topnotch_website/app/Http/Controllers/CustomerController.php

<?php

namespace App\Http\Controllers;

use App\Http\Requests\CustomerRequest;
use App\Models\Customer;
use App\Models\PackingSlip;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Foundation\Application;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;

class CustomerController extends Controller
{
    public function index(): void {}

    public function store(CustomerRequest $request)
    {
        Customer::create($request->validated());

        return redirect()->route('management.index')->with('status', 'Customer created successfully.');
    }

    public function create(): Factory|View|Application|\Illuminate\View\View
    {
        return view('customers.create');
    }

    public function show(Customer $customer, ?string $tab = null): RedirectResponse|View
    {
        if (! $tab) {
            return redirect()->route('customers.show', [$customer, 'tab' => 'details']);
        }

        return view('customers.show', [
            'tab'             => $tab,
            'customer'        => $customer,
            'contacts'        => $customer->contacts()->get(),
            'packingSlips'    => PackingSlip::where('customer_id', $customer->id)->orderByDesc('date_received')->paginate(15),
            'shippingEntries' => $customer->shippingEntries()->get(),
            'today'           => Carbon::today()->format('Y-m-d'),
        ]);
    }

    public function update(CustomerRequest $request, Customer $customer): RedirectResponse
    {
        $customer->update($request->validated());

        return redirect()->route('customers.show', $customer)->with('status', 'Customer updated successfully.');
    }

    public function requestDestroy(Request $request): RedirectResponse
    {
        $customer = Customer::find($request->id);
        $customer->delete();

        return redirect()->route('management.index')->with('status', 'Customer deleted successfully.');
    }

    public function destroy(Customer $customer): RedirectResponse
    {
        $customer->delete();

        return redirect()->route('management.index')->with('status', 'Customer deleted successfully.');
    }
}