dao.txt
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Code (php)
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<?php
/**
* @package Simple MVC
* @version 1.0
*
* Data Acces Object for PHP.
* Provides simple crud actions
* - Create
* - Read
* - Update
* - Delete()
*
* @todo
* Implement support for multiple primary keys
* Implement support for updating individual fields
* Implement validation before creation
*
* */
abstract class dao {
const WHERE_IN = 2;
const WHERE_NOT = 4;
const ORDER_DESC = 8;
const ORDER_ASC = 16;
public $arAssoc = array ();
public static $arTableFields = array(
);
/**
* Returns an array of objects
*
* @param $filter array
* @param $filterWay array
* @param $orderField array
*/
public static function getArObj($filter = array(), $filterWay = array(), $orderField = array(), $limit = array()) {
$oObj = new static ();
$query = queryBuilder::buildSelect ( $db, $oObj->table, $filter, $filterWay, $orderField , $limit);
$res = $db->query ( $query )->allAssoc ();
return $this->createObjects($res);
}
/**
* Creates a new objects and returns
* the created one
*/
public function create(){
$query = queryBuilder::buildInsert($db, $this);
$db->query($query);
$query2 = queryBuilder::simpleSelect($this->table, $this->primaryKey, $db->insert_id);
$res = $db->query($query2)->allAssoc();
$this->fillObject($res);
}
/**
* Updates an object
*/
public function update(){
$query = queryBuilder::buildUpdate($db, $this);
$db->query($query);
$query2 = queryBuilder::simpleSelect($this->table, $this->primaryKey, $db->insert_id);
$res = $db->query($query2)->allAssoc();
$this->fillObject($res);
}
/**
* Deletes an object
*/
public function delete(){
$query = queryBuilder::buildDelete($db, $this);
$db->query($query);
}
/**
* Creates an array of objects
* @param array $res
* @return array
*/
private function createObjects($res = array()){
$arObj = array();
foreach($res as $row){
$oObj = new static ();
foreach($row as $key=>$value)
$oObj->arAssoc [$key] = $value;
$arObj [] = $oObj;
}
return $arObj;
}
private function fillObject($res = array()){
foreach($res as $row){
foreach($row as $key=>$value)
$this->arAssoc [$key] = $value;
$this->arAssoc ['saved'] = true;
}
}
public function __get($name) {
switch ($name){
case 'saved':
return empty($this->arAssoc['saved']) ? false : true;
default :
return $this->arAssoc [$name];
}
}
public function __construct($primaryKey = null) {
if(! is_null ( $primaryKey )){
$query = queryBuilder::buildSelect ($db, $this->table, array ( $this->primaryKey => $primaryKey ) );
$res = $db->query ( $query )->allAssoc ();
if(! empty ( $res )){
foreach($res as $row){
foreach($row as $key=>$value)
$this->arAssoc [$key] = $value;
$this->arAssoc ['saved'] = true;
}
} else {
$this->arAssoc['saved'] = false;
}
}
$this->getTableFields();
}
private function getTableFields(){
if(empty(self::$arTableFields)){
$db = db::get();
$res = $db->query("SHOW FIELDS FROM ".$this->table)->allAssoc();
if(!empty($res)){
foreach($res as $row){
self::$arTableFields [$row['Field']] = $row['Field'];
}
}
}
}
public function __set($name, $val) {
$this->arAssoc [$name] = $val;
}
}
/**
* @package Simple MVC
* @version 1.0
*
* Data Acces Object for PHP.
* Provides simple crud actions
* - Create
* - Read
* - Update
* - Delete()
*
* @todo
* Implement support for multiple primary keys
* Implement support for updating individual fields
* Implement validation before creation
*
* */
abstract class dao {
const WHERE_IN = 2;
const WHERE_NOT = 4;
const ORDER_DESC = 8;
const ORDER_ASC = 16;
public $arAssoc = array ();
public static $arTableFields = array(
);
/**
* Returns an array of objects
*
* @param $filter array
* @param $filterWay array
* @param $orderField array
*/
public static function getArObj($filter = array(), $filterWay = array(), $orderField = array(), $limit = array()) {
$oObj = new static ();
$query = queryBuilder::buildSelect ( $db, $oObj->table, $filter, $filterWay, $orderField , $limit);
$res = $db->query ( $query )->allAssoc ();
return $this->createObjects($res);
}
/**
* Creates a new objects and returns
* the created one
*/
public function create(){
$query = queryBuilder::buildInsert($db, $this);
$db->query($query);
$query2 = queryBuilder::simpleSelect($this->table, $this->primaryKey, $db->insert_id);
$res = $db->query($query2)->allAssoc();
$this->fillObject($res);
}
/**
* Updates an object
*/
public function update(){
$query = queryBuilder::buildUpdate($db, $this);
$db->query($query);
$query2 = queryBuilder::simpleSelect($this->table, $this->primaryKey, $db->insert_id);
$res = $db->query($query2)->allAssoc();
$this->fillObject($res);
}
/**
* Deletes an object
*/
public function delete(){
$query = queryBuilder::buildDelete($db, $this);
$db->query($query);
}
/**
* Creates an array of objects
* @param array $res
* @return array
*/
private function createObjects($res = array()){
$arObj = array();
foreach($res as $row){
$oObj = new static ();
foreach($row as $key=>$value)
$oObj->arAssoc [$key] = $value;
$arObj [] = $oObj;
}
return $arObj;
}
private function fillObject($res = array()){
foreach($res as $row){
foreach($row as $key=>$value)
$this->arAssoc [$key] = $value;
$this->arAssoc ['saved'] = true;
}
}
public function __get($name) {
switch ($name){
case 'saved':
return empty($this->arAssoc['saved']) ? false : true;
default :
return $this->arAssoc [$name];
}
}
public function __construct($primaryKey = null) {
if(! is_null ( $primaryKey )){
$query = queryBuilder::buildSelect ($db, $this->table, array ( $this->primaryKey => $primaryKey ) );
$res = $db->query ( $query )->allAssoc ();
if(! empty ( $res )){
foreach($res as $row){
foreach($row as $key=>$value)
$this->arAssoc [$key] = $value;
$this->arAssoc ['saved'] = true;
}
} else {
$this->arAssoc['saved'] = false;
}
}
$this->getTableFields();
}
private function getTableFields(){
if(empty(self::$arTableFields)){
$db = db::get();
$res = $db->query("SHOW FIELDS FROM ".$this->table)->allAssoc();
if(!empty($res)){
foreach($res as $row){
self::$arTableFields [$row['Field']] = $row['Field'];
}
}
}
}
public function __set($name, $val) {
$this->arAssoc [$name] = $val;
}
}