chore(rector): Add rule to import Nextcloud classes in all files

We skip all files outside of OC/OCA/OCP from "use" auto-import because
 it’s not always desirable to import classes when they have generic
 names, so it should be the developer choice.

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

build/rector.php

@@ -7,10 +7,32 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+use PhpParser\Node;
+use Rector\CodingStyle\Contract\ClassNameImport\ClassNameImportSkipVoterInterface;
 use Rector\Config\RectorConfig;
+use Rector\StaticTypeMapper\ValueObject\Type\FullyQualifiedObjectType;
+use Rector\ValueObject\Application\File;
 
 $nextcloudDir = dirname(__DIR__);
 
+class NextcloudNamespaceSkipVoter implements ClassNameImportSkipVoterInterface {
+	private array $namespacePrefixes = [
+		'OC',
+		'OCA',
+		'OCP',
+	];
+	public function shouldSkip(File $file, FullyQualifiedObjectType $fullyQualifiedObjectType, Node $node) : bool {
+		foreach ($this->namespacePrefixes as $prefix) {
+			if (str_starts_with($fullyQualifiedObjectType->getClassName(), $prefix . '\\')) {
+				// Import Nextcloud namespaces
+				return false;
+			}
+		}
+		// Skip everything else
+		return true;
+	}
+}
+
 $config = RectorConfig::configure()
 	->withPaths([
 		$nextcloudDir . '/apps',
@@ -30,9 +52,12 @@
 	])
 	// uncomment to reach your current PHP version
 	// ->withPhpSets()
+	->withImportNames(importShortClasses:false)
 	->withTypeCoverageLevel(0);
 
+$config->registerService(NextcloudNamespaceSkipVoter::class, tag:ClassNameImportSkipVoterInterface::class);
 
+/* Ignore all files ignored by git */
 $ignoredEntries = shell_exec('git status --porcelain --ignored ' . escapeshellarg($nextcloudDir));
 $ignoredEntries = explode("\n", $ignoredEntries);
 $ignoredEntries = array_filter($ignoredEntries, static fn (string $line) => str_starts_with($line, '!! '));