Undefined array key "video" - laravel-livewire

Question

create component
<?php
namespace App\Http\Livewire\Teacher\Lesson;
use App\Models\Course;
use App\Models\Lesson;
use Illuminate\Support\Facades\Lang;
use Livewire\Component;
use Livewire\WithFileUploads;
class Create extends Component
{
use WithFileUploads;
public $new_row;
public $authUser;
protected $listeners = ['store'];
public function updatedNewRowImage()
{
$this->validate([
'new_row.video' => 'required|file|max:3000|mimes:mp4',
]);
}
public function mount() {
$this->authUser = \Auth::user();
}
public function rules()
{
return [
'new_row.name.ar' => "required|min:3",
'new_row.name.en' => "required|min:3",
'new_row.content.ar' => "required|min:3",
'new_row.content.en' => "required|min:3",
'new_row.course_id' => 'required|exists:courses,id',
'new_row.video' => 'nullable|file',
'new_row.status' => 'required',
'new_row.duration' => 'required|numeric',
];
}
public function store()
{
$this->validate();
$video_name = $this->new_row['video']->store('video/lessons', 'public');
$this->new_row['video'] = basename(parse_url($video_name, PHP_URL_PATH));
$this->new_row['teacher_id'] = $this->authUser['id'];
Lesson::create($this->new_row);
$this->emit('alert', ['type' => 'success', 'message' => Lang::get('message.success_response_message')]);
return redirect()->route('teacher.lessons.index');
}
//
public function render()
{
$courses = Course::all();
return view('livewire.teacher.lesson.create', compact('courses'));
}
}
Lesson Model
<?php
namespace App\Models;
use App\Traits\FilterScopeModelTrait;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Spatie\Translatable\HasTranslations;
class Lesson extends Model
{
use HasFactory, FilterScopeModelTrait,HasTranslations;
public $translatable = ['name','content'];
protected $guarded = [];
protected function video(): Attribute
{
return Attribute::make(
get: fn($value) => ($this->attributes['video'] ?? false) ? asset('storage/videos/lessons/' . $this->attributes['video']) : '',
);
}
}
blade file
<div class="form-group col-md-6 mb-2">
<label class="col-sm-6 col-form-label" for="inputAdsVideo">#lang('teacher.video')</label>
<div class="col-sm-10 col-lg-10 col-md-2">
<input type="file" name="new_row.video" wire:model="new_row.video " id="Video"
class="form-control is-invalid"
>
</div>
#error('new_row.video')
<small class=" text text-danger" role="alert">
<strong>{{ $message }}</strong>
</small>
#enderror
</div>
migration
Schema::create('lessons', function (Blueprint $table) {
$table->id();
$table->json('name')->nullable();
$table->json('content')->nullable();
$table->foreignId('teacher_id')->nullable()->constrained();
$table->foreignId('course_id')->nullable()->constrained();
$table->float('duration')->nullable();
$table->text('video')->nullable();
$table->enum('status',['pending','publish']);
$table->timestamps();
});
crude of lessons to insert data in data base
when i try to insert data in data base this me undefined key
of video
pleas help to solve and try to upload video all data uploaded with me except video