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<?php |
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/** |
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* Opine\Config\Model |
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* |
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* Copyright (c)2013, 2014 Ryan Mahoney, https://github.com/Opine-Org <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace Opine\Config; |
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use Exception; |
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use Opine\Interfaces\Cache as CacheInterface; |
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use Symfony\Component\Yaml\Yaml; |
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class Model |
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{ |
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private $root; |
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private $cache; |
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private $cacheFile; |
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private $cacheFolder; |
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private $environment; |
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private $projectName; |
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private $cachePrefix; |
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public function __construct($root, CacheInterface $cache) |
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{ |
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$this->root = $root; |
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$this->cache = $cache; |
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$this->cacheFile = $this->root.'/../var/cache/config.json'; |
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$this->cacheFolder = $this->root.'/../var/cache'; |
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// set environment |
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$this->environment = 'default'; |
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$test = getenv('OPINE_ENV'); |
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if ($test !== false) { |
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$this->environment = $test; |
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} |
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// set environment |
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$this->projectName = 'project'; |
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$test = getenv('OPINE_PROJECT'); |
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if ($test !== false) { |
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$this->projectName = $test; |
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} |
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$this->cachePrefix = $this->projectName . $this->environment; |
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} |
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public function getCacheFileData() |
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{ |
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if (!file_exists($this->cacheFile)) { |
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return []; |
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} |
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$config = (array) json_decode(file_get_contents($this->cacheFile), true); |
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if (isset($config[$this->environment])) { |
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return $config[$this->environment]; |
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} elseif (isset($config['default'])) { |
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return $config['default']; |
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} |
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return []; |
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} |
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public function build() |
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{ |
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$config['default'] = $this->processFolder($this->root.'/../config/settings'); |
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$environments = glob($this->root.'/../config/settings/*', GLOB_ONLYDIR); |
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if ($environments != false) { |
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foreach ($environments as $directory) { |
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$env = explode('/', $directory); |
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$env = array_pop($env); |
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if (in_array($env, ['layouts', 'managers', 'collections', 'forms'])) { |
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continue; |
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} |
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$config[$env] = $this->processFolder($directory); |
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foreach ($config[$env] as $configName => $value) { |
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if (!isset($config['default'][$configName])) { |
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continue; |
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} |
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$config[$env][$configName] = array_merge($config['default'][$configName], $config[$env][$configName]); |
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} |
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foreach ($config['default'] as $configName => $value) { |
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if (isset($config[$env][$configName])) { |
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continue; |
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} |
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$config[$env][$configName] = $value; |
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} |
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} |
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} |
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$this->cache->set($this->cachePrefix.'-config', json_encode($config)); |
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if (!file_exists($this->cacheFolder)) { |
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mkdir($this->cacheFolder, 0777, true); |
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} |
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file_put_contents($this->cacheFile, json_encode($config, JSON_PRETTY_PRINT)); |
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} |
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private function processFolder($folder) |
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{ |
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$files = glob($folder.'/*.yml'); |
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if ($files === false) { |
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return []; |
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} |
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$data = []; |
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foreach ($files as $configFile) { |
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$configName = basename($configFile, '.yml'); |
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$config = $this->yaml($configFile); |
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if ($config === false) { |
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throw new Exception('error in YAML file: '.$configFile); |
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} |
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if (!isset($config['settings'])) { |
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throw new Exception('all config files must be under the settings key: '.$configFile); |
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} |
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$data[$configName] = $config['settings']; |
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} |
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return $data; |
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} |
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private function yaml($configFile) |
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{ |
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if (function_exists('yaml_parse_file')) { |
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return yaml_parse_file($configFile); |
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} |
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return Yaml::parse(file_get_contents($configFile)); |
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} |
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} |
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Opine-Org /
Config
Loading history...
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.