#316 add custom rector to change $entity->isEmpty() to !$entity->hasValue()

Author: LordSimal

config/rector/cakephp53.php

@@ -0,0 +1,9 @@
+<?php
+declare(strict_types=1);
+
+use Cake\Upgrade\Rector\Set\CakePHPSetList;
+use Rector\Config\RectorConfig;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->sets([CakePHPSetList::CAKEPHP_53]);
+};

config/rector/sets/cakephp53.php

@@ -0,0 +1,10 @@
+<?php
+declare(strict_types=1);
+
+use Cake\Upgrade\Rector\Rector\MethodCall\EntityIsEmptyRector;
+use Rector\Config\RectorConfig;
+
+# @see https://book.cakephp.org/5/en/appendices/5-3-migration-guide.html
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(EntityIsEmptyRector::class);
+};

src/Rector/Rector/MethodCall/EntityIsEmptyRector.php

@@ -0,0 +1,58 @@
+<?php
+declare(strict_types=1);
+
+namespace Cake\Upgrade\Rector\Rector\MethodCall;
+
+use Cake\ORM\Entity;
+use PhpParser\Node;
+use PhpParser\Node\Expr\BooleanNot;
+use PhpParser\Node\Expr\MethodCall;
+use PhpParser\Node\Identifier;
+use PHPStan\Type\ObjectType;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+final class EntityIsEmptyRector extends AbstractRector
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Replace $entity->isEmpty() with !$entity->hasValue() for \Cake\ORM\Entity descendants',
+            [
+                new CodeSample(
+                    '$entity->isEmpty();',
+                    '!$entity->hasValue();',
+                ),
+            ],
+        );
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [MethodCall::class];
+    }
+
+    public function refactor(Node $node): ?Node
+    {
+        if (!$node instanceof MethodCall) {
+            return null;
+        }
+
+        if (!$this->isName($node->name, 'isEmpty')) {
+            return null;
+        }
+
+        $objectType = $this->getType($node->var);
+        if (!$objectType instanceof ObjectType) {
+            return null;
+        }
+
+        if (!$objectType->isInstanceOf(Entity::class)->yes()) {
+            return null;
+        }
+
+        // Replace with !$entity->hasValue()
+        return new BooleanNot(new MethodCall($node->var, new Identifier('hasValue')));
+    }
+}

src/Rector/Set/CakePHPSetList.php

@@ -80,6 +80,11 @@ final class CakePHPSetList
      */
     public const CAKEPHP_52 = __DIR__ . '/../../../config/rector/sets/cakephp52.php';
 
+    /**
+     * @var string
+     */
+    public const CAKEPHP_53 = __DIR__ . '/../../../config/rector/sets/cakephp53.php';
+
     /**
      * @var string
      */

tests/test_apps/original/RectorCommand-testApply53/src/SomeTest.php

@@ -0,0 +1,15 @@
+<?php
+declare(strict_types=1);
+
+namespace MyPlugin;
+
+use Cake\ORM\Entity;
+
+class SomeTest
+{
+    public function testRenames(): void
+    {
+        $entity = new Entity();
+        $result = $entity->isEmpty('test');
+    }
+}

tests/test_apps/upgraded/RectorCommand-testApply53/src/SomeTest.php

@@ -0,0 +1,15 @@
+<?php
+declare(strict_types=1);
+
+namespace MyPlugin;
+
+use Cake\ORM\Entity;
+
+class SomeTest
+{
+    public function testRenames(): void
+    {
+        $entity = new Entity();
+        $result = !$entity->hasValue('test');
+    }
+}