Passed
Push — master ( f7fdeb...4f4caa )
by Iman
02:35
created

ControllerNormalizer::normalize()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 8
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 1

Importance

Changes 0
Metric Value
cc 1
eloc 4
nc 1
nop 1
dl 0
loc 8
ccs 5
cts 5
cp 1
crap 1
rs 10
c 0
b 0
f 0
1
<?php
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namespace Imanghafoori\Widgets\Utils\Normalizers;
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use Imanghafoori\Widgets\Utils\NormalizerContract;
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class ControllerNormalizer implements NormalizerContract
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{
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    /**
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     * Figures out which method should be called as the controller.
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     * @param object $widget
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     * @return void
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     */
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    public function normalize($widget): void
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    {
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        [$controllerMethod, $ctrlClass] = $this->determineDataMethod($widget);
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        $this->checkControllerExists($ctrlClass);
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        $this->checkDataMethodExists($controllerMethod);
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        $widget->controller = $controllerMethod;
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    }
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    /**
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     * @param string $ctrlClass
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     */
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    private function checkControllerExists(string $ctrlClass): void
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    {
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        if (! class_exists($ctrlClass)) {
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            throw new \InvalidArgumentException("Controller class: [{$ctrlClass}] not found.");
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        }
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    }
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    /**
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     * @param $ctrlClass
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     */
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    private function checkDataMethodExists($ctrlClass): void
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    {
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        if (is_string($ctrlClass)) {
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            $ctrlClass = explode('@', $ctrlClass);
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        }
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        [$ctrlClass, $method] = $ctrlClass;
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        if (! method_exists($ctrlClass, $method)) {
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            throw new \InvalidArgumentException("'data' method not found on ".$ctrlClass);
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        }
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    }
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    /**
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     * @param object $widget
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     * @return array [$controllerMethod, $ctrlClass]
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     */
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    private function determineDataMethod($widget): array
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    {
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        // We decide to call data method on widget object by default.
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        // If the user has explicitly declared controller class path on widget
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        // then we decide to call data method on that instead.
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        if (! property_exists($widget, 'controller')) {
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            return [[$widget, 'data'], get_class($widget)];
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        }
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        if (is_string($widget->controller)) {
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            if (! str_contains($widget->controller, '@')) {
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                return [$widget->controller.'@data', $widget->controller];
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            }
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            $widget->controller = explode('@', $widget->controller);
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        }
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        $ctrlClass = $widget->controller[0];
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        $controllerMethod = implode('@', $widget->controller);
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        return [$controllerMethod, $ctrlClass];
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    }
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}
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