1422 lines
38 KiB
PHP
1422 lines
38 KiB
PHP
<?php
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/*
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@version V5.06 29 Sept 2008 (c) 2000-2010 John Lim (jlim#natsoft.com). All rights reserved.
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Latest version is available at http://adodb.sourceforge.net
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Active Record implementation. Superset of Zend Framework's.
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This is "Active Record eXtended" to support JOIN, WORK and LAZY mode by Chris Ravenscroft chris#voilaweb.com
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Version 0.9
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See http://www-128.ibm.com/developerworks/java/library/j-cb03076/?ca=dgr-lnxw01ActiveRecord
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for info on Ruby on Rails Active Record implementation
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*/
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// CFR: Active Records Definitions
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define('ADODB_JOIN_AR', 0x01);
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define('ADODB_WORK_AR', 0x02);
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define('ADODB_LAZY_AR', 0x03);
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global $_ADODB_ACTIVE_DBS;
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global $ADODB_ACTIVE_CACHESECS; // set to true to enable caching of metadata such as field info
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global $ACTIVE_RECORD_SAFETY; // set to false to disable safety checks
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global $ADODB_ACTIVE_DEFVALS; // use default values of table definition when creating new active record.
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// array of ADODB_Active_DB's, indexed by ADODB_Active_Record->_dbat
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$_ADODB_ACTIVE_DBS = array();
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$ACTIVE_RECORD_SAFETY = true; // CFR: disabled while playing with relations
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$ADODB_ACTIVE_DEFVALS = false;
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class ADODB_Active_DB {
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var $db; // ADOConnection
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var $tables; // assoc array of ADODB_Active_Table objects, indexed by tablename
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}
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class ADODB_Active_Table {
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var $name; // table name
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var $flds; // assoc array of adofieldobjs, indexed by fieldname
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var $keys; // assoc array of primary keys, indexed by fieldname
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var $_created; // only used when stored as a cached file
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var $_belongsTo = array();
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var $_hasMany = array();
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var $_colsCount; // total columns count, including relations
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function updateColsCount()
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{
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$this->_colsCount = sizeof($this->flds);
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foreach($this->_belongsTo as $foreignTable)
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$this->_colsCount += sizeof($foreignTable->TableInfo()->flds);
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foreach($this->_hasMany as $foreignTable)
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$this->_colsCount += sizeof($foreignTable->TableInfo()->flds);
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}
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}
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// returns index into $_ADODB_ACTIVE_DBS
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function ADODB_SetDatabaseAdapter(&$db)
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{
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global $_ADODB_ACTIVE_DBS;
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foreach($_ADODB_ACTIVE_DBS as $k => $d) {
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if (PHP_VERSION >= 5) {
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if ($d->db === $db) return $k;
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} else {
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if ($d->db->_connectionID === $db->_connectionID && $db->database == $d->db->database)
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return $k;
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}
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}
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$obj = new ADODB_Active_DB();
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$obj->db = $db;
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$obj->tables = array();
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$_ADODB_ACTIVE_DBS[] = $obj;
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return sizeof($_ADODB_ACTIVE_DBS)-1;
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}
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class ADODB_Active_Record {
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static $_changeNames = true; // dynamically pluralize table names
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static $_foreignSuffix = '_id'; //
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var $_dbat; // associative index pointing to ADODB_Active_DB eg. $ADODB_Active_DBS[_dbat]
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var $_table; // tablename, if set in class definition then use it as table name
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var $_sTable; // singularized table name
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var $_pTable; // pluralized table name
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var $_tableat; // associative index pointing to ADODB_Active_Table, eg $ADODB_Active_DBS[_dbat]->tables[$this->_tableat]
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var $_where; // where clause set in Load()
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var $_saved = false; // indicates whether data is already inserted.
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var $_lasterr = false; // last error message
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var $_original = false; // the original values loaded or inserted, refreshed on update
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var $foreignName; // CFR: class name when in a relationship
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static function UseDefaultValues($bool=null)
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{
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global $ADODB_ACTIVE_DEFVALS;
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if (isset($bool)) $ADODB_ACTIVE_DEFVALS = $bool;
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return $ADODB_ACTIVE_DEFVALS;
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}
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// should be static
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static function SetDatabaseAdapter(&$db)
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{
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return ADODB_SetDatabaseAdapter($db);
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}
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public function __set($name, $value)
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{
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$name = str_replace(' ', '_', $name);
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$this->$name = $value;
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}
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// php5 constructor
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// Note: if $table is defined, then we will use it as our table name
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// Otherwise we will use our classname...
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// In our database, table names are pluralized (because there can be
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// more than one row!)
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// Similarly, if $table is defined here, it has to be plural form.
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//
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// $options is an array that allows us to tweak the constructor's behaviour
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// if $options['refresh'] is true, we re-scan our metadata information
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// if $options['new'] is true, we forget all relations
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function __construct($table = false, $pkeyarr=false, $db=false, $options=array())
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{
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global $ADODB_ASSOC_CASE,$_ADODB_ACTIVE_DBS;
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if ($db == false && is_object($pkeyarr)) {
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$db = $pkeyarr;
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$pkeyarr = false;
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}
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if($table)
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{
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// table argument exists. It is expected to be
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// already plural form.
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$this->_pTable = $table;
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$this->_sTable = $this->_singularize($this->_pTable);
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}
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else
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{
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// We will use current classname as table name.
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// We need to pluralize it for the real table name.
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$this->_sTable = strtolower(get_class($this));
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$this->_pTable = $this->_pluralize($this->_sTable);
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}
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$this->_table = &$this->_pTable;
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$this->foreignName = $this->_sTable; // CFR: default foreign name (singular)
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if ($db) {
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$this->_dbat = ADODB_Active_Record::SetDatabaseAdapter($db);
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} else
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$this->_dbat = sizeof($_ADODB_ACTIVE_DBS)-1;
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if ($this->_dbat < 0) $this->Error("No database connection set; use ADOdb_Active_Record::SetDatabaseAdapter(\$db)",'ADODB_Active_Record::__constructor');
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$this->_tableat = $this->_table; # reserved for setting the assoc value to a non-table name, eg. the sql string in future
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// CFR: Just added this option because UpdateActiveTable() can refresh its information
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// but there was no way to ask it to do that.
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$forceUpdate = (isset($options['refresh']) && true === $options['refresh']);
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$this->UpdateActiveTable($pkeyarr, $forceUpdate);
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if(isset($options['new']) && true === $options['new'])
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{
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$table =& $this->TableInfo();
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unset($table->_hasMany);
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unset($table->_belongsTo);
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$table->_hasMany = array();
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$table->_belongsTo = array();
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}
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}
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function __wakeup()
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{
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$class = get_class($this);
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new $class;
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}
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// CFR: Constants found in Rails
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static $IrregularP = array(
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'PERSON' => 'people',
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'MAN' => 'men',
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'WOMAN' => 'women',
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'CHILD' => 'children',
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'COW' => 'kine',
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);
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static $IrregularS = array(
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'PEOPLE' => 'PERSON',
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'MEN' => 'man',
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'WOMEN' => 'woman',
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'CHILDREN' => 'child',
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'KINE' => 'cow',
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);
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static $WeIsI = array(
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'EQUIPMENT' => true,
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'INFORMATION' => true,
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'RICE' => true,
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'MONEY' => true,
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'SPECIES' => true,
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'SERIES' => true,
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'FISH' => true,
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'SHEEP' => true,
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);
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function _pluralize($table)
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{
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if (!ADODB_Active_Record::$_changeNames) return $table;
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$ut = strtoupper($table);
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if(isset(self::$WeIsI[$ut]))
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{
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return $table;
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}
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if(isset(self::$IrregularP[$ut]))
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{
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return self::$IrregularP[$ut];
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}
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$len = strlen($table);
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$lastc = $ut[$len-1];
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$lastc2 = substr($ut,$len-2);
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switch ($lastc) {
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case 'S':
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return $table.'es';
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case 'Y':
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return substr($table,0,$len-1).'ies';
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case 'X':
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return $table.'es';
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case 'H':
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if ($lastc2 == 'CH' || $lastc2 == 'SH')
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return $table.'es';
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default:
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return $table.'s';
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}
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}
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// CFR Lamest singular inflector ever - @todo Make it real!
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// Note: There is an assumption here...and it is that the argument's length >= 4
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function _singularize($table)
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{
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if (!ADODB_Active_Record::$_changeNames) return $table;
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$ut = strtoupper($table);
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if(isset(self::$WeIsI[$ut]))
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{
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return $table;
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}
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if(isset(self::$IrregularS[$ut]))
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{
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return self::$IrregularS[$ut];
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}
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$len = strlen($table);
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if($ut[$len-1] != 'S')
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return $table; // I know...forget oxen
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if($ut[$len-2] != 'E')
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return substr($table, 0, $len-1);
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switch($ut[$len-3])
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{
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case 'S':
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case 'X':
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return substr($table, 0, $len-2);
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case 'I':
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return substr($table, 0, $len-3) . 'y';
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case 'H';
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if($ut[$len-4] == 'C' || $ut[$len-4] == 'S')
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return substr($table, 0, $len-2);
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default:
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return substr($table, 0, $len-1); // ?
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}
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}
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/*
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* ar->foreignName will contain the name of the tables associated with this table because
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* these other tables' rows may also be referenced by this table using theirname_id or the provided
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* foreign keys (this index name is stored in ar->foreignKey)
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*
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* this-table.id = other-table-#1.this-table_id
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* = other-table-#2.this-table_id
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*/
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function hasMany($foreignRef,$foreignKey=false)
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{
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$ar = new ADODB_Active_Record($foreignRef);
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$ar->foreignName = $foreignRef;
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$ar->UpdateActiveTable();
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$ar->foreignKey = ($foreignKey) ? $foreignKey : strtolower(get_class($this)) . self::$_foreignSuffix;
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$table =& $this->TableInfo();
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if(!isset($table->_hasMany[$foreignRef]))
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{
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$table->_hasMany[$foreignRef] = $ar;
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$table->updateColsCount();
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}
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# @todo Can I make this guy be lazy?
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$this->$foreignRef = $table->_hasMany[$foreignRef]; // WATCHME Removed assignment by ref. to please __get()
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}
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/**
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* ar->foreignName will contain the name of the tables associated with this table because
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* this table's rows may also be referenced by those tables using thistable_id or the provided
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* foreign keys (this index name is stored in ar->foreignKey)
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*
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* this-table.other-table_id = other-table.id
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*/
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function belongsTo($foreignRef,$foreignKey=false)
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{
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global $inflector;
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$ar = new ADODB_Active_Record($this->_pluralize($foreignRef));
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$ar->foreignName = $foreignRef;
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$ar->UpdateActiveTable();
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$ar->foreignKey = ($foreignKey) ? $foreignKey : $ar->foreignName . self::$_foreignSuffix;
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$table =& $this->TableInfo();
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if(!isset($table->_belongsTo[$foreignRef]))
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{
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$table->_belongsTo[$foreignRef] = $ar;
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$table->updateColsCount();
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}
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$this->$foreignRef = $table->_belongsTo[$foreignRef];
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}
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/**
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* __get Access properties - used for lazy loading
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*
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* @param mixed $name
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* @access protected
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* @return void
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*/
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function __get($name)
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{
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return $this->LoadRelations($name, '', -1. -1);
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}
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function LoadRelations($name, $whereOrderBy, $offset=-1, $limit=-1)
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{
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$extras = array();
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if($offset >= 0) $extras['offset'] = $offset;
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if($limit >= 0) $extras['limit'] = $limit;
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$table =& $this->TableInfo();
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if (strlen($whereOrderBy))
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if (!preg_match('/^[ \n\r]*AND/i',$whereOrderBy))
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if (!preg_match('/^[ \n\r]*ORDER[ \n\r]/i',$whereOrderBy))
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$whereOrderBy = 'AND '.$whereOrderBy;
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if(!empty($table->_belongsTo[$name]))
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{
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$obj = $table->_belongsTo[$name];
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$columnName = $obj->foreignKey;
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if(empty($this->$columnName))
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$this->$name = null;
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else
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{
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if(($k = reset($obj->TableInfo()->keys)))
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$belongsToId = $k;
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else
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$belongsToId = 'id';
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$arrayOfOne =
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$obj->Find(
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$belongsToId.'='.$this->$columnName.' '.$whereOrderBy, false, false, $extras);
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$this->$name = $arrayOfOne[0];
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}
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return $this->$name;
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}
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if(!empty($table->_hasMany[$name]))
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{
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$obj = $table->_hasMany[$name];
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if(($k = reset($table->keys)))
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$hasManyId = $k;
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else
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$hasManyId = 'id';
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$this->$name =
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$obj->Find(
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$obj->foreignKey.'='.$this->$hasManyId.' '.$whereOrderBy, false, false, $extras);
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return $this->$name;
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}
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}
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//////////////////////////////////
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// update metadata
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function UpdateActiveTable($pkeys=false,$forceUpdate=false)
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{
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global $ADODB_ASSOC_CASE,$_ADODB_ACTIVE_DBS , $ADODB_CACHE_DIR, $ADODB_ACTIVE_CACHESECS;
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global $ADODB_ACTIVE_DEFVALS, $ADODB_FETCH_MODE;
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$activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
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$table = $this->_table;
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$tables = $activedb->tables;
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$tableat = $this->_tableat;
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if (!$forceUpdate && !empty($tables[$tableat])) {
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$tobj = $tables[$tableat];
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foreach($tobj->flds as $name => $fld) {
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if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value))
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$this->$name = $fld->default_value;
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else
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$this->$name = null;
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}
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return;
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}
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$db = $activedb->db;
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$fname = $ADODB_CACHE_DIR . '/adodb_' . $db->databaseType . '_active_'. $table . '.cache';
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if (!$forceUpdate && $ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR && file_exists($fname)) {
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$fp = fopen($fname,'r');
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@flock($fp, LOCK_SH);
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$acttab = unserialize(fread($fp,100000));
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fclose($fp);
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if ($acttab->_created + $ADODB_ACTIVE_CACHESECS - (abs(rand()) % 16) > time()) {
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// abs(rand()) randomizes deletion, reducing contention to delete/refresh file
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// ideally, you should cache at least 32 secs
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$activedb->tables[$table] = $acttab;
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//if ($db->debug) ADOConnection::outp("Reading cached active record file: $fname");
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return;
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} else if ($db->debug) {
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ADOConnection::outp("Refreshing cached active record file: $fname");
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}
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}
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$activetab = new ADODB_Active_Table();
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$activetab->name = $table;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
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if ($db->fetchMode !== false) $savem = $db->SetFetchMode(false);
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$cols = $db->MetaColumns($table);
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if (isset($savem)) $db->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if (!$cols) {
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$this->Error("Invalid table name: $table",'UpdateActiveTable');
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return false;
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}
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$fld = reset($cols);
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if (!$pkeys) {
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if (isset($fld->primary_key)) {
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$pkeys = array();
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foreach($cols as $name => $fld) {
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if (!empty($fld->primary_key)) $pkeys[] = $name;
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}
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} else
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$pkeys = $this->GetPrimaryKeys($db, $table);
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}
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if (empty($pkeys)) {
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$this->Error("No primary key found for table $table",'UpdateActiveTable');
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return false;
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}
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$attr = array();
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$keys = array();
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switch($ADODB_ASSOC_CASE) {
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case 0:
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foreach($cols as $name => $fldobj) {
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$name = strtolower($name);
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if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value))
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$this->$name = $fldobj->default_value;
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else
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$this->$name = null;
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$attr[$name] = $fldobj;
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}
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foreach($pkeys as $k => $name) {
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$keys[strtolower($name)] = strtolower($name);
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}
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break;
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case 1:
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foreach($cols as $name => $fldobj) {
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$name = strtoupper($name);
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if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value))
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$this->$name = $fldobj->default_value;
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else
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$this->$name = null;
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$attr[$name] = $fldobj;
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}
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foreach($pkeys as $k => $name) {
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$keys[strtoupper($name)] = strtoupper($name);
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}
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break;
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default:
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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(ADODB_DIR.'/adodb-csvlib.inc.php');
|
|
adodb_write_file($fname,$s);
|
|
}
|
|
if (isset($activedb->tables[$table])) {
|
|
$oldtab = $activedb->tables[$table];
|
|
|
|
if ($oldtab) $activetab->_belongsTo = $oldtab->_belongsTo;
|
|
if ($oldtab) $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)>1 &&
|
|
(strncmp($val,"'",1) != 0 || substr($val,strlen($val)-1,1) != "'")) {
|
|
return $db->qstr($val);
|
|
break;
|
|
}
|
|
default:
|
|
return $val;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// generate where clause for an UPDATE/SELECT
|
|
function GenWhere(&$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();
|
|
|
|
$where = $this->GenWhere($db,$table);
|
|
$sql = 'DELETE FROM '.$this->_table.' WHERE '.$where;
|
|
$ok = $db->Execute($sql);
|
|
|
|
return $ok ? true : false;
|
|
}
|
|
|
|
// returns an array of active record objects
|
|
function Find($whereOrderBy,$bindarr=false,$pkeysArr=false,$extra=array())
|
|
{
|
|
$db = $this->DB(); if (!$db || empty($this->_table)) return false;
|
|
$table =& $this->TableInfo();
|
|
$arr = $db->GetActiveRecordsClass(get_class($this),$this, $whereOrderBy,$bindarr,$pkeysArr,$extra,
|
|
array('foreignName'=>$this->foreignName, 'belongsTo'=>$table->_belongsTo, 'hasMany'=>$table->_hasMany));
|
|
return $arr;
|
|
}
|
|
|
|
// CFR: In introduced this method to ensure that inner workings are not disturbed by
|
|
// subclasses...for instance when GetActiveRecordsClass invokes Find()
|
|
// Why am I not invoking parent::Find?
|
|
// Shockingly because I want to preserve PHP4 compatibility.
|
|
function packageFind($whereOrderBy,$bindarr=false,$pkeysArr=false,$extra=array())
|
|
{
|
|
$db = $this->DB(); if (!$db || empty($this->_table)) return false;
|
|
$table =& $this->TableInfo();
|
|
$arr = $db->GetActiveRecordsClass(get_class($this),$this, $whereOrderBy,$bindarr,$pkeysArr,$extra,
|
|
array('foreignName'=>$this->foreignName, 'belongsTo'=>$table->_belongsTo, 'hasMany'=>$table->_hasMany));
|
|
return $arr;
|
|
}
|
|
|
|
// returns 0 on error, 1 on update, 2 on insert
|
|
function Replace()
|
|
{
|
|
global $ADODB_ASSOC_CASE;
|
|
|
|
$db = $this->DB(); if (!$db) return false;
|
|
$table = $this->TableInfo();
|
|
|
|
$pkey = $table->keys;
|
|
|
|
foreach($table->flds as $name=>$fld) {
|
|
$val = $this->$name;
|
|
/*
|
|
if (is_null($val)) {
|
|
if (isset($fld->not_null) && $fld->not_null) {
|
|
if (isset($fld->default_value) && strlen($fld->default_value)) continue;
|
|
else {
|
|
$this->Error("Cannot update null into $name","Replace");
|
|
return false;
|
|
}
|
|
}
|
|
}*/
|
|
if (is_null($val) && !empty($fld->auto_increment)) {
|
|
continue;
|
|
}
|
|
$t = $db->MetaType($fld->type);
|
|
$arr[$name] = $this->doquote($db,$val,$t);
|
|
$valarr[] = $val;
|
|
}
|
|
|
|
if (!is_array($pkey)) $pkey = array($pkey);
|
|
|
|
|
|
if ($ADODB_ASSOC_CASE == 0)
|
|
foreach($pkey as $k => $v)
|
|
$pkey[$k] = strtolower($v);
|
|
elseif ($ADODB_ASSOC_CASE == 1)
|
|
foreach($pkey as $k => $v)
|
|
$pkey[$k] = strtoupper($v);
|
|
|
|
$ok = $db->Replace($this->_table,$arr,$pkey);
|
|
if ($ok) {
|
|
$this->_saved = true; // 1= update 2=insert
|
|
if ($ok == 2) {
|
|
$autoinc = false;
|
|
foreach($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 $ok;
|
|
}
|
|
|
|
// returns 0 on error, 1 on update, -1 if no change in data (no update)
|
|
function Update()
|
|
{
|
|
$db = $this->DB(); if (!$db) return false;
|
|
$table = $this->TableInfo();
|
|
|
|
$where = $this->GenWhere($db, $table);
|
|
|
|
if (!$where) {
|
|
$this->error("Where missing for table $table", "Update");
|
|
return false;
|
|
}
|
|
$valarr = array();
|
|
$neworig = array();
|
|
$pairs = array();
|
|
$i = -1;
|
|
$cnt = 0;
|
|
foreach($table->flds as $name=>$fld) {
|
|
$i += 1;
|
|
$val = $this->$name;
|
|
$neworig[] = $val;
|
|
|
|
if (isset($table->keys[$name])) {
|
|
continue;
|
|
}
|
|
|
|
if (is_null($val)) {
|
|
if (isset($fld->not_null) && $fld->not_null) {
|
|
if (isset($fld->default_value) && strlen($fld->default_value)) continue;
|
|
else {
|
|
$this->Error("Cannot set field $name to NULL","Update");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($this->_original[$i]) && $val == $this->_original[$i]) {
|
|
continue;
|
|
}
|
|
$valarr[] = $val;
|
|
$pairs[] = $name.'='.$db->Param($cnt);
|
|
$cnt += 1;
|
|
}
|
|
|
|
|
|
if (!$cnt) return -1;
|
|
$sql = 'UPDATE '.$this->_table." SET ".implode(",",$pairs)." WHERE ".$where;
|
|
$ok = $db->Execute($sql,$valarr);
|
|
if ($ok) {
|
|
$this->_original = $neworig;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
function GetAttributeNames()
|
|
{
|
|
$table = $this->TableInfo();
|
|
if (!$table) return false;
|
|
return array_keys($table->flds);
|
|
}
|
|
|
|
};
|
|
|
|
function adodb_GetActiveRecordsClass(&$db, $class, $tableObj,$whereOrderBy,$bindarr, $primkeyArr,
|
|
$extra, $relations)
|
|
{
|
|
global $_ADODB_ACTIVE_DBS;
|
|
|
|
if (empty($extra['loading'])) $extra['loading'] = ADODB_LAZY_AR;
|
|
|
|
$save = $db->SetFetchMode(ADODB_FETCH_NUM);
|
|
$table = &$tableObj->_table;
|
|
$tableInfo =& $tableObj->TableInfo();
|
|
if(($k = reset($tableInfo->keys)))
|
|
$myId = $k;
|
|
else
|
|
$myId = 'id';
|
|
$index = 0; $found = false;
|
|
/** @todo Improve by storing once and for all in table metadata */
|
|
/** @todo Also re-use info for hasManyId */
|
|
foreach($tableInfo->flds as $fld)
|
|
{
|
|
if($fld->name == $myId)
|
|
{
|
|
$found = true;
|
|
break;
|
|
}
|
|
$index++;
|
|
}
|
|
if(!$found)
|
|
$db->outp_throw("Unable to locate key $myId for $class in GetActiveRecordsClass()",'GetActiveRecordsClass');
|
|
|
|
$qry = "select * from ".$table;
|
|
if(ADODB_JOIN_AR == $extra['loading'])
|
|
{
|
|
if(!empty($relations['belongsTo']))
|
|
{
|
|
foreach($relations['belongsTo'] as $foreignTable)
|
|
{
|
|
if(($k = reset($foreignTable->TableInfo()->keys)))
|
|
{
|
|
$belongsToId = $k;
|
|
}
|
|
else
|
|
{
|
|
$belongsToId = 'id';
|
|
}
|
|
|
|
$qry .= ' LEFT JOIN '.$foreignTable->_table.' ON '.
|
|
$table.'.'.$foreignTable->foreignKey.'='.
|
|
$foreignTable->_table.'.'.$belongsToId;
|
|
}
|
|
}
|
|
if(!empty($relations['hasMany']))
|
|
{
|
|
if(empty($relations['foreignName']))
|
|
$db->outp_throw("Missing foreignName is relation specification in GetActiveRecordsClass()",'GetActiveRecordsClass');
|
|
if(($k = reset($tableInfo->keys)))
|
|
$hasManyId = $k;
|
|
else
|
|
$hasManyId = 'id';
|
|
|
|
foreach($relations['hasMany'] as $foreignTable)
|
|
{
|
|
$qry .= ' LEFT JOIN '.$foreignTable->_table.' ON '.
|
|
$table.'.'.$hasManyId.'='.
|
|
$foreignTable->_table.'.'.$foreignTable->foreignKey;
|
|
}
|
|
}
|
|
}
|
|
if (!empty($whereOrderBy))
|
|
$qry .= ' WHERE '.$whereOrderBy;
|
|
if(isset($extra['limit']))
|
|
{
|
|
$rows = false;
|
|
if(isset($extra['offset'])) {
|
|
$rs = $db->SelectLimit($qry, $extra['limit'], $extra['offset']);
|
|
} else {
|
|
$rs = $db->SelectLimit($qry, $extra['limit']);
|
|
}
|
|
if ($rs) {
|
|
while (!$rs->EOF) {
|
|
$rows[] = $rs->fields;
|
|
$rs->MoveNext();
|
|
}
|
|
}
|
|
} else
|
|
$rows = $db->GetAll($qry,$bindarr);
|
|
|
|
$db->SetFetchMode($save);
|
|
|
|
$false = false;
|
|
|
|
if ($rows === false) {
|
|
return $false;
|
|
}
|
|
|
|
|
|
if (!isset($_ADODB_ACTIVE_DBS)) {
|
|
include(ADODB_DIR.'/adodb-active-record.inc.php');
|
|
}
|
|
if (!class_exists($class)) {
|
|
$db->outp_throw("Unknown class $class in GetActiveRecordsClass()",'GetActiveRecordsClass');
|
|
return $false;
|
|
}
|
|
$uniqArr = array(); // CFR Keep track of records for relations
|
|
$arr = array();
|
|
// arrRef will be the structure that knows about our objects.
|
|
// It is an associative array.
|
|
// We will, however, return arr, preserving regular 0.. order so that
|
|
// obj[0] can be used by app developpers.
|
|
$arrRef = array();
|
|
$bTos = array(); // Will store belongTo's indices if any
|
|
foreach($rows as $row) {
|
|
|
|
$obj = new $class($table,$primkeyArr,$db);
|
|
if ($obj->ErrorNo()){
|
|
$db->_errorMsg = $obj->ErrorMsg();
|
|
return $false;
|
|
}
|
|
$obj->Set($row);
|
|
// CFR: FIXME: Insane assumption here:
|
|
// If the first column returned is an integer, then it's a 'id' field
|
|
// And to make things a bit worse, I use intval() rather than is_int() because, in fact,
|
|
// $row[0] is not an integer.
|
|
//
|
|
// So, what does this whole block do?
|
|
// When relationships are found, we perform JOINs. This is fast. But not accurate:
|
|
// instead of returning n objects with their n' associated cousins,
|
|
// we get n*n' objects. This code fixes this.
|
|
// Note: to-many relationships mess around with the 'limit' parameter
|
|
$rowId = intval($row[$index]);
|
|
|
|
if(ADODB_WORK_AR == $extra['loading'])
|
|
{
|
|
$arrRef[$rowId] = $obj;
|
|
$arr[] = &$arrRef[$rowId];
|
|
if(!isset($indices))
|
|
$indices = $rowId;
|
|
else
|
|
$indices .= ','.$rowId;
|
|
if(!empty($relations['belongsTo']))
|
|
{
|
|
foreach($relations['belongsTo'] as $foreignTable)
|
|
{
|
|
$foreignTableRef = $foreignTable->foreignKey;
|
|
// First array: list of foreign ids we are looking for
|
|
if(empty($bTos[$foreignTableRef]))
|
|
$bTos[$foreignTableRef] = array();
|
|
// Second array: list of ids found
|
|
if(empty($obj->$foreignTableRef))
|
|
continue;
|
|
if(empty($bTos[$foreignTableRef][$obj->$foreignTableRef]))
|
|
$bTos[$foreignTableRef][$obj->$foreignTableRef] = array();
|
|
$bTos[$foreignTableRef][$obj->$foreignTableRef][] = $obj;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if($rowId>0)
|
|
{
|
|
if(ADODB_JOIN_AR == $extra['loading'])
|
|
{
|
|
$isNewObj = !isset($uniqArr['_'.$row[0]]);
|
|
if($isNewObj)
|
|
$uniqArr['_'.$row[0]] = $obj;
|
|
|
|
// TODO Copy/paste code below: bad!
|
|
if(!empty($relations['hasMany']))
|
|
{
|
|
foreach($relations['hasMany'] as $foreignTable)
|
|
{
|
|
$foreignName = $foreignTable->foreignName;
|
|
if(!empty($obj->$foreignName))
|
|
{
|
|
$masterObj = &$uniqArr['_'.$row[0]];
|
|
// Assumption: this property exists in every object since they are instances of the same class
|
|
if(!is_array($masterObj->$foreignName))
|
|
{
|
|
// Pluck!
|
|
$foreignObj = $masterObj->$foreignName;
|
|
$masterObj->$foreignName = array(clone($foreignObj));
|
|
}
|
|
else
|
|
{
|
|
// Pluck pluck!
|
|
$foreignObj = $obj->$foreignName;
|
|
array_push($masterObj->$foreignName, clone($foreignObj));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(!empty($relations['belongsTo']))
|
|
{
|
|
foreach($relations['belongsTo'] as $foreignTable)
|
|
{
|
|
$foreignName = $foreignTable->foreignName;
|
|
if(!empty($obj->$foreignName))
|
|
{
|
|
$masterObj = &$uniqArr['_'.$row[0]];
|
|
// Assumption: this property exists in every object since they are instances of the same class
|
|
if(!is_array($masterObj->$foreignName))
|
|
{
|
|
// Pluck!
|
|
$foreignObj = $masterObj->$foreignName;
|
|
$masterObj->$foreignName = array(clone($foreignObj));
|
|
}
|
|
else
|
|
{
|
|
// Pluck pluck!
|
|
$foreignObj = $obj->$foreignName;
|
|
array_push($masterObj->$foreignName, clone($foreignObj));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(!$isNewObj)
|
|
unset($obj); // We do not need this object itself anymore and do not want it re-added to the main array
|
|
}
|
|
else if(ADODB_LAZY_AR == $extra['loading'])
|
|
{
|
|
// Lazy loading: we need to give AdoDb a hint that we have not really loaded
|
|
// anything, all the while keeping enough information on what we wish to load.
|
|
// Let's do this by keeping the relevant info in our relationship arrays
|
|
// but get rid of the actual properties.
|
|
// We will then use PHP's __get to load these properties on-demand.
|
|
if(!empty($relations['hasMany']))
|
|
{
|
|
foreach($relations['hasMany'] as $foreignTable)
|
|
{
|
|
$foreignName = $foreignTable->foreignName;
|
|
if(!empty($obj->$foreignName))
|
|
{
|
|
unset($obj->$foreignName);
|
|
}
|
|
}
|
|
}
|
|
if(!empty($relations['belongsTo']))
|
|
{
|
|
foreach($relations['belongsTo'] as $foreignTable)
|
|
{
|
|
$foreignName = $foreignTable->foreignName;
|
|
if(!empty($obj->$foreignName))
|
|
{
|
|
unset($obj->$foreignName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(isset($obj))
|
|
$arr[] = $obj;
|
|
}
|
|
|
|
if(ADODB_WORK_AR == $extra['loading'])
|
|
{
|
|
// The best of both worlds?
|
|
// Here, the number of queries is constant: 1 + n*relationship.
|
|
// The second query will allow us to perform a good join
|
|
// while preserving LIMIT etc.
|
|
if(!empty($relations['hasMany']))
|
|
{
|
|
foreach($relations['hasMany'] as $foreignTable)
|
|
{
|
|
$foreignName = $foreignTable->foreignName;
|
|
$className = ucfirst($foreignTable->_singularize($foreignName));
|
|
$obj = new $className();
|
|
$dbClassRef = $foreignTable->foreignKey;
|
|
$objs = $obj->packageFind($dbClassRef.' IN ('.$indices.')');
|
|
foreach($objs as $obj)
|
|
{
|
|
if(!is_array($arrRef[$obj->$dbClassRef]->$foreignName))
|
|
$arrRef[$obj->$dbClassRef]->$foreignName = array();
|
|
array_push($arrRef[$obj->$dbClassRef]->$foreignName, $obj);
|
|
}
|
|
}
|
|
|
|
}
|
|
if(!empty($relations['belongsTo']))
|
|
{
|
|
foreach($relations['belongsTo'] as $foreignTable)
|
|
{
|
|
$foreignTableRef = $foreignTable->foreignKey;
|
|
if(empty($bTos[$foreignTableRef]))
|
|
continue;
|
|
if(($k = reset($foreignTable->TableInfo()->keys)))
|
|
{
|
|
$belongsToId = $k;
|
|
}
|
|
else
|
|
{
|
|
$belongsToId = 'id';
|
|
}
|
|
$origObjsArr = $bTos[$foreignTableRef];
|
|
$bTosString = implode(',', array_keys($bTos[$foreignTableRef]));
|
|
$foreignName = $foreignTable->foreignName;
|
|
$className = ucfirst($foreignTable->_singularize($foreignName));
|
|
$obj = new $className();
|
|
$objs = $obj->packageFind($belongsToId.' IN ('.$bTosString.')');
|
|
foreach($objs as $obj)
|
|
{
|
|
foreach($origObjsArr[$obj->$belongsToId] as $idx=>$origObj)
|
|
{
|
|
$origObj->$foreignName = $obj;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $arr;
|
|
}
|
|
?>
|