CakeProducts/src/Controller/ProductsController.php

<?php
declare(strict_types=1);

namespace CakeProducts\Controller;

use Cake\Core\Configure;
use Cake\Log\Log;
use Cake\ORM\Table;
use Cake\ORM\TableRegistry;
use CakeProducts\Controller\AppController;
use CakeProducts\Controller\Traits\OverrideTableTrait;

/**
 * Products Controller
 *
 * @property \CakeProducts\Model\Table\ProductsTable $Products
 */
class ProductsController extends AppController
{
    use OverrideTableTrait;

    /**
     * @return void
     */
    public function initialize(): void
    {
        parent::initialize(); // TODO: Change the autogenerated stub
//        $this->_defaultTable = 'CakeProducts.Products';
//        $this->_tableConfigKey = 'CakeProducts.Products.table';
    }

    /**
     * Index method
     *
     * @return \Cake\Http\Response|null|void Renders view
     */
    public function index()
    {
        $query = $this->getTable()->find()
            ->contain(['ProductCategories']);
        $products = $this->paginate($query);

        $this->set(compact('products'));
    }

    /**
     * View method
     *
     * @param string|null $id Product id.
     * @return \Cake\Http\Response|null|void Renders view
     * @throws \Cake\Datasource\Exception\RecordNotFoundException When record not found.
     */
    public function view($id = null)
    {
        $product = $this->getTable()->get($id, contain: ['ProductCategories']);
        $this->set(compact('product'));
    }

    /**
     * Add method
     *
     * @return \Cake\Http\Response|null|void Redirects on successful add, renders view otherwise.
     */
    public function add()
    {
        $productsTable = $this->getTable();
        $product = $productsTable->newEmptyEntity();
        if ($this->request->is('post')) {
            $product = $productsTable->patchEntity($product, $this->request->getData());
            if ($productsTable->save($product)) {
                $this->Flash->success(__('The product has been saved.'));

                return $this->redirect(['action' => 'index']);
            }
            Log::debug(print_r('$product->getErrors() next - failed in products/add', true));
            Log::debug(print_r($product->getErrors(), true));
            $this->Flash->error(__('The product could not be saved. Please, try again.'));
        }
        $productCategories = $productsTable->ProductCategories->find('list', keyField: 'internal_id', valueField: 'name' )->all();
        $this->set(compact('product', 'productCategories'));
    }

    /**
     * Edit method
     *
     * @param string|null $id Product id.
     * @return \Cake\Http\Response|null|void Redirects on successful edit, renders view otherwise.
     * @throws \Cake\Datasource\Exception\RecordNotFoundException When record not found.
     */
    public function edit($id = null)
    {
        $productsTable = $this->getTable();
        $product = $productsTable->get($id, contain: []);
        if ($this->request->is(['patch', 'post', 'put'])) {
            $product = $productsTable->patchEntity($product, $this->request->getData());
            if ($productsTable->save($product)) {
                $this->Flash->success(__('The product has been saved.'));

                return $this->redirect(['action' => 'index']);
            }
            Log::debug(print_r('$product->getErrors() next - failed in products/edit', true));
            Log::debug(print_r($product->getErrors(), true));
            $this->Flash->error(__('The product could not be saved. Please, try again.'));
        }
        $productCategories = $productsTable->ProductCategories->find('list', limit: 200)->all();
        $this->set(compact('product', 'productCategories'));
    }

    /**
     * Delete method
     *
     * @param string|null $id Product id.
     * @return \Cake\Http\Response|null Redirects to index.
     * @throws \Cake\Datasource\Exception\RecordNotFoundException When record not found.
     */
    public function delete($id = null)
    {
        $this->request->allowMethod(['post', 'delete']);

        $productsTable = $this->getTable();
        $product = $productsTable->get($id);
        if ($productsTable->delete($product)) {
            $this->Flash->success(__('The product has been deleted.'));
        } else {
            $this->Flash->error(__('The product could not be deleted. Please, try again.'));
        }

        return $this->redirect(['action' => 'index']);
    }
}