Fatal error: Call to a member function add() on a non-object in

broxi000 · January 13, 2014

Hello everyone !

I'm studying ZF2 and i would like to create with ZendFrameWork 2 an application about manage "Produit" ( in french ) or "Product" ( english ) and "Commande" ...

Now before installing zf2 and configure all source codes , and when i would to add a product on a command i have this error :

Fatal error: Call to a member function add() on a non-object in

So i can't add a product on a command ;

Here is Commande.php :

<?php
namespace Commande\Entity;
use Doctrine\ORM\Mapping as ORM;
//Marquer notre classe comme entité avec
/**
 * @ORM\Entity
 * @ORM\Table(name="commande")
 */
//par défaut si on ne sécifie pas de table, Doctrine va stoker cette
//entité dans une table du même nom
class Commande {
    /**
    * @ORM\id
    * @ORM\GeneratedValue(strategy="AUTO")
    * @ORM\Column(type="integer")
    */
    protected $id;

    /** @ORM\Column(type="string") */
    protected $duree_commande;

    /** @ORM\Column(type="string") */
    protected $date_commande;

    /**
     * @ORM\ManyToOne(targetEntity="Produit", inversedBy="commandes",cascade={"persist"})
     * @ORM\JoinColumn(name="produit_id", referencedColumnName="id")
     */
    protected $produits;

    public function __construct()
    {
       $this->produits = new \Doctrine\Common\Collections\ArrayCollection();
    }
    public function getIdCommande()
    {
    	return $this->id;
    }
    public function getDureeCommande()
    {
    	return $this->duree_commande;
    }
    public function setIdCommande($id_commande)
    {
    	$this->id = $id_commande;
    }
    public function setDureeCommande($duree_commande)
    {
    	$this->duree_commande = $duree_commande;
    }
    public function getDateCommande()
    {
    	return $this->date_commande;
    }
    public function setDateCommande($date_commande)
    {
    	$this->date_commande = $date_commande;
    }

     public function getProduits()
    {
        return $this->produits;
    }

    public function addProduit($produit)
    {
        $this->produits->add($produit);
    }
}

and Produit.php :

<?php
namespace Commande\Entity;
use Doctrine\ORM\Mapping as ORM;
/** @ORM\Entity */
class Produit {
    /**
    * @ORM\Id
    * @ORM\GeneratedValue(strategy="AUTO")
    * @ORM\Column(type="integer")
    */
    protected $id;

    /** @ORM\Column(type="string") */
    protected $type_produit;

    /** @ORM\OneToMany(targetEntity="Commande", mappedBy="produit", cascade={"persist"}) */
 

    protected $commande;

    public function __construct()
    {
       $this->commandes = new \Doctrine\Common\Collections\ArrayCollection();
    }

    // getters/setters
    public function getIdProduit()
    {
    	return $this->id;
    }
    public function getTypeProduit()
    {
    	return $this->type_produit;
    }
    public function setIdProduit($id_produit)
    {
    	$this->id = $id_produit;
    }
    public function setTypeProduit($type_produit)
    {
    	$this->type_produit = $type_produit;
    }
     function getCommande()
    {
        return $this->commande;
    }

    function setCommande(Commande $commande)
    {
        $commande->addProduit($this);
        $this->commande = $commande;
    }
}

And i think that that the mapping is bad configured , because i want to creat a mapping like this :

- just one product can be added on a command

ginerjm · January 13, 2014

Don't you need to have an instance of produit in order to call the add function in that class?

broxi000 · January 13, 2014

Yes i need to have a instance of produit to add it on this class

gizmola · January 13, 2014

All we have here is model classes. You are using the doctrine2 orm. Controllers or command scripts would need to actually initialize your database connection and instantiate objects before you persisted anything at all.

broxi000 · January 13, 2014

here there is ProduitController.php :

<?php

namespace Commande\Controller;

use Zend\Mvc\Controller\AbstractActionController;
use Commande\Entity\Commande;
use Commande\Entity\Produit;
use Zend\View\Model\ViewModel;
use Doctrine\ORM\EntityManager;


class ProduitController extends AbstractActionController
{
    protected $em;
    
    public function getEntityManager()
    {
        if (null === $this->em) {
            $this->em = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');
        }
        return $this->em;
    }
    public function indexAction()
    {
        $em = $this->getEntityManager();
        $produits = $em->getRepository('Commande\Entity\Produit')->findAll();

         return new ViewModel( array(
        'produits' => $produits,
    ));
    }


    public function addAction()
    {
        /*$objectManager = $this
        ->getServiceLocator()
        ->get('Doctrine\ORM\EntityManager');

        $commande = $objectManager->find('Commande\Entity\Commande',13);
        $produit = new \Commande\Entity\Produit();
        $produit->setTitleProduit('commande13');
        $produit->setCommande($commande);
        $objectManager->persist($produit);
        $objectManager->flush();
        var_dump($commande->getTitleCommande());*/
       $id = (int) $this->params()->fromRoute('id', 0);
        $commande = $this->getEntityManager()->find('\Commande\Entity\Commande', $id);

        if ($this->request->isPost()) {
             $produit = new Produit();
             $produit->setTypeProduit($this->getRequest()->getPost('typeProduit'));
            $produit->setCommande($commande);
            $this->getEntityManager()->persist($produit);
            $this->getEntityManager()->flush();

            return $this->redirect()->toRoute('home');
        }

        return new ViewModel(array('commande' => $commande));

    }

    public function editAction()
    {
        $id = (int) $this->params()->fromRoute('id', 0);
        $produit = $this->getEntityManager()->find('\Commande\Entity\Produit', $id);

        if ($this->request->isPost()) {
            $produit->setTypeProduit($this->getRequest()->getPost('typeProduit'));

            $this->getEntityManager()->persist($produit);
            $this->getEntityManager()->flush();

            return $this->redirect()->toRoute('produit');
        }

        return new ViewModel(array('produit' => $produit));
   }

    public function deleteAction()
    {
       /* $em = $this
        ->getServiceLocator()
        ->get('Doctrine\ORM\EntityManager');
        $commande = $em->find('Commande\Entity\Commande', 5);
 
        if($commande) 
        {
            echo 'Found an Commande\Entity\Commande: ' . PHP_EOL
            . $commande->getIdCommande() . ' => ' . $commande->getTitleCommande() . '(' . get_class($commande) . ')' . PHP_EOL
            . 'and ' . $commande->getProduits()->count() . ' Commande\Entity\Produit attached to it: ' . PHP_EOL;
            if($produit = $commande->getProduits()->first()) 
            {
                echo 'Removing the first attached comment!' . PHP_EOL;
                echo 'Removing comment with id=' . $produit->getIdProduit() . PHP_EOL;
                $em->remove($produit);
                $em->flush();
            } else {
                echo 'Could not find any comments to remove...' . PHP_EOL;
            }
        } 
        else 
        {
            echo 'Could not find Commande\Entity\Commande with id=5';
        }*/
        $id = (int) $this->params()->fromRoute('id', 0);
        $produit = $this->getEntityManager()->find('\Commande\Entity\Produit', $id);

        if ($this->request->isPost()) {           
            $this->getEntityManager()->remove($produit);
            $this->getEntityManager()->flush();

            return $this->redirect()->toRoute('produit');
        }

        return new ViewModel(array('produit' => $produit));
    }

    public function getProduitTable()
    {
        
        
    }
}

and CommandeController.php :

<?php

namespace Commande\Controller;

use Zend\Mvc\Controller\AbstractActionController;
use Commande\Entity\Commande;
use Commande\Entity\Produit;
use Commande\Form\CommandeForm;
use Doctrine\ORM\EntityManager;
use Zend\View\Model\ViewModel;
use Zend\Stdlib\Model\Registry;
use Zend\Stdlib\Hydrator\DoctrineObject;

class CommandeController extends AbstractActionController
{
    
 
 protected $em;
    
    public function getEntityManager()
    {
        if (null === $this->em) {
            $this->em = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');
        }
        return $this->em;
    }
    public function indexAction()
    {
        $em = $this->getEntityManager();
        $commandes = $em->getRepository('Commande\Entity\Commande')->findAll();
         return new ViewModel( array(
        'commandes' => $commandes,
    ));
    }

    public function addAction()
    {
      
    if ($this->request->isPost()) {
            $commande = new Commande();
            $commande->setDureeCommande($this->getRequest()->getPost('dureeCommande'));
            $commande->setDateCommande($this->getRequest()->getPost('dateCommande'));

            $this->getEntityManager()->persist($commande);
            $this->getEntityManager()->flush();
            $newId = $commande->getIdCommande();

            return $this->redirect()->toRoute('commande');
        }
        return new ViewModel();
}

    public function editAction()
    {
       /* $objectManager = $this->getServiceLocator()
        ->get('Doctrine\ORM\EntityManager');
        $commande = $objectManager->find('Commande\Entity\Commande', 13);
        $commande->setDureeCommandes('Guilherme Blanco');
        $objectManager->flush();
        die(var_dump($commande->getIdCommande()));*/
        $id = (int) $this->params()->fromRoute('id', 0);
        $commande = $this->getEntityManager()->find('\Commande\Entity\Commande', $id);

        if ($this->request->isPost()) {
            $commande->setDureeCommande($this->getRequest()->getPost('dureeCommande'));
            $commande->setDateCommande($this->getRequest()->getPost('dateCommande'));

            $this->getEntityManager()->persist($commande);
            $this->getEntityManager()->flush();

            return $this->redirect()->toRoute('home');
        }

        return new ViewModel(array('commande' => $commande));
   }

    public function deleteAction()
    {
        /* $objectManager = $this->getServiceLocator()
        ->get('Doctrine\ORM\EntityManager');
        $commande = $objectManager->find('Commande\Entity\Commande', 14);
        $objectManager->remove($commande);
        $objectManager->flush();
       die(var_dump($commande->getIdCommande()));*/
        $id = (int) $this->params()->fromRoute('id', 0);
        $commande = $this->getEntityManager()->find('\Commande\Entity\Commande', $id);

        if ($this->request->isPost()) {
            $Produits = $commande->getProduits();
            if (count($Produits)>1)
            {
                foreach ($Produits as $produit) {
                  $this->getEntityManager()->remove($produit);
                }
            }
            $this->getEntityManager()->remove($commande);
            $this->getEntityManager()->flush();

            return $this->redirect()->toRoute('home');
        }

        return new ViewModel(array('commande' => $commande));
    }

    public function getCommandeTable()
    {
        
        
    }
}

I can add/edit/delete a commande but i can't for Profuit ...

if you need something else tell me , thanks a lot .

Edited January 13, 2014 by broxi000

broxi000 · January 13, 2014

i need to resolve that issue and the other one about mapping " Dependency Graph " , in my case i have this one

so i want to have produit_id on table commande with ( produit(1) , commande(*) ) ;

thanks .

broxi000 · January 13, 2014

My issue can't be resolved or something is missing or my issue is not clear ?

Thanks ! !

broxi000 · January 14, 2014

someone help me to resolve my issue ?

broxi000 · January 14, 2014

Now i can't even add commande on the index page of my application

the error :

Found entity of type Doctrine\Common\Collections\ArrayCollection on association

Really i need you'r help dudes ... !

Thanks

gizmola · January 14, 2014

You just have to read this until you're really really clear what it offers: http://docs.doctrine-project.org/en/2.0.x/reference/association-mapping.html

broxi000 · January 15, 2014

Hello again Dudes !

on my source code , for commande class i have this relation :

/**
     * @ORM\ManyToOne(targetEntity="Produit", inversedBy="commandes",cascade={"persist"})
     * @ORM\JoinColumn(name="produit_id", referencedColumnName="id")
     */

and for Produit class i have this relation :

/** @ORM\OneToMany(targetEntity="Commande", mappedBy="produit", cascade={"persist"}) 
     
     */

And when i see the mapping , i have this :

so i wanna just have this relation between the tables " Produit " and "Commande" , so please how can i modify the relation on the source code to have this relation :

thanks for replying !

broxi000 · January 16, 2014

A command consists of one or more products how can i do it on relation between the tables ( commande and produit )

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Fatal error: Call to a member function add() on a non-object in

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