/
adodb-active-recordx.inc.php
1477 lines (1319 loc) · 38.1 KB
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adodb-active-recordx.inc.php
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<?php
/**
* Active Record implementation. Superset of Zend Framework's.
*
* This is "Active Record eXtended" to support JOIN, WORK and LAZY mode
*
* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
*
* @package ADOdb
* @link https://adodb.org Project's web site and documentation
* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
*
* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
* any later version. This means you can use it in proprietary products.
* See the LICENSE.md file distributed with this source code for details.
* @license BSD-3-Clause
* @license LGPL-2.1-or-later
*
* @copyright 2000-2013 John Lim
* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
*/
// CFR: Active Records Definitions
define('ADODB_JOIN_AR', 0x01);
define('ADODB_WORK_AR', 0x02);
define('ADODB_LAZY_AR', 0x03);
global $_ADODB_ACTIVE_DBS;
global $ADODB_ACTIVE_CACHESECS; // set to true to enable caching of metadata such as field info
global $ACTIVE_RECORD_SAFETY; // set to false to disable safety checks
global $ADODB_ACTIVE_DEFVALS; // use default values of table definition when creating new active record.
// array of ADODB_Active_DB's, indexed by ADODB_Active_Record->_dbat
$_ADODB_ACTIVE_DBS = array();
$ACTIVE_RECORD_SAFETY = true; // CFR: disabled while playing with relations
$ADODB_ACTIVE_DEFVALS = false;
class ADODB_Active_DB
{
var $db; // ADOConnection
var $tables; // assoc array of ADODB_Active_Table objects, indexed by tablename
}
class ADODB_Active_Table
{
var $name; // table name
var $flds; // assoc array of adofieldobjs, indexed by fieldname
var $keys; // assoc array of primary keys, indexed by fieldname
var $_created; // only used when stored as a cached file
var $_belongsTo = array();
var $_hasMany = array();
var $_colsCount; // total columns count, including relations
function updateColsCount()
{
$this->_colsCount = sizeof($this->flds);
foreach ($this->_belongsTo as $foreignTable)
$this->_colsCount += sizeof($foreignTable->TableInfo()->flds);
foreach ($this->_hasMany as $foreignTable)
$this->_colsCount += sizeof($foreignTable->TableInfo()->flds);
}
}
// returns index into $_ADODB_ACTIVE_DBS
function ADODB_SetDatabaseAdapter(&$db)
{
global $_ADODB_ACTIVE_DBS;
foreach ($_ADODB_ACTIVE_DBS as $k => $d) {
if ($d->db === $db) {
return $k;
}
}
$obj = new ADODB_Active_DB();
$obj->db = $db;
$obj->tables = array();
$_ADODB_ACTIVE_DBS[] = $obj;
return sizeof($_ADODB_ACTIVE_DBS) - 1;
}
class ADODB_Active_Record
{
static $_changeNames = true; // dynamically pluralize table names
static $_foreignSuffix = '_id'; //
var $_dbat; // associative index pointing to ADODB_Active_DB eg. $ADODB_Active_DBS[_dbat]
var $_table; // tablename, if set in class definition then use it as table name
var $_sTable; // singularized table name
var $_pTable; // pluralized table name
var $_tableat; // associative index pointing to ADODB_Active_Table, eg $ADODB_Active_DBS[_dbat]->tables[$this->_tableat]
var $_where; // where clause set in Load()
var $_saved = false; // indicates whether data is already inserted.
var $_lasterr = false; // last error message
var $_original = false; // the original values loaded or inserted, refreshed on update
var $foreignName; // CFR: class name when in a relationship
static function UseDefaultValues($bool = null)
{
global $ADODB_ACTIVE_DEFVALS;
if (isset($bool)) {
$ADODB_ACTIVE_DEFVALS = $bool;
}
return $ADODB_ACTIVE_DEFVALS;
}
// should be static
static function SetDatabaseAdapter(&$db)
{
return ADODB_SetDatabaseAdapter($db);
}
public function __set($name, $value)
{
$name = str_replace(' ', '_', $name);
$this->$name = $value;
}
// php5 constructor
// Note: if $table is defined, then we will use it as our table name
// Otherwise we will use our classname...
// In our database, table names are pluralized (because there can be
// more than one row!)
// Similarly, if $table is defined here, it has to be plural form.
//
// $options is an array that allows us to tweak the constructor's behaviour
// if $options['refresh'] is true, we re-scan our metadata information
// if $options['new'] is true, we forget all relations
function __construct($table = false, $pkeyarr = false, $db = false, $options = array())
{
global $_ADODB_ACTIVE_DBS;
if ($db == false && is_object($pkeyarr)) {
$db = $pkeyarr;
$pkeyarr = false;
}
if ($table) {
// table argument exists. It is expected to be
// already plural form.
$this->_pTable = $table;
$this->_sTable = $this->_singularize($this->_pTable);
} else {
// We will use current classname as table name.
// We need to pluralize it for the real table name.
$this->_sTable = strtolower(get_class($this));
$this->_pTable = $this->_pluralize($this->_sTable);
}
$this->_table = &$this->_pTable;
$this->foreignName = $this->_sTable; // CFR: default foreign name (singular)
if ($db) {
$this->_dbat = ADODB_Active_Record::SetDatabaseAdapter($db);
} else
$this->_dbat = sizeof($_ADODB_ACTIVE_DBS) - 1;
if ($this->_dbat < 0) {
$this->Error(
"No database connection set; use ADOdb_Active_Record::SetDatabaseAdapter(\$db)",
'ADODB_Active_Record::__constructor'
);
}
$this->_tableat = $this->_table; # reserved for setting the assoc value to a non-table name, eg. the sql string in future
// CFR: Just added this option because UpdateActiveTable() can refresh its information
// but there was no way to ask it to do that.
$forceUpdate = (isset($options['refresh']) && true === $options['refresh']);
$this->UpdateActiveTable($pkeyarr, $forceUpdate);
if (isset($options['new']) && true === $options['new']) {
$table =& $this->TableInfo();
unset($table->_hasMany);
unset($table->_belongsTo);
$table->_hasMany = array();
$table->_belongsTo = array();
}
}
function __wakeup()
{
$class = get_class($this);
new $class;
}
// CFR: Constants found in Rails
static $IrregularP = array(
'PERSON' => 'people',
'MAN' => 'men',
'WOMAN' => 'women',
'CHILD' => 'children',
'COW' => 'kine',
);
static $IrregularS = array(
'PEOPLE' => 'PERSON',
'MEN' => 'man',
'WOMEN' => 'woman',
'CHILDREN' => 'child',
'KINE' => 'cow',
);
static $WeIsI = array(
'EQUIPMENT' => true,
'INFORMATION' => true,
'RICE' => true,
'MONEY' => true,
'SPECIES' => true,
'SERIES' => true,
'FISH' => true,
'SHEEP' => true,
);
function _pluralize($table)
{
if (!ADODB_Active_Record::$_changeNames) {
return $table;
}
$ut = strtoupper($table);
if (isset(self::$WeIsI[$ut])) {
return $table;
}
if (isset(self::$IrregularP[$ut])) {
return self::$IrregularP[$ut];
}
$len = strlen($table);
$lastc = $ut[$len - 1];
$lastc2 = substr($ut, $len - 2);
switch ($lastc) {
case 'S':
return $table . 'es';
case 'Y':
return substr($table, 0, $len - 1) . 'ies';
case 'X':
return $table . 'es';
case 'H':
if ($lastc2 == 'CH' || $lastc2 == 'SH') {
return $table . 'es';
}
default:
return $table . 's';
}
}
// CFR Lamest singular inflector ever - @todo Make it real!
// Note: There is an assumption here...and it is that the argument's length >= 4
function _singularize($table)
{
if (!ADODB_Active_Record::$_changeNames) {
return $table;
}
$ut = strtoupper($table);
if (isset(self::$WeIsI[$ut])) {
return $table;
}
if (isset(self::$IrregularS[$ut])) {
return self::$IrregularS[$ut];
}
$len = strlen($table);
if ($ut[$len - 1] != 'S') {
return $table; // I know...forget oxen
}
if ($ut[$len - 2] != 'E') {
return substr($table, 0, $len - 1);
}
switch ($ut[$len - 3]) {
case 'S':
case 'X':
return substr($table, 0, $len - 2);
case 'I':
return substr($table, 0, $len - 3) . 'y';
case 'H';
if ($ut[$len - 4] == 'C' || $ut[$len - 4] == 'S') {
return substr($table, 0, $len - 2);
}
default:
return substr($table, 0, $len - 1); // ?
}
}
/*
* ar->foreignName will contain the name of the tables associated with this table because
* these other tables' rows may also be referenced by this table using theirname_id or the provided
* foreign keys (this index name is stored in ar->foreignKey)
*
* this-table.id = other-table-#1.this-table_id
* = other-table-#2.this-table_id
*/
function hasMany($foreignRef, $foreignKey = false)
{
$ar = new ADODB_Active_Record($foreignRef);
$ar->foreignName = $foreignRef;
$ar->UpdateActiveTable();
$ar->foreignKey = ($foreignKey) ? $foreignKey : strtolower(get_class($this)) . self::$_foreignSuffix;
$table =& $this->TableInfo();
if (!isset($table->_hasMany[$foreignRef])) {
$table->_hasMany[$foreignRef] = $ar;
$table->updateColsCount();
}
# @todo Can I make this guy be lazy?
$this->$foreignRef = $table->_hasMany[$foreignRef]; // WATCHME Removed assignment by ref. to please __get()
}
/**
* ar->foreignName will contain the name of the tables associated with this table because
* this table's rows may also be referenced by those tables using thistable_id or the provided
* foreign keys (this index name is stored in ar->foreignKey)
*
* this-table.other-table_id = other-table.id
*/
function belongsTo($foreignRef, $foreignKey = false)
{
global $inflector;
$ar = new ADODB_Active_Record($this->_pluralize($foreignRef));
$ar->foreignName = $foreignRef;
$ar->UpdateActiveTable();
$ar->foreignKey = ($foreignKey) ? $foreignKey : $ar->foreignName . self::$_foreignSuffix;
$table =& $this->TableInfo();
if (!isset($table->_belongsTo[$foreignRef])) {
$table->_belongsTo[$foreignRef] = $ar;
$table->updateColsCount();
}
$this->$foreignRef = $table->_belongsTo[$foreignRef];
}
/**
* __get Access properties - used for lazy loading
*
* @param mixed $name
* @access protected
* @return void
*/
function __get($name)
{
return $this->LoadRelations($name, '', -1. - 1);
}
function LoadRelations($name, $whereOrderBy, $offset = -1, $limit = -1)
{
$extras = array();
if ($offset >= 0) {
$extras['offset'] = $offset;
}
if ($limit >= 0) {
$extras['limit'] = $limit;
}
$table =& $this->TableInfo();
if (strlen($whereOrderBy)) {
if (!preg_match('/^[ \n\r]*AND/i', $whereOrderBy)) {
if (!preg_match('/^[ \n\r]*ORDER[ \n\r]/i', $whereOrderBy)) {
$whereOrderBy = 'AND ' . $whereOrderBy;
}
}
}
if (!empty($table->_belongsTo[$name])) {
$obj = $table->_belongsTo[$name];
$columnName = $obj->foreignKey;
if (empty($this->$columnName)) {
$this->$name = null;
} else {
if (($k = reset($obj->TableInfo()->keys))) {
$belongsToId = $k;
} else {
$belongsToId = 'id';
}
$arrayOfOne =
$obj->Find(
$belongsToId . '=' . $this->$columnName . ' ' . $whereOrderBy, false, false, $extras);
$this->$name = $arrayOfOne[0];
}
return $this->$name;
}
if (!empty($table->_hasMany[$name])) {
$obj = $table->_hasMany[$name];
if (($k = reset($table->keys))) {
$hasManyId = $k;
} else {
$hasManyId = 'id';
}
$this->$name =
$obj->Find(
$obj->foreignKey . '=' . $this->$hasManyId . ' ' . $whereOrderBy, false, false, $extras);
return $this->$name;
}
}
//////////////////////////////////
// update metadata
function UpdateActiveTable($pkeys = false, $forceUpdate = false)
{
global $_ADODB_ACTIVE_DBS, $ADODB_CACHE_DIR, $ADODB_ACTIVE_CACHESECS;
global $ADODB_ACTIVE_DEFVALS, $ADODB_FETCH_MODE;
$activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
$table = $this->_table;
$tables = $activedb->tables;
$tableat = $this->_tableat;
if (!$forceUpdate && !empty($tables[$tableat])) {
$tobj = $tables[$tableat];
foreach ($tobj->flds as $name => $fld) {
if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value)) {
$this->$name = $fld->default_value;
} else {
$this->$name = null;
}
}
return;
}
$db = $activedb->db;
$fname = $ADODB_CACHE_DIR . '/adodb_' . $db->databaseType . '_active_' . $table . '.cache';
if (!$forceUpdate && $ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR && file_exists($fname)) {
$fp = fopen($fname, 'r');
@flock($fp, LOCK_SH);
$acttab = unserialize(fread($fp, 100000));
fclose($fp);
if ($acttab->_created + $ADODB_ACTIVE_CACHESECS - (abs(rand()) % 16) > time()) {
// abs(rand()) randomizes deletion, reducing contention to delete/refresh file
// ideally, you should cache at least 32 secs
$activedb->tables[$table] = $acttab;
//if ($db->debug) ADOConnection::outp("Reading cached active record file: $fname");
return;
} else if ($db->debug) {
ADOConnection::outp("Refreshing cached active record file: $fname");
}
}
$activetab = new ADODB_Active_Table();
$activetab->name = $table;
$save = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
if ($db->fetchMode !== false) {
$savem = $db->SetFetchMode(false);
}
$cols = $db->MetaColumns($table);
if (isset($savem)) {
$db->SetFetchMode($savem);
}
$ADODB_FETCH_MODE = $save;
if (!$cols) {
$this->Error("Invalid table name: $table", 'UpdateActiveTable');
return false;
}
$fld = reset($cols);
if (!$pkeys) {
if (isset($fld->primary_key)) {
$pkeys = array();
foreach ($cols as $name => $fld) {
if (!empty($fld->primary_key)) {
$pkeys[] = $name;
}
}
} else {
$pkeys = $this->GetPrimaryKeys($db, $table);
}
}
if (empty($pkeys)) {
$this->Error("No primary key found for table $table", 'UpdateActiveTable');
return false;
}
$attr = array();
$keys = array();
switch (ADODB_ASSOC_CASE) {
case ADODB_ASSOC_CASE_LOWER:
foreach ($cols as $name => $fldobj) {
$name = strtolower($name);
if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) {
$this->$name = $fldobj->default_value;
} else {
$this->$name = null;
}
$attr[$name] = $fldobj;
}
foreach ($pkeys as $k => $name) {
$keys[strtolower($name)] = strtolower($name);
}
break;
case ADODB_ASSOC_CASE_UPPER:
foreach ($cols as $name => $fldobj) {
$name = strtoupper($name);
if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) {
$this->$name = $fldobj->default_value;
} else {
$this->$name = null;
}
$attr[$name] = $fldobj;
}
foreach ($pkeys as $k => $name) {
$keys[strtoupper($name)] = strtoupper($name);
}
break;
default:
foreach ($cols as $name => $fldobj) {
$name = ($fldobj->name);
if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) {
$this->$name = $fldobj->default_value;
} else {
$this->$name = null;
}
$attr[$name] = $fldobj;
}
foreach ($pkeys as $k => $name) {
$keys[$name] = $cols[$name]->name;
}
break;
}
$activetab->keys = $keys;
$activetab->flds = $attr;
$activetab->updateColsCount();
if ($ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR) {
$activetab->_created = time();
$s = serialize($activetab);
if (!function_exists('adodb_write_file')) {
include_once(ADODB_DIR . '/adodb-csvlib.inc.php');
}
adodb_write_file($fname, $s);
}
if (isset($activedb->tables[$table])) {
$oldtab = $activedb->tables[$table];
if ($oldtab) {
$activetab->_belongsTo = $oldtab->_belongsTo;
$activetab->_hasMany = $oldtab->_hasMany;
}
}
$activedb->tables[$table] = $activetab;
}
function GetPrimaryKeys(&$db, $table)
{
return $db->MetaPrimaryKeys($table);
}
// error handler for both PHP4+5.
function Error($err, $fn)
{
global $_ADODB_ACTIVE_DBS;
$fn = get_class($this) . '::' . $fn;
$this->_lasterr = $fn . ': ' . $err;
if ($this->_dbat < 0) {
$db = false;
} else {
$activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
$db = $activedb->db;
}
if (function_exists('adodb_throw')) {
if (!$db) {
adodb_throw('ADOdb_Active_Record', $fn, -1, $err, 0, 0, false);
} else {
adodb_throw($db->databaseType, $fn, -1, $err, 0, 0, $db);
}
} else {
if (!$db || $db->debug) {
ADOConnection::outp($this->_lasterr);
}
}
}
// return last error message
function ErrorMsg()
{
if (!function_exists('adodb_throw')) {
if ($this->_dbat < 0) {
$db = false;
} else {
$db = $this->DB();
}
// last error could be database error too
if ($db && $db->ErrorMsg()) {
return $db->ErrorMsg();
}
}
return $this->_lasterr;
}
function ErrorNo()
{
if ($this->_dbat < 0) {
return -9999; // no database connection...
}
$db = $this->DB();
return (int)$db->ErrorNo();
}
// retrieve ADOConnection from _ADODB_Active_DBs
function DB()
{
global $_ADODB_ACTIVE_DBS;
if ($this->_dbat < 0) {
$false = false;
$this->Error("No database connection set: use ADOdb_Active_Record::SetDatabaseAdaptor(\$db)", "DB");
return $false;
}
$activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
$db = $activedb->db;
return $db;
}
// retrieve ADODB_Active_Table
function &TableInfo()
{
global $_ADODB_ACTIVE_DBS;
$activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
$table = $activedb->tables[$this->_tableat];
return $table;
}
// I have an ON INSERT trigger on a table that sets other columns in the table.
// So, I find that for myTable, I want to reload an active record after saving it. -- Malcolm Cook
function Reload()
{
$db = $this->DB();
if (!$db) {
return false;
}
$table = $this->TableInfo();
$where = $this->GenWhere($db, $table);
return ($this->Load($where));
}
// set a numeric array (using natural table field ordering) as object properties
function Set(&$row)
{
global $ACTIVE_RECORD_SAFETY;
$db = $this->DB();
if (!$row) {
$this->_saved = false;
return false;
}
$this->_saved = true;
$table = $this->TableInfo();
$sizeofFlds = sizeof($table->flds);
$sizeofRow = sizeof($row);
if ($ACTIVE_RECORD_SAFETY && $table->_colsCount != $sizeofRow && $sizeofFlds != $sizeofRow) {
# <AP>
$bad_size = TRUE;
if ($sizeofRow == 2 * $table->_colsCount || $sizeofRow == 2 * $sizeofFlds) {
// Only keep string keys
$keys = array_filter(array_keys($row), 'is_string');
if (sizeof($keys) == sizeof($table->flds)) {
$bad_size = FALSE;
}
}
if ($bad_size) {
$this->Error("Table structure of $this->_table has changed", "Load");
return false;
}
# </AP>
} else {
$keys = array_keys($row);
}
# <AP>
reset($keys);
$this->_original = array();
foreach ($table->flds as $name => $fld) {
$value = $row[current($keys)];
$this->$name = $value;
$this->_original[] = $value;
if (!next($keys)) {
break;
}
}
$table =& $this->TableInfo();
foreach ($table->_belongsTo as $foreignTable) {
$ft = $foreignTable->TableInfo();
$propertyName = $ft->name;
foreach ($ft->flds as $name => $fld) {
$value = $row[current($keys)];
$foreignTable->$name = $value;
$foreignTable->_original[] = $value;
if (!next($keys)) {
break;
}
}
}
foreach ($table->_hasMany as $foreignTable) {
$ft = $foreignTable->TableInfo();
foreach ($ft->flds as $name => $fld) {
$value = $row[current($keys)];
$foreignTable->$name = $value;
$foreignTable->_original[] = $value;
if (!next($keys)) {
break;
}
}
}
# </AP>
return true;
}
// get last inserted id for INSERT
function LastInsertID(&$db, $fieldname)
{
if ($db->hasInsertID) {
$val = $db->Insert_ID($this->_table, $fieldname);
} else {
$val = false;
}
if (is_null($val) || $val === false) {
// this might not work reliably in multi-user environment
return $db->GetOne("select max(" . $fieldname . ") from " . $this->_table);
}
return $val;
}
// quote data in where clause
function doquote(&$db, $val, $t)
{
switch ($t) {
case 'D':
case 'T':
if (empty($val)) {
return 'null';
}
case 'C':
case 'X':
if (is_null($val)) {
return 'null';
}
if (strlen($val) > 0 &&
(strncmp($val, "'", 1) != 0 || substr($val, strlen($val) - 1, 1) != "'")
) {
return $db->qstr($val);
}
default:
return $val;
}
}
// generate where clause for an UPDATE/SELECT
function GenWhere(&$db, &$table)
{
$keys = $table->keys;
$parr = array();
foreach ($keys as $k) {
$f = $table->flds[$k];
if ($f) {
$parr[] = $k . ' = ' . $this->doquote($db, $this->$k, $db->MetaType($f->type));
}
}
return implode(' and ', $parr);
}
//------------------------------------------------------------ Public functions below
function Load($where = null, $bindarr = false)
{
$db = $this->DB();
if (!$db) {
return false;
}
$this->_where = $where;
$save = $db->SetFetchMode(ADODB_FETCH_NUM);
$qry = "select * from " . $this->_table;
$table = $this->TableInfo();
if (($k = reset($table->keys))) {
$hasManyId = $k;
} else {
$hasManyId = 'id';
}
foreach ($table->_belongsTo as $foreignTable) {
if (($k = reset($foreignTable->TableInfo()->keys))) {
$belongsToId = $k;
} else {
$belongsToId = 'id';
}
$qry .= ' LEFT JOIN ' . $foreignTable->_table . ' ON ' .
$this->_table . '.' . $foreignTable->foreignKey . '=' .
$foreignTable->_table . '.' . $belongsToId;
}
foreach ($table->_hasMany as $foreignTable) {
$qry .= ' LEFT JOIN ' . $foreignTable->_table . ' ON ' .
$this->_table . '.' . $hasManyId . '=' .
$foreignTable->_table . '.' . $foreignTable->foreignKey;
}
if ($where) {
$qry .= ' WHERE ' . $where;
}
// Simple case: no relations. Load row and return.
if ((count($table->_hasMany) + count($table->_belongsTo)) < 1) {
$row = $db->GetRow($qry, $bindarr);
if (!$row) {
return false;
}
$db->SetFetchMode($save);
return $this->Set($row);
}
// More complex case when relations have to be collated
$rows = $db->GetAll($qry, $bindarr);
if (!$rows) {
return false;
}
$db->SetFetchMode($save);
if (count($rows) < 1) {
return false;
}
$class = get_class($this);
$isFirstRow = true;
if (($k = reset($this->TableInfo()->keys))) {
$myId = $k;
} else {
$myId = 'id';
}
$index = 0;
$found = false;
/** @todo Improve by storing once and for all in table metadata */
/** @todo Also re-use info for hasManyId */
foreach ($this->TableInfo()->flds as $fld) {
if ($fld->name == $myId) {
$found = true;
break;
}
$index++;
}
if (!$found) {
$this->outp_throw("Unable to locate key $myId for $class in Load()", 'Load');
}
foreach ($rows as $row) {
$rowId = intval($row[$index]);
if ($rowId > 0) {
if ($isFirstRow) {
$isFirstRow = false;
if (!$this->Set($row)) {
return false;
}
}
$obj = new $class($table, false, $db);
$obj->Set($row);
// TODO Copy/paste code below: bad!
if (count($table->_hasMany) > 0) {
foreach ($table->_hasMany as $foreignTable) {
$foreignName = $foreignTable->foreignName;
if (!empty($obj->$foreignName)) {
if (!is_array($this->$foreignName)) {
$foreignObj = $this->$foreignName;
$this->$foreignName = array(clone($foreignObj));
} else {
$foreignObj = $obj->$foreignName;
array_push($this->$foreignName, clone($foreignObj));
}
}
}
}
if (count($table->_belongsTo) > 0) {
foreach ($table->_belongsTo as $foreignTable) {
$foreignName = $foreignTable->foreignName;
if (!empty($obj->$foreignName)) {
if (!is_array($this->$foreignName)) {
$foreignObj = $this->$foreignName;
$this->$foreignName = array(clone($foreignObj));
} else {
$foreignObj = $obj->$foreignName;
array_push($this->$foreignName, clone($foreignObj));
}
}
}
}
}
}
return true;
}
// false on error
function Save()
{
if ($this->_saved) {
$ok = $this->Update();
} else {
$ok = $this->Insert();
}
return $ok;
}
// CFR: Sometimes we may wish to consider that an object is not to be replaced but inserted.
// Sample use case: an 'undo' command object (after a delete())
function Dirty()
{
$this->_saved = false;
}
// false on error
function Insert()
{
$db = $this->DB();
if (!$db) {
return false;
}
$cnt = 0;
$table = $this->TableInfo();
$valarr = array();
$names = array();
$valstr = array();
foreach ($table->flds as $name => $fld) {
$val = $this->$name;
if (!is_null($val) || !array_key_exists($name, $table->keys)) {
$valarr[] = $val;
$names[] = $name;
$valstr[] = $db->Param($cnt);
$cnt += 1;
}
}
if (empty($names)) {
foreach ($table->flds as $name => $fld) {
$valarr[] = null;
$names[] = $name;
$valstr[] = $db->Param($cnt);
$cnt += 1;
}
}
$sql = 'INSERT INTO ' . $this->_table . "(" . implode(',', $names) . ') VALUES (' . implode(',', $valstr) . ')';
$ok = $db->Execute($sql, $valarr);
if ($ok) {
$this->_saved = true;
$autoinc = false;
foreach ($table->keys as $k) {
if (is_null($this->$k)) {
$autoinc = true;
break;
}
}
if ($autoinc && sizeof($table->keys) == 1) {
$k = reset($table->keys);
$this->$k = $this->LastInsertID($db, $k);
}
}
$this->_original = $valarr;
return !empty($ok);
}
function Delete()
{
$db = $this->DB();
if (!$db) {
return false;
}
$table = $this->TableInfo();