fix: Move getInstallPath to Installer class

This method does not need a public API for now, it’s only used
 internally.

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

lib/private/Installer.php

@@ -169,6 +169,18 @@ class Installer {
 		return $matches[0];
 	}
 
+	/**
+	 * Get the path where to install apps
+	 */
+	public function getInstallPath(): ?string {
+		foreach (\OC::$APPSROOTS as $dir) {
+			if (isset($dir['writable']) && $dir['writable'] === true) {
+				return $dir['path'];
+			}
+		}
+		return null;
+	}
+
 	/**
 	 * Downloads an app and puts it into the app directory
 	 *
@@ -181,6 +193,11 @@ class Installer {
 	public function downloadApp(string $appId, bool $allowUnstable = false): void {
 		$appId = strtolower($appId);
 
+		$installPath = $this->getInstallPath();
+		if ($installPath === null) {
+			throw new \Exception('No application directories are marked as writable.');
+		}
+
 		$apps = $this->appFetcher->get($allowUnstable);
 		foreach ($apps as $app) {
 			if ($app['id'] === $appId) {
@@ -333,7 +350,7 @@ class Installer {
 						);
 					}
 
-					$baseDir = OC_App::getInstallPath() . '/' . $appId;
+					$baseDir = $installPath . '/' . $appId;
 					// Remove old app with the ID if existent
 					Files::rmdirr($baseDir);
 					// Move to app folder
@@ -375,7 +392,7 @@ class Installer {
 	 */
 	public function isUpdateAvailable($appId, $allowUnstable = false): string|false {
 		if ($this->isInstanceReadyForUpdates === null) {
-			$installPath = OC_App::getInstallPath();
+			$installPath = $this->getInstallPath();
 			if ($installPath === null) {
 				$this->isInstanceReadyForUpdates = false;
 			} else {
@@ -463,7 +480,13 @@ class Installer {
 			if (\OCP\Server::get(IAppManager::class)->isShipped($appId)) {
 				return false;
 			}
-			$appDir = OC_App::getInstallPath() . '/' . $appId;
+
+			$installPath = $this->getInstallPath();
+			if ($installPath === null) {
+				$this->logger->error('No application directories are marked as writable.', ['app' => 'core']);
+				return false;
+			}
+			$appDir = $installPath . '/' . $appId;
 			Files::rmdirr($appDir);
 			return true;
 		} else {

lib/private/legacy/OC_App.php

@@ -237,21 +237,6 @@ class OC_App {
 		}
 	}
 
-	/**
-	 * Get the path where to install apps
-	 */
-	public static function getInstallPath(): ?string {
-		foreach (OC::$APPSROOTS as $dir) {
-			if (isset($dir['writable']) && $dir['writable'] === true) {
-				return $dir['path'];
-			}
-		}
-
-		Server::get(LoggerInterface::class)->error('No application directories are marked as writable.', ['app' => 'core']);
-		return null;
-	}
-
-
 	/**
 	 * Find the apps root for an app id.
 	 *

lib/private/legacy/OC_Util.php

@@ -345,9 +345,10 @@ class OC_Util {
 
 		// Check if there is a writable install folder.
 		if ($config->getValue('appstoreenabled', true)) {
-			if (OC_App::getInstallPath() === null
-				|| !is_writable(OC_App::getInstallPath())
-				|| !is_readable(OC_App::getInstallPath())
+			$installPath = \OCP\Server::get(\OC\Installer::class)->getInstallPath();
+			if ($installPath === null
+				|| !is_writable($installPath)
+				|| !is_readable($installPath)
 			) {
 				$errors[] = [
 					'error' => $l->t('Cannot write into "apps" directory.'),

tests/lib/InstallerTest.php

@@ -92,12 +92,7 @@ class InstallerTest extends TestCase {
 		// Read the current version of the app to check for bug #2572
 		Server::get(IAppManager::class)->getAppVersion('testapp', true);
 
-		// Extract app
-		$pathOfTestApp = __DIR__ . '/../data/testapp.zip';
-		$tar = new ZIP($pathOfTestApp);
-		$tar->extract(\OC_App::getInstallPath());
-
-		// Install app
+		// Build installer
 		$installer = new Installer(
 			Server::get(AppFetcher::class),
 			Server::get(IClientService::class),
@@ -106,6 +101,13 @@ class InstallerTest extends TestCase {
 			Server::get(IConfig::class),
 			false
 		);
+
+		// Extract app
+		$pathOfTestApp = __DIR__ . '/../data/testapp.zip';
+		$tar = new ZIP($pathOfTestApp);
+		$tar->extract($installer->getInstallPath());
+
+		// Install app
 		$this->assertNull(Server::get(IConfig::class)->getAppValue('testapp', 'enabled', null), 'Check that the app is not listed before installation');
 		$this->assertSame('testapp', $installer->installApp(self::$appid));
 		$this->assertSame('no', Server::get(IConfig::class)->getAppValue('testapp', 'enabled', null), 'Check that the app is listed after installation');