Imanghafoori\Widgets\Utils\Normalizers\ControllerNormalizer

Complexity

Total Complexity

7

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	normalizeControllerMethod()	0	9	1
A	checkControllerExists()	0	6	2
A	checkDataMethodExists()	0	6	2
A	determineDataMethod()	0	14	2

<?php

namespace Imanghafoori\Widgets\Utils\Normalizers;

class ControllerNormalizer
{
    /**
     * Figures out which method should be called as the controller.
     * @param $widget
     * @return null
     */
    public function normalizeControllerMethod($widget)
    {
        list($controllerMethod, $ctrlClass) = $this->determineDataMethod($widget);

        $this->checkControllerExists($ctrlClass);
        $this->checkDataMethodExists($ctrlClass);

        $widget->controller = $controllerMethod;
    }

    /**
     * @param $ctrlClass
     */
    private function checkControllerExists($ctrlClass)
    {
        if (! class_exists($ctrlClass)) {
            throw new \InvalidArgumentException("Controller class: [{$ctrlClass}] not found.");
        }
    }

    /**
     * @param $ctrlClass
     */
    private function checkDataMethodExists($ctrlClass)
    {
        if (! method_exists($ctrlClass, 'data')) {
            throw new \InvalidArgumentException("'data' method not found on ".$ctrlClass);
        }
    }

    /**
     * @param $widget
     * @return array
     */
    private function determineDataMethod($widget)
    {
// We decide to call data method on widget object by default.
        $controllerMethod = [$widget, 'data'];
        $ctrlClass = get_class($widget);

        // If the user has explicitly declared controller class path on widget
        // then we decide to call data method on that instead.
        if (property_exists($widget, 'controller')) {
            $ctrlClass = $widget->controller;
            $controllerMethod = ($ctrlClass) . '@data';
        }
        return array($controllerMethod, $ctrlClass);
    }
}