eatvio-infra/app/Livewire/ProductNutritional/Edit.php

<?php

namespace App\Livewire\ProductNutritional;

use App\Models\ProductGroup;
use App\Models\ProductNutritionalValue;
use Illuminate\Contracts\View\Factory as ViewFactory;
use Illuminate\Contracts\View\View;
use Illuminate\Http\UploadedFile;
use Livewire\Component;
use Livewire\WithFileUploads;

class Edit extends Component
{
    use WithFileUploads;

    public string $name = '';

    public int|string $product_group;

    public UploadedFile|string $image = '';

    public string $description = '';

    public string $formulations;

    public int $energy_on_100gr;

    public float $proteins_on_100gr;

    public float $fats_on_100gr;

    public float $carbohydrates_on_100gr;

    public int $portion_mass_gr = 0;

    public float $energy_on_portion;

    public float $proteins_on_portion;

    public float $fats_on_portion;

    public float $carbohydrates_on_portion;

    public ProductNutritionalValue $product;

    public function mount(ProductNutritionalValue $product): void
    {
        $this->name = $product->name;
        $this->product_group = $product->product_group->id;
        $this->image = $product->image;
        $this->description = $product->description;
        $this->formulations = $product->formulations;
        $this->energy_on_100gr = $product->energy_on_100gr;
        $this->proteins_on_100gr = $product->proteins_on_100gr;
        $this->fats_on_100gr = $product->fats_on_100gr;
        $this->carbohydrates_on_100gr = $product->carbohydrates_on_100gr;
        $this->portion_mass_gr = $product->portion_mass_gr;
        $this->energy_on_portion = $product->energy_on_portion;
        $this->proteins_on_portion = $product->proteins_on_portion;
        $this->fats_on_portion = $product->fats_on_portion;
        $this->carbohydrates_on_portion = $product->carbohydrates_on_portion;
        $this->product = $product;
    }

    public function render(): View|ViewFactory
    {
        return view('livewire.product-nutritional.edit', ['productGroups' => ProductGroup::all()]);
    }

    public function save(): void
    {
        if (! is_string($this->image)) {
            $this->product->image = $this->image->store('product_nutritional');
        }

        $this->product->fill([
            'name' => $this->name,
            'product_group_id' => $this->product_group,
            'description' => $this->description ?? '',
            'formulations' => $this->formulations ?? '',
            'energy_on_100gr' => $this->energy_on_100gr,
            'proteins_on_100gr' => $this->proteins_on_100gr,
            'fats_on_100gr' => $this->fats_on_100gr,
            'carbohydrates_on_100gr' => $this->carbohydrates_on_100gr,
            'portion_mass_gr' => $this->portion_mass_gr,
            'energy_on_portion' => (int) $this->energy_on_portion,
            'proteins_on_portion' => $this->proteins_on_portion,
            'fats_on_portion' => $this->fats_on_portion,
            'carbohydrates_on_portion' => $this->carbohydrates_on_portion,
        ]);

        $this->product->save();

        $this->redirectRoute('product_nutritional_value.index');

    }

    public function recalulateVals(int $mass): void
    {
        $productKeys = [
            ['energy_on_100gr', 'energy_on_portion'],
            ['proteins_on_100gr', 'proteins_on_portion'],
            ['fats_on_100gr', 'fats_on_portion'],
            ['carbohydrates_on_100gr', 'carbohydrates_on_portion'],
        ];

        $k = 100 / $mass;

        foreach ($productKeys as [$key100, $keyPortion]) {
            if ($this->{$keyPortion}) {
                $newVal = $k * (float) $this->{$keyPortion};
                $this->fill([$key100 => $newVal]);
            }
        }
    }

    public function recalulatePortionVals(int $mass): void
    {
        $productKeys = [
            ['energy_on_100gr', 'energy_on_portion'],
            ['proteins_on_100gr', 'proteins_on_portion'],
            ['fats_on_100gr', 'fats_on_portion'],
            ['carbohydrates_on_100gr', 'carbohydrates_on_portion'],
        ];

        $k = $mass / 100;
        foreach ($productKeys as [$key100, $keyPortion]) {
            if ($this->{$key100}) {
                $newVal = $k * (float) $this->{$key100};
                $this->fill([$keyPortion => $newVal]);
            }
        }
    }

    public function updated(string $name, string $value): void
    {
        if ($name === 'portion_mass_gr') {
            $this->recalulatePortionVals($this->portion_mass_gr);
        }

        if (
            $this->portion_mass_gr > 0
            && in_array($name, ['energy_on_portion', 'proteins_on_portion', 'fats_on_portion', 'carbohydrates_on_portion'])
        ) {
            $this->recalulateVals($this->portion_mass_gr);
        }
    }

    public function delete(): void
    {
        $this->product->delete();

        $this->redirectRoute('product_nutritional_value.index');
    }
}