nextcloud / server

lib/private/DB/QueryBuilder/CompositeExpression.php

Indentation +56 added lines, -56 removed lines

@@ -25,68 +25,68 @@
 use OCP\DB\QueryBuilder\ICompositeExpression;
 
 class CompositeExpression implements ICompositeExpression, \Countable {
-	/** @var \Doctrine\DBAL\Query\Expression\CompositeExpression */
-	protected $compositeExpression;
+    /** @var \Doctrine\DBAL\Query\Expression\CompositeExpression */
+    protected $compositeExpression;
 
-	/**
-	 * Constructor.
-	 *
-	 * @param \Doctrine\DBAL\Query\Expression\CompositeExpression $compositeExpression
-	 */
-	public function __construct(\Doctrine\DBAL\Query\Expression\CompositeExpression $compositeExpression) {
-		$this->compositeExpression = $compositeExpression;
-	}
+    /**
+     * Constructor.
+     *
+     * @param \Doctrine\DBAL\Query\Expression\CompositeExpression $compositeExpression
+     */
+    public function __construct(\Doctrine\DBAL\Query\Expression\CompositeExpression $compositeExpression) {
+        $this->compositeExpression = $compositeExpression;
+    }
 
-	/**
-	 * Adds multiple parts to composite expression.
-	 *
-	 * @param array $parts
-	 *
-	 * @return \OCP\DB\QueryBuilder\ICompositeExpression
-	 */
-	public function addMultiple(array $parts = []) {
-		$this->compositeExpression->addMultiple($parts);
+    /**
+     * Adds multiple parts to composite expression.
+     *
+     * @param array $parts
+     *
+     * @return \OCP\DB\QueryBuilder\ICompositeExpression
+     */
+    public function addMultiple(array $parts = []) {
+        $this->compositeExpression->addMultiple($parts);
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * Adds an expression to composite expression.
-	 *
-	 * @param mixed $part
-	 *
-	 * @return \OCP\DB\QueryBuilder\ICompositeExpression
-	 */
-	public function add($part) {
-		$this->compositeExpression->add($part);
+    /**
+     * Adds an expression to composite expression.
+     *
+     * @param mixed $part
+     *
+     * @return \OCP\DB\QueryBuilder\ICompositeExpression
+     */
+    public function add($part) {
+        $this->compositeExpression->add($part);
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * Retrieves the amount of expressions on composite expression.
-	 *
-	 * @return integer
-	 */
-	public function count() {
-		return $this->compositeExpression->count();
-	}
+    /**
+     * Retrieves the amount of expressions on composite expression.
+     *
+     * @return integer
+     */
+    public function count() {
+        return $this->compositeExpression->count();
+    }
 
-	/**
-	 * Returns the type of this composite expression (AND/OR).
-	 *
-	 * @return string
-	 */
-	public function getType() {
-		return $this->compositeExpression->getType();
-	}
+    /**
+     * Returns the type of this composite expression (AND/OR).
+     *
+     * @return string
+     */
+    public function getType() {
+        return $this->compositeExpression->getType();
+    }
 
-	/**
-	 * Retrieves the string representation of this composite expression.
-	 *
-	 * @return string
-	 */
-	public function __toString() {
-		return (string) $this->compositeExpression;
-	}
+    /**
+     * Retrieves the string representation of this composite expression.
+     *
+     * @return string
+     */
+    public function __toString() {
+        return (string) $this->compositeExpression;
+    }
 }

lib/private/DB/QueryBuilder/Literal.php

Indentation +11 added lines, -11 removed lines

@@ -25,17 +25,17 @@
 use OCP\DB\QueryBuilder\ILiteral;
 
 class Literal implements ILiteral {
-	/** @var mixed */
-	protected $literal;
+    /** @var mixed */
+    protected $literal;
 
-	public function __construct($literal) {
-		$this->literal = $literal;
-	}
+    public function __construct($literal) {
+        $this->literal = $literal;
+    }
 
-	/**
-	 * @return string
-	 */
-	public function __toString() {
-		return (string) $this->literal;
-	}
+    /**
+     * @return string
+     */
+    public function __toString() {
+        return (string) $this->literal;
+    }
 }

lib/private/DB/MySQLMigrator.php

Indentation +38 added lines, -38 removed lines

@@ -29,47 +29,47 @@
 use Doctrine\DBAL\Schema\Table;
 
 class MySQLMigrator extends Migrator {
-	/**
-	 * @param Schema $targetSchema
-	 * @param \Doctrine\DBAL\Connection $connection
-	 * @return \Doctrine\DBAL\Schema\SchemaDiff
-	 */
-	protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
-		$platform = $connection->getDatabasePlatform();
-		$platform->registerDoctrineTypeMapping('enum', 'string');
-		$platform->registerDoctrineTypeMapping('bit', 'string');
+    /**
+     * @param Schema $targetSchema
+     * @param \Doctrine\DBAL\Connection $connection
+     * @return \Doctrine\DBAL\Schema\SchemaDiff
+     */
+    protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
+        $platform = $connection->getDatabasePlatform();
+        $platform->registerDoctrineTypeMapping('enum', 'string');
+        $platform->registerDoctrineTypeMapping('bit', 'string');
 
-		$schemaDiff = parent::getDiff($targetSchema, $connection);
+        $schemaDiff = parent::getDiff($targetSchema, $connection);
 
-		// identifiers need to be quoted for mysql
-		foreach ($schemaDiff->changedTables as $tableDiff) {
-			$tableDiff->name = $this->connection->quoteIdentifier($tableDiff->name);
-			foreach ($tableDiff->changedColumns as $column) {
-				$column->oldColumnName = $this->connection->quoteIdentifier($column->oldColumnName);
-			}
-		}
+        // identifiers need to be quoted for mysql
+        foreach ($schemaDiff->changedTables as $tableDiff) {
+            $tableDiff->name = $this->connection->quoteIdentifier($tableDiff->name);
+            foreach ($tableDiff->changedColumns as $column) {
+                $column->oldColumnName = $this->connection->quoteIdentifier($column->oldColumnName);
+            }
+        }
 
-		return $schemaDiff;
-	}
+        return $schemaDiff;
+    }
 	
-	/**
-	 * Speed up migration test by disabling autocommit and unique indexes check
-	 *
-	 * @param \Doctrine\DBAL\Schema\Table $table
-	 * @throws \OC\DB\MigrationException
-	 */
-	protected function checkTableMigrate(Table $table) {
-		$this->connection->exec('SET autocommit=0');
-		$this->connection->exec('SET unique_checks=0');
+    /**
+     * Speed up migration test by disabling autocommit and unique indexes check
+     *
+     * @param \Doctrine\DBAL\Schema\Table $table
+     * @throws \OC\DB\MigrationException
+     */
+    protected function checkTableMigrate(Table $table) {
+        $this->connection->exec('SET autocommit=0');
+        $this->connection->exec('SET unique_checks=0');
 
-		try {
-			parent::checkTableMigrate($table);
-		} catch (\Exception $e) {
-			$this->connection->exec('SET unique_checks=1');
-			$this->connection->exec('SET autocommit=1');
-			throw new MigrationException($table->getName(), $e->getMessage());
-		}
-		$this->connection->exec('SET unique_checks=1');
-		$this->connection->exec('SET autocommit=1');
-	}
+        try {
+            parent::checkTableMigrate($table);
+        } catch (\Exception $e) {
+            $this->connection->exec('SET unique_checks=1');
+            $this->connection->exec('SET autocommit=1');
+            throw new MigrationException($table->getName(), $e->getMessage());
+        }
+        $this->connection->exec('SET unique_checks=1');
+        $this->connection->exec('SET autocommit=1');
+    }
 }

lib/private/DB/PgSqlTools.php

Indentation +32 added lines, -32 removed lines

@@ -32,41 +32,41 @@
  */
 class PgSqlTools {
 
-	/** @var \OCP\IConfig */
-	private $config;
+    /** @var \OCP\IConfig */
+    private $config;
 
-	/**
-	 * @param \OCP\IConfig $config
-	 */
-	public function __construct(IConfig $config) {
-		$this->config = $config;
-	}
+    /**
+     * @param \OCP\IConfig $config
+     */
+    public function __construct(IConfig $config) {
+        $this->config = $config;
+    }
 
-	/**
-	 * @brief Resynchronizes all sequences of a database after using INSERTs
-	 *        without leaving out the auto-incremented column.
-	 * @param \OC\DB\Connection $conn
-	 * @return null
-	 */
-	public function resynchronizeDatabaseSequences(Connection $conn) {
-		$filterExpression = '/^' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
-		$databaseName = $conn->getDatabase();
-		$conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
+    /**
+     * @brief Resynchronizes all sequences of a database after using INSERTs
+     *        without leaving out the auto-incremented column.
+     * @param \OC\DB\Connection $conn
+     * @return null
+     */
+    public function resynchronizeDatabaseSequences(Connection $conn) {
+        $filterExpression = '/^' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
+        $databaseName = $conn->getDatabase();
+        $conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
 
-		foreach ($conn->getSchemaManager()->listSequences() as $sequence) {
-			$sequenceName = $sequence->getName();
-			$sqlInfo = 'SELECT table_schema, table_name, column_name
+        foreach ($conn->getSchemaManager()->listSequences() as $sequence) {
+            $sequenceName = $sequence->getName();
+            $sqlInfo = 'SELECT table_schema, table_name, column_name
 				FROM information_schema.columns
 				WHERE column_default = ? AND table_catalog = ?';
-			$sequenceInfo = $conn->fetchAssoc($sqlInfo, [
-				"nextval('$sequenceName'::regclass)",
-				$databaseName
-			]);
-			$tableName = $sequenceInfo['table_name'];
-			$columnName = $sequenceInfo['column_name'];
-			$sqlMaxId = "SELECT MAX($columnName) FROM $tableName";
-			$sqlSetval = "SELECT setval('$sequenceName', ($sqlMaxId))";
-			$conn->executeQuery($sqlSetval);
-		}
-	}
+            $sequenceInfo = $conn->fetchAssoc($sqlInfo, [
+                "nextval('$sequenceName'::regclass)",
+                $databaseName
+            ]);
+            $tableName = $sequenceInfo['table_name'];
+            $columnName = $sequenceInfo['column_name'];
+            $sqlMaxId = "SELECT MAX($columnName) FROM $tableName";
+            $sqlSetval = "SELECT setval('$sequenceName', ($sqlMaxId))";
+            $conn->executeQuery($sqlSetval);
+        }
+    }
 }

Spacing +1 added lines, -1 removed lines

@@ -49,7 +49,7 @@
 	 * @return null
 	 */
 	public function resynchronizeDatabaseSequences(Connection $conn) {
-		$filterExpression = '/^' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
+		$filterExpression = '/^'.preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')).'/';
 		$databaseName = $conn->getDatabase();
 		$conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
 

lib/private/DB/MDB2SchemaReader.php

Indentation +292 added lines, -292 removed lines

@@ -37,312 +37,312 @@
 
 class MDB2SchemaReader {
 
-	/**
-	 * @var string $DBTABLEPREFIX
-	 */
-	protected $DBTABLEPREFIX;
+    /**
+     * @var string $DBTABLEPREFIX
+     */
+    protected $DBTABLEPREFIX;
 
-	/**
-	 * @var \Doctrine\DBAL\Platforms\AbstractPlatform $platform
-	 */
-	protected $platform;
+    /**
+     * @var \Doctrine\DBAL\Platforms\AbstractPlatform $platform
+     */
+    protected $platform;
 
-	/** @var IConfig */
-	protected $config;
+    /** @var IConfig */
+    protected $config;
 
-	/**
-	 * @param \OCP\IConfig $config
-	 * @param \Doctrine\DBAL\Platforms\AbstractPlatform $platform
-	 */
-	public function __construct(IConfig $config, AbstractPlatform $platform) {
-		$this->platform = $platform;
-		$this->config = $config;
-		$this->DBTABLEPREFIX = $config->getSystemValue('dbtableprefix', 'oc_');
-	}
+    /**
+     * @param \OCP\IConfig $config
+     * @param \Doctrine\DBAL\Platforms\AbstractPlatform $platform
+     */
+    public function __construct(IConfig $config, AbstractPlatform $platform) {
+        $this->platform = $platform;
+        $this->config = $config;
+        $this->DBTABLEPREFIX = $config->getSystemValue('dbtableprefix', 'oc_');
+    }
 
-	/**
-	 * @param string $file
-	 * @param Schema $schema
-	 * @return Schema
-	 * @throws \DomainException
-	 */
-	public function loadSchemaFromFile($file, Schema $schema) {
-		$loadEntities = libxml_disable_entity_loader(false);
-		$xml = simplexml_load_file($file);
-		libxml_disable_entity_loader($loadEntities);
-		foreach ($xml->children() as $child) {
-			/**
-			 * @var \SimpleXMLElement $child
-			 */
-			switch ($child->getName()) {
-				case 'name':
-				case 'create':
-				case 'overwrite':
-				case 'charset':
-					break;
-				case 'table':
-					$this->loadTable($schema, $child);
-					break;
-				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+    /**
+     * @param string $file
+     * @param Schema $schema
+     * @return Schema
+     * @throws \DomainException
+     */
+    public function loadSchemaFromFile($file, Schema $schema) {
+        $loadEntities = libxml_disable_entity_loader(false);
+        $xml = simplexml_load_file($file);
+        libxml_disable_entity_loader($loadEntities);
+        foreach ($xml->children() as $child) {
+            /**
+             * @var \SimpleXMLElement $child
+             */
+            switch ($child->getName()) {
+                case 'name':
+                case 'create':
+                case 'overwrite':
+                case 'charset':
+                    break;
+                case 'table':
+                    $this->loadTable($schema, $child);
+                    break;
+                default:
+                    throw new \DomainException('Unknown element: ' . $child->getName());
 
-			}
-		}
-		return $schema;
-	}
+            }
+        }
+        return $schema;
+    }
 
-	/**
-	 * @param \Doctrine\DBAL\Schema\Schema $schema
-	 * @param \SimpleXMLElement $xml
-	 * @throws \DomainException
-	 */
-	private function loadTable($schema, $xml) {
-		$table = null;
-		foreach ($xml->children() as $child) {
-			/**
-			 * @var \SimpleXMLElement $child
-			 */
-			switch ($child->getName()) {
-				case 'name':
-					$name = (string)$child;
-					$name = str_replace('*dbprefix*', $this->DBTABLEPREFIX, $name);
-					$name = $this->platform->quoteIdentifier($name);
-					$table = $schema->createTable($name);
-					break;
-				case 'create':
-				case 'overwrite':
-				case 'charset':
-					break;
-				case 'declaration':
-					if (is_null($table)) {
-						throw new \DomainException('Table declaration before table name');
-					}
-					$this->loadDeclaration($table, $child);
-					break;
-				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+    /**
+     * @param \Doctrine\DBAL\Schema\Schema $schema
+     * @param \SimpleXMLElement $xml
+     * @throws \DomainException
+     */
+    private function loadTable($schema, $xml) {
+        $table = null;
+        foreach ($xml->children() as $child) {
+            /**
+             * @var \SimpleXMLElement $child
+             */
+            switch ($child->getName()) {
+                case 'name':
+                    $name = (string)$child;
+                    $name = str_replace('*dbprefix*', $this->DBTABLEPREFIX, $name);
+                    $name = $this->platform->quoteIdentifier($name);
+                    $table = $schema->createTable($name);
+                    break;
+                case 'create':
+                case 'overwrite':
+                case 'charset':
+                    break;
+                case 'declaration':
+                    if (is_null($table)) {
+                        throw new \DomainException('Table declaration before table name');
+                    }
+                    $this->loadDeclaration($table, $child);
+                    break;
+                default:
+                    throw new \DomainException('Unknown element: ' . $child->getName());
 
-			}
-		}
-	}
+            }
+        }
+    }
 
-	/**
-	 * @param \Doctrine\DBAL\Schema\Table $table
-	 * @param \SimpleXMLElement $xml
-	 * @throws \DomainException
-	 */
-	private function loadDeclaration($table, $xml) {
-		foreach ($xml->children() as $child) {
-			/**
-			 * @var \SimpleXMLElement $child
-			 */
-			switch ($child->getName()) {
-				case 'field':
-					$this->loadField($table, $child);
-					break;
-				case 'index':
-					$this->loadIndex($table, $child);
-					break;
-				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+    /**
+     * @param \Doctrine\DBAL\Schema\Table $table
+     * @param \SimpleXMLElement $xml
+     * @throws \DomainException
+     */
+    private function loadDeclaration($table, $xml) {
+        foreach ($xml->children() as $child) {
+            /**
+             * @var \SimpleXMLElement $child
+             */
+            switch ($child->getName()) {
+                case 'field':
+                    $this->loadField($table, $child);
+                    break;
+                case 'index':
+                    $this->loadIndex($table, $child);
+                    break;
+                default:
+                    throw new \DomainException('Unknown element: ' . $child->getName());
 
-			}
-		}
-	}
+            }
+        }
+    }
 
-	/**
-	 * @param \Doctrine\DBAL\Schema\Table $table
-	 * @param \SimpleXMLElement $xml
-	 * @throws \DomainException
-	 */
-	private function loadField($table, $xml) {
-		$options = [ 'notnull' => false ];
-		foreach ($xml->children() as $child) {
-			/**
-			 * @var \SimpleXMLElement $child
-			 */
-			switch ($child->getName()) {
-				case 'name':
-					$name = (string)$child;
-					$name = $this->platform->quoteIdentifier($name);
-					break;
-				case 'type':
-					$type = (string)$child;
-					switch ($type) {
-						case 'text':
-							$type = 'string';
-							break;
-						case 'clob':
-							$type = 'text';
-							break;
-						case 'timestamp':
-							$type = 'datetime';
-							break;
-						case 'numeric':
-							$type = 'decimal';
-							break;
-					}
-					break;
-				case 'length':
-					$length = (string)$child;
-					$options['length'] = $length;
-					break;
-				case 'unsigned':
-					$unsigned = $this->asBool($child);
-					$options['unsigned'] = $unsigned;
-					break;
-				case 'notnull':
-					$notnull = $this->asBool($child);
-					$options['notnull'] = $notnull;
-					break;
-				case 'autoincrement':
-					$autoincrement = $this->asBool($child);
-					$options['autoincrement'] = $autoincrement;
-					break;
-				case 'default':
-					$default = (string)$child;
-					$options['default'] = $default;
-					break;
-				case 'comments':
-					$comment = (string)$child;
-					$options['comment'] = $comment;
-					break;
-				case 'primary':
-					$primary = $this->asBool($child);
-					$options['primary'] = $primary;
-					break;
-				case 'precision':
-					$precision = (string)$child;
-					$options['precision'] = $precision;
-					break;
-				case 'scale':
-					$scale = (string)$child;
-					$options['scale'] = $scale;
-					break;
-				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+    /**
+     * @param \Doctrine\DBAL\Schema\Table $table
+     * @param \SimpleXMLElement $xml
+     * @throws \DomainException
+     */
+    private function loadField($table, $xml) {
+        $options = [ 'notnull' => false ];
+        foreach ($xml->children() as $child) {
+            /**
+             * @var \SimpleXMLElement $child
+             */
+            switch ($child->getName()) {
+                case 'name':
+                    $name = (string)$child;
+                    $name = $this->platform->quoteIdentifier($name);
+                    break;
+                case 'type':
+                    $type = (string)$child;
+                    switch ($type) {
+                        case 'text':
+                            $type = 'string';
+                            break;
+                        case 'clob':
+                            $type = 'text';
+                            break;
+                        case 'timestamp':
+                            $type = 'datetime';
+                            break;
+                        case 'numeric':
+                            $type = 'decimal';
+                            break;
+                    }
+                    break;
+                case 'length':
+                    $length = (string)$child;
+                    $options['length'] = $length;
+                    break;
+                case 'unsigned':
+                    $unsigned = $this->asBool($child);
+                    $options['unsigned'] = $unsigned;
+                    break;
+                case 'notnull':
+                    $notnull = $this->asBool($child);
+                    $options['notnull'] = $notnull;
+                    break;
+                case 'autoincrement':
+                    $autoincrement = $this->asBool($child);
+                    $options['autoincrement'] = $autoincrement;
+                    break;
+                case 'default':
+                    $default = (string)$child;
+                    $options['default'] = $default;
+                    break;
+                case 'comments':
+                    $comment = (string)$child;
+                    $options['comment'] = $comment;
+                    break;
+                case 'primary':
+                    $primary = $this->asBool($child);
+                    $options['primary'] = $primary;
+                    break;
+                case 'precision':
+                    $precision = (string)$child;
+                    $options['precision'] = $precision;
+                    break;
+                case 'scale':
+                    $scale = (string)$child;
+                    $options['scale'] = $scale;
+                    break;
+                default:
+                    throw new \DomainException('Unknown element: ' . $child->getName());
 
-			}
-		}
-		if (isset($name) && isset($type)) {
-			if (isset($options['default']) && empty($options['default'])) {
-				if (empty($options['notnull']) || !$options['notnull']) {
-					unset($options['default']);
-					$options['notnull'] = false;
-				} else {
-					$options['default'] = '';
-				}
-				if ($type == 'integer' || $type == 'decimal') {
-					$options['default'] = 0;
-				} elseif ($type == 'boolean') {
-					$options['default'] = false;
-				}
-				if (!empty($options['autoincrement']) && $options['autoincrement']) {
-					unset($options['default']);
-				}
-			}
-			if ($type === 'integer' && isset($options['default'])) {
-				$options['default'] = (int)$options['default'];
-			}
-			if ($type === 'integer' && isset($options['length'])) {
-				$length = $options['length'];
-				if ($length < 4) {
-					$type = 'smallint';
-				} elseif ($length > 4) {
-					$type = 'bigint';
-				}
-			}
-			if ($type === 'boolean' && isset($options['default'])) {
-				$options['default'] = $this->asBool($options['default']);
-			}
-			if (!empty($options['autoincrement'])
-				&& !empty($options['notnull'])
-			) {
-				$options['primary'] = true;
-			}
+            }
+        }
+        if (isset($name) && isset($type)) {
+            if (isset($options['default']) && empty($options['default'])) {
+                if (empty($options['notnull']) || !$options['notnull']) {
+                    unset($options['default']);
+                    $options['notnull'] = false;
+                } else {
+                    $options['default'] = '';
+                }
+                if ($type == 'integer' || $type == 'decimal') {
+                    $options['default'] = 0;
+                } elseif ($type == 'boolean') {
+                    $options['default'] = false;
+                }
+                if (!empty($options['autoincrement']) && $options['autoincrement']) {
+                    unset($options['default']);
+                }
+            }
+            if ($type === 'integer' && isset($options['default'])) {
+                $options['default'] = (int)$options['default'];
+            }
+            if ($type === 'integer' && isset($options['length'])) {
+                $length = $options['length'];
+                if ($length < 4) {
+                    $type = 'smallint';
+                } elseif ($length > 4) {
+                    $type = 'bigint';
+                }
+            }
+            if ($type === 'boolean' && isset($options['default'])) {
+                $options['default'] = $this->asBool($options['default']);
+            }
+            if (!empty($options['autoincrement'])
+                && !empty($options['notnull'])
+            ) {
+                $options['primary'] = true;
+            }
 
-			$table->addColumn($name, $type, $options);
-			if (!empty($options['primary']) && $options['primary']) {
-				$table->setPrimaryKey([$name]);
-			}
-		}
-	}
+            $table->addColumn($name, $type, $options);
+            if (!empty($options['primary']) && $options['primary']) {
+                $table->setPrimaryKey([$name]);
+            }
+        }
+    }
 
-	/**
-	 * @param \Doctrine\DBAL\Schema\Table $table
-	 * @param \SimpleXMLElement $xml
-	 * @throws \DomainException
-	 */
-	private function loadIndex($table, $xml) {
-		$name = null;
-		$fields = [];
-		foreach ($xml->children() as $child) {
-			/**
-			 * @var \SimpleXMLElement $child
-			 */
-			switch ($child->getName()) {
-				case 'name':
-					$name = (string)$child;
-					break;
-				case 'primary':
-					$primary = $this->asBool($child);
-					break;
-				case 'unique':
-					$unique = $this->asBool($child);
-					break;
-				case 'field':
-					foreach ($child->children() as $field) {
-						/**
-						 * @var \SimpleXMLElement $field
-						 */
-						switch ($field->getName()) {
-							case 'name':
-								$field_name = (string)$field;
-								$field_name = $this->platform->quoteIdentifier($field_name);
-								$fields[] = $field_name;
-								break;
-							case 'sorting':
-								break;
-							default:
-								throw new \DomainException('Unknown element: ' . $field->getName());
+    /**
+     * @param \Doctrine\DBAL\Schema\Table $table
+     * @param \SimpleXMLElement $xml
+     * @throws \DomainException
+     */
+    private function loadIndex($table, $xml) {
+        $name = null;
+        $fields = [];
+        foreach ($xml->children() as $child) {
+            /**
+             * @var \SimpleXMLElement $child
+             */
+            switch ($child->getName()) {
+                case 'name':
+                    $name = (string)$child;
+                    break;
+                case 'primary':
+                    $primary = $this->asBool($child);
+                    break;
+                case 'unique':
+                    $unique = $this->asBool($child);
+                    break;
+                case 'field':
+                    foreach ($child->children() as $field) {
+                        /**
+                         * @var \SimpleXMLElement $field
+                         */
+                        switch ($field->getName()) {
+                            case 'name':
+                                $field_name = (string)$field;
+                                $field_name = $this->platform->quoteIdentifier($field_name);
+                                $fields[] = $field_name;
+                                break;
+                            case 'sorting':
+                                break;
+                            default:
+                                throw new \DomainException('Unknown element: ' . $field->getName());
 
-						}
-					}
-					break;
-				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+                        }
+                    }
+                    break;
+                default:
+                    throw new \DomainException('Unknown element: ' . $child->getName());
 
-			}
-		}
-		if (!empty($fields)) {
-			if (isset($primary) && $primary) {
-				if ($table->hasPrimaryKey()) {
-					return;
-				}
-				$table->setPrimaryKey($fields, $name);
-			} else {
-				if (isset($unique) && $unique) {
-					$table->addUniqueIndex($fields, $name);
-				} else {
-					$table->addIndex($fields, $name);
-				}
-			}
-		} else {
-			throw new \DomainException('Empty index definition: ' . $name . ' options:' . print_r($fields, true));
-		}
-	}
+            }
+        }
+        if (!empty($fields)) {
+            if (isset($primary) && $primary) {
+                if ($table->hasPrimaryKey()) {
+                    return;
+                }
+                $table->setPrimaryKey($fields, $name);
+            } else {
+                if (isset($unique) && $unique) {
+                    $table->addUniqueIndex($fields, $name);
+                } else {
+                    $table->addIndex($fields, $name);
+                }
+            }
+        } else {
+            throw new \DomainException('Empty index definition: ' . $name . ' options:' . print_r($fields, true));
+        }
+    }
 
-	/**
-	 * @param \SimpleXMLElement|string $xml
-	 * @return bool
-	 */
-	private function asBool($xml) {
-		$result = (string)$xml;
-		if ($result == 'true') {
-			$result = true;
-		} elseif ($result == 'false') {
-			$result = false;
-		}
-		return (bool)$result;
-	}
+    /**
+     * @param \SimpleXMLElement|string $xml
+     * @return bool
+     */
+    private function asBool($xml) {
+        $result = (string)$xml;
+        if ($result == 'true') {
+            $result = true;
+        } elseif ($result == 'false') {
+            $result = false;
+        }
+        return (bool)$result;
+    }
 }

Spacing +21 added lines, -21 removed lines

@@ -84,7 +84,7 @@ 
 					$this->loadTable($schema, $child);
 					break;
 				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+					throw new \DomainException('Unknown element: '.$child->getName());
 
 			}
 		}
@@ -104,7 +104,7 @@ 
 			 */
 			switch ($child->getName()) {
 				case 'name':
-					$name = (string)$child;
+					$name = (string) $child;
 					$name = str_replace('*dbprefix*', $this->DBTABLEPREFIX, $name);
 					$name = $this->platform->quoteIdentifier($name);
 					$table = $schema->createTable($name);
@@ -120,7 +120,7 @@ 
 					$this->loadDeclaration($table, $child);
 					break;
 				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+					throw new \DomainException('Unknown element: '.$child->getName());
 
 			}
 		}
@@ -144,7 +144,7 @@ 
 					$this->loadIndex($table, $child);
 					break;
 				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+					throw new \DomainException('Unknown element: '.$child->getName());
 
 			}
 		}
@@ -156,18 +156,18 @@ 
 	 * @throws \DomainException
 	 */
 	private function loadField($table, $xml) {
-		$options = [ 'notnull' => false ];
+		$options = ['notnull' => false];
 		foreach ($xml->children() as $child) {
 			/**
 			 * @var \SimpleXMLElement $child
 			 */
 			switch ($child->getName()) {
 				case 'name':
-					$name = (string)$child;
+					$name = (string) $child;
 					$name = $this->platform->quoteIdentifier($name);
 					break;
 				case 'type':
-					$type = (string)$child;
+					$type = (string) $child;
 					switch ($type) {
 						case 'text':
 							$type = 'string';
@@ -184,7 +184,7 @@ 
 					}
 					break;
 				case 'length':
-					$length = (string)$child;
+					$length = (string) $child;
 					$options['length'] = $length;
 					break;
 				case 'unsigned':
@@ -200,11 +200,11 @@ 
 					$options['autoincrement'] = $autoincrement;
 					break;
 				case 'default':
-					$default = (string)$child;
+					$default = (string) $child;
 					$options['default'] = $default;
 					break;
 				case 'comments':
-					$comment = (string)$child;
+					$comment = (string) $child;
 					$options['comment'] = $comment;
 					break;
 				case 'primary':
@@ -212,15 +212,15 @@ 
 					$options['primary'] = $primary;
 					break;
 				case 'precision':
-					$precision = (string)$child;
+					$precision = (string) $child;
 					$options['precision'] = $precision;
 					break;
 				case 'scale':
-					$scale = (string)$child;
+					$scale = (string) $child;
 					$options['scale'] = $scale;
 					break;
 				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+					throw new \DomainException('Unknown element: '.$child->getName());
 
 			}
 		}
@@ -242,7 +242,7 @@ 
 				}
 			}
 			if ($type === 'integer' && isset($options['default'])) {
-				$options['default'] = (int)$options['default'];
+				$options['default'] = (int) $options['default'];
 			}
 			if ($type === 'integer' && isset($options['length'])) {
 				$length = $options['length'];
@@ -282,7 +282,7 @@ 
 			 */
 			switch ($child->getName()) {
 				case 'name':
-					$name = (string)$child;
+					$name = (string) $child;
 					break;
 				case 'primary':
 					$primary = $this->asBool($child);
@@ -297,20 +297,20 @@ 
 						 */
 						switch ($field->getName()) {
 							case 'name':
-								$field_name = (string)$field;
+								$field_name = (string) $field;
 								$field_name = $this->platform->quoteIdentifier($field_name);
 								$fields[] = $field_name;
 								break;
 							case 'sorting':
 								break;
 							default:
-								throw new \DomainException('Unknown element: ' . $field->getName());
+								throw new \DomainException('Unknown element: '.$field->getName());
 
 						}
 					}
 					break;
 				default:
-					throw new \DomainException('Unknown element: ' . $child->getName());
+					throw new \DomainException('Unknown element: '.$child->getName());
 
 			}
 		}
@@ -328,7 +328,7 @@ 
 				}
 			}
 		} else {
-			throw new \DomainException('Empty index definition: ' . $name . ' options:' . print_r($fields, true));
+			throw new \DomainException('Empty index definition: '.$name.' options:'.print_r($fields, true));
 		}
 	}
 
@@ -337,12 +337,12 @@ 
 	 * @return bool
 	 */
 	private function asBool($xml) {
-		$result = (string)$xml;
+		$result = (string) $xml;
 		if ($result == 'true') {
 			$result = true;
 		} elseif ($result == 'false') {
 			$result = false;
 		}
-		return (bool)$result;
+		return (bool) $result;
 	}
 }

lib/private/DB/SchemaWrapper.php

Spacing +5 added lines, -5 removed lines

@@ -62,7 +62,7 @@ 
 	 */
 	public function getTableNamesWithoutPrefix() {
 		$tableNames = $this->schema->getTableNames();
-		return array_map(function ($tableName) {
+		return array_map(function($tableName) {
 			if (strpos($tableName, $this->connection->getPrefix()) === 0) {
 				return substr($tableName, strlen($this->connection->getPrefix()));
 			}
@@ -80,7 +80,7 @@ 
 	 * @throws \Doctrine\DBAL\Schema\SchemaException
 	 */
 	public function getTable($tableName) {
-		return $this->schema->getTable($this->connection->getPrefix() . $tableName);
+		return $this->schema->getTable($this->connection->getPrefix().$tableName);
 	}
 
 	/**
@@ -91,7 +91,7 @@ 
 	 * @return boolean
 	 */
 	public function hasTable($tableName) {
-		return $this->schema->hasTable($this->connection->getPrefix() . $tableName);
+		return $this->schema->hasTable($this->connection->getPrefix().$tableName);
 	}
 
 	/**
@@ -101,7 +101,7 @@ 
 	 * @return \Doctrine\DBAL\Schema\Table
 	 */
 	public function createTable($tableName) {
-		return $this->schema->createTable($this->connection->getPrefix() . $tableName);
+		return $this->schema->createTable($this->connection->getPrefix().$tableName);
 	}
 
 	/**
@@ -125,7 +125,7 @@ 
 	 */
 	public function dropTable($tableName) {
 		$this->tablesToDelete[$tableName] = true;
-		return $this->schema->dropTable($this->connection->getPrefix() . $tableName);
+		return $this->schema->dropTable($this->connection->getPrefix().$tableName);
 	}
 
 	/**

Indentation +103 added lines, -103 removed lines

@@ -29,107 +29,107 @@
 
 class SchemaWrapper implements ISchemaWrapper {
 
-	/** @var IDBConnection|Connection */
-	protected $connection;
-
-	/** @var Schema */
-	protected $schema;
-
-	/** @var array */
-	protected $tablesToDelete = [];
-
-	/**
-	 * @param IDBConnection $connection
-	 */
-	public function __construct(IDBConnection $connection) {
-		$this->connection = $connection;
-		$this->schema = $this->connection->createSchema();
-	}
-
-	public function getWrappedSchema() {
-		return $this->schema;
-	}
-
-	public function performDropTableCalls() {
-		foreach ($this->tablesToDelete as $tableName => $true) {
-			$this->connection->dropTable($tableName);
-			unset($this->tablesToDelete[$tableName]);
-		}
-	}
-
-	/**
-	 * Gets all table names
-	 *
-	 * @return array
-	 */
-	public function getTableNamesWithoutPrefix() {
-		$tableNames = $this->schema->getTableNames();
-		return array_map(function ($tableName) {
-			if (strpos($tableName, $this->connection->getPrefix()) === 0) {
-				return substr($tableName, strlen($this->connection->getPrefix()));
-			}
-
-			return $tableName;
-		}, $tableNames);
-	}
-
-	// Overwritten methods
-
-	/**
-	 * @return array
-	 */
-	public function getTableNames() {
-		return $this->schema->getTableNames();
-	}
-
-	/**
-	 * @param string $tableName
-	 *
-	 * @return \Doctrine\DBAL\Schema\Table
-	 * @throws \Doctrine\DBAL\Schema\SchemaException
-	 */
-	public function getTable($tableName) {
-		return $this->schema->getTable($this->connection->getPrefix() . $tableName);
-	}
-
-	/**
-	 * Does this schema have a table with the given name?
-	 *
-	 * @param string $tableName
-	 *
-	 * @return boolean
-	 */
-	public function hasTable($tableName) {
-		return $this->schema->hasTable($this->connection->getPrefix() . $tableName);
-	}
-
-	/**
-	 * Creates a new table.
-	 *
-	 * @param string $tableName
-	 * @return \Doctrine\DBAL\Schema\Table
-	 */
-	public function createTable($tableName) {
-		return $this->schema->createTable($this->connection->getPrefix() . $tableName);
-	}
-
-	/**
-	 * Drops a table from the schema.
-	 *
-	 * @param string $tableName
-	 * @return \Doctrine\DBAL\Schema\Schema
-	 */
-	public function dropTable($tableName) {
-		$this->tablesToDelete[$tableName] = true;
-		return $this->schema->dropTable($this->connection->getPrefix() . $tableName);
-	}
-
-	/**
-	 * Gets all tables of this schema.
-	 *
-	 * @return \Doctrine\DBAL\Schema\Table[]
-	 */
-	public function getTables() {
-		return $this->schema->getTables();
-	}
+    /** @var IDBConnection|Connection */
+    protected $connection;
+
+    /** @var Schema */
+    protected $schema;
+
+    /** @var array */
+    protected $tablesToDelete = [];
+
+    /**
+     * @param IDBConnection $connection
+     */
+    public function __construct(IDBConnection $connection) {
+        $this->connection = $connection;
+        $this->schema = $this->connection->createSchema();
+    }
+
+    public function getWrappedSchema() {
+        return $this->schema;
+    }
+
+    public function performDropTableCalls() {
+        foreach ($this->tablesToDelete as $tableName => $true) {
+            $this->connection->dropTable($tableName);
+            unset($this->tablesToDelete[$tableName]);
+        }
+    }
+
+    /**
+     * Gets all table names
+     *
+     * @return array
+     */
+    public function getTableNamesWithoutPrefix() {
+        $tableNames = $this->schema->getTableNames();
+        return array_map(function ($tableName) {
+            if (strpos($tableName, $this->connection->getPrefix()) === 0) {
+                return substr($tableName, strlen($this->connection->getPrefix()));
+            }
+
+            return $tableName;
+        }, $tableNames);
+    }
+
+    // Overwritten methods
+
+    /**
+     * @return array
+     */
+    public function getTableNames() {
+        return $this->schema->getTableNames();
+    }
+
+    /**
+     * @param string $tableName
+     *
+     * @return \Doctrine\DBAL\Schema\Table
+     * @throws \Doctrine\DBAL\Schema\SchemaException
+     */
+    public function getTable($tableName) {
+        return $this->schema->getTable($this->connection->getPrefix() . $tableName);
+    }
+
+    /**
+     * Does this schema have a table with the given name?
+     *
+     * @param string $tableName
+     *
+     * @return boolean
+     */
+    public function hasTable($tableName) {
+        return $this->schema->hasTable($this->connection->getPrefix() . $tableName);
+    }
+
+    /**
+     * Creates a new table.
+     *
+     * @param string $tableName
+     * @return \Doctrine\DBAL\Schema\Table
+     */
+    public function createTable($tableName) {
+        return $this->schema->createTable($this->connection->getPrefix() . $tableName);
+    }
+
+    /**
+     * Drops a table from the schema.
+     *
+     * @param string $tableName
+     * @return \Doctrine\DBAL\Schema\Schema
+     */
+    public function dropTable($tableName) {
+        $this->tablesToDelete[$tableName] = true;
+        return $this->schema->dropTable($this->connection->getPrefix() . $tableName);
+    }
+
+    /**
+     * Gets all tables of this schema.
+     *
+     * @return \Doctrine\DBAL\Schema\Table[]
+     */
+    public function getTables() {
+        return $this->schema->getTables();
+    }
 }

lib/private/DB/OracleConnection.php

Indentation +71 added lines, -71 removed lines

@@ -26,80 +26,80 @@
 namespace OC\DB;
 
 class OracleConnection extends Connection {
-	/**
-	 * Quote the keys of the array
-	 */
-	private function quoteKeys(array $data) {
-		$return = [];
-		$c = $this->getDatabasePlatform()->getIdentifierQuoteCharacter();
-		foreach ($data as $key => $value) {
-			if ($key[0] !== $c) {
-				$return[$this->quoteIdentifier($key)] = $value;
-			} else {
-				$return[$key] = $value;
-			}
-		}
-		return $return;
-	}
+    /**
+     * Quote the keys of the array
+     */
+    private function quoteKeys(array $data) {
+        $return = [];
+        $c = $this->getDatabasePlatform()->getIdentifierQuoteCharacter();
+        foreach ($data as $key => $value) {
+            if ($key[0] !== $c) {
+                $return[$this->quoteIdentifier($key)] = $value;
+            } else {
+                $return[$key] = $value;
+            }
+        }
+        return $return;
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function insert($tableName, array $data, array $types = []) {
-		if ($tableName[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
-			$tableName = $this->quoteIdentifier($tableName);
-		}
-		$data = $this->quoteKeys($data);
-		return parent::insert($tableName, $data, $types);
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function insert($tableName, array $data, array $types = []) {
+        if ($tableName[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
+            $tableName = $this->quoteIdentifier($tableName);
+        }
+        $data = $this->quoteKeys($data);
+        return parent::insert($tableName, $data, $types);
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function update($tableName, array $data, array $identifier, array $types = []) {
-		if ($tableName[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
-			$tableName = $this->quoteIdentifier($tableName);
-		}
-		$data = $this->quoteKeys($data);
-		$identifier = $this->quoteKeys($identifier);
-		return parent::update($tableName, $data, $identifier, $types);
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function update($tableName, array $data, array $identifier, array $types = []) {
+        if ($tableName[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
+            $tableName = $this->quoteIdentifier($tableName);
+        }
+        $data = $this->quoteKeys($data);
+        $identifier = $this->quoteKeys($identifier);
+        return parent::update($tableName, $data, $identifier, $types);
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function delete($tableExpression, array $identifier, array $types = []) {
-		if ($tableExpression[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
-			$tableExpression = $this->quoteIdentifier($tableExpression);
-		}
-		$identifier = $this->quoteKeys($identifier);
-		return parent::delete($tableExpression, $identifier);
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function delete($tableExpression, array $identifier, array $types = []) {
+        if ($tableExpression[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
+            $tableExpression = $this->quoteIdentifier($tableExpression);
+        }
+        $identifier = $this->quoteKeys($identifier);
+        return parent::delete($tableExpression, $identifier);
+    }
 
-	/**
-	 * Drop a table from the database if it exists
-	 *
-	 * @param string $table table name without the prefix
-	 */
-	public function dropTable($table) {
-		$table = $this->tablePrefix . trim($table);
-		$table = $this->quoteIdentifier($table);
-		$schema = $this->getSchemaManager();
-		if ($schema->tablesExist([$table])) {
-			$schema->dropTable($table);
-		}
-	}
+    /**
+     * Drop a table from the database if it exists
+     *
+     * @param string $table table name without the prefix
+     */
+    public function dropTable($table) {
+        $table = $this->tablePrefix . trim($table);
+        $table = $this->quoteIdentifier($table);
+        $schema = $this->getSchemaManager();
+        if ($schema->tablesExist([$table])) {
+            $schema->dropTable($table);
+        }
+    }
 
-	/**
-	 * Check if a table exists
-	 *
-	 * @param string $table table name without the prefix
-	 * @return bool
-	 */
-	public function tableExists($table) {
-		$table = $this->tablePrefix . trim($table);
-		$table = $this->quoteIdentifier($table);
-		$schema = $this->getSchemaManager();
-		return $schema->tablesExist([$table]);
-	}
+    /**
+     * Check if a table exists
+     *
+     * @param string $table table name without the prefix
+     * @return bool
+     */
+    public function tableExists($table) {
+        $table = $this->tablePrefix . trim($table);
+        $table = $this->quoteIdentifier($table);
+        $schema = $this->getSchemaManager();
+        return $schema->tablesExist([$table]);
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -82,7 +82,7 @@ 
 	 * @param string $table table name without the prefix
 	 */
 	public function dropTable($table) {
-		$table = $this->tablePrefix . trim($table);
+		$table = $this->tablePrefix.trim($table);
 		$table = $this->quoteIdentifier($table);
 		$schema = $this->getSchemaManager();
 		if ($schema->tablesExist([$table])) {
@@ -97,7 +97,7 @@ 
 	 * @return bool
 	 */
 	public function tableExists($table) {
-		$table = $this->tablePrefix . trim($table);
+		$table = $this->tablePrefix.trim($table);
 		$table = $this->quoteIdentifier($table);
 		$schema = $this->getSchemaManager();
 		return $schema->tablesExist([$table]);

lib/private/DB/MDB2SchemaWriter.php

Indentation +138 added lines, -138 removed lines

@@ -31,150 +31,150 @@
 
 class MDB2SchemaWriter {
 
-	/**
-	 * @param string $file
-	 * @param \OC\DB\Connection $conn
-	 * @return bool
-	 */
-	public static function saveSchemaToFile($file, \OC\DB\Connection $conn) {
-		$config = \OC::$server->getConfig();
+    /**
+     * @param string $file
+     * @param \OC\DB\Connection $conn
+     * @return bool
+     */
+    public static function saveSchemaToFile($file, \OC\DB\Connection $conn) {
+        $config = \OC::$server->getConfig();
 
-		$xml = new \SimpleXMLElement('<database/>');
-		$xml->addChild('name', $config->getSystemValue('dbname', 'owncloud'));
-		$xml->addChild('create', 'true');
-		$xml->addChild('overwrite', 'false');
-		if ($config->getSystemValue('dbtype', 'sqlite') === 'mysql' && $config->getSystemValue('mysql.utf8mb4', false)) {
-			$xml->addChild('charset', 'utf8mb4');
-		} else {
-			$xml->addChild('charset', 'utf8');
-		}
+        $xml = new \SimpleXMLElement('<database/>');
+        $xml->addChild('name', $config->getSystemValue('dbname', 'owncloud'));
+        $xml->addChild('create', 'true');
+        $xml->addChild('overwrite', 'false');
+        if ($config->getSystemValue('dbtype', 'sqlite') === 'mysql' && $config->getSystemValue('mysql.utf8mb4', false)) {
+            $xml->addChild('charset', 'utf8mb4');
+        } else {
+            $xml->addChild('charset', 'utf8');
+        }
 
-		// FIX ME: bloody work around
-		if ($config->getSystemValue('dbtype', 'sqlite') === 'oci') {
-			$filterExpression = '/^"' . preg_quote($conn->getPrefix()) . '/';
-		} else {
-			$filterExpression = '/^' . preg_quote($conn->getPrefix()) . '/';
-		}
-		$conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
+        // FIX ME: bloody work around
+        if ($config->getSystemValue('dbtype', 'sqlite') === 'oci') {
+            $filterExpression = '/^"' . preg_quote($conn->getPrefix()) . '/';
+        } else {
+            $filterExpression = '/^' . preg_quote($conn->getPrefix()) . '/';
+        }
+        $conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
 
-		foreach ($conn->getSchemaManager()->listTables() as $table) {
-			self::saveTable($table, $xml->addChild('table'));
-		}
-		file_put_contents($file, $xml->asXML());
-		return true;
-	}
+        foreach ($conn->getSchemaManager()->listTables() as $table) {
+            self::saveTable($table, $xml->addChild('table'));
+        }
+        file_put_contents($file, $xml->asXML());
+        return true;
+    }
 
-	/**
-	 * @param \Doctrine\DBAL\Schema\Table $table
-	 * @param \SimpleXMLElement $xml
-	 */
-	private static function saveTable($table, $xml) {
-		$xml->addChild('name', $table->getName());
-		$declaration = $xml->addChild('declaration');
-		foreach ($table->getColumns() as $column) {
-			self::saveColumn($column, $declaration->addChild('field'));
-		}
-		foreach ($table->getIndexes() as $index) {
-			if ($index->getName() == 'PRIMARY') {
-				$autoincrement = false;
-				foreach ($index->getColumns() as $column) {
-					if ($table->getColumn($column)->getAutoincrement()) {
-						$autoincrement = true;
-					}
-				}
-				if ($autoincrement) {
-					continue;
-				}
-			}
-			self::saveIndex($index, $declaration->addChild('index'));
-		}
-	}
+    /**
+     * @param \Doctrine\DBAL\Schema\Table $table
+     * @param \SimpleXMLElement $xml
+     */
+    private static function saveTable($table, $xml) {
+        $xml->addChild('name', $table->getName());
+        $declaration = $xml->addChild('declaration');
+        foreach ($table->getColumns() as $column) {
+            self::saveColumn($column, $declaration->addChild('field'));
+        }
+        foreach ($table->getIndexes() as $index) {
+            if ($index->getName() == 'PRIMARY') {
+                $autoincrement = false;
+                foreach ($index->getColumns() as $column) {
+                    if ($table->getColumn($column)->getAutoincrement()) {
+                        $autoincrement = true;
+                    }
+                }
+                if ($autoincrement) {
+                    continue;
+                }
+            }
+            self::saveIndex($index, $declaration->addChild('index'));
+        }
+    }
 
-	/**
-	 * @param Column $column
-	 * @param \SimpleXMLElement $xml
-	 */
-	private static function saveColumn($column, $xml) {
-		$xml->addChild('name', $column->getName());
-		switch ($column->getType()) {
-			case 'SmallInt':
-			case 'Integer':
-			case 'BigInt':
-				$xml->addChild('type', 'integer');
-				$default = $column->getDefault();
-				if (is_null($default) && $column->getAutoincrement()) {
-					$default = '0';
-				}
-				$xml->addChild('default', $default);
-				$xml->addChild('notnull', self::toBool($column->getNotnull()));
-				if ($column->getAutoincrement()) {
-					$xml->addChild('autoincrement', '1');
-				}
-				if ($column->getUnsigned()) {
-					$xml->addChild('unsigned', 'true');
-				}
-				$length = '4';
-				if ($column->getType() == 'SmallInt') {
-					$length = '2';
-				} elseif ($column->getType() == 'BigInt') {
-					$length = '8';
-				}
-				$xml->addChild('length', $length);
-				break;
-			case 'String':
-				$xml->addChild('type', 'text');
-				$default = trim($column->getDefault());
-				if ($default === '') {
-					$default = false;
-				}
-				$xml->addChild('default', $default);
-				$xml->addChild('notnull', self::toBool($column->getNotnull()));
-				$xml->addChild('length', $column->getLength());
-				break;
-			case 'Text':
-				$xml->addChild('type', 'clob');
-				$xml->addChild('notnull', self::toBool($column->getNotnull()));
-				break;
-			case 'Decimal':
-				$xml->addChild('type', 'decimal');
-				$xml->addChild('default', $column->getDefault());
-				$xml->addChild('notnull', self::toBool($column->getNotnull()));
-				$xml->addChild('length', '15');
-				break;
-			case 'Boolean':
-				$xml->addChild('type', 'integer');
-				$xml->addChild('default', $column->getDefault());
-				$xml->addChild('notnull', self::toBool($column->getNotnull()));
-				$xml->addChild('length', '1');
-				break;
-			case 'DateTime':
-				$xml->addChild('type', 'timestamp');
-				$xml->addChild('default', $column->getDefault());
-				$xml->addChild('notnull', self::toBool($column->getNotnull()));
-				break;
+    /**
+     * @param Column $column
+     * @param \SimpleXMLElement $xml
+     */
+    private static function saveColumn($column, $xml) {
+        $xml->addChild('name', $column->getName());
+        switch ($column->getType()) {
+            case 'SmallInt':
+            case 'Integer':
+            case 'BigInt':
+                $xml->addChild('type', 'integer');
+                $default = $column->getDefault();
+                if (is_null($default) && $column->getAutoincrement()) {
+                    $default = '0';
+                }
+                $xml->addChild('default', $default);
+                $xml->addChild('notnull', self::toBool($column->getNotnull()));
+                if ($column->getAutoincrement()) {
+                    $xml->addChild('autoincrement', '1');
+                }
+                if ($column->getUnsigned()) {
+                    $xml->addChild('unsigned', 'true');
+                }
+                $length = '4';
+                if ($column->getType() == 'SmallInt') {
+                    $length = '2';
+                } elseif ($column->getType() == 'BigInt') {
+                    $length = '8';
+                }
+                $xml->addChild('length', $length);
+                break;
+            case 'String':
+                $xml->addChild('type', 'text');
+                $default = trim($column->getDefault());
+                if ($default === '') {
+                    $default = false;
+                }
+                $xml->addChild('default', $default);
+                $xml->addChild('notnull', self::toBool($column->getNotnull()));
+                $xml->addChild('length', $column->getLength());
+                break;
+            case 'Text':
+                $xml->addChild('type', 'clob');
+                $xml->addChild('notnull', self::toBool($column->getNotnull()));
+                break;
+            case 'Decimal':
+                $xml->addChild('type', 'decimal');
+                $xml->addChild('default', $column->getDefault());
+                $xml->addChild('notnull', self::toBool($column->getNotnull()));
+                $xml->addChild('length', '15');
+                break;
+            case 'Boolean':
+                $xml->addChild('type', 'integer');
+                $xml->addChild('default', $column->getDefault());
+                $xml->addChild('notnull', self::toBool($column->getNotnull()));
+                $xml->addChild('length', '1');
+                break;
+            case 'DateTime':
+                $xml->addChild('type', 'timestamp');
+                $xml->addChild('default', $column->getDefault());
+                $xml->addChild('notnull', self::toBool($column->getNotnull()));
+                break;
 
-		}
-	}
+        }
+    }
 
-	/**
-	 * @param Index $index
-	 * @param \SimpleXMLElement $xml
-	 */
-	private static function saveIndex($index, $xml) {
-		$xml->addChild('name', $index->getName());
-		if ($index->isPrimary()) {
-			$xml->addChild('primary', 'true');
-		} elseif ($index->isUnique()) {
-			$xml->addChild('unique', 'true');
-		}
-		foreach ($index->getColumns() as $column) {
-			$field = $xml->addChild('field');
-			$field->addChild('name', $column);
-			$field->addChild('sorting', 'ascending');
-		}
-	}
+    /**
+     * @param Index $index
+     * @param \SimpleXMLElement $xml
+     */
+    private static function saveIndex($index, $xml) {
+        $xml->addChild('name', $index->getName());
+        if ($index->isPrimary()) {
+            $xml->addChild('primary', 'true');
+        } elseif ($index->isUnique()) {
+            $xml->addChild('unique', 'true');
+        }
+        foreach ($index->getColumns() as $column) {
+            $field = $xml->addChild('field');
+            $field->addChild('name', $column);
+            $field->addChild('sorting', 'ascending');
+        }
+    }
 
-	private static function toBool($bool) {
-		return $bool ? 'true' : 'false';
-	}
+    private static function toBool($bool) {
+        return $bool ? 'true' : 'false';
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -51,9 +51,9 @@
 
 		// FIX ME: bloody work around
 		if ($config->getSystemValue('dbtype', 'sqlite') === 'oci') {
-			$filterExpression = '/^"' . preg_quote($conn->getPrefix()) . '/';
+			$filterExpression = '/^"'.preg_quote($conn->getPrefix()).'/';
 		} else {
-			$filterExpression = '/^' . preg_quote($conn->getPrefix()) . '/';
+			$filterExpression = '/^'.preg_quote($conn->getPrefix()).'/';
 		}
 		$conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression);
 

lib/private/PreviewManager.php

Spacing +1 added lines, -1 removed lines

@@ -333,7 +333,7 @@
 	 */
 	protected function registerCoreProvider($class, $mimeType, $options = []) {
 		if (in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
-			$this->registerProvider($mimeType, function () use ($class, $options) {
+			$this->registerProvider($mimeType, function() use ($class, $options) {
 				return new $class($options);
 			});
 		}

Indentation +381 added lines, -381 removed lines

@@ -42,390 +42,390 @@
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 class PreviewManager implements IPreview {
-	/** @var IConfig */
-	protected $config;
+    /** @var IConfig */
+    protected $config;
 
-	/** @var IRootFolder */
-	protected $rootFolder;
+    /** @var IRootFolder */
+    protected $rootFolder;
 
-	/** @var IAppData */
-	protected $appData;
+    /** @var IAppData */
+    protected $appData;
 
-	/** @var EventDispatcherInterface */
-	protected $eventDispatcher;
+    /** @var EventDispatcherInterface */
+    protected $eventDispatcher;
 
-	/** @var Generator */
-	private $generator;
+    /** @var Generator */
+    private $generator;
 	
-	/** @var GeneratorHelper */
-	private $helper;
-
-	/** @var bool */
-	protected $providerListDirty = false;
-
-	/** @var bool */
-	protected $registeredCoreProviders = false;
-
-	/** @var array */
-	protected $providers = [];
-
-	/** @var array mime type => support status */
-	protected $mimeTypeSupportMap = [];
-
-	/** @var array */
-	protected $defaultProviders;
-
-	/** @var string */
-	protected $userId;
-
-	/**
-	 * PreviewManager constructor.
-	 *
-	 * @param IConfig $config
-	 * @param IRootFolder $rootFolder
-	 * @param IAppData $appData
-	 * @param EventDispatcherInterface $eventDispatcher
-	 * @param string $userId
-	 */
-	public function __construct(IConfig $config,
-								IRootFolder $rootFolder,
-								IAppData $appData,
-								EventDispatcherInterface $eventDispatcher,
-								GeneratorHelper $helper,
-								$userId) {
-		$this->config = $config;
-		$this->rootFolder = $rootFolder;
-		$this->appData = $appData;
-		$this->eventDispatcher = $eventDispatcher;
-		$this->helper = $helper;
-		$this->userId = $userId;
-	}
-
-	/**
-	 * In order to improve lazy loading a closure can be registered which will be
-	 * called in case preview providers are actually requested
-	 *
-	 * $callable has to return an instance of \OCP\Preview\IProvider or \OCP\Preview\IProviderV2
-	 *
-	 * @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
-	 * @param \Closure $callable
-	 * @return void
-	 */
-	public function registerProvider($mimeTypeRegex, \Closure $callable) {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return;
-		}
-
-		if (!isset($this->providers[$mimeTypeRegex])) {
-			$this->providers[$mimeTypeRegex] = [];
-		}
-		$this->providers[$mimeTypeRegex][] = $callable;
-		$this->providerListDirty = true;
-	}
-
-	/**
-	 * Get all providers
-	 * @return array
-	 */
-	public function getProviders() {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return [];
-		}
-
-		$this->registerCoreProviders();
-		if ($this->providerListDirty) {
-			$keys = array_map('strlen', array_keys($this->providers));
-			array_multisort($keys, SORT_DESC, $this->providers);
-			$this->providerListDirty = false;
-		}
-
-		return $this->providers;
-	}
-
-	/**
-	 * Does the manager have any providers
-	 * @return bool
-	 */
-	public function hasProviders() {
-		$this->registerCoreProviders();
-		return !empty($this->providers);
-	}
-
-	private function getGenerator(): Generator {
-		if ($this->generator === null) {
-			$this->generator = new Generator(
-				$this->config,
-				$this,
-				$this->appData,
-				new GeneratorHelper(
-					$this->rootFolder,
-					$this->config
-				),
-				$this->eventDispatcher
-			);
-		}
-		return $this->generator;
-	}
-
-	/**
-	 * Returns a preview of a file
-	 *
-	 * The cache is searched first and if nothing usable was found then a preview is
-	 * generated by one of the providers
-	 *
-	 * @param File $file
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param string $mode
-	 * @param string $mimeType
-	 * @return ISimpleFile
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 * @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
-	 */
-	public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
-		return $this->getGenerator()->getPreview($file, $width, $height, $crop, $mode, $mimeType);
-	}
-
-	/**
-	 * Generates previews of a file
-	 *
-	 * @param File $file
-	 * @param array $specifications
-	 * @param string $mimeType
-	 * @return ISimpleFile the last preview that was generated
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 * @since 19.0.0
-	 */
-	public function generatePreviews(File $file, array $specifications, $mimeType = null) {
-		return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
-	}
-
-	/**
-	 * returns true if the passed mime type is supported
-	 *
-	 * @param string $mimeType
-	 * @return boolean
-	 */
-	public function isMimeSupported($mimeType = '*') {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return false;
-		}
-
-		if (isset($this->mimeTypeSupportMap[$mimeType])) {
-			return $this->mimeTypeSupportMap[$mimeType];
-		}
-
-		$this->registerCoreProviders();
-		$providerMimeTypes = array_keys($this->providers);
-		foreach ($providerMimeTypes as $supportedMimeType) {
-			if (preg_match($supportedMimeType, $mimeType)) {
-				$this->mimeTypeSupportMap[$mimeType] = true;
-				return true;
-			}
-		}
-		$this->mimeTypeSupportMap[$mimeType] = false;
-		return false;
-	}
-
-	/**
-	 * Check if a preview can be generated for a file
-	 *
-	 * @param \OCP\Files\FileInfo $file
-	 * @return bool
-	 */
-	public function isAvailable(\OCP\Files\FileInfo $file) {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return false;
-		}
-
-		$this->registerCoreProviders();
-		if (!$this->isMimeSupported($file->getMimetype())) {
-			return false;
-		}
-
-		$mount = $file->getMountPoint();
-		if ($mount and !$mount->getOption('previews', true)) {
-			return false;
-		}
-
-		foreach ($this->providers as $supportedMimeType => $providers) {
-			if (preg_match($supportedMimeType, $file->getMimetype())) {
-				foreach ($providers as $providerClosure) {
-					$provider = $this->helper->getProvider($providerClosure);
-					if (!($provider instanceof IProviderV2)) {
-						continue;
-					}
-
-					/** @var $provider IProvider */
-					if ($provider->isAvailable($file)) {
-						return true;
-					}
-				}
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * List of enabled default providers
-	 *
-	 * The following providers are enabled by default:
-	 *  - OC\Preview\PNG
-	 *  - OC\Preview\JPEG
-	 *  - OC\Preview\GIF
-	 *  - OC\Preview\BMP
-	 *  - OC\Preview\HEIC
-	 *  - OC\Preview\XBitmap
-	 *  - OC\Preview\MarkDown
-	 *  - OC\Preview\MP3
-	 *  - OC\Preview\TXT
-	 *
-	 * The following providers are disabled by default due to performance or privacy concerns:
-	 *  - OC\Preview\Font
-	 *  - OC\Preview\Illustrator
-	 *  - OC\Preview\Movie
-	 *  - OC\Preview\MSOfficeDoc
-	 *  - OC\Preview\MSOffice2003
-	 *  - OC\Preview\MSOffice2007
-	 *  - OC\Preview\OpenDocument
-	 *  - OC\Preview\PDF
-	 *  - OC\Preview\Photoshop
-	 *  - OC\Preview\Postscript
-	 *  - OC\Preview\StarOffice
-	 *  - OC\Preview\SVG
-	 *  - OC\Preview\TIFF
-	 *
-	 * @return array
-	 */
-	protected function getEnabledDefaultProvider() {
-		if ($this->defaultProviders !== null) {
-			return $this->defaultProviders;
-		}
-
-		$imageProviders = [
-			Preview\PNG::class,
-			Preview\JPEG::class,
-			Preview\GIF::class,
-			Preview\BMP::class,
-			Preview\HEIC::class,
-			Preview\XBitmap::class,
-			Preview\Krita::class,
-		];
-
-		$this->defaultProviders = $this->config->getSystemValue('enabledPreviewProviders', array_merge([
-			Preview\MarkDown::class,
-			Preview\MP3::class,
-			Preview\TXT::class,
-			Preview\OpenDocument::class,
-		], $imageProviders));
-
-		if (in_array(Preview\Image::class, $this->defaultProviders)) {
-			$this->defaultProviders = array_merge($this->defaultProviders, $imageProviders);
-		}
-		$this->defaultProviders = array_unique($this->defaultProviders);
-		return $this->defaultProviders;
-	}
-
-	/**
-	 * Register the default providers (if enabled)
-	 *
-	 * @param string $class
-	 * @param string $mimeType
-	 */
-	protected function registerCoreProvider($class, $mimeType, $options = []) {
-		if (in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
-			$this->registerProvider($mimeType, function () use ($class, $options) {
-				return new $class($options);
-			});
-		}
-	}
-
-	/**
-	 * Register the default providers (if enabled)
-	 */
-	protected function registerCoreProviders() {
-		if ($this->registeredCoreProviders) {
-			return;
-		}
-		$this->registeredCoreProviders = true;
-
-		$this->registerCoreProvider(Preview\TXT::class, '/text\/plain/');
-		$this->registerCoreProvider(Preview\MarkDown::class, '/text\/(x-)?markdown/');
-		$this->registerCoreProvider(Preview\PNG::class, '/image\/png/');
-		$this->registerCoreProvider(Preview\JPEG::class, '/image\/jpeg/');
-		$this->registerCoreProvider(Preview\GIF::class, '/image\/gif/');
-		$this->registerCoreProvider(Preview\BMP::class, '/image\/bmp/');
-		$this->registerCoreProvider(Preview\XBitmap::class, '/image\/x-xbitmap/');
-		$this->registerCoreProvider(Preview\Krita::class, '/application\/x-krita/');
-		$this->registerCoreProvider(Preview\MP3::class, '/audio\/mpeg/');
-		$this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
-
-		// SVG, Office and Bitmap require imagick
-		if (extension_loaded('imagick')) {
-			$checkImagick = new \Imagick();
-
-			$imagickProviders = [
-				'SVG'	=> ['mimetype' => '/image\/svg\+xml/', 'class' => Preview\SVG::class],
-				'TIFF'	=> ['mimetype' => '/image\/tiff/', 'class' => Preview\TIFF::class],
-				'PDF'	=> ['mimetype' => '/application\/pdf/', 'class' => Preview\PDF::class],
-				'AI'	=> ['mimetype' => '/application\/illustrator/', 'class' => Preview\Illustrator::class],
-				'PSD'	=> ['mimetype' => '/application\/x-photoshop/', 'class' => Preview\Photoshop::class],
-				'EPS'	=> ['mimetype' => '/application\/postscript/', 'class' => Preview\Postscript::class],
-				'TTF'	=> ['mimetype' => '/application\/(?:font-sfnt|x-font$)/', 'class' => Preview\Font::class],
-				'HEIC'  => ['mimetype' => '/image\/hei(f|c)/', 'class' => Preview\HEIC::class],
-			];
-
-			foreach ($imagickProviders as $queryFormat => $provider) {
-				$class = $provider['class'];
-				if (!in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
-					continue;
-				}
-
-				if (count($checkImagick->queryFormats($queryFormat)) === 1) {
-					$this->registerCoreProvider($class, $provider['mimetype']);
-				}
-			}
-
-			if (count($checkImagick->queryFormats('PDF')) === 1) {
-				if (\OC_Helper::is_function_enabled('shell_exec')) {
-					$officeFound = is_string($this->config->getSystemValue('preview_libreoffice_path', null));
-
-					if (!$officeFound) {
-						//let's see if there is libreoffice or openoffice on this machine
-						$whichLibreOffice = shell_exec('command -v libreoffice');
-						$officeFound = !empty($whichLibreOffice);
-						if (!$officeFound) {
-							$whichOpenOffice = shell_exec('command -v openoffice');
-							$officeFound = !empty($whichOpenOffice);
-						}
-					}
-
-					if ($officeFound) {
-						$this->registerCoreProvider(Preview\MSOfficeDoc::class, '/application\/msword/');
-						$this->registerCoreProvider(Preview\MSOffice2003::class, '/application\/vnd.ms-.*/');
-						$this->registerCoreProvider(Preview\MSOffice2007::class, '/application\/vnd.openxmlformats-officedocument.*/');
-						$this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
-						$this->registerCoreProvider(Preview\StarOffice::class, '/application\/vnd.sun.xml.*/');
-					}
-				}
-			}
-		}
-
-		// Video requires avconv or ffmpeg
-		if (in_array(Preview\Movie::class, $this->getEnabledDefaultProvider())) {
-			$avconvBinary = \OC_Helper::findBinaryPath('avconv');
-			$ffmpegBinary = $avconvBinary ? null : \OC_Helper::findBinaryPath('ffmpeg');
-
-			if ($avconvBinary || $ffmpegBinary) {
-				// FIXME // a bit hacky but didn't want to use subclasses
-				\OC\Preview\Movie::$avconvBinary = $avconvBinary;
-				\OC\Preview\Movie::$ffmpegBinary = $ffmpegBinary;
-
-				$this->registerCoreProvider(Preview\Movie::class, '/video\/.*/');
-			}
-		}
-	}
+    /** @var GeneratorHelper */
+    private $helper;
+
+    /** @var bool */
+    protected $providerListDirty = false;
+
+    /** @var bool */
+    protected $registeredCoreProviders = false;
+
+    /** @var array */
+    protected $providers = [];
+
+    /** @var array mime type => support status */
+    protected $mimeTypeSupportMap = [];
+
+    /** @var array */
+    protected $defaultProviders;
+
+    /** @var string */
+    protected $userId;
+
+    /**
+     * PreviewManager constructor.
+     *
+     * @param IConfig $config
+     * @param IRootFolder $rootFolder
+     * @param IAppData $appData
+     * @param EventDispatcherInterface $eventDispatcher
+     * @param string $userId
+     */
+    public function __construct(IConfig $config,
+                                IRootFolder $rootFolder,
+                                IAppData $appData,
+                                EventDispatcherInterface $eventDispatcher,
+                                GeneratorHelper $helper,
+                                $userId) {
+        $this->config = $config;
+        $this->rootFolder = $rootFolder;
+        $this->appData = $appData;
+        $this->eventDispatcher = $eventDispatcher;
+        $this->helper = $helper;
+        $this->userId = $userId;
+    }
+
+    /**
+     * In order to improve lazy loading a closure can be registered which will be
+     * called in case preview providers are actually requested
+     *
+     * $callable has to return an instance of \OCP\Preview\IProvider or \OCP\Preview\IProviderV2
+     *
+     * @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
+     * @param \Closure $callable
+     * @return void
+     */
+    public function registerProvider($mimeTypeRegex, \Closure $callable) {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return;
+        }
+
+        if (!isset($this->providers[$mimeTypeRegex])) {
+            $this->providers[$mimeTypeRegex] = [];
+        }
+        $this->providers[$mimeTypeRegex][] = $callable;
+        $this->providerListDirty = true;
+    }
+
+    /**
+     * Get all providers
+     * @return array
+     */
+    public function getProviders() {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return [];
+        }
+
+        $this->registerCoreProviders();
+        if ($this->providerListDirty) {
+            $keys = array_map('strlen', array_keys($this->providers));
+            array_multisort($keys, SORT_DESC, $this->providers);
+            $this->providerListDirty = false;
+        }
+
+        return $this->providers;
+    }
+
+    /**
+     * Does the manager have any providers
+     * @return bool
+     */
+    public function hasProviders() {
+        $this->registerCoreProviders();
+        return !empty($this->providers);
+    }
+
+    private function getGenerator(): Generator {
+        if ($this->generator === null) {
+            $this->generator = new Generator(
+                $this->config,
+                $this,
+                $this->appData,
+                new GeneratorHelper(
+                    $this->rootFolder,
+                    $this->config
+                ),
+                $this->eventDispatcher
+            );
+        }
+        return $this->generator;
+    }
+
+    /**
+     * Returns a preview of a file
+     *
+     * The cache is searched first and if nothing usable was found then a preview is
+     * generated by one of the providers
+     *
+     * @param File $file
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param string $mode
+     * @param string $mimeType
+     * @return ISimpleFile
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     * @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
+     */
+    public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
+        return $this->getGenerator()->getPreview($file, $width, $height, $crop, $mode, $mimeType);
+    }
+
+    /**
+     * Generates previews of a file
+     *
+     * @param File $file
+     * @param array $specifications
+     * @param string $mimeType
+     * @return ISimpleFile the last preview that was generated
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     * @since 19.0.0
+     */
+    public function generatePreviews(File $file, array $specifications, $mimeType = null) {
+        return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
+    }
+
+    /**
+     * returns true if the passed mime type is supported
+     *
+     * @param string $mimeType
+     * @return boolean
+     */
+    public function isMimeSupported($mimeType = '*') {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return false;
+        }
+
+        if (isset($this->mimeTypeSupportMap[$mimeType])) {
+            return $this->mimeTypeSupportMap[$mimeType];
+        }
+
+        $this->registerCoreProviders();
+        $providerMimeTypes = array_keys($this->providers);
+        foreach ($providerMimeTypes as $supportedMimeType) {
+            if (preg_match($supportedMimeType, $mimeType)) {
+                $this->mimeTypeSupportMap[$mimeType] = true;
+                return true;
+            }
+        }
+        $this->mimeTypeSupportMap[$mimeType] = false;
+        return false;
+    }
+
+    /**
+     * Check if a preview can be generated for a file
+     *
+     * @param \OCP\Files\FileInfo $file
+     * @return bool
+     */
+    public function isAvailable(\OCP\Files\FileInfo $file) {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return false;
+        }
+
+        $this->registerCoreProviders();
+        if (!$this->isMimeSupported($file->getMimetype())) {
+            return false;
+        }
+
+        $mount = $file->getMountPoint();
+        if ($mount and !$mount->getOption('previews', true)) {
+            return false;
+        }
+
+        foreach ($this->providers as $supportedMimeType => $providers) {
+            if (preg_match($supportedMimeType, $file->getMimetype())) {
+                foreach ($providers as $providerClosure) {
+                    $provider = $this->helper->getProvider($providerClosure);
+                    if (!($provider instanceof IProviderV2)) {
+                        continue;
+                    }
+
+                    /** @var $provider IProvider */
+                    if ($provider->isAvailable($file)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * List of enabled default providers
+     *
+     * The following providers are enabled by default:
+     *  - OC\Preview\PNG
+     *  - OC\Preview\JPEG
+     *  - OC\Preview\GIF
+     *  - OC\Preview\BMP
+     *  - OC\Preview\HEIC
+     *  - OC\Preview\XBitmap
+     *  - OC\Preview\MarkDown
+     *  - OC\Preview\MP3
+     *  - OC\Preview\TXT
+     *
+     * The following providers are disabled by default due to performance or privacy concerns:
+     *  - OC\Preview\Font
+     *  - OC\Preview\Illustrator
+     *  - OC\Preview\Movie
+     *  - OC\Preview\MSOfficeDoc
+     *  - OC\Preview\MSOffice2003
+     *  - OC\Preview\MSOffice2007
+     *  - OC\Preview\OpenDocument
+     *  - OC\Preview\PDF
+     *  - OC\Preview\Photoshop
+     *  - OC\Preview\Postscript
+     *  - OC\Preview\StarOffice
+     *  - OC\Preview\SVG
+     *  - OC\Preview\TIFF
+     *
+     * @return array
+     */
+    protected function getEnabledDefaultProvider() {
+        if ($this->defaultProviders !== null) {
+            return $this->defaultProviders;
+        }
+
+        $imageProviders = [
+            Preview\PNG::class,
+            Preview\JPEG::class,
+            Preview\GIF::class,
+            Preview\BMP::class,
+            Preview\HEIC::class,
+            Preview\XBitmap::class,
+            Preview\Krita::class,
+        ];
+
+        $this->defaultProviders = $this->config->getSystemValue('enabledPreviewProviders', array_merge([
+            Preview\MarkDown::class,
+            Preview\MP3::class,
+            Preview\TXT::class,
+            Preview\OpenDocument::class,
+        ], $imageProviders));
+
+        if (in_array(Preview\Image::class, $this->defaultProviders)) {
+            $this->defaultProviders = array_merge($this->defaultProviders, $imageProviders);
+        }
+        $this->defaultProviders = array_unique($this->defaultProviders);
+        return $this->defaultProviders;
+    }
+
+    /**
+     * Register the default providers (if enabled)
+     *
+     * @param string $class
+     * @param string $mimeType
+     */
+    protected function registerCoreProvider($class, $mimeType, $options = []) {
+        if (in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
+            $this->registerProvider($mimeType, function () use ($class, $options) {
+                return new $class($options);
+            });
+        }
+    }
+
+    /**
+     * Register the default providers (if enabled)
+     */
+    protected function registerCoreProviders() {
+        if ($this->registeredCoreProviders) {
+            return;
+        }
+        $this->registeredCoreProviders = true;
+
+        $this->registerCoreProvider(Preview\TXT::class, '/text\/plain/');
+        $this->registerCoreProvider(Preview\MarkDown::class, '/text\/(x-)?markdown/');
+        $this->registerCoreProvider(Preview\PNG::class, '/image\/png/');
+        $this->registerCoreProvider(Preview\JPEG::class, '/image\/jpeg/');
+        $this->registerCoreProvider(Preview\GIF::class, '/image\/gif/');
+        $this->registerCoreProvider(Preview\BMP::class, '/image\/bmp/');
+        $this->registerCoreProvider(Preview\XBitmap::class, '/image\/x-xbitmap/');
+        $this->registerCoreProvider(Preview\Krita::class, '/application\/x-krita/');
+        $this->registerCoreProvider(Preview\MP3::class, '/audio\/mpeg/');
+        $this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
+
+        // SVG, Office and Bitmap require imagick
+        if (extension_loaded('imagick')) {
+            $checkImagick = new \Imagick();
+
+            $imagickProviders = [
+                'SVG'	=> ['mimetype' => '/image\/svg\+xml/', 'class' => Preview\SVG::class],
+                'TIFF'	=> ['mimetype' => '/image\/tiff/', 'class' => Preview\TIFF::class],
+                'PDF'	=> ['mimetype' => '/application\/pdf/', 'class' => Preview\PDF::class],
+                'AI'	=> ['mimetype' => '/application\/illustrator/', 'class' => Preview\Illustrator::class],
+                'PSD'	=> ['mimetype' => '/application\/x-photoshop/', 'class' => Preview\Photoshop::class],
+                'EPS'	=> ['mimetype' => '/application\/postscript/', 'class' => Preview\Postscript::class],
+                'TTF'	=> ['mimetype' => '/application\/(?:font-sfnt|x-font$)/', 'class' => Preview\Font::class],
+                'HEIC'  => ['mimetype' => '/image\/hei(f|c)/', 'class' => Preview\HEIC::class],
+            ];
+
+            foreach ($imagickProviders as $queryFormat => $provider) {
+                $class = $provider['class'];
+                if (!in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
+                    continue;
+                }
+
+                if (count($checkImagick->queryFormats($queryFormat)) === 1) {
+                    $this->registerCoreProvider($class, $provider['mimetype']);
+                }
+            }
+
+            if (count($checkImagick->queryFormats('PDF')) === 1) {
+                if (\OC_Helper::is_function_enabled('shell_exec')) {
+                    $officeFound = is_string($this->config->getSystemValue('preview_libreoffice_path', null));
+
+                    if (!$officeFound) {
+                        //let's see if there is libreoffice or openoffice on this machine
+                        $whichLibreOffice = shell_exec('command -v libreoffice');
+                        $officeFound = !empty($whichLibreOffice);
+                        if (!$officeFound) {
+                            $whichOpenOffice = shell_exec('command -v openoffice');
+                            $officeFound = !empty($whichOpenOffice);
+                        }
+                    }
+
+                    if ($officeFound) {
+                        $this->registerCoreProvider(Preview\MSOfficeDoc::class, '/application\/msword/');
+                        $this->registerCoreProvider(Preview\MSOffice2003::class, '/application\/vnd.ms-.*/');
+                        $this->registerCoreProvider(Preview\MSOffice2007::class, '/application\/vnd.openxmlformats-officedocument.*/');
+                        $this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
+                        $this->registerCoreProvider(Preview\StarOffice::class, '/application\/vnd.sun.xml.*/');
+                    }
+                }
+            }
+        }
+
+        // Video requires avconv or ffmpeg
+        if (in_array(Preview\Movie::class, $this->getEnabledDefaultProvider())) {
+            $avconvBinary = \OC_Helper::findBinaryPath('avconv');
+            $ffmpegBinary = $avconvBinary ? null : \OC_Helper::findBinaryPath('ffmpeg');
+
+            if ($avconvBinary || $ffmpegBinary) {
+                // FIXME // a bit hacky but didn't want to use subclasses
+                \OC\Preview\Movie::$avconvBinary = $avconvBinary;
+                \OC\Preview\Movie::$ffmpegBinary = $ffmpegBinary;
+
+                $this->registerCoreProvider(Preview\Movie::class, '/video\/.*/');
+            }
+        }
+    }
 }