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<?php |
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/** |
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* Alxarafe. Development of PHP applications in a flash! |
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* Copyright (C) 2018-2019 Alxarafe <[email protected]> |
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*/ |
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namespace Alxarafe\Core\PreProcessors; |
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use Alxarafe\Core\Helpers\Utils\FileSystemUtils; |
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use Alxarafe\Core\Models\TableModel; |
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use Alxarafe\Core\Providers\Database; |
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use Alxarafe\Core\Providers\FlashMessages; |
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use Alxarafe\Core\Providers\Translator; |
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use ReflectionClass; |
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use Symfony\Component\Finder\Finder; |
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/** |
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* This class pre-process Models to generate some needed information. |
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* |
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* @package Alxarafe\Core\PreProcessors |
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*/ |
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class Models |
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{ |
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/** |
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* Array that contains the paths to search. |
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* |
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* @var array |
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*/ |
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protected $searchDir; |
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/** |
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* A list of class dependencies |
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* |
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* @var array |
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*/ |
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protected $classDependencies; |
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/** |
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* Models constructor. |
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* |
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* @param array $dirs |
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*/ |
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public function __construct(array $dirs) |
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{ |
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$this->searchDir = $dirs; |
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$this->instantiateModels(); |
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} |
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/** |
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* Instantiate all available models |
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* |
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* TODO: This must be executed only when update/upgrade the core. At this moment is forced if DEBUG is enabled. |
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* |
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* @return void |
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*/ |
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private function instantiateModels(): void |
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{ |
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// Start DB transaction |
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Database::getInstance()->getDbEngine()->beginTransaction(); |
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$this->classDependencies = []; |
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$list = []; |
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foreach ($this->searchDir as $namespace => $baseDir) { |
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$this->fillList($namespace, $baseDir, $list); |
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// Instanciate dependencies and after the main class |
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foreach ($list as $class) { |
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$this->addClassDependencies($class); |
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} |
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} |
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foreach ($list as $class) { |
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$this->addClass($class); |
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} |
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foreach ($this->classDependencies as $className) { |
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$this->addTableData($className); |
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} |
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foreach ($this->classDependencies as $className) { |
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new $className(true); |
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} |
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// End DB transaction |
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if (!Database::getInstance()->getDbEngine()->commit()) { |
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FlashMessages::getInstance()::setError(Translator::getInstance()->trans('reinstanciated-model-class-error')); |
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} |
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} |
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/** |
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* Fill list of classes. |
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* |
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* @param string $namespace |
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* @param string $baseDir |
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* @param string[] $list |
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*/ |
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private function fillList(string $namespace, string $baseDir, array &$list): void |
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{ |
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$dir = $baseDir . DIRECTORY_SEPARATOR . 'Models'; |
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FileSystemUtils::mkdir($dir, 0777, true); |
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$models = Finder::create() |
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->files() |
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->name('*.php') |
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->in($dir); |
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foreach ($models->getIterator() as $modelFile) { |
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$class = str_replace([$dir, '/', '\\', '.php'], '', $modelFile); |
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if ($namespace === 'Alxarafe') { |
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$namespace .= '\\Core'; |
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} |
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$list[] = $namespace . '\\Models\\' . $class; |
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} |
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} |
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/** |
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* Load class dependencies before load direct class. |
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* |
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* @param string $className |
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*/ |
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private function addClassDependencies(string $className): void |
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{ |
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if (method_exists($className, 'getDependencies')) { |
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$deps = (new $className())->getDependencies(); |
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foreach ($deps as $dep) { |
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$this->addClassFirst((string) $dep); |
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} |
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$this->addClass((string) $className); |
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} |
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} |
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/** |
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* Load class only if not yet loaded. |
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* |
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* @param string $className |
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*/ |
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private function addClassFirst(string $className): void |
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{ |
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if (in_array($className, $this->classDependencies, true)) { |
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$whereIs = array_search($className, $this->classDependencies, true); |
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unset($this->classDependencies[$whereIs]); |
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} |
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array_unshift($this->classDependencies, $className); |
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} |
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/** |
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* Load class only if not yet loaded. |
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* |
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* @param string $className |
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*/ |
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private function addClass(string $className): void |
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{ |
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if (!in_array($className, $this->classDependencies, true)) { |
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$this->classDependencies[] = $className; |
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} |
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} |
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/** |
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* Adds Model needed data to TableModel. |
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* |
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* @param $className |
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*/ |
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private function addTableData($className) |
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{ |
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$class = new $className(); |
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if ($class->modelName !== 'TableModel') { |
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$tableModel = new TableModel(); |
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if (!$tableModel->load($class->tableName)) { |
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$tableModel->tablename = $class->tableName; |
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$tableModel->model = $class->modelName; |
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try { |
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$tableModel->namespace = (new ReflectionClass($class))->getName(); |
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} catch (\ReflectionException $e) { |
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$tableModel->namespace = static::class; |
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} |
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$tableModel->save(); |
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} |
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} |
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} |
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} |
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alxarafe /
alxarafe
