Symfony2 populating object with Doctrine results

Question

I am working on a Symfony2 API just to learn stuff. What I am trying to achieve is this:

Load templates from DB this is working. Now I am trying to output retrieved templates from my database in browser and this is where I am struggling.

So my Doctrine is working and retrives the templates, I also created TemplateResponse where I want to populate each construc variable with Doctrine array key => value.

TemplateResponse file:

<?php

namespace Boltmail\UserBundle\BoltmailResponse;

class TemplateResponse {

    /**
     * @var integer
     */
    public $templates;

    /**
     * @param $templates
     */
    public function __construct(
        $templates
    ){
        $this->templates = $templates;
    }
}

TemplateListFactory:

<?php

namespace Boltmail\UserBundle\BoltmailFactory;

use Boltmail\UserBundle\BoltmailRepository\TemplateListRepository;
use Boltmail\UserBundle\BoltmailResponse\TemplateResponse;
use Boltmail\UserBundle\BoltmailResponse\Response;
use Symfony\Component\HttpFoundation\Request;

class TemplateListFactory {

    public $template;

    public function __construct(
        TemplateListRepository $templateListRepository
    ){
        $this->template = $templateListRepository;
    }

    public function build()
    {
        $template = $this->template->searchTemplate();

        if ($template) {
            return new TemplateResponse (
                $template
            );
        } else {
            return new Response(
                false,
                'Something went wrong'
            );
        }
    }
}

Error:

Notice: Trying to get property of non-object

if ($template) {
    return new TemplateResponse (
        $template->temp_id,
        $template->title,
        $template->content,
        $template->author

So I believe Doctrine returns the data as an array I guess and I am trying to access its values as if they were objects that's why I get this error.

I also tried using foreach loop inside If statement before populating TemplateReponse but this also did not work. Any idea how I can make this work.

OK I made some changes and I got the result I was after:

Result:

{
  templates: [
   {
      temp_id: "0",
      title: "New Template",
      content: "I am new template blehhhhhh",
      author: "Michael"
   },
   {
      temp_id: "1",
      title: "Liverpool Template",
      content: "You Will Never Walk Alone",
      author: "Bob"
   }
 ]
}

Answer 1

You are trying to achieve something that already exists inside Symfony: it's called Doctrine ORM.