1 files changed, 67 insertions, 0 deletions
diff --git a/lib/private/app/appmanager.php b/lib/private/app/appmanager.php
index 7a61cd53c59..86674aa047c 100644
--- a/lib/private/app/appmanager.php
+++ b/lib/private/app/appmanager.php
@@ -209,4 +209,71 @@ class AppManager implements IAppManager {
 		$settingsMemCache = $this->memCacheFactory->create('settings');
 		$settingsMemCache->clear('listApps');
 	}
+
+	/**
+	 * Returns a list of apps that need upgrade
+	 *
+	 * @return array list of app info from apps that need an upgrade
+	 *
+	 * @internal
+	 */
+	public function getAppsNeedingUpgrade() {
+		$appsToUpgrade = [];
+		$apps = $this->getInstalledApps();
+		foreach ($apps as $appId) {
+			$appInfo = $this->getAppInfo($appId);
+			$appDbVersion = $this->appConfig->getValue($appId, 'installed_version');
+			if ($appDbVersion
+				&& isset($appInfo['version'])
+				&& version_compare($appInfo['version'], $appDbVersion, '>')
+			) {
+				$appsToUpgrade[] = $appInfo;
+			}
+		}
+
+		return $appsToUpgrade;
+	}
+
+	/**
+	 * Returns the app information from "appinfo/info.xml".
+	 *
+	 * If no version was present in "appinfo/info.xml", reads it
+	 * from the external "appinfo/version" file instead.
+	 *
+	 * @param string $appId app id
+	 *
+	 * @return array app iinfo
+	 *
+	 * @internal
+	 */
+	public function getAppInfo($appId) {
+		$appInfo = \OC_App::getAppInfo($appId);
+		if (!isset($appInfo['version'])) {
+			// read version from separate file
+			$appInfo['version'] = \OC_App::getAppVersion($appId);
+		}
+		return $appInfo;
+	}
+
+	/**
+	 * Returns a list of apps incompatible with the given version
+	 *
+	 * @param array $version version as array of version components
+	 *
+	 * @return array list of app info from incompatible apps
+	 *
+	 * @internal
+	 */
+	public function getIncompatibleApps($version) {
+		$apps = $this->getInstalledApps();
+		$incompatibleApps = array();
+		foreach ($apps as $appId) {
+			$info = $this->getAppInfo($appId);
+			if (!\OC_App::isAppCompatible($version, $info)) {
+				$incompatibleApps[] = $info;
+			}
+		}
+		return $incompatibleApps;
+	}
+
 }