ldc-crm/app/Http/Controllers/CustomerController.php

<?php

namespace App\Http\Controllers;

use App\Http\Requests\CustomerDeleteRequest;
use App\Models\Brand;
use App\Models\Customer;
use App\Models\CustomerInfos;
use App\Models\CustomerLogin;

class CustomerController extends Controller
{
    public function index() {
        $brands = Brand::select('id', 'name')->get();
        return view('customers.index', compact('brands'));
    }

    public function show($id, $brandId) {
        $customerInfos = CustomerInfos::where([['customer_id', $id], ['brand_id', $brandId]])->first();
        $customerLogin = CustomerLogin::where([['customer_id', $id], ['brand_id', $brandId]])->first();
        if (!$customerInfos)
            abort(404);
        return view('customers.show', compact('customerInfos', 'customerLogin'));
    }

    public function filter($texte, $brandId = null) {
        if ($brandId !== null) {
            $customers = Customer::join('customer_infos', 'customers.id', '=', 'customer_infos.customer_id')
                ->join('customer_login', 'customers.id', '=', 'customer_login.customer_id')
                ->select('customer_infos.customer_id', 'customer_infos.firstname', 'customer_infos.lastname', 'customer_infos.opt_in', 'customers.email', 'customer_infos.brand_id', 'customer_login.last_connection')
                ->where([['lastname', 'like', '%' . $texte . '%'], ['customer_infos.brand_id', $brandId], ['customer_login.brand_id', $brandId]])
                ->orWhere([['email', 'like', '%' . $texte . '%'], ['customer_infos.brand_id', $brandId], ['customer_login.brand_id', $brandId]])
                ->get();
        } else {
            $customers = CustomerInfos::join('customers', 'customers.id', '=', 'customer_infos.customer_id')
                ->join('customer_login', function($join) {
                    $join->on('customer_login.customer_id', '=', 'customer_infos.customer_id');
                    $join->on('customer_login.brand_id', '=', 'customer_infos.brand_id');
                })
                ->select('customer_infos.customer_id', 'customer_infos.firstname', 'customer_infos.lastname', 'customer_infos.opt_in', 'customers.email', 'customer_infos.brand_id', 'customer_login.last_connection')
                ->where('lastname', 'like', '%' . $texte . '%')
                ->orWhere('email', 'like', '%' . $texte . '%')
                ->get();
        }

        return response()->json($customers);
    }

    public function delete(CustomerDeleteRequest $request, Customer $customer, Brand $brand)
    {
        $nbBrand = $customer->infos()->count();

        $customer->infos()->where('brand_id', $brand->id)->delete();
        $customer->logins()->where('brand_id', $brand->id)->delete();
        $customer->optInHistory()->where('brand_id', $brand->id)->delete();

        if ($nbBrand === 1) {
            $customer->delete();
        }

        return redirect()->route('customers')->with('success', "Compte supprimé.");
    }
}