<?php

namespace App\Nova\Filters;

use Adtention\DatepickerFilter\DatepickerFilter;
use Illuminate\Contracts\Database\Eloquent\Builder;
use Laravel\Nova\Http\Requests\NovaRequest;

class CreatedAt extends DatepickerFilter
{
    public function apply(NovaRequest $request, Builder $query, mixed $value): Builder
    {
        if (empty($value)) {
            return $query;
        }

        return $query->whereDate('created_at', $value);
    }
}

<?php

use App\Nova\Filters\CreatedAt;

public function filters(NovaRequest $request): array
{
    return [
        CreatedAt::make()
            ->single()
            ->placeholder('Created on')
            ->locale('en'),
    ];
}

<?php

namespace App\Nova\Filters;

use Adtention\DatepickerFilter\DatepickerFilter;
use Illuminate\Contracts\Database\Eloquent\Builder;
use Laravel\Nova\Http\Requests\NovaRequest;

class CreatedBetween extends DatepickerFilter
{
    public function apply(NovaRequest $request, Builder $query, mixed $value): Builder
    {
        [$from, $to] = is_array($value) ? $value : [null, null];

        return $query
            ->when($from, fn (Builder $query) => $query->whereDate('created_at', '>=', $from))
            ->when($to, fn (Builder $query) => $query->whereDate('created_at', '<=', $to));
    }
}

CreatedBetween::make()
    ->range()
    ->rangePlaceholders('From date', 'To date')
    ->locale('de');