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✏️ Editing: GenerateWidget.php

<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */

namespace Piwik\Plugins\CoreConsole\Commands;

use Piwik\Container\StaticContainer;
use Piwik\Piwik;
use Piwik\Plugin\Manager;
use Piwik\Widget\WidgetsList;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 */
class GenerateWidget extends GeneratePluginBase
{
    protected function configure()
    {
        $this->setName('generate:widget')
            ->setDescription('Adds a plugin widget class to an existing plugin')
            ->addOption('pluginname', null, InputOption::VALUE_REQUIRED, 'The name of an existing plugin which does not have any widgets defined yet')
            ->addOption('widgetname', null, InputOption::VALUE_REQUIRED, 'The name of the widget you want to create')
            ->addOption('category', null, InputOption::VALUE_REQUIRED, 'The name of the category the widget should belong to');
    }

protected function execute(InputInterface $input, OutputInterface $output)
    {
        $pluginName = $this->getPluginName($input, $output);
        $this->checkAndUpdateRequiredPiwikVersion($pluginName, $output);

$widgetName = $this->getWidgetName($input, $output);
        $category   = $this->getCategory($input, $output);

if ($category === Piwik::translate($category)) {
            // no translation found...
            $category = $this->makeTranslationIfPossible($pluginName, $category);
        }

$widgetMethod = $this->getWidgetMethodName($widgetName);
        $widgetClass  = ucfirst($widgetMethod);

$exampleFolder  = Manager::getPluginDirectory('ExamplePlugin');
        $replace        = array('ExamplePlugin'   => $pluginName,
                                'MyExampleWidget' => $widgetClass,
                                'Example Widget Name' => $this->makeTranslationIfPossible($pluginName, $widgetName),
                                'About Matomo' => $category);
        $whitelistFiles = array('/Widgets', '/Widgets/MyExampleWidget.php');

$this->copyTemplateToPlugin($exampleFolder, $pluginName, $replace, $whitelistFiles);

$this->writeSuccessMessage($output, array(
             sprintf('plugins/%s/Widgets/%s.php generated.', $pluginName, $widgetClass),
             'You can now start implementing the <comment>render()</comment> method.',
             'Enjoy!'
        ));
    }

private function getWidgetMethodName($methodName)
    {
        $methodName = trim($methodName);
        $methodName = str_replace(' ', '', $methodName);
        $methodName = preg_replace("/[^A-Za-z0-9]/", '', $methodName);

if (0 !== strpos(strtolower($methodName), 'get')) {
            $methodName = 'get' . ucfirst($methodName);
        }

return lcfirst($methodName);
    }

/**
     * @param InputInterface $input
     * @param OutputInterface $output
     * @return array
     * @throws \RuntimeException
     */
    protected function getWidgetName(InputInterface $input, OutputInterface $output)
    {
        $validate = function ($widgetName) {
            if (empty($widgetName)) {
                throw new \InvalidArgumentException('Please enter the name of your widget');
            }

if (preg_match("/[^A-Za-z0-9 ]/", $widgetName)) {
                throw new \InvalidArgumentException('Only alpha numerical characters and whitespaces are allowed');
            }

return $widgetName;
        };

$widgetName = $input->getOption('widgetname');

if (empty($widgetName)) {
            $dialog = $this->getHelperSet()->get('dialog');
            $widgetName = $dialog->askAndValidate($output, 'Enter the name of your Widget, for instance "Browser Families": ', $validate);
        } else {
            $validate($widgetName);
        }

$widgetName = ucfirst($widgetName);

return $widgetName;
    }

protected function getExistingCategories()
    {
        $categories = array();
        foreach (WidgetsList::get()->getWidgetConfigs() as $widget) {
            if ($widget->getCategoryId()) {
                $categories[] = Piwik::translate($widget->getCategoryId());
            }
        }
        $categories = array_values(array_unique($categories));

return $categories;
    }

/**
     * @param InputInterface $input
     * @param OutputInterface $output
     * @return string
     * @throws \RuntimeException
     */
    protected function getCategory(InputInterface $input, OutputInterface $output)
    {
        $validate = function ($category) {
            if (empty($category)) {
                throw new \InvalidArgumentException('Please enter the name of the category your widget should belong to');
            }

return $category;
        };

$category   = $input->getOption('category');
        $categories = $this->getExistingCategories();

if (empty($category)) {
            $dialog = $this->getHelperSet()->get('dialog');
            $category = $dialog->askAndValidate($output, 'Enter the widget category, for instance "Visitor" (you can reuse any existing category or define a new one): ', $validate, false, null, $categories);
        } else {
            $validate($category);
        }

$translationKey = StaticContainer::get('Piwik\Translation\Translator')->findTranslationKeyForTranslation($category);
        if (!empty($translationKey)) {
            return $translationKey;
        }

$category = ucfirst($category);

return $category;
    }

/**
     * @param InputInterface $input
     * @param OutputInterface $output
     * @return string
     * @throws \RuntimeException
     */
    protected function getPluginName(InputInterface $input, OutputInterface $output)
    {
        $pluginNames = $this->getPluginNames();
        $invalidName = 'You have to enter a name of an existing plugin.';

return $this->askPluginNameAndValidate($input, $output, $pluginNames, $invalidName);
    }

}

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