nextcloud / server

lib/private/Files/Utils/Scanner.php

Doc Comments +1 added lines

@@ -182,6 +182,7 @@
 
 	/**
 	 * @param string $dir
+	 * @param boolean $recursive
 	 * @throws \OC\ForbiddenException
 	 * @throws \OCP\Files\NotFoundException
 	 */

Indentation +202 added lines, -202 removed lines

@@ -50,233 +50,233 @@
  * @package OC\Files\Utils
  */
 class Scanner extends PublicEmitter {
-	const MAX_ENTRIES_TO_COMMIT = 10000;
+    const MAX_ENTRIES_TO_COMMIT = 10000;
 
-	/**
-	 * @var string $user
-	 */
-	private $user;
+    /**
+     * @var string $user
+     */
+    private $user;
 
-	/**
-	 * @var \OCP\IDBConnection
-	 */
-	protected $db;
+    /**
+     * @var \OCP\IDBConnection
+     */
+    protected $db;
 
-	/**
-	 * @var ILogger
-	 */
-	protected $logger;
+    /**
+     * @var ILogger
+     */
+    protected $logger;
 
-	/**
-	 * Whether to use a DB transaction
-	 *
-	 * @var bool
-	 */
-	protected $useTransaction;
+    /**
+     * Whether to use a DB transaction
+     *
+     * @var bool
+     */
+    protected $useTransaction;
 
-	/**
-	 * Number of entries scanned to commit
-	 *
-	 * @var int
-	 */
-	protected $entriesToCommit;
+    /**
+     * Number of entries scanned to commit
+     *
+     * @var int
+     */
+    protected $entriesToCommit;
 
-	/**
-	 * @param string $user
-	 * @param \OCP\IDBConnection $db
-	 * @param ILogger $logger
-	 */
-	public function __construct($user, $db, ILogger $logger) {
-		$this->logger = $logger;
-		$this->user = $user;
-		$this->db = $db;
-		// when DB locking is used, no DB transactions will be used
-		$this->useTransaction = !(\OC::$server->getLockingProvider() instanceof DBLockingProvider);
-	}
+    /**
+     * @param string $user
+     * @param \OCP\IDBConnection $db
+     * @param ILogger $logger
+     */
+    public function __construct($user, $db, ILogger $logger) {
+        $this->logger = $logger;
+        $this->user = $user;
+        $this->db = $db;
+        // when DB locking is used, no DB transactions will be used
+        $this->useTransaction = !(\OC::$server->getLockingProvider() instanceof DBLockingProvider);
+    }
 
-	/**
-	 * get all storages for $dir
-	 *
-	 * @param string $dir
-	 * @return \OC\Files\Mount\MountPoint[]
-	 */
-	protected function getMounts($dir) {
-		//TODO: move to the node based fileapi once that's done
-		\OC_Util::tearDownFS();
-		\OC_Util::setupFS($this->user);
+    /**
+     * get all storages for $dir
+     *
+     * @param string $dir
+     * @return \OC\Files\Mount\MountPoint[]
+     */
+    protected function getMounts($dir) {
+        //TODO: move to the node based fileapi once that's done
+        \OC_Util::tearDownFS();
+        \OC_Util::setupFS($this->user);
 
-		$mountManager = Filesystem::getMountManager();
-		$mounts = $mountManager->findIn($dir);
-		$mounts[] = $mountManager->find($dir);
-		$mounts = array_reverse($mounts); //start with the mount of $dir
+        $mountManager = Filesystem::getMountManager();
+        $mounts = $mountManager->findIn($dir);
+        $mounts[] = $mountManager->find($dir);
+        $mounts = array_reverse($mounts); //start with the mount of $dir
 
-		return $mounts;
-	}
+        return $mounts;
+    }
 
-	/**
-	 * attach listeners to the scanner
-	 *
-	 * @param \OC\Files\Mount\MountPoint $mount
-	 */
-	protected function attachListener($mount) {
-		$scanner = $mount->getStorage()->getScanner();
-		$emitter = $this;
-		$scanner->listen('\OC\Files\Cache\Scanner', 'scanFile', function ($path) use ($mount, $emitter) {
-			$emitter->emit('\OC\Files\Utils\Scanner', 'scanFile', array($mount->getMountPoint() . $path));
-		});
-		$scanner->listen('\OC\Files\Cache\Scanner', 'scanFolder', function ($path) use ($mount, $emitter) {
-			$emitter->emit('\OC\Files\Utils\Scanner', 'scanFolder', array($mount->getMountPoint() . $path));
-		});
-		$scanner->listen('\OC\Files\Cache\Scanner', 'postScanFile', function ($path) use ($mount, $emitter) {
-			$emitter->emit('\OC\Files\Utils\Scanner', 'postScanFile', array($mount->getMountPoint() . $path));
-		});
-		$scanner->listen('\OC\Files\Cache\Scanner', 'postScanFolder', function ($path) use ($mount, $emitter) {
-			$emitter->emit('\OC\Files\Utils\Scanner', 'postScanFolder', array($mount->getMountPoint() . $path));
-		});
-	}
+    /**
+     * attach listeners to the scanner
+     *
+     * @param \OC\Files\Mount\MountPoint $mount
+     */
+    protected function attachListener($mount) {
+        $scanner = $mount->getStorage()->getScanner();
+        $emitter = $this;
+        $scanner->listen('\OC\Files\Cache\Scanner', 'scanFile', function ($path) use ($mount, $emitter) {
+            $emitter->emit('\OC\Files\Utils\Scanner', 'scanFile', array($mount->getMountPoint() . $path));
+        });
+        $scanner->listen('\OC\Files\Cache\Scanner', 'scanFolder', function ($path) use ($mount, $emitter) {
+            $emitter->emit('\OC\Files\Utils\Scanner', 'scanFolder', array($mount->getMountPoint() . $path));
+        });
+        $scanner->listen('\OC\Files\Cache\Scanner', 'postScanFile', function ($path) use ($mount, $emitter) {
+            $emitter->emit('\OC\Files\Utils\Scanner', 'postScanFile', array($mount->getMountPoint() . $path));
+        });
+        $scanner->listen('\OC\Files\Cache\Scanner', 'postScanFolder', function ($path) use ($mount, $emitter) {
+            $emitter->emit('\OC\Files\Utils\Scanner', 'postScanFolder', array($mount->getMountPoint() . $path));
+        });
+    }
 
-	/**
-	 * @param string $dir
-	 */
-	public function backgroundScan($dir) {
-		$mounts = $this->getMounts($dir);
-		foreach ($mounts as $mount) {
-			$storage = $mount->getStorage();
-			if (is_null($storage)) {
-				continue;
-			}
+    /**
+     * @param string $dir
+     */
+    public function backgroundScan($dir) {
+        $mounts = $this->getMounts($dir);
+        foreach ($mounts as $mount) {
+            $storage = $mount->getStorage();
+            if (is_null($storage)) {
+                continue;
+            }
 
-			// don't bother scanning failed storages (shortcut for same result)
-			if ($storage->instanceOfStorage(FailedStorage::class)) {
-				continue;
-			}
+            // don't bother scanning failed storages (shortcut for same result)
+            if ($storage->instanceOfStorage(FailedStorage::class)) {
+                continue;
+            }
 
-			// don't scan the root storage
-			if ($storage->instanceOfStorage('\OC\Files\Storage\Local') && $mount->getMountPoint() === '/') {
-				continue;
-			}
+            // don't scan the root storage
+            if ($storage->instanceOfStorage('\OC\Files\Storage\Local') && $mount->getMountPoint() === '/') {
+                continue;
+            }
 
-			// don't scan received local shares, these can be scanned when scanning the owner's storage
-			if ($storage->instanceOfStorage(SharedStorage::class)) {
-				continue;
-			}
-			$scanner = $storage->getScanner();
-			$this->attachListener($mount);
+            // don't scan received local shares, these can be scanned when scanning the owner's storage
+            if ($storage->instanceOfStorage(SharedStorage::class)) {
+                continue;
+            }
+            $scanner = $storage->getScanner();
+            $this->attachListener($mount);
 
-			$scanner->listen('\OC\Files\Cache\Scanner', 'removeFromCache', function ($path) use ($storage) {
-				$this->triggerPropagator($storage, $path);
-			});
-			$scanner->listen('\OC\Files\Cache\Scanner', 'updateCache', function ($path) use ($storage) {
-				$this->triggerPropagator($storage, $path);
-			});
-			$scanner->listen('\OC\Files\Cache\Scanner', 'addToCache', function ($path) use ($storage) {
-				$this->triggerPropagator($storage, $path);
-			});
+            $scanner->listen('\OC\Files\Cache\Scanner', 'removeFromCache', function ($path) use ($storage) {
+                $this->triggerPropagator($storage, $path);
+            });
+            $scanner->listen('\OC\Files\Cache\Scanner', 'updateCache', function ($path) use ($storage) {
+                $this->triggerPropagator($storage, $path);
+            });
+            $scanner->listen('\OC\Files\Cache\Scanner', 'addToCache', function ($path) use ($storage) {
+                $this->triggerPropagator($storage, $path);
+            });
 
-			$propagator = $storage->getPropagator();
-			$propagator->beginBatch();
-			$scanner->backgroundScan();
-			$propagator->commitBatch();
-		}
-	}
+            $propagator = $storage->getPropagator();
+            $propagator->beginBatch();
+            $scanner->backgroundScan();
+            $propagator->commitBatch();
+        }
+    }
 
-	/**
-	 * @param string $dir
-	 * @throws \OC\ForbiddenException
-	 * @throws \OCP\Files\NotFoundException
-	 */
-	public function scan($dir = '', $recursive = \OC\Files\Cache\Scanner::SCAN_RECURSIVE) {
-		if (!Filesystem::isValidPath($dir)) {
-			throw new \InvalidArgumentException('Invalid path to scan');
-		}
-		$mounts = $this->getMounts($dir);
-		foreach ($mounts as $mount) {
-			$storage = $mount->getStorage();
-			if (is_null($storage)) {
-				continue;
-			}
+    /**
+     * @param string $dir
+     * @throws \OC\ForbiddenException
+     * @throws \OCP\Files\NotFoundException
+     */
+    public function scan($dir = '', $recursive = \OC\Files\Cache\Scanner::SCAN_RECURSIVE) {
+        if (!Filesystem::isValidPath($dir)) {
+            throw new \InvalidArgumentException('Invalid path to scan');
+        }
+        $mounts = $this->getMounts($dir);
+        foreach ($mounts as $mount) {
+            $storage = $mount->getStorage();
+            if (is_null($storage)) {
+                continue;
+            }
 
-			// don't bother scanning failed storages (shortcut for same result)
-			if ($storage->instanceOfStorage(FailedStorage::class)) {
-				continue;
-			}
+            // don't bother scanning failed storages (shortcut for same result)
+            if ($storage->instanceOfStorage(FailedStorage::class)) {
+                continue;
+            }
 
-			// if the home storage isn't writable then the scanner is run as the wrong user
-			if ($storage->instanceOfStorage('\OC\Files\Storage\Home') and
-				(!$storage->isCreatable('') or !$storage->isCreatable('files'))
-			) {
-				if ($storage->file_exists('') or $storage->getCache()->inCache('')) {
-					throw new ForbiddenException();
-				} else {// if the root exists in neither the cache nor the storage the user isn't setup yet
-					break;
-				}
+            // if the home storage isn't writable then the scanner is run as the wrong user
+            if ($storage->instanceOfStorage('\OC\Files\Storage\Home') and
+                (!$storage->isCreatable('') or !$storage->isCreatable('files'))
+            ) {
+                if ($storage->file_exists('') or $storage->getCache()->inCache('')) {
+                    throw new ForbiddenException();
+                } else {// if the root exists in neither the cache nor the storage the user isn't setup yet
+                    break;
+                }
 
-			}
+            }
 
-			// don't scan received local shares, these can be scanned when scanning the owner's storage
-			if ($storage->instanceOfStorage(SharedStorage::class)) {
-				continue;
-			}
-			$relativePath = $mount->getInternalPath($dir);
-			$scanner = $storage->getScanner();
-			$scanner->setUseTransactions(false);
-			$this->attachListener($mount);
+            // don't scan received local shares, these can be scanned when scanning the owner's storage
+            if ($storage->instanceOfStorage(SharedStorage::class)) {
+                continue;
+            }
+            $relativePath = $mount->getInternalPath($dir);
+            $scanner = $storage->getScanner();
+            $scanner->setUseTransactions(false);
+            $this->attachListener($mount);
 
-			$scanner->listen('\OC\Files\Cache\Scanner', 'removeFromCache', function ($path) use ($storage) {
-				$this->postProcessEntry($storage, $path);
-			});
-			$scanner->listen('\OC\Files\Cache\Scanner', 'updateCache', function ($path) use ($storage) {
-				$this->postProcessEntry($storage, $path);
-			});
-			$scanner->listen('\OC\Files\Cache\Scanner', 'addToCache', function ($path) use ($storage) {
-				$this->postProcessEntry($storage, $path);
-			});
+            $scanner->listen('\OC\Files\Cache\Scanner', 'removeFromCache', function ($path) use ($storage) {
+                $this->postProcessEntry($storage, $path);
+            });
+            $scanner->listen('\OC\Files\Cache\Scanner', 'updateCache', function ($path) use ($storage) {
+                $this->postProcessEntry($storage, $path);
+            });
+            $scanner->listen('\OC\Files\Cache\Scanner', 'addToCache', function ($path) use ($storage) {
+                $this->postProcessEntry($storage, $path);
+            });
 
-			if (!$storage->file_exists($relativePath)) {
-				throw new NotFoundException($dir);
-			}
+            if (!$storage->file_exists($relativePath)) {
+                throw new NotFoundException($dir);
+            }
 
-			if ($this->useTransaction) {
-				$this->db->beginTransaction();
-			}
-			try {
-				$propagator = $storage->getPropagator();
-				$propagator->beginBatch();
-				$scanner->scan($relativePath, $recursive, \OC\Files\Cache\Scanner::REUSE_ETAG | \OC\Files\Cache\Scanner::REUSE_SIZE);
-				$cache = $storage->getCache();
-				if ($cache instanceof Cache) {
-					// only re-calculate for the root folder we scanned, anything below that is taken care of by the scanner
-					$cache->correctFolderSize($relativePath);
-				}
-				$propagator->commitBatch();
-			} catch (StorageNotAvailableException $e) {
-				$this->logger->error('Storage ' . $storage->getId() . ' not available');
-				$this->logger->logException($e);
-				$this->emit('\OC\Files\Utils\Scanner', 'StorageNotAvailable', [$e]);
-			}
-			if ($this->useTransaction) {
-				$this->db->commit();
-			}
-		}
-	}
+            if ($this->useTransaction) {
+                $this->db->beginTransaction();
+            }
+            try {
+                $propagator = $storage->getPropagator();
+                $propagator->beginBatch();
+                $scanner->scan($relativePath, $recursive, \OC\Files\Cache\Scanner::REUSE_ETAG | \OC\Files\Cache\Scanner::REUSE_SIZE);
+                $cache = $storage->getCache();
+                if ($cache instanceof Cache) {
+                    // only re-calculate for the root folder we scanned, anything below that is taken care of by the scanner
+                    $cache->correctFolderSize($relativePath);
+                }
+                $propagator->commitBatch();
+            } catch (StorageNotAvailableException $e) {
+                $this->logger->error('Storage ' . $storage->getId() . ' not available');
+                $this->logger->logException($e);
+                $this->emit('\OC\Files\Utils\Scanner', 'StorageNotAvailable', [$e]);
+            }
+            if ($this->useTransaction) {
+                $this->db->commit();
+            }
+        }
+    }
 
-	private function triggerPropagator(IStorage $storage, $internalPath) {
-		$storage->getPropagator()->propagateChange($internalPath, time());
-	}
+    private function triggerPropagator(IStorage $storage, $internalPath) {
+        $storage->getPropagator()->propagateChange($internalPath, time());
+    }
 
-	private function postProcessEntry(IStorage $storage, $internalPath) {
-		$this->triggerPropagator($storage, $internalPath);
-		if ($this->useTransaction) {
-			$this->entriesToCommit++;
-			if ($this->entriesToCommit >= self::MAX_ENTRIES_TO_COMMIT) {
-				$propagator = $storage->getPropagator();
-				$this->entriesToCommit = 0;
-				$this->db->commit();
-				$propagator->commitBatch();
-				$this->db->beginTransaction();
-				$propagator->beginBatch();
-			}
-		}
-	}
+    private function postProcessEntry(IStorage $storage, $internalPath) {
+        $this->triggerPropagator($storage, $internalPath);
+        if ($this->useTransaction) {
+            $this->entriesToCommit++;
+            if ($this->entriesToCommit >= self::MAX_ENTRIES_TO_COMMIT) {
+                $propagator = $storage->getPropagator();
+                $this->entriesToCommit = 0;
+                $this->db->commit();
+                $propagator->commitBatch();
+                $this->db->beginTransaction();
+                $propagator->beginBatch();
+            }
+        }
+    }
 }
 

apps/files/lib/Command/Scan.php

Indentation +286 added lines, -286 removed lines

@@ -44,315 +44,315 @@
 
 class Scan extends Base {
 
-	/** @var IUserManager $userManager */
-	private $userManager;
-	/** @var float */
-	protected $execTime = 0;
-	/** @var int */
-	protected $foldersCounter = 0;
-	/** @var int */
-	protected $filesCounter = 0;
+    /** @var IUserManager $userManager */
+    private $userManager;
+    /** @var float */
+    protected $execTime = 0;
+    /** @var int */
+    protected $foldersCounter = 0;
+    /** @var int */
+    protected $filesCounter = 0;
 
-	public function __construct(IUserManager $userManager) {
-		$this->userManager = $userManager;
-		parent::__construct();
-	}
+    public function __construct(IUserManager $userManager) {
+        $this->userManager = $userManager;
+        parent::__construct();
+    }
 
-	protected function configure() {
-		parent::configure();
+    protected function configure() {
+        parent::configure();
 
-		$this
-			->setName('files:scan')
-			->setDescription('rescan filesystem')
-			->addArgument(
-				'user_id',
-				InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
-				'will rescan all files of the given user(s)'
-			)
-			->addOption(
-				'path',
-				'p',
-				InputArgument::OPTIONAL,
-				'limit rescan to this path, eg. --path="/alice/files/Music", the user_id is determined by the path and the user_id parameter and --all are ignored'
-			)
-			->addOption(
-				'quiet',
-				'q',
-				InputOption::VALUE_NONE,
-				'suppress any output'
-			)
-			->addOption(
-				'verbose',
-				'-v|vv|vvv',
-				InputOption::VALUE_NONE,
-				'verbose the output'
-			)
-			->addOption(
-				'all',
-				null,
-				InputOption::VALUE_NONE,
-				'will rescan all files of all known users'
-			)->addOption(
-				'unscanned',
-				null,
-				InputOption::VALUE_NONE,
-				'only scan files which are marked as not fully scanned'
-			)->addOption(
-				'shallow',
-				null,
-				InputOption::VALUE_NONE,
-				'do not scan folders recursively'
-			);
-	}
+        $this
+            ->setName('files:scan')
+            ->setDescription('rescan filesystem')
+            ->addArgument(
+                'user_id',
+                InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
+                'will rescan all files of the given user(s)'
+            )
+            ->addOption(
+                'path',
+                'p',
+                InputArgument::OPTIONAL,
+                'limit rescan to this path, eg. --path="/alice/files/Music", the user_id is determined by the path and the user_id parameter and --all are ignored'
+            )
+            ->addOption(
+                'quiet',
+                'q',
+                InputOption::VALUE_NONE,
+                'suppress any output'
+            )
+            ->addOption(
+                'verbose',
+                '-v|vv|vvv',
+                InputOption::VALUE_NONE,
+                'verbose the output'
+            )
+            ->addOption(
+                'all',
+                null,
+                InputOption::VALUE_NONE,
+                'will rescan all files of all known users'
+            )->addOption(
+                'unscanned',
+                null,
+                InputOption::VALUE_NONE,
+                'only scan files which are marked as not fully scanned'
+            )->addOption(
+                'shallow',
+                null,
+                InputOption::VALUE_NONE,
+                'do not scan folders recursively'
+            );
+    }
 
-	public function checkScanWarning($fullPath, OutputInterface $output) {
-		$normalizedPath = basename(\OC\Files\Filesystem::normalizePath($fullPath));
-		$path = basename($fullPath);
+    public function checkScanWarning($fullPath, OutputInterface $output) {
+        $normalizedPath = basename(\OC\Files\Filesystem::normalizePath($fullPath));
+        $path = basename($fullPath);
 
-		if ($normalizedPath !== $path) {
-			$output->writeln("\t<error>Entry \"" . $fullPath . '" will not be accessible due to incompatible encoding</error>');
-		}
-	}
+        if ($normalizedPath !== $path) {
+            $output->writeln("\t<error>Entry \"" . $fullPath . '" will not be accessible due to incompatible encoding</error>');
+        }
+    }
 
-	protected function scanFiles($user, $path, $verbose, OutputInterface $output, $backgroundScan = false, $recursive = true) {
-		$connection = $this->reconnectToDatabase($output);
-		$scanner = new \OC\Files\Utils\Scanner($user, $connection, \OC::$server->getLogger());
-		# check on each file/folder if there was a user interrupt (ctrl-c) and throw an exception
-		# printout and count
-		if ($verbose) {
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
-				$output->writeln("\tFile   <info>$path</info>");
-				$this->filesCounter += 1;
-				if ($this->hasBeenInterrupted()) {
-					throw new InterruptedException();
-				}
-			});
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
-				$output->writeln("\tFolder <info>$path</info>");
-				$this->foldersCounter += 1;
-				if ($this->hasBeenInterrupted()) {
-					throw new InterruptedException();
-				}
-			});
-			$scanner->listen('\OC\Files\Utils\Scanner', 'StorageNotAvailable', function (StorageNotAvailableException $e) use ($output) {
-				$output->writeln("Error while scanning, storage not available (" . $e->getMessage() . ")");
-			});
-			# count only
-		} else {
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function () use ($output) {
-				$this->filesCounter += 1;
-				if ($this->hasBeenInterrupted()) {
-					throw new InterruptedException();
-				}
-			});
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function () use ($output) {
-				$this->foldersCounter += 1;
-				if ($this->hasBeenInterrupted()) {
-					throw new InterruptedException();
-				}
-			});
-		}
-		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
-			$this->checkScanWarning($path, $output);
-		});
-		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
-			$this->checkScanWarning($path, $output);
-		});
+    protected function scanFiles($user, $path, $verbose, OutputInterface $output, $backgroundScan = false, $recursive = true) {
+        $connection = $this->reconnectToDatabase($output);
+        $scanner = new \OC\Files\Utils\Scanner($user, $connection, \OC::$server->getLogger());
+        # check on each file/folder if there was a user interrupt (ctrl-c) and throw an exception
+        # printout and count
+        if ($verbose) {
+            $scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
+                $output->writeln("\tFile   <info>$path</info>");
+                $this->filesCounter += 1;
+                if ($this->hasBeenInterrupted()) {
+                    throw new InterruptedException();
+                }
+            });
+            $scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
+                $output->writeln("\tFolder <info>$path</info>");
+                $this->foldersCounter += 1;
+                if ($this->hasBeenInterrupted()) {
+                    throw new InterruptedException();
+                }
+            });
+            $scanner->listen('\OC\Files\Utils\Scanner', 'StorageNotAvailable', function (StorageNotAvailableException $e) use ($output) {
+                $output->writeln("Error while scanning, storage not available (" . $e->getMessage() . ")");
+            });
+            # count only
+        } else {
+            $scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function () use ($output) {
+                $this->filesCounter += 1;
+                if ($this->hasBeenInterrupted()) {
+                    throw new InterruptedException();
+                }
+            });
+            $scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function () use ($output) {
+                $this->foldersCounter += 1;
+                if ($this->hasBeenInterrupted()) {
+                    throw new InterruptedException();
+                }
+            });
+        }
+        $scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
+            $this->checkScanWarning($path, $output);
+        });
+        $scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
+            $this->checkScanWarning($path, $output);
+        });
 
-		try {
-			if ($backgroundScan) {
-				$scanner->backgroundScan($path);
-			} else {
-				$scanner->scan($path, $recursive);
-			}
-		} catch (ForbiddenException $e) {
-			$output->writeln("<error>Home storage for user $user not writable</error>");
-			$output->writeln("Make sure you're running the scan command only as the user the web server runs as");
-		} catch (InterruptedException $e) {
-			# exit the function if ctrl-c has been pressed
-			$output->writeln('Interrupted by user');
-		} catch (NotFoundException $e) {
-			$output->writeln('<error>Path not found: ' . $e->getMessage() . '</error>');
-		} catch (\Exception $e) {
-			$output->writeln('<error>Exception during scan: ' . $e->getMessage() . '</error>');
-			$output->writeln('<error>' . $e->getTraceAsString() . '</error>');
-		}
-	}
+        try {
+            if ($backgroundScan) {
+                $scanner->backgroundScan($path);
+            } else {
+                $scanner->scan($path, $recursive);
+            }
+        } catch (ForbiddenException $e) {
+            $output->writeln("<error>Home storage for user $user not writable</error>");
+            $output->writeln("Make sure you're running the scan command only as the user the web server runs as");
+        } catch (InterruptedException $e) {
+            # exit the function if ctrl-c has been pressed
+            $output->writeln('Interrupted by user');
+        } catch (NotFoundException $e) {
+            $output->writeln('<error>Path not found: ' . $e->getMessage() . '</error>');
+        } catch (\Exception $e) {
+            $output->writeln('<error>Exception during scan: ' . $e->getMessage() . '</error>');
+            $output->writeln('<error>' . $e->getTraceAsString() . '</error>');
+        }
+    }
 
 
-	protected function execute(InputInterface $input, OutputInterface $output) {
-		$inputPath = $input->getOption('path');
-		if ($inputPath) {
-			$inputPath = '/' . trim($inputPath, '/');
-			list (, $user,) = explode('/', $inputPath, 3);
-			$users = array($user);
-		} else if ($input->getOption('all')) {
-			$users = $this->userManager->search('');
-		} else {
-			$users = $input->getArgument('user_id');
-		}
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $inputPath = $input->getOption('path');
+        if ($inputPath) {
+            $inputPath = '/' . trim($inputPath, '/');
+            list (, $user,) = explode('/', $inputPath, 3);
+            $users = array($user);
+        } else if ($input->getOption('all')) {
+            $users = $this->userManager->search('');
+        } else {
+            $users = $input->getArgument('user_id');
+        }
 
-		# no messaging level option means: no full printout but statistics
-		# $quiet   means no print at all
-		# $verbose means full printout including statistics
-		# -q	-v	full	stat
-		#  0	 0	no	yes
-		#  0	 1	yes	yes
-		#  1	--	no	no  (quiet overrules verbose)
-		$verbose = $input->getOption('verbose');
-		$quiet = $input->getOption('quiet');
-		# restrict the verbosity level to VERBOSITY_VERBOSE
-		if ($output->getVerbosity() > OutputInterface::VERBOSITY_VERBOSE) {
-			$output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
-		}
-		if ($quiet) {
-			$verbose = false;
-		}
+        # no messaging level option means: no full printout but statistics
+        # $quiet   means no print at all
+        # $verbose means full printout including statistics
+        # -q	-v	full	stat
+        #  0	 0	no	yes
+        #  0	 1	yes	yes
+        #  1	--	no	no  (quiet overrules verbose)
+        $verbose = $input->getOption('verbose');
+        $quiet = $input->getOption('quiet');
+        # restrict the verbosity level to VERBOSITY_VERBOSE
+        if ($output->getVerbosity() > OutputInterface::VERBOSITY_VERBOSE) {
+            $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
+        }
+        if ($quiet) {
+            $verbose = false;
+        }
 
-		# check quantity of users to be process and show it on the command line
-		$users_total = count($users);
-		if ($users_total === 0) {
-			$output->writeln("<error>Please specify the user id to scan, \"--all\" to scan for all users or \"--path=...\"</error>");
-			return;
-		} else {
-			if ($users_total > 1) {
-				$output->writeln("\nScanning files for $users_total users");
-			}
-		}
+        # check quantity of users to be process and show it on the command line
+        $users_total = count($users);
+        if ($users_total === 0) {
+            $output->writeln("<error>Please specify the user id to scan, \"--all\" to scan for all users or \"--path=...\"</error>");
+            return;
+        } else {
+            if ($users_total > 1) {
+                $output->writeln("\nScanning files for $users_total users");
+            }
+        }
 
-		$this->initTools();
+        $this->initTools();
 
-		$user_count = 0;
-		foreach ($users as $user) {
-			if (is_object($user)) {
-				$user = $user->getUID();
-			}
-			$path = $inputPath ? $inputPath : '/' . $user;
-			$user_count += 1;
-			if ($this->userManager->userExists($user)) {
-				# add an extra line when verbose is set to optical separate users
-				if ($verbose) {
-					$output->writeln("");
-				}
-				$output->writeln("Starting scan for user $user_count out of $users_total ($user)");
-				# full: printout data if $verbose was set
-				$this->scanFiles($user, $path, $verbose, $output, $input->getOption('unscanned'), ! $input->getOption('shallow'));
-			} else {
-				$output->writeln("<error>Unknown user $user_count $user</error>");
-			}
-			# check on each user if there was a user interrupt (ctrl-c) and exit foreach
-			if ($this->hasBeenInterrupted()) {
-				break;
-			}
-		}
+        $user_count = 0;
+        foreach ($users as $user) {
+            if (is_object($user)) {
+                $user = $user->getUID();
+            }
+            $path = $inputPath ? $inputPath : '/' . $user;
+            $user_count += 1;
+            if ($this->userManager->userExists($user)) {
+                # add an extra line when verbose is set to optical separate users
+                if ($verbose) {
+                    $output->writeln("");
+                }
+                $output->writeln("Starting scan for user $user_count out of $users_total ($user)");
+                # full: printout data if $verbose was set
+                $this->scanFiles($user, $path, $verbose, $output, $input->getOption('unscanned'), ! $input->getOption('shallow'));
+            } else {
+                $output->writeln("<error>Unknown user $user_count $user</error>");
+            }
+            # check on each user if there was a user interrupt (ctrl-c) and exit foreach
+            if ($this->hasBeenInterrupted()) {
+                break;
+            }
+        }
 
-		# stat: printout statistics if $quiet was not set
-		if (!$quiet) {
-			$this->presentStats($output);
-		}
-	}
+        # stat: printout statistics if $quiet was not set
+        if (!$quiet) {
+            $this->presentStats($output);
+        }
+    }
 
-	/**
-	 * Initialises some useful tools for the Command
-	 */
-	protected function initTools() {
-		// Start the timer
-		$this->execTime = -microtime(true);
-		// Convert PHP errors to exceptions
-		set_error_handler([$this, 'exceptionErrorHandler'], E_ALL);
-	}
+    /**
+     * Initialises some useful tools for the Command
+     */
+    protected function initTools() {
+        // Start the timer
+        $this->execTime = -microtime(true);
+        // Convert PHP errors to exceptions
+        set_error_handler([$this, 'exceptionErrorHandler'], E_ALL);
+    }
 
-	/**
-	 * Processes PHP errors as exceptions in order to be able to keep track of problems
-	 *
-	 * @see https://secure.php.net/manual/en/function.set-error-handler.php
-	 *
-	 * @param int $severity the level of the error raised
-	 * @param string $message
-	 * @param string $file the filename that the error was raised in
-	 * @param int $line the line number the error was raised
-	 *
-	 * @throws \ErrorException
-	 */
-	public function exceptionErrorHandler($severity, $message, $file, $line) {
-		if (!(error_reporting() & $severity)) {
-			// This error code is not included in error_reporting
-			return;
-		}
-		throw new \ErrorException($message, 0, $severity, $file, $line);
-	}
+    /**
+     * Processes PHP errors as exceptions in order to be able to keep track of problems
+     *
+     * @see https://secure.php.net/manual/en/function.set-error-handler.php
+     *
+     * @param int $severity the level of the error raised
+     * @param string $message
+     * @param string $file the filename that the error was raised in
+     * @param int $line the line number the error was raised
+     *
+     * @throws \ErrorException
+     */
+    public function exceptionErrorHandler($severity, $message, $file, $line) {
+        if (!(error_reporting() & $severity)) {
+            // This error code is not included in error_reporting
+            return;
+        }
+        throw new \ErrorException($message, 0, $severity, $file, $line);
+    }
 
-	/**
-	 * @param OutputInterface $output
-	 */
-	protected function presentStats(OutputInterface $output) {
-		// Stop the timer
-		$this->execTime += microtime(true);
-		$output->writeln("");
+    /**
+     * @param OutputInterface $output
+     */
+    protected function presentStats(OutputInterface $output) {
+        // Stop the timer
+        $this->execTime += microtime(true);
+        $output->writeln("");
 
-		$headers = [
-			'Folders', 'Files', 'Elapsed time'
-		];
+        $headers = [
+            'Folders', 'Files', 'Elapsed time'
+        ];
 
-		$this->showSummary($headers, null, $output);
-	}
+        $this->showSummary($headers, null, $output);
+    }
 
-	/**
-	 * Shows a summary of operations
-	 *
-	 * @param string[] $headers
-	 * @param string[] $rows
-	 * @param OutputInterface $output
-	 */
-	protected function showSummary($headers, $rows, OutputInterface $output) {
-		$niceDate = $this->formatExecTime();
-		if (!$rows) {
-			$rows = [
-				$this->foldersCounter,
-				$this->filesCounter,
-				$niceDate,
-			];
-		}
-		$table = new Table($output);
-		$table
-			->setHeaders($headers)
-			->setRows([$rows]);
-		$table->render();
-	}
+    /**
+     * Shows a summary of operations
+     *
+     * @param string[] $headers
+     * @param string[] $rows
+     * @param OutputInterface $output
+     */
+    protected function showSummary($headers, $rows, OutputInterface $output) {
+        $niceDate = $this->formatExecTime();
+        if (!$rows) {
+            $rows = [
+                $this->foldersCounter,
+                $this->filesCounter,
+                $niceDate,
+            ];
+        }
+        $table = new Table($output);
+        $table
+            ->setHeaders($headers)
+            ->setRows([$rows]);
+        $table->render();
+    }
 
 
-	/**
-	 * Formats microtime into a human readable format
-	 *
-	 * @return string
-	 */
-	protected function formatExecTime() {
-		list($secs, ) = explode('.', sprintf("%.1f", $this->execTime));
+    /**
+     * Formats microtime into a human readable format
+     *
+     * @return string
+     */
+    protected function formatExecTime() {
+        list($secs, ) = explode('.', sprintf("%.1f", $this->execTime));
 
-		# if you want to have microseconds add this:   . '.' . $tens;
-		return date('H:i:s', $secs);
-	}
+        # if you want to have microseconds add this:   . '.' . $tens;
+        return date('H:i:s', $secs);
+    }
 
-	/**
-	 * @return \OCP\IDBConnection
-	 */
-	protected function reconnectToDatabase(OutputInterface $output) {
-		/** @var Connection | IDBConnection $connection */
-		$connection = \OC::$server->getDatabaseConnection();
-		try {
-			$connection->close();
-		} catch (\Exception $ex) {
-			$output->writeln("<info>Error while disconnecting from database: {$ex->getMessage()}</info>");
-		}
-		while (!$connection->isConnected()) {
-			try {
-				$connection->connect();
-			} catch (\Exception $ex) {
-				$output->writeln("<info>Error while re-connecting to database: {$ex->getMessage()}</info>");
-				sleep(60);
-			}
-		}
-		return $connection;
-	}
+    /**
+     * @return \OCP\IDBConnection
+     */
+    protected function reconnectToDatabase(OutputInterface $output) {
+        /** @var Connection | IDBConnection $connection */
+        $connection = \OC::$server->getDatabaseConnection();
+        try {
+            $connection->close();
+        } catch (\Exception $ex) {
+            $output->writeln("<info>Error while disconnecting from database: {$ex->getMessage()}</info>");
+        }
+        while (!$connection->isConnected()) {
+            try {
+                $connection->connect();
+            } catch (\Exception $ex) {
+                $output->writeln("<info>Error while re-connecting to database: {$ex->getMessage()}</info>");
+                sleep(60);
+            }
+        }
+        return $connection;
+    }
 
 }

Spacing +16 added lines, -16 removed lines

@@ -110,7 +110,7 @@ 
 		$path = basename($fullPath);
 
 		if ($normalizedPath !== $path) {
-			$output->writeln("\t<error>Entry \"" . $fullPath . '" will not be accessible due to incompatible encoding</error>');
+			$output->writeln("\t<error>Entry \"".$fullPath.'" will not be accessible due to incompatible encoding</error>');
 		}
 	}
 
@@ -120,42 +120,42 @@ 
 		# check on each file/folder if there was a user interrupt (ctrl-c) and throw an exception
 		# printout and count
 		if ($verbose) {
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
+			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function($path) use ($output) {
 				$output->writeln("\tFile   <info>$path</info>");
 				$this->filesCounter += 1;
 				if ($this->hasBeenInterrupted()) {
 					throw new InterruptedException();
 				}
 			});
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
+			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function($path) use ($output) {
 				$output->writeln("\tFolder <info>$path</info>");
 				$this->foldersCounter += 1;
 				if ($this->hasBeenInterrupted()) {
 					throw new InterruptedException();
 				}
 			});
-			$scanner->listen('\OC\Files\Utils\Scanner', 'StorageNotAvailable', function (StorageNotAvailableException $e) use ($output) {
-				$output->writeln("Error while scanning, storage not available (" . $e->getMessage() . ")");
+			$scanner->listen('\OC\Files\Utils\Scanner', 'StorageNotAvailable', function(StorageNotAvailableException $e) use ($output) {
+				$output->writeln("Error while scanning, storage not available (".$e->getMessage().")");
 			});
 			# count only
 		} else {
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function () use ($output) {
+			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function() use ($output) {
 				$this->filesCounter += 1;
 				if ($this->hasBeenInterrupted()) {
 					throw new InterruptedException();
 				}
 			});
-			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function () use ($output) {
+			$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function() use ($output) {
 				$this->foldersCounter += 1;
 				if ($this->hasBeenInterrupted()) {
 					throw new InterruptedException();
 				}
 			});
 		}
-		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function ($path) use ($output) {
+		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function($path) use ($output) {
 			$this->checkScanWarning($path, $output);
 		});
-		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function ($path) use ($output) {
+		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function($path) use ($output) {
 			$this->checkScanWarning($path, $output);
 		});
 
@@ -172,10 +172,10 @@ 
 			# exit the function if ctrl-c has been pressed
 			$output->writeln('Interrupted by user');
 		} catch (NotFoundException $e) {
-			$output->writeln('<error>Path not found: ' . $e->getMessage() . '</error>');
+			$output->writeln('<error>Path not found: '.$e->getMessage().'</error>');
 		} catch (\Exception $e) {
-			$output->writeln('<error>Exception during scan: ' . $e->getMessage() . '</error>');
-			$output->writeln('<error>' . $e->getTraceAsString() . '</error>');
+			$output->writeln('<error>Exception during scan: '.$e->getMessage().'</error>');
+			$output->writeln('<error>'.$e->getTraceAsString().'</error>');
 		}
 	}
 
@@ -183,7 +183,7 @@ 
 	protected function execute(InputInterface $input, OutputInterface $output) {
 		$inputPath = $input->getOption('path');
 		if ($inputPath) {
-			$inputPath = '/' . trim($inputPath, '/');
+			$inputPath = '/'.trim($inputPath, '/');
 			list (, $user,) = explode('/', $inputPath, 3);
 			$users = array($user);
 		} else if ($input->getOption('all')) {
@@ -227,7 +227,7 @@ 
 			if (is_object($user)) {
 				$user = $user->getUID();
 			}
-			$path = $inputPath ? $inputPath : '/' . $user;
+			$path = $inputPath ? $inputPath : '/'.$user;
 			$user_count += 1;
 			if ($this->userManager->userExists($user)) {
 				# add an extra line when verbose is set to optical separate users
@@ -236,7 +236,7 @@ 
 				}
 				$output->writeln("Starting scan for user $user_count out of $users_total ($user)");
 				# full: printout data if $verbose was set
-				$this->scanFiles($user, $path, $verbose, $output, $input->getOption('unscanned'), ! $input->getOption('shallow'));
+				$this->scanFiles($user, $path, $verbose, $output, $input->getOption('unscanned'), !$input->getOption('shallow'));
 			} else {
 				$output->writeln("<error>Unknown user $user_count $user</error>");
 			}
@@ -327,7 +327,7 @@ 
 	 * @return string
 	 */
 	protected function formatExecTime() {
-		list($secs, ) = explode('.', sprintf("%.1f", $this->execTime));
+		list($secs,) = explode('.', sprintf("%.1f", $this->execTime));
 
 		# if you want to have microseconds add this:   . '.' . $tens;
 		return date('H:i:s', $secs);