From df8e8ec9eee72743d0f14a8409aacf66c4a80d89 Mon Sep 17 00:00:00 2001 From: yllar <yllar.pajus@gmail.com> Date: Mon, 11 Dec 2006 12:09:34 -0500 Subject: [PATCH] updated da, de_DE, pt_BR, bs_BA, fr, pl, et_EE translations --- program/include/rcube_db.inc | 722 +++++++++++++++++++++++++++++++++++++++--------------- 1 files changed, 516 insertions(+), 206 deletions(-) diff --git a/program/include/rcube_db.inc b/program/include/rcube_db.inc index 7d9d1bb..a01b38d 100755 --- a/program/include/rcube_db.inc +++ b/program/include/rcube_db.inc @@ -14,256 +14,566 @@ | | +-----------------------------------------------------------------------+ | Author: David Saez Padros <david@ols.es> | + | Thomas Bruederli <roundcube@gmail.com> | +-----------------------------------------------------------------------+ $Id$ */ + +/** + * Obtain the PEAR::DB class that is used for abstraction + */ require_once('DB.php'); + +/** + * Database independent query interface + * + * This is a wrapper for the PEAR::DB class + * + * @package RoundCube Webmail + * @author David Saez Padros <david@ols.es> + * @author Thomas Bruederli <roundcube@gmail.com> + * @version 1.17 + * @link http://pear.php.net/package/DB + */ class rcube_db -{ - var $db_dsnw; // DSN for write operations - var $db_dsnr; // DSN for read operations - var $db_connected=false; // Already connected ? - var $db_mode=''; // Connection mode - var $db_handle=0; // Connection handle + { + var $db_dsnw; // DSN for write operations + var $db_dsnr; // DSN for read operations + var $db_connected = false; // Already connected ? + var $db_mode = ''; // Connection mode + var $db_handle = 0; // Connection handle + var $db_pconn = false; // Use persistent connections + var $db_error = false; + var $db_error_msg = ''; - var $a_query_results = array('dummy'); - var $last_res_id = 0; + var $a_query_results = array('dummy'); + var $last_res_id = 0; - // PHP 5 constructor - function __construct($db_dsnw,$db_dsnr='') + + /** + * Object constructor + * + * @param string DSN for read/write operations + * @param string Optional DSN for read only operations + */ + function __construct($db_dsnw, $db_dsnr='', $pconn=false) { - if ($db_dsnr=='') $db_dsnr=$db_dsnw; + if ($db_dsnr=='') + $db_dsnr=$db_dsnw; - $this->db_dsnw = $db_dsnw; - $this->db_dsnr = $db_dsnr; + $this->db_dsnw = $db_dsnw; + $this->db_dsnr = $db_dsnr; + $this->db_pconn = $pconn; - $dsn_array = DB::parseDSN($db_dsnw); - $this->db_provider = $dsn_array['phptype']; + $dsn_array = DB::parseDSN($db_dsnw); + $this->db_provider = $dsn_array['phptype']; } - // PHP 4 compatibility - function rcube_db($db_dsnw,$db_dsnr='') + + /** + * PHP 4 object constructor + * + * @see rcube_db::__construct + */ + function rcube_db($db_dsnw, $db_dsnr='', $pconn=false) { - $this->__construct($db_dsnw,$db_dsnr); + $this->__construct($db_dsnw, $db_dsnr, $pconn); } - // Connect to specific database - function dsn_connect($dsn) - { - // Use persistent connections if available - $dbh = DB::connect($dsn, array('persistent' => $true)); - - if (DB::isError($dbh)) - raise_error(array('code' => 500, - 'type' => 'db', - 'line' => __LINE__, - 'file' => __FILE__, - 'message' => $dbh->getMessage()), TRUE, FALSE); - else if ($this->db_provider=='sqlite') - { - $dsn_array = DB::parseDSN($dsn); - if (!filesize($dsn_array['database']) && !empty($this->sqlite_initials)) - $this->_sqlite_create_database($dbh, $this->sqlite_initials); - } + /** + * Connect to specific database + * + * @param string DSN for DB connections + * @return object PEAR database handle + * @access private + */ + function dsn_connect($dsn) + { + // Use persistent connections if available + $dbh = DB::connect($dsn, array('persistent' => $this->db_pconn)); - return $dbh; + if (DB::isError($dbh)) + { + $this->db_error = TRUE; + $this->db_error_msg = $dbh->getMessage(); + + raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, + 'message' => $this->db_error_msg), TRUE, FALSE); + + return FALSE; + } + + else if ($this->db_provider=='sqlite') + { + $dsn_array = DB::parseDSN($dsn); + if (!filesize($dsn_array['database']) && !empty($this->sqlite_initials)) + $this->_sqlite_create_database($dbh, $this->sqlite_initials); + } + + return $dbh; } - // Connect to appropiate databse - function db_connect ($mode) - { - $this->db_mode = $mode; - // Already connected - if ($this->db_connected) - { - // no replication, current connection is ok - if ($this->db_dsnw==$this->db_dsnr) return; + /** + * Connect to appropiate databse + * depending on the operation + * + * @param string Connection mode (r|w) + * @access public + */ + function db_connect($mode) + { + $this->db_mode = $mode; + + // Already connected + if ($this->db_connected) + { + // no replication, current connection is ok + if ($this->db_dsnw==$this->db_dsnr) + return; - // connected to master, current connection is ok - if ($this->db_mode=='w') return; + // connected to master, current connection is ok + if ($this->db_mode=='w') + return; - // Same mode, current connection is ok - if ($this->db_mode==$mode) return; - } - - if ($mode=='r') - $dsn=$this->db_dsnr; - else - $dsn=$this->db_dsnw; + // Same mode, current connection is ok + if ($this->db_mode==$mode) + return; + } + + if ($mode=='r') + $dsn = $this->db_dsnr; + else + $dsn = $this->db_dsnw; - $this->db_handle = $this->dsn_connect($dsn); - $this->db_connected = true; + $this->db_handle = $this->dsn_connect($dsn); + $this->db_connected = $this->db_handle ? TRUE : FALSE; } - - // Query database (read operations) - function query($query) + + /** + * Getter for error state + * + * @param boolean True on error + */ + function is_error() { - // Read or write ? - if (strtolower(trim(substr($query,0,6)))=='select') - $mode='r'; - else - $mode='w'; - - $this->db_connect($mode); + return $this->db_error ? $this->db_error_msg : FALSE; + } - if ($this->db_provider == 'sqlite') - $query = $this->_sqlite_prepare_query($query); - - $result = $this->db_handle->query($query); + + /** + * Execute a SQL query + * + * @param string SQL query to execute + * @param mixed Values to be inserted in query + * @return number Query handle identifier + * @access public + */ + function query() + { + $params = func_get_args(); + $query = array_shift($params); + + return $this->_query($query, 0, 0, $params); + } + + + /** + * Execute a SQL query with limits + * + * @param string SQL query to execute + * @param number Offset for LIMIT statement + * @param number Number of rows for LIMIT statement + * @param mixed Values to be inserted in query + * @return number Query handle identifier + * @access public + */ + function limitquery() + { + $params = func_get_args(); + $query = array_shift($params); + $offset = array_shift($params); + $numrows = array_shift($params); + + return $this->_query($query, $offset, $numrows, $params); + } + + + /** + * Execute a SQL query with limits + * + * @param string SQL query to execute + * @param number Offset for LIMIT statement + * @param number Number of rows for LIMIT statement + * @param array Values to be inserted in query + * @return number Query handle identifier + * @access private + */ + function _query($query, $offset, $numrows, $params) + { + // Read or write ? + if (strtolower(trim(substr($query,0,6)))=='select') + $mode='r'; + else + $mode='w'; + $this->db_connect($mode); + + if (!$this->db_connected) + return FALSE; + + if ($this->db_provider == 'sqlite') + $this->_sqlite_prepare(); + + if ($numrows || $offset) + $result = $this->db_handle->limitQuery($query,$offset,$numrows,$params); + else + $result = $this->db_handle->query($query, $params); + + // add result, even if it's an error + return $this->_add_result($result); + } + + + /** + * Get number of rows for a SQL query + * If no query handle is specified, the last query will be taken as reference + * + * @param number Optional query handle identifier + * @return mixed Number of rows or FALSE on failure + * @access public + */ + function num_rows($res_id=NULL) + { + if (!$this->db_handle) + return FALSE; + + if ($result = $this->_get_result($res_id)) + return $result->numRows(); + else + return FALSE; + } + + + /** + * Get number of affected rows fort he last query + * + * @return mixed Number of rows or FALSE on failure + * @access public + */ + function affected_rows() + { + if (!$this->db_handle) + return FALSE; + + return $this->db_handle->affectedRows(); + } + + + /** + * Get last inserted record ID + * For Postgres databases, a sequence name is required + * + * @param string Sequence name for increment + * @return mixed ID or FALSE on failure + * @access public + */ + function insert_id($sequence = '') + { + if (!$this->db_handle || $this->db_mode=='r') + return FALSE; + + switch($this->db_provider) + { + case 'pgsql': + $result = &$this->db_handle->getOne("SELECT CURRVAL('$sequence')"); + + case 'mssql': + $result = &$this->db_handle->getOne("SELECT @@IDENTITY"); + if (DB::isError($result)) - raise_error(array('code' => 500, - 'type' => 'db', - 'line' => __LINE__, - 'file' => __FILE__, - 'message' => $result->getMessage()), TRUE, FALSE); - - return $this->_add_result($result, $query); - } + raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, + 'message' => $result->getMessage()), TRUE, FALSE); - function db_execute ($query) - { - $this->db_connect('w'); - - if ($this->db_provider == 'sqlite') - $query = $this->_sqlite_prepare_query($query); - - $result = $this->db_handle->query($query); - - } - - function num_rows($res_id=NULL) - { - if (!$this->db_handle) - return FALSE; - - $result = $this->_get_result($res_id); - - if ($result) - return $result->numRows(); - else - return FALSE; - } - - function affected_rows($res_id=NULL) - { - if (!$this->db_handle) - return FALSE; - - return $this->db_handle->affectedRows(); - } - - function insert_id($sequence = '') - { - if (!$this->db_handle || $this->db_mode=='r') - return FALSE; - - switch($this->db_provider) - { - case 'pgsql': - // PostgreSQL uses sequences - $result =& $this->db_handle->getOne("SELECT CURRVAL('$sequence')"); - if (DB::isError($result)) { - raise_error( array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, - 'message' => $result->getMessage()), TRUE, TRUE); - } - return $result; + return $result; - case 'mysql': // This is unfortuneate - return mysql_insert_id(); + case 'mysql': // This is unfortuneate + return mysql_insert_id($this->db_handle->connection); - case 'sqlite': - return sqlite_last_insert_rowid($this->db_handle->connection); + case 'mysqli': + return mysqli_insert_id($this->db_handle->connection); + + case 'sqlite': + return sqlite_last_insert_rowid($this->db_handle->connection); - default: - die("portability issue with this database, please have the developer fix"); - } + default: + die("portability issue with this database, please have the developer fix"); + } } - function fetch_assoc($res_id=NULL) + /** + * Get an associative array for one row + * If no query handle is specified, the last query will be taken as reference + * + * @param number Optional query handle identifier + * @return mixed Array with col values or FALSE on failure + * @access public + */ + function fetch_assoc($res_id=NULL) { - $result = $this->_get_result($res_id); + $result = $this->_get_result($res_id); + return $this->_fetch_row($result, DB_FETCHMODE_ASSOC); + } - if (DB::isError($result)) - { - raise_error( array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, - 'message' => $this->db_link->getMessage()), TRUE, FALSE); - return FALSE; - } + + /** + * Get an index array for one row + * If no query handle is specified, the last query will be taken as reference + * + * @param number Optional query handle identifier + * @return mixed Array with col values or FALSE on failure + * @access public + */ + function fetch_array($res_id=NULL) + { + $result = $this->_get_result($res_id); + return $this->_fetch_row($result, DB_FETCHMODE_ORDERED); + } + + + /** + * Get co values for a result row + * + * @param object Query result handle + * @param number Fetch mode identifier + * @return mixed Array with col values or FALSE on failure + * @access private + */ + function _fetch_row($result, $mode) + { + if (DB::isError($result)) + { + raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, + 'message' => $this->db_link->getMessage()), TRUE, FALSE); + return FALSE; + } - return $result->fetchRow(DB_FETCHMODE_ASSOC); - } - - function _add_result($res, $query) - { - // sql error occured - if (DB::isError($res)) - { - raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, 'message' => $res->getMessage() . " Query: " . substr(preg_replace('/[\r\n]+\s*/', ' ', $query), 0, 1024)), TRUE, FALSE); - return FALSE; - } - else - { - $res_id = sizeof($this->a_query_results); - $this->a_query_results[$res_id] = $res; - $this->last_res_id = $res_id; - return $res_id; - } - } - - - function _get_result($res_id) - { - if ($res_id==NULL) - $res_id = $this->last_res_id; - - if ($res_id && isset($this->a_query_results[$res_id])) - return $this->a_query_results[$res_id]; - else - return FALSE; - } - - - // create a sqlite database from a file - function _sqlite_create_database($dbh, $fileName) - { - if (empty($fileName) || !is_string($fileName)) - return ; - - $data = ''; - if ($fd = fopen($fileName, 'r')) - { - $data = fread($fd, filesize($fileName)); - fclose($fd); - } - - if (strlen($data)) - sqlite_exec($dbh->connection, $data); - } - - // transform a query so that it is sqlite2 compliant - function _sqlite_prepare_query($query) - { - if (!is_string($query)) - return ($query); - - $search = array('/NOW\(\)/', - '/`/'); - $replace = array("datetime('now')", - '"'); - $query = preg_replace($search, $replace, $query); - - return ($query); + return $result->fetchRow($mode); } -} + + /** + * Formats input so it can be safely used in a query + * + * @param mixed Value to quote + * @return string Quoted/converted string for use in query + * @access public + */ + function quote($input) + { + // create DB handle if not available + if (!$this->db_handle) + $this->db_connect('r'); + + // escape pear identifier chars + $rep_chars = array('?' => '\?', + '!' => '\!', + '&' => '\&'); + + return $this->db_handle->quoteSmart(strtr($input, $rep_chars)); + } + + + /** + * Quotes a string so it can be safely used as a table or column name + * + * @param string Value to quote + * @return string Quoted string for use in query + * @deprecated Replaced by rcube_db::quote_identifier + * @see rcube_db::quote_identifier + * @access public + */ + function quoteIdentifier($str) + { + return $this->quote_identifier($str); + } + + + /** + * Quotes a string so it can be safely used as a table or column name + * + * @param string Value to quote + * @return string Quoted string for use in query + * @access public + */ + function quote_identifier($str) + { + if (!$this->db_handle) + $this->db_connect('r'); + + return $this->db_handle->quoteIdentifier($str); + } + + + /* + * Return SQL function for current time and date + * + * @return string SQL function to use in query + * @access public + */ + function now() + { + switch($this->db_provider) + { + case 'mssql': + return "getdate()"; + + default: + return "now()"; + } + } + + + /** + * Return SQL statement to convert a field value into a unix timestamp + * + * @param string Field name + * @return string SQL statement to use in query + * @access public + */ + function unixtimestamp($field) + { + switch($this->db_provider) + { + case 'pgsql': + return "EXTRACT (EPOCH FROM $field)"; + + case 'mssql': + return "datediff(s, '1970-01-01 00:00:00', $field)"; + + default: + return "UNIX_TIMESTAMP($field)"; + } + } + + + /** + * Return SQL statement to convert from a unix timestamp + * + * @param string Field name + * @return string SQL statement to use in query + * @access public + */ + function fromunixtime($timestamp) + { + switch($this->db_provider) + { + case 'mysqli': + case 'mysql': + case 'sqlite': + return sprintf("FROM_UNIXTIME(%d)", $timestamp); + + default: + return date("'Y-m-d H:i:s'", $timestamp); + } + } + + + /** + * Adds a query result and returns a handle ID + * + * @param object Query handle + * @return mixed Handle ID or FALE on failure + * @access private + */ + function _add_result($res) + { + // sql error occured + if (DB::isError($res)) + { + raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, + 'message' => $res->getMessage() . " Query: " . substr(preg_replace('/[\r\n]+\s*/', ' ', $res->userinfo), 0, 512)), TRUE, FALSE); + return FALSE; + } + else + { + $res_id = sizeof($this->a_query_results); + $this->a_query_results[$res_id] = $res; + $this->last_res_id = $res_id; + return $res_id; + } + } + + + /** + * Resolves a given handle ID and returns the according query handle + * If no ID is specified, the last ressource handle will be returned + * + * @param number Handle ID + * @return mixed Ressource handle or FALE on failure + * @access private + */ + function _get_result($res_id=NULL) + { + if ($res_id==NULL) + $res_id = $this->last_res_id; + + if ($res_id && isset($this->a_query_results[$res_id])) + return $this->a_query_results[$res_id]; + else + return FALSE; + } + + + /** + * Create a sqlite database from a file + * + * @param object SQLite database handle + * @param string File path to use for DB creation + * @access private + */ + function _sqlite_create_database($dbh, $file_name) + { + if (empty($file_name) || !is_string($file_name)) + return; + + $data = ''; + if ($fd = fopen($file_name, 'r')) + { + $data = fread($fd, filesize($file_name)); + fclose($fd); + } + + if (strlen($data)) + sqlite_exec($dbh->connection, $data); + } + + + /** + * Add some proprietary database functions to the current SQLite handle + * in order to make it MySQL compatible + * + * @access private + */ + function _sqlite_prepare() + { + include_once('include/rcube_sqlite.inc'); + + // we emulate via callback some missing MySQL function + sqlite_create_function($this->db_handle->connection, "from_unixtime", "rcube_sqlite_from_unixtime"); + sqlite_create_function($this->db_handle->connection, "unix_timestamp", "rcube_sqlite_unix_timestamp"); + sqlite_create_function($this->db_handle->connection, "now", "rcube_sqlite_now"); + sqlite_create_function($this->db_handle->connection, "md5", "rcube_sqlite_md5"); + } + + + } // end class rcube_db ?> \ No newline at end of file -- Gitblit v1.9.1