Using function from controller in anothercontroller

Question

Using function from controller in anothercontroller

Timmy Mar '16

Created Mar '16	Last Reply Mar '16	Replies 3	Views 474	Votes 0

Timmy 920

Mar '16

Hello World!

I got two Controllers: JsonController and MapController.

In the JsonController I got a public function namend "getJson($param,$id)". This functions calls other private function, depending on the $param.

My MapController needs information about some planets, so I use

    $jsonController = new \Pegasus2540\Frontend\Controllers\JsonController();

    $json = $jsonController->getJson("planets", 1);

in the showAction() of my MapController to get the information.

My getJson() function looks like this

public function getJSON($param, $id) {
    echo "You would like to get: ".$param."-".$id;
    switch ($param) {
        case("planets"):
            $data = $this->getPlanets($id);
            break;
        case("solarsystem"):
            $data = $this->getSolarsystem($id);
            break;
        default:
            break;
    }

    echo json_encode($data);
    return json_encode($data);
}

Now, when I call the map in my browser, I expect something like "You would like to get planets-1" and my json.

But it seems like it doenst work. No echo, no json.

Nikolay Mihaylov · Answer 1 · 2016-03-17T07:08:03-07:00

Are you sure your routes are working? I tested your exact scenario with two random controllers and it works. Perhaps try adding exit; after your first echo in getJson method.

In general a better solution would be to move the code from your json controller into library/helper file or a model if it is db related. This way you will be able to use it anywhere you want without violating MVC principles.

Timmy · Answer 2 · 2016-03-17T07:18:06-07:00

Yes, I am sure. When I call the Jsoncontroller like this MYURL/json/get/planets/1 it works.

I will try the library/helper variant. :)

Wojciech Ślawski · Answer 3 · 2016-03-17T08:45:39-07:00

Create service and put getJSON there. And then access this service in your controller. You shouldnt call method from one controller in other controller.

Timmy · Answer 4 · 2016-03-17T09:17:19-07:00

Okay, I changed it to this now:

I created a folder called library inside the root of my applicataion. there is a connector.php:

namespace Pegasus2540\Library;

class Connector {
public function hello($string) { return "Hello ".$string; } }

In my Module.php I register the Namespace like this:

    $loader->registerNamespaces([
        'Pegasus2540\Frontend\Controllers' => __DIR__.'/controllers/',
        'Pegasus2540\Library'    => '/PATH TO APP/game/library/',
    ]);

In my MapController:

    $c = new \Pegasus2540\Library\Connector;
    echo $c->hello("World");

Now I get a WhiteScreen. No view is loaded and no echo.

I took in the apache error.log and found this.

Unable to load dynamic library '/usr/lib/php5/20121212/phalcon.so' - /usr/lib/php5/20121212/phalcon.so: undefined symbol: php_pdo_get_dbh_ce in Unknown on line 0

Sounds like a clue to me, but googling this error only show me solutions at installing phalcon, but I have already installed phalcon (and it works).

I will google again for this error until I find a solution. I think outsourcing the library will do it, so thanks for your help! :)

Wojciech Ślawski · Answer 5 · 2016-03-17T09:26:08-07:00

phalcon.so should be loaded AFTER pdo, database extensions etc. Best load phalcon.so as last extension. Also this can mean that you dont have pdo extension loaded.