
        return $this->belongsTo(Admin::class);
    }

}