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Model.php
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Model.php
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<?php
/**
*****************************************************************************
** Copyright (c) 2007-2010 Jerome Poichet <jerome@frencaze.com>
**
** This software is supplied to you by Jerome Poichet in consideration of
** your agreement to the following terms, and your use, installation,
** modification or redistribution of this software constitutes acceptance of
** these terms. If you do not agree with these terms, please do not use,
** install, modify or redistribute this software.
**
** In consideration of your agreement to abide by the following terms, and
** subject to these terms, Jerome Poichet grants you a personal, non-exclusive
** license, to use, reproduce, modify and redistribute the software, with or
** without modifications, in source and/or binary forms; provided that if you
** redistribute the software in its entirety and without modifications, you
** must retain this notice and the following text and disclaimers in all such
** redistributions of the software, and that in all cases attribution of
** Jerome Poichet as the original author of the source code shall be included
** in all such resulting software products or distributions.
**
** Neither the name, trademarks, service marks or logos of Jerome Poichet may
** be used to endorse or promote products derived from the software without
** specific prior written permission from Jerome Poichet. Except as expressly
** stated in this notice, no other rights or licenses, express or implied, are
** granted by Jerome Poichet herein, including but not limited to any patent
** rights that may be infringed by your derivative works or by other works in
** which the software may be incorporated.
**
** The software is provided by Jerome Poichet on an "AS IS" basis.
** JEROME POICHET MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT
** LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND
** FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE SOFTWARE OR ITS USE AND
** OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
**
** IN NO EVENT SHALL JEROME POICHET BE LIABLE FOR ANY SPECIAL, INDIRECT,
** INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
** OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
** MODIFICATION AND/OR DISTRIBUTION OF THE SOFTWARE, HOWEVER CAUSED AND
** WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT
** LIABILITY OR OTHERWISE, EVEN IF JEROME POICHET HAS BEEN ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************
**/
require_once DOKIN_DIR.'DBDriver.php';
define('SQL_COMMAND_NONE', 'NONE');
define('SQL_COMMAND_SELECT', 'SELECT');
define('SQL_COMMAND_DELETE', 'DELETE');
define('SQL_COMMAND_UPDATE', 'UPDATE');
class Model
{
protected $sDatabase;
protected $sTable;
protected $sIdField;
protected $aFields = array();
protected $hValues = array();
protected $hLoadedValues = array();
protected $hExtraValues = array();
protected $sCommand;
protected $aAnd = null;
protected $aOr = null;
protected $aSet = null;
protected $aOrder = null;
public function __construct($mObj = null)
{
if (is_scalar($mObj)) {
// TODO load using idfield
} else if (is_array($mObj)) {
foreach ($mObj as $sKey => $sValue) {
if (in_array($sKey, $this->aFields)) {
$this->hValues[$sKey] = $sValue;
$this->hLoadedValues[$sKey] = $sValue;
} else {
$this->hExtraValues[$sKey] = $sValue;
}
}
}
}
public function getFields()
{
return $this->aFields;
}
public function getValues()
{
return $this->hValues;
}
public function _get($sKey)
{
if (in_array($sKey, $this->aFields)) {
return $this->hValues[$sKey];
} else {
return $this->hExtraValues[$sKey];
}
}
public function _set($sKey, $sValue)
{
if (in_array($sKey, $this->aFields)) {
$this->hValues[$sKey] = $sValue;
if ($this->hLoadedValues[$sKey] !== $this->hValues[$sKey]) {
}
} else {
// Do not set as extra value if an object's attribute
$oReflect = new ReflectionClass($this);
$aProps = $oReflect->getProperties(ReflectionProperty::IS_PROTECTED | ReflectionProperty::IS_PRIVATE);
foreach ($aProps as $hProp) {
if ($hProp->name == $sKey) {
trigger_error($sKey.' is not a public member', E_USER_ERROR);
}
}
$this->hExtraValues[$sKey] = $sValue;
}
}
public function remove($sKey)
{
unset($this->hValues[$sKey]);
//unset($this->hLoadedValues[$sKey]);
unset($this->hExtraValues[$sKey]);
}
public function __get($sName)
{
return $this->_get($sName);
}
public function __set($sName, $sValue)
{
return $this->_set($sName, $sValue);
}
public static function get_instance($sClass, $mObj = null, $oDriver = null)
{
$oTmp = new $sClass($mObj);
$sIdField = $oTmp->sIdField;
if (!$oTmp->$sIdField && $oDriver !== null) {
$mRes = $oTmp->select($sClass)->where($sIdField, $mObj)->exec($oDriver);
$oTmp = $mRes->fetch();
}
return $oTmp;
}
public function getDB()
{
return $this->sDatabase;
}
public function getTable()
{
return $this->sTable;
}
public function getTree()
{
return array(
'COMMAND' => $this->sCommand,
'WHERE' => $this->aAnd,
'SET' => $this->aSet,
'IDFIELD' => $this->sIdField,
'ORDER' => $this->aOrder,
);
}
public static function select($sClass)
{
$oObj = self::get_instance($sClass);
$oObj->sCommand = SQL_COMMAND_SELECT;
return $oObj;
}
public function insert($mDriver = null)
{
$this->sCommand = SQL_COMMAND_INSERT;
if ($mDriver !== null && is_subclass_of($mDriver, 'DBDriver')) {
return $this->exec($mDriver);
}
return $this;
}
public function delete($mClass = null)
{
if (!$this || !is_subclass_of($this, 'Model')) {
if ($mClass === null) {
trigger_error('Provide class name', E_USER_ERROR);
}
$oObj = self::get_instance($mClass);
$oObj->sCommand = SQL_COMMAND_DELETE;
} else {
$oObj = $this;
$oObj->sCommand = SQL_COMMAND_DELETE;
// for the id_field = id
$mId = $oObj->sIdField;
$oObj->where($mId, $oObj->$mId);
if ($mClass !== null && is_subclass_of($mClass, 'DBDriver')) {
return $oObj->exec($mClass);
}
}
return $oObj;
}
public function update($mClass = null)
{
// TODO
//build the set tree here?
if ($this && is_subclass_of($this, 'Model')) {
if (!is_array($this->aSet)) {
foreach ($this->aFields as $sKey) {
if ($this->hValues[$sKey] !== $this->hLoadedValues[$sKey]) {
$this->aSet[$sKey] = $this->hValues[$sKey];
}
}
}
}
if (!$this || !is_subclass_of($this, 'Model')) {
$oObj = self::get_instance($mClass);
$oObj->sCommand = SQL_COMMAND_UPDATE;
} else {
$oObj = $this;
$oObj->sCommand = SQL_COMMAND_UPDATE;
// for the id_field = id
$mId = $oObj->sIdField;
$oObj->where($mId, $oObj->$mId);
if ($mClass !== null && is_subclass_of($mClass, 'DBDriver')) {
return $oObj->exec($mClass);
}
}
return $oObj;
}
public function set($mKey, $mValue = null)
{
if (!is_array($mKey)) {
$mKey = array($mKey => $mValue);
}
$this->aSet = is_array($this->aSet) ? $this->aSet : array();
$this->aSet = array_merge($this->aSet, $mKey);
return $this;
}
public function where($mKey, $mValue = null)
{
return $this->andWhere($mKey, $mValue);
}
public function andWhere($mKey, $mValue = null)
{
if (!is_array($mKey)) {
$mKey = array($mKey => $mValue);
}
$this->aAnd = is_array($this->aAnd) ? $this->aAnd : array();
$this->aAnd = array_merge($this->aAnd, $mKey);
return $this;
}
public function orWhere()
{
return $this;
}
public function like()
{
return $this;
}
public function limit()
{
return $this;
}
public function having()
{
return $this;
}
public function order($mOrder)
{
// FIXME
$this->aOrder = is_array($mOrder) ? $mOrder : array($mOrder);
return $this;
}
public function exec($oDriver = null)
{
if (!$oDriver) {
throw new Exception('Provide a DB Driver');
}
return $oDriver->exec($this);
}
public function toHash()
{
$hRes = array();
foreach ($this->aFields as $sField) {
if ($sField == $this->sIdField && !isset($this->hValues[$sField])) {
} else {
$hRes[$sField] = $this->hValues[$sField];
}
}
foreach ($this->hExtraValues as $sKey => $mVal) {
if (is_object($mVal) && is_subclass_of($mVal,'Model')) {
$hRes[$sKey] = $mVal->toHash();
} else if (!is_object($mVal)) {
$hRes[$sKey] = $mVal;
}
}
return $hRes;
}
}