libretime/airtime_mvc/application/common/Database.php

71 lines
2.3 KiB
PHP

<?php
class Application_Common_Database
{
const SINGLE = 'single';
const COLUMN = 'column';
const ALL = 'all';
const EXECUTE = 'execute';
const ROW_COUNT = 'row_count';
public static function prepareAndExecute($sql,
array $paramValueMap = array(),
$type=self::ALL,
$fetchType=PDO::FETCH_ASSOC,
$con=null)
{
if (is_null($con)) {
$con = Propel::getConnection();
}
$stmt = $con->prepare($sql);
foreach ($paramValueMap as $param => $v) {
$stmt->bindValue($param, $v);
}
$rows = array();
if ($stmt->execute()) {
if ($type == self::SINGLE) {
$rows = $stmt->fetch($fetchType);
} else if ($type == self::COLUMN){
$rows = $stmt->fetchColumn();
} else if ($type == self::ALL) {
$rows = $stmt->fetchAll($fetchType);
} else if ($type == self::EXECUTE) {
$rows = null;
} else if ($type == self::ROW_COUNT) {
$rows = $stmt->rowCount();
} else {
$msg = "bad type passed: type($type)";
throw new Exception("Error: $msg");
}
} else {
$msg = implode(',', $stmt->errorInfo());
throw new Exception("Error: $msg");
}
return $rows;
}
/*
Wrapper around prepareAndExecute that allows you to use multipe :xx's
in one query. Transforms $sql to :xx1, :xx2, ....
*/
public static function smartPrepareAndExecute($sql, array $params,
$type='all', $fetchType=PDO::FETCH_ASSOC)
{
$new_params = array();
$new_sql = $sql;
foreach ($params as $k => $v) {
$matches_count = substr_count($sql, $k);
if ($matches_count == 0) {
throw new Exception("Argument $k is not inside $sql");
} elseif ($matches_count == 1) {
$new_params[$k] = $new_params[$v];
} else {
foreach ( range(1,$matches_count) as $i ) {
preg_replace( "/$k(\D)/", "$k$i${1}", $sql, 1);
$new_params[ $k.$i ] = $v;
}
}
}
return Application_Common_Database::prepareAndExecute( $new_sql,
$new_params, $type, $fetchType);
}
}