modalで確認してから、画像を削除する

web.php

Route::delete('/shop', 'ShopController@delete')->name('delete');

ShopController.php

use Illuminate\Http\Request;
use App\Item;
use Illuminate\Support\Facades\Storage;

class ShopController extends Controller
{
    public function delete(Request $request)
    {
        $deleteItem = Item::find($request->id);

        $deletepath = $deleteItem->file_path;

        // データベースのfile_path名は確認していたほうが確実(× 'public/uploads'. )
        Storage::delete('public/' . $deletepath);
        $deleteItem->delete();
        return redirect('/リダイレクト先'); 
    }
}

shop.blade.php

<!-- Bootstrap導入 -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<!-- Bootstrap Javascript(jQuery含む) -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>

@foreach($images as $image)
<!-- </form>はmodalのsubmitの下に記載してある -->
<form action="/shop" method="post">
    @method('delete')
    @csrf
    <!-- nameプロバティとvalueプロパティがポイント -->
    <button type="button" class="buy-confirm btn btn-success" name="id" value="{{ $image->id }}" data-toggle="modal" data-target="#confirm-buy" style="width: 18rem; float: left; margin: 16px;">
        <img src="{{ Storage::url($image->file_path) }}" style="width: 100%;"/>
        <p>{{ $image->file_name }}</p>
    </button>
@endforeach

<!-- Modal -->
@foreach($images as $image)
<div class="modal fade" id="confirm-buy" tabindex="-1" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">確認</h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                <span aria-hidden="true">&times;</span>
                </button>
            </div>
            <div class="modal-body">
                購入しますか？
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-dismiss="modal">いいえ</button>
                <!-- 商品imageと同じidを持たせることで、同じvalueを持たせることになる -->
                <button type="submit" class="btn btn-success" id="buybtn" name="id">はい</button>
</form>
            </div>
        </div>
    </div>
</div>
@endforeach

<script>
    $('.buy-confirm').click(function(){
        $('#buybtn').val( $(this).val() );
    });
</script>