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by Sebastian
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Factory::mergeHookConfigFromIncludes()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 8
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 3

Importance

Changes 0
Metric Value
eloc 5
dl 0
loc 8
ccs 6
cts 6
cp 1
rs 10
c 0
b 0
f 0
cc 3
nc 3
nop 2
crap 3
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<?php
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/**
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 * This file is part of CaptainHook.
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 *
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 * (c) Sebastian Feldmann <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace CaptainHook\App\Config;
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use CaptainHook\App\CH;
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use CaptainHook\App\Config;
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use CaptainHook\App\Hook\Util as HookUtil;
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use CaptainHook\App\Storage\File\Json;
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use RuntimeException;
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/**
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 * Class Factory
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 *
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 * @package CaptainHook
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 * @author  Sebastian Feldmann <[email protected]>
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 * @link    https://github.com/captainhookphp/captainhook
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 * @since   Class available since Release 0.9.0
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 * @internal
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 */
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final class Factory
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{
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    /**
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     * Maximal level in including config files
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     *
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     * @var int
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     */
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    private $maxIncludeLevel = 1;
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    /**
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     * Current level of inclusion
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     *
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     * @var int
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     */
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    private $includeLevel = 0;
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    /**
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     * Create a CaptainHook configuration
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     *
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     * @param  string $path
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     * @return \CaptainHook\App\Config
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     * @throws \Exception
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     */
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    public function createConfig($path = '') : Config
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    {
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        $path = $path ?: getcwd() . DIRECTORY_SEPARATOR . CH::CONFIG;
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        $file = new Json($path);
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        return $this->setupConfig($file);
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    }
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    /**
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     * @param  string $path
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     * @return \CaptainHook\App\Config
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     * @throws \Exception
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     */
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    private function includeConfig(string $path) : Config
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    {
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        $file = new Json($path);
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        if (!$file->exists()) {
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            throw new RuntimeException('Config to include not found: ' . $path);
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        }
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        return $this->setupConfig($file);
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    }
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    /**
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     * Return a configuration with data loaded from json file it it exists
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     *
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     * @param  \CaptainHook\App\Storage\File\Json $file
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     * @return \CaptainHook\App\Config
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     * @throws \Exception
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     */
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    private function setupConfig(Json $file) : Config
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    {
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        // use variable to not check file system twice
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        $fileExists = $file->exists();
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        $config     = new Config($file->getPath(), $fileExists);
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        if ($fileExists) {
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            $this->loadConfigFromFile($config, $file);
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        }
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        return $config;
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    }
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    /**
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     * Loads a given file into given the configuration
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     *
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     * @param  \CaptainHook\App\Config            $config
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     * @param  \CaptainHook\App\Storage\File\Json $file
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     * @throws \Exception
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     */
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    private function loadConfigFromFile(Config $config, Json $file) : void
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    {
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        $json = $file->readAssoc();
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        Util::validateJsonConfiguration($json);
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        $this->appendIncludedConfigurations($config, $json);
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        foreach (HookUtil::getValidHooks() as $hook => $class) {
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            if (isset($json[$hook])) {
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                $this->configureHook($config->getHookConfig($hook), $json[$hook]);
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            }
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        }
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    }
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    /**
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     * Setup a hook configuration by json data
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     *
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     * @param  \CaptainHook\App\Config\Hook $config
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     * @param  array                        $json
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     * @return void
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     * @throws \Exception
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     */
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    private function configureHook(Config\Hook $config, array $json) : void
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    {
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        $config->setEnabled($json['enabled']);
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        foreach ($json['actions'] as $actionJson) {
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            $options    = isset($actionJson['options']) && is_array($actionJson['options'])
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                        ? $actionJson['options']
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                        : [];
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            $conditions = isset($actionJson['conditions']) && is_array($actionJson['conditions'])
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                        ? $actionJson['conditions']
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                        : [];
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            $config->addAction(new Config\Action($actionJson['action'], $options, $conditions));
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        }
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    }
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    /**
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     * Append all included configuration to the current configuration
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     *
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     * @param  \CaptainHook\App\Config $config
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     * @param  array                   $json
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     * @throws \Exception
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     */
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    private function appendIncludedConfigurations(Config $config, array $json)
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    {
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        $this->readMaxIncludeLevel($json);
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        if ($this->includeLevel < $this->maxIncludeLevel) {
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            $includes = $this->loadIncludedConfigs($json, $config->getPath());
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            foreach (HookUtil::getValidHooks() as $hook => $class) {
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                $this->mergeHookConfigFromIncludes($config->getHookConfig($hook), $includes);
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            }
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        }
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        $this->includeLevel++;
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    }
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    /**
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     * Check config section for 'maxIncludeLevel' setting
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     *
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     * @param array $json
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     */
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    private function readMaxIncludeLevel(array $json) : void
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    {
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        // read the include level setting only for the actual configuration
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        if ($this->includeLevel === 0 && isset($json['config']['maxIncludeLevel'])) {
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            $this->maxIncludeLevel = (int) $json['config']['maxIncludeLevel'];
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        }
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    }
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    /**
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     * Merge a given hook config with the corresponding hook configs from a list of included configurations
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     *
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     * @param  \CaptainHook\App\Config\Hook $hook
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     * @param  \CaptainHook\App\Config[]    $includes
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     * @return void
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     */
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    private function mergeHookConfigFromIncludes(Hook $hook, array $includes) : void
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    {
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        foreach ($includes as $includedConfig) {
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            $includedHook = $includedConfig->getHookConfig($hook->getName());
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            if ($includedHook->isEnabled()) {
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                $hook->setEnabled(true);
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            }
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            $this->copyActionsFromTo($includedHook, $hook);
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        }
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    }
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    /**
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     * Return list of included configurations to add them to the main configuration afterwards
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     *
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     * @param  array  $json
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     * @param  string $path
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     * @return \CaptainHook\App\Config[]
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     * @throws \Exception
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     */
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    protected function loadIncludedConfigs(array $json, string $path) : array
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    {
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        $includes  = [];
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        $directory = dirname($path);
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        $files     = isset($json['config']['includes']) && is_array($json['config']['includes'])
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                   ? $json['config']['includes']
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                   : [];
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        foreach ($files as $file) {
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            $includes[] = $this->includeConfig($directory . DIRECTORY_SEPARATOR . $file);
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        }
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        return $includes;
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    }
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    /**
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     * Copy action from a given configuration to the second given configuration
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     *
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     * @param \CaptainHook\App\Config\Hook $sourceConfig
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     * @param \CaptainHook\App\Config\Hook $targetConfig
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     */
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    private function copyActionsFromTo(Hook $sourceConfig, Hook $targetConfig)
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    {
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        foreach ($sourceConfig->getActions() as $action) {
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            $targetConfig->addAction($action);
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        }
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    }
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    /**
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     * Config factory method
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     *
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     * @param  string $path
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     * @return \CaptainHook\App\Config
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     */
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    public static function create(string $path = '') : Config
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    {
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        $factory = new static();
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        return $factory->createConfig($path);
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    }
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}
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