queryBuilder.txt
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Code (php)
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<?php
/**
* Class queryBuilder
* @uses db
*
*/
class queryBuilder {
/**
* Builds a simple select query
* with a WHERE, IN, NOT IN
* ORDER ASC, DESC and LIMIT
*
*
* @param $table string
* @param $filter array
* @param $filter_way array
* @param $order_field array
* @throws Exception
* @return $string;
* @return &reference $db
*/
public static function buildSelect(&$db, $table, $filter = array(), $filter_way = array(), $order_field = array(), $limit = array()) {
$db = db::get ();
// First part of select
$q = "SELECT * FROM " . $db->real_escape_string ( $table ) . " ";
// Build the where
if(! empty ( $filter )){
$q .= 'WHERE ';
$c = 1;
foreach($filter as $field=>$val){
$q .= $db->real_escape_string ( $field ) . ' ';
if(array_key_exists ( $field, $filter_way )){
switch ($filter_way [$field]){
case dao::WHERE_IN :
if(! is_array ( $filter [$field] ))
throw new Exception ( 'Filter for' . $field . 'expects an array as parameter' );
$q .= 'IN (';
$i = 1;
foreach($filter [$field] as $value){
$q .= "'" . $db->real_escape_string ( $value ) . "'";
$q .= ($i == sizeof ( $filter [$field] ) ? '' : ',');
$i ++;
}
$q .= ') ';
break;
case dao::WHERE_NOT :
if(! is_array ( $filter [$field] ))
throw new Exception ( 'Filter for' . $field . 'expects an array as parameter' );
$q .= 'NOT IN (';
$i = 1;
foreach($filter [$field] as $value){
$q .= "'" . $db->real_escape_string ( $value ) . "'";
$q .= ($i == sizeof ( $filter [$field] ) ? '' : ',');
$i ++;
}
$q .= ') ';
break;
}
}else{
$q .= "= '" . $db->real_escape_string ( $val ) . "' ";
}
if($c != sizeof ( $filter )){
$q .= 'AND ';
}
$c ++;
}
}
if(!empty($order_field)){
switch($order_field[0]){
case dao::ORDER_ASC:
$q .= 'ORDER BY '.key($order_field[0]) . ' ASC';
break;
case dao::ORDER_DESC:
$q .= 'ORDER BY '.key($order_field[0]) . ' DESC';
break;
}
}
return $q;
}
public static function buildInsert(&$db, $oTable ){
$db = db::get();
$q = "INSERT INTO ".$oTable->table." ";
$class = get_class($oTable);
$q .= '(';
$i = 1;
foreach($class::$arTableFields as $key => $value){
if($oTable->primaryKey == $class::$arTableFields[$key])
continue;
if(empty($oTable->arAssoc[$key]))
continue;
if(in_array($key, db::$reservedMysqlWords))
$key = "`".$key."`";
$q .= $key;
$q .= ($i == sizeof($oTable->arAssoc) ? '' : ',');
$i++;
}
$q.= ')';
$q.= ' VALUES (';
$i = 1;
foreach($class::$arTableFields as $key => $value){
if($oTable->primaryKey == $class::$arTableFields[$key])
continue;
if(empty($oTable->arAssoc[$key]))
continue;
$q .= (!empty($oTable->arAssoc[$key]) ? (is_numeric($oTable->arAssoc[$key]) ? $oTable->arAssoc[$key] : "'".$db->real_escape_string($oTable->arAssoc[$key])."'" ) : "' '");
$q .= ($i == sizeof($oTable->arAssoc) ? '' : ',');
$i++;
}
$q.= ') ';
return $q;
}
public static function buildUpdate(&$db, $oTable ){
$db = db::get();
$q = "UPDATE ".$oTable->table." ";
$class = get_class($oTable);
$q .= 'SET ';
$i = 1;
foreach($class::$arTableFields as $key => $value){
if($oTable->primaryKey == $class::$arTableFields[$key])
continue;
if(empty($oTable->arAssoc[$key]))
continue;
if(in_array($key, db::$reservedMysqlWords))
$key = "`".$key."`";
$q .= $key .' = '. (!empty($oTable->arAssoc[$key]) ? (is_numeric($oTable->arAssoc[$key]) ? $oTable->arAssoc[$key] : "'".$db->real_escape_string($oTable->arAssoc[$key])."'" ) : "' '");
$q .= ($i == sizeof($oTable->arAssoc) ? '' : ',');
$i++;
}
$q .= ' WHERE ' . $oTable->primaryKey . ' = ' .$oTable->arAssoc[$oTable->primaryKey];
return $q;
}
public static function buildDelete(&$db, $oTable ){
$db = db::get();
$q = "DELETE FROM ".$oTable->table." ";
$q .= ' WHERE ' . $oTable->primaryKey . ' = ' .$oTable->arAssoc[$oTable->primaryKey];
return $q;
}
public static function simpleSelect($table, $primkey, $val){
return 'SELECT * FROM '.$table.' WHERE '.$primkey . ' = ' . $val ;
}
}
/**
* Class queryBuilder
* @uses db
*
*/
class queryBuilder {
/**
* Builds a simple select query
* with a WHERE, IN, NOT IN
* ORDER ASC, DESC and LIMIT
*
*
* @param $table string
* @param $filter array
* @param $filter_way array
* @param $order_field array
* @throws Exception
* @return $string;
* @return &reference $db
*/
public static function buildSelect(&$db, $table, $filter = array(), $filter_way = array(), $order_field = array(), $limit = array()) {
$db = db::get ();
// First part of select
$q = "SELECT * FROM " . $db->real_escape_string ( $table ) . " ";
// Build the where
if(! empty ( $filter )){
$q .= 'WHERE ';
$c = 1;
foreach($filter as $field=>$val){
$q .= $db->real_escape_string ( $field ) . ' ';
if(array_key_exists ( $field, $filter_way )){
switch ($filter_way [$field]){
case dao::WHERE_IN :
if(! is_array ( $filter [$field] ))
throw new Exception ( 'Filter for' . $field . 'expects an array as parameter' );
$q .= 'IN (';
$i = 1;
foreach($filter [$field] as $value){
$q .= "'" . $db->real_escape_string ( $value ) . "'";
$q .= ($i == sizeof ( $filter [$field] ) ? '' : ',');
$i ++;
}
$q .= ') ';
break;
case dao::WHERE_NOT :
if(! is_array ( $filter [$field] ))
throw new Exception ( 'Filter for' . $field . 'expects an array as parameter' );
$q .= 'NOT IN (';
$i = 1;
foreach($filter [$field] as $value){
$q .= "'" . $db->real_escape_string ( $value ) . "'";
$q .= ($i == sizeof ( $filter [$field] ) ? '' : ',');
$i ++;
}
$q .= ') ';
break;
}
}else{
$q .= "= '" . $db->real_escape_string ( $val ) . "' ";
}
if($c != sizeof ( $filter )){
$q .= 'AND ';
}
$c ++;
}
}
if(!empty($order_field)){
switch($order_field[0]){
case dao::ORDER_ASC:
$q .= 'ORDER BY '.key($order_field[0]) . ' ASC';
break;
case dao::ORDER_DESC:
$q .= 'ORDER BY '.key($order_field[0]) . ' DESC';
break;
}
}
return $q;
}
public static function buildInsert(&$db, $oTable ){
$db = db::get();
$q = "INSERT INTO ".$oTable->table." ";
$class = get_class($oTable);
$q .= '(';
$i = 1;
foreach($class::$arTableFields as $key => $value){
if($oTable->primaryKey == $class::$arTableFields[$key])
continue;
if(empty($oTable->arAssoc[$key]))
continue;
if(in_array($key, db::$reservedMysqlWords))
$key = "`".$key."`";
$q .= $key;
$q .= ($i == sizeof($oTable->arAssoc) ? '' : ',');
$i++;
}
$q.= ')';
$q.= ' VALUES (';
$i = 1;
foreach($class::$arTableFields as $key => $value){
if($oTable->primaryKey == $class::$arTableFields[$key])
continue;
if(empty($oTable->arAssoc[$key]))
continue;
$q .= (!empty($oTable->arAssoc[$key]) ? (is_numeric($oTable->arAssoc[$key]) ? $oTable->arAssoc[$key] : "'".$db->real_escape_string($oTable->arAssoc[$key])."'" ) : "' '");
$q .= ($i == sizeof($oTable->arAssoc) ? '' : ',');
$i++;
}
$q.= ') ';
return $q;
}
public static function buildUpdate(&$db, $oTable ){
$db = db::get();
$q = "UPDATE ".$oTable->table." ";
$class = get_class($oTable);
$q .= 'SET ';
$i = 1;
foreach($class::$arTableFields as $key => $value){
if($oTable->primaryKey == $class::$arTableFields[$key])
continue;
if(empty($oTable->arAssoc[$key]))
continue;
if(in_array($key, db::$reservedMysqlWords))
$key = "`".$key."`";
$q .= $key .' = '. (!empty($oTable->arAssoc[$key]) ? (is_numeric($oTable->arAssoc[$key]) ? $oTable->arAssoc[$key] : "'".$db->real_escape_string($oTable->arAssoc[$key])."'" ) : "' '");
$q .= ($i == sizeof($oTable->arAssoc) ? '' : ',');
$i++;
}
$q .= ' WHERE ' . $oTable->primaryKey . ' = ' .$oTable->arAssoc[$oTable->primaryKey];
return $q;
}
public static function buildDelete(&$db, $oTable ){
$db = db::get();
$q = "DELETE FROM ".$oTable->table." ";
$q .= ' WHERE ' . $oTable->primaryKey . ' = ' .$oTable->arAssoc[$oTable->primaryKey];
return $q;
}
public static function simpleSelect($table, $primkey, $val){
return 'SELECT * FROM '.$table.' WHERE '.$primkey . ' = ' . $val ;
}
}