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<?php |
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namespace NerdsAndCompany\Schematic\Models; |
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use Exception; |
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use craft\base\Model; |
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use Symfony\Component\Yaml\Yaml; |
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/** |
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* Schematic Data Model. |
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* |
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* Encapsulates data that has been exported via schematic. |
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* |
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* @author Nerds & Company |
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* @copyright Copyright (c) 2015-2019, Nerds & Company |
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* @license MIT |
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* |
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* @see http://www.nerds.company |
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*/ |
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class Data extends Model |
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{ |
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/** |
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* Replace placeholders with enviroment variables. |
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* |
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* Placeholders start with % and end with %. This will be replaced by the |
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* environment variable with the name SCHEMATIC_{PLACEHOLDER}. If the |
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* environment variable is not set an exception will be thrown. |
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* |
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* @param string $yaml |
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* |
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* @return string |
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* |
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* @throws Exception |
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*/ |
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public static function replaceEnvVariables($yaml): string |
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{ |
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$matches = null; |
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preg_match_all('/%\w+%/', $yaml, $matches); |
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$originalValues = $matches[0]; |
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$replaceValues = []; |
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foreach ($originalValues as $match) { |
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$envVariable = substr($match, 1, -1); |
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$envValue = getenv($envVariable); |
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if (!$envValue) { |
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$envVariable = strtoupper($envVariable); |
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$envVariable = 'SCHEMATIC_'.$envVariable; |
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$envValue = getenv($envVariable); |
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if (!$envValue) { |
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throw new Exception("Schematic environment variable not set: {$envVariable}"); |
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} |
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} |
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$replaceValues[] = $envValue; |
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} |
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return str_replace($originalValues, $replaceValues, $yaml); |
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} |
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/** |
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* Convert array to yaml. |
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* |
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* @param array $data |
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* |
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* @return string |
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*/ |
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public static function toYaml(array $data): string |
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{ |
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return Yaml::dump($data, 12, 2); |
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} |
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/** |
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* Read yaml file and parse content. |
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* |
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* @param $file |
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* @return array |
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* @throws Exception |
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*/ |
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public static function parseYamlFile($file): array |
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{ |
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if (file_exists($file)) { |
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$data = file_get_contents($file); |
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if (!empty($data)) { |
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$data = static::replaceEnvVariables($data); |
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return Yaml::parse($data); |
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} |
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} |
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return []; |
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} |
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} |
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nerds-and-company /
schematic
