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<?php declare (strict_types=1); namespace Rector\Nette\Rector\ClassMethod; use PhpParser\Node; use PhpParser\Node\Arg; use PhpParser\Node\Expr\Array_; use PhpParser\Node\Expr\Assign; use PhpParser\Node\Expr\MethodCall; use PhpParser\Node\Expr\Variable; use PhpParser\Node\Stmt\ClassMethod; use PhpParser\Node\Stmt\Expression; use Rector\Core\Rector\AbstractRector; use Rector\Nette\NodeAnalyzer\ConditionalTemplateAssignReplacer; use Rector\Nette\NodeAnalyzer\MethodCallArgMerger; use Rector\Nette\NodeAnalyzer\NetteClassAnalyzer; use Rector\Nette\NodeAnalyzer\RenderMethodAnalyzer; use Rector\Nette\NodeAnalyzer\TemplatePropertyAssignCollector; use Rector\Nette\NodeAnalyzer\TemplatePropertyParametersReplacer; use Rector\Nette\NodeFactory\RenderParameterArrayFactory; use Rector\Nette\ValueObject\TemplateParametersAssigns; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Nette\Tests\Rector\ClassMethod\TemplateMagicAssignToExplicitVariableArrayRector\TemplateMagicAssignToExplicitVariableArrayRectorTest */ final class TemplateMagicAssignToExplicitVariableArrayRector extends AbstractRector { /** * @readonly * @var \Rector\Nette\NodeAnalyzer\TemplatePropertyAssignCollector */ private $templatePropertyAssignCollector; /** * @readonly * @var \Rector\Nette\NodeAnalyzer\RenderMethodAnalyzer */ private $renderMethodAnalyzer; /** * @readonly * @var \Rector\Nette\NodeAnalyzer\NetteClassAnalyzer */ private $netteClassAnalyzer; /** * @readonly * @var \Rector\Nette\NodeFactory\RenderParameterArrayFactory */ private $renderParameterArrayFactory; /** * @readonly * @var \Rector\Nette\NodeAnalyzer\ConditionalTemplateAssignReplacer */ private $conditionalTemplateAssignReplacer; /** * @readonly * @var \Rector\Nette\NodeAnalyzer\TemplatePropertyParametersReplacer */ private $templatePropertyParametersReplacer; /** * @readonly * @var \Rector\Nette\NodeAnalyzer\MethodCallArgMerger */ private $methodCallArgMerger; public function __construct(TemplatePropertyAssignCollector $templatePropertyAssignCollector, RenderMethodAnalyzer $renderMethodAnalyzer, NetteClassAnalyzer $netteClassAnalyzer, RenderParameterArrayFactory $renderParameterArrayFactory, ConditionalTemplateAssignReplacer $conditionalTemplateAssignReplacer, TemplatePropertyParametersReplacer $templatePropertyParametersReplacer, MethodCallArgMerger $methodCallArgMerger) { $this->templatePropertyAssignCollector = $templatePropertyAssignCollector; $this->renderMethodAnalyzer = $renderMethodAnalyzer; $this->netteClassAnalyzer = $netteClassAnalyzer; $this->renderParameterArrayFactory = $renderParameterArrayFactory; $this->conditionalTemplateAssignReplacer = $conditionalTemplateAssignReplacer; $this->templatePropertyParametersReplacer = $templatePropertyParametersReplacer; $this->methodCallArgMerger = $methodCallArgMerger; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Change `$this->templates->{magic}` to `$this->template->render(..., $values)` in components', [new CodeSample(<<<'CODE_SAMPLE' use Nette\Application\UI\Control; class SomeControl extends Control { public function render() { $this->template->param = 'some value'; $this->template->render(__DIR__ . '/poll.latte'); } } CODE_SAMPLE , <<<'CODE_SAMPLE' use Nette\Application\UI\Control; class SomeControl extends Control { public function render() { $this->template->render(__DIR__ . '/poll.latte', ['param' => 'some value']); } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [ClassMethod::class]; } /** * @param ClassMethod $node */ public function refactor(Node $node) : ?Node { if ($this->shouldSkip($node)) { return null; } $renderMethodCalls = $this->renderMethodAnalyzer->machRenderMethodCalls($node); if ($renderMethodCalls === []) { return null; } if (!$this->haveMethodCallsFirstArgument($renderMethodCalls)) { return null; } // initialize $parameters variable for multiple renders if (\count($renderMethodCalls) > 1) { return $this->refactorForMultipleRenderMethodCalls($node, $renderMethodCalls); } return $this->refactorForSingleRenderMethodCall($node, $renderMethodCalls[0]); } private function shouldSkip(ClassMethod $classMethod) : bool { return !$this->netteClassAnalyzer->isInComponent($classMethod); } /** * @param MethodCall[] $methodCalls */ private function haveMethodCallsFirstArgument(array $methodCalls) : bool { foreach ($methodCalls as $methodCall) { if (!isset($methodCall->args[0])) { return \false; } } return \true; } private function refactorForSingleRenderMethodCall(ClassMethod $classMethod, MethodCall $renderMethodCall) : ?ClassMethod { $templateParametersAssigns = $this->templatePropertyAssignCollector->collect($classMethod); $array = $this->renderParameterArrayFactory->createArray($templateParametersAssigns); if (!$array instanceof Array_) { return null; } $this->traverseNodesWithCallable($classMethod, function (Node $node) use($templateParametersAssigns) { if (!$node instanceof Assign) { return null; } foreach ($templateParametersAssigns->getTemplateParameterAssigns() as $alwaysTemplateParameterAssign) { if ($this->nodeComparator->areNodesEqual($node->var, $alwaysTemplateParameterAssign->getAssignVar())) { $this->removeNode($node); return null; } } return $this->replaceThisTemplateAssignWithVariable($templateParametersAssigns, $node); }); $this->conditionalTemplateAssignReplacer->processClassMethod($templateParametersAssigns); // has already an array? $this->methodCallArgMerger->mergeOrApendArray($renderMethodCall, 1, $array); return $classMethod; } /** * @param MethodCall[] $renderMethodCalls */ private function refactorForMultipleRenderMethodCalls(ClassMethod $classMethod, array $renderMethodCalls) : ?ClassMethod { $magicTemplateParametersAssigns = $this->templatePropertyAssignCollector->collect($classMethod); if ($magicTemplateParametersAssigns->getTemplateParameterAssigns() === []) { return null; } $parametersVariable = new Variable('parameters'); $parametersAssign = new Assign($parametersVariable, new Array_()); $assignExpression = new Expression($parametersAssign); $classMethod->stmts = \array_merge([$assignExpression], (array) $classMethod->stmts); $this->templatePropertyParametersReplacer->replace($magicTemplateParametersAssigns, $parametersVariable); foreach ($renderMethodCalls as $renderMethodCall) { $renderMethodCall->args[1] = new Arg($parametersVariable); } return $classMethod; } /** * @return null|\PhpParser\Node\Expr\Assign */ private function replaceThisTemplateAssignWithVariable(TemplateParametersAssigns $templateParametersAssigns, Assign $assign) { foreach ($templateParametersAssigns->getDefaultChangeableTemplateParameterAssigns() as $alwaysTemplateParameterAssign) { if (!$this->nodeComparator->areNodesEqual($assign->var, $alwaysTemplateParameterAssign->getAssignVar())) { continue; } $assign->var = new Variable($alwaysTemplateParameterAssign->getParameterName()); return $assign; } return null; } }
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