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<?php |
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namespace Bdf\Prime\Entity; |
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use Bdf\Prime\Mapper\Mapper; |
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use Bdf\Prime\Mapper\Metadata; |
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use LogicException; |
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use Nette\PhpGenerator\ClassType; |
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use Nette\PhpGenerator\PhpFile; |
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use Nette\PhpGenerator\PsrPrinter; |
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use ReflectionFunction; |
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use ReflectionMethod; |
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use ReflectionNamedType; |
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use function file_get_contents; |
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/** |
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* Generate a criteria class for a given entity |
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*/ |
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final class CriteriaGenerator |
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{ |
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private string $className; |
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private ?PhpFile $file = null; |
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private ?ClassType $class = null; |
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/** |
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* @param string $className The generated criteria class name. Can be a FQCN (i.e. with namespace) |
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*/ |
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public function __construct(string $className) |
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{ |
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$this->className = $className; |
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} |
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/** |
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* Loads a criteria class from a file |
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* Calling this method permit to update the class (i.e. keep the existing methods) instead of regenerating it. |
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* |
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* @param string $filename The file path to load |
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* @return void |
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*/ |
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public function loadFromFile(string $filename): void |
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{ |
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$this->file = PhpFile::fromCode(file_get_contents($filename)); |
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$this->class = $this->file->getClasses()[$this->className] ?? null; |
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} |
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/** |
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* Declare a setter method for each attribute of the entity |
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* |
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* @param Metadata $metadata |
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* @return void |
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*/ |
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public function parseMetadata(Metadata $metadata): void |
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{ |
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$class = $this->class(); |
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foreach ($metadata->attributes() as $field) { |
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if (isset($field['embedded']) || $class->hasMethod($field['attribute'])) { |
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continue; |
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} |
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$method = $class->addMethod($field['attribute']); |
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$method->addParameter('value'); |
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$method->setReturnType('self'); |
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$method->addBody('$this->add(?, $value);', [$field['attribute']]); |
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$method->addBody('return $this;'); |
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} |
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} |
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/** |
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* Declare a setter for each custom filter |
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* |
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* @param array<string, callable> $customFilters |
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* @return void |
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* |
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* @see Mapper::filters() |
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*/ |
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public function parseCustomFilters(array $customFilters): void |
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{ |
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$class = $this->class(); |
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foreach ($customFilters as $name => $filter) { |
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if ($class->hasMethod($name)) { |
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continue; |
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} |
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$method = $class->addMethod($name); |
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$method->setReturnType('self'); |
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$reflection = is_array($filter) ? new ReflectionMethod($filter[0], $filter[1]) : new ReflectionFunction($filter); |
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if (!$parameterReflection = $reflection->getParameters()[1] ?? null) { |
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continue; |
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} |
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$method->addParameter($parameterReflection->getName()) |
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->setType($parameterReflection->getType() instanceof ReflectionNamedType ? $parameterReflection->getType()->getName() : null) |
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; |
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$method->addBody('$this->add(?, $?);', [$name, $parameterReflection->getName()]); |
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$method->addBody('return $this;'); |
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} |
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} |
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/** |
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* Dump the generated class |
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* Note: the code starts with an open `<?php` tag |
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* |
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* @return string |
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*/ |
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public function dump(): string |
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{ |
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if (!$this->file) { |
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throw new LogicException('No criteria class generated. Call parseMetadata() or parseCustomFilters() first'); |
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} |
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return (new PsrPrinter())->printFile($this->file); |
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} |
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9 |
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private function class(): ClassType |
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{ |
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if ($this->class) { |
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return $this->class; |
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} |
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if (!$this->file) { |
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$this->file = new PhpFile(); |
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} |
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$this->class = $this->file->addClass($this->className); |
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$this->class->setExtends(Criteria::class); |
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foreach ($this->file->getNamespaces() as $namespace) { |
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$namespace->addUse(Criteria::class); |
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} |
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return $this->class; |
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} |
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} |
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b2pweb /
bdf-prime
