bouffeatulm/inc/Storage.class.php

233 lines
6.8 KiB
PHP

<?php
require_once('data/config.php');
require_once('inc/MysqlConnector.php');
class Storage {
private $connection = null;
private $mysql_instance = null;
public function __construct() {
$this->mysql_instance = MysqlConnector::getInstance();
$this->connection = $this->mysql_instance->getConnection();
}
public function __destruct() {
}
public function getConnection() {
return $this->connection;
}
// Translates types in class to SQL types
// ======================================
public function typeToSQL($type) {
$return = false;
switch($type) {
case 'int':
$return = 'INT(11)';
break;
case 'key':
$return = 'INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY';
break;
case 'float':
$return = 'FLOAT';
break;
case 'string':
$return = 'VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_general_ci';
break;
case 'date':
$return = 'DATETIME NOT NULL';
break;
case 'bool':
$return = 'TINYINT(1)';
break;
case 'password':
$return = 'VARCHAR(130)';
break;
case 'text':
default:
$return = 'TEXT CHARACTER SET utf8 COLLATE utf8_general_ci';
break;
}
}
// Load function
// =============
public function load($fields = NULL, $first_only = false, $key_array = 'id') {
$query = 'SELECT ';
$i = false;
foreach($this->fields as $field=>$type) {
if($i) { $query .= ','; } else { $i = true; }
$query .= $field;
}
$query .= ' FROM '.MYSQL_PREFIX.$this->TABLE_NAME;
if(!empty($fields) && is_array($fields)) {
$i = true;
foreach($fields as $field=>$value) {
if($i) { $query .= ' WHERE '; $i = false; } else { $query .= ' AND '; }
if(!is_array($value)) {
$value = array($value);
}
foreach($value as $key=>$value_array) {
if($value_array == 'AND' || $value_array == 'OR') {
$query .= ' '.$value_array.' ';
continue;
}
if(substr($value_array, 0, 2) == "<=")
$query .= $field.'<=:'.$field.$key;
elseif(substr($value_array, 0, 1) == "<")
$query .= $field.'<:'.$field.$key;
elseif(substr($value_array, 0, 2) == ">=")
$query .= $field.'>=:'.$field.$key;
elseif(substr($value_array, 0, 1) == ">")
$query .= $field.'>:'.$field.$key;
else
$query .= $field.'=:'.$field.$key;
}
}
}
$query = $this->connection->prepare($query);
if(!empty($fields) && is_array($fields)) {
foreach($fields as $field=>$value) {
if(!is_array($value))
$value = array($value);
if($fields[$field] == 'date')
$value = $value->format('Y-m-d H:i:s');
foreach($value as $key=>$value_array) {
if($value_array == 'AND' || $value_array == 'OR')
continue;
if(substr($value_array, 0, 2) == ">=" || substr($value_array, 0, 2) == "<=")
$value_array = substr($value_array, 2);
elseif(substr($value_array, 0, 1) == ">" || substr($value_array, 0, 1) == "<")
$value_array = substr($value_array, 1);
$query->bindValue(':'.$field.$key, $value_array);
}
}
}
$query->execute();
$results = $query->fetchAll();
if(count($results) > 0) {
$return = array();
$class = get_class($this);
foreach($results as $result) {
$return[$result[$key_array]] = new $class();
$return[$result[$key_array]]->sessionRestore($result);
}
if($first_only)
return $return[$result[$key_array]];
else
return $return;
}
else {
return false;
}
}
// Storing function
// ================
public function save() {
if(!empty($this->id)) {
$query = 'UPDATE '.MYSQL_PREFIX.$this->TABLE_NAME.' SET ';
$i = false;
foreach($this->fields as $field=>$type) {
if($i) { $query .= ','; } else { $i = true; }
$query .= $field.'=:'.$field;
}
$query .= ' WHERE id='.$this->id;
}
else {
$query = 'INSERT INTO '.MYSQL_PREFIX.$this->TABLE_NAME.'(';
$i = false;
foreach($this->fields as $field=>$type) {
if($i) { $query .= ','; } else { $i = true; }
$query .= $field;
}
$query .= ') VALUES(';
$i = false;
foreach($this->fields as $field=>$type) {
if($i) { $query .= ','; } else { $i = true; }
$query .= ':'.$field;
}
$query .= ')';
}
$this->connection->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );
$query = $this->connection->prepare($query);
foreach($this->fields as $field=>$type) {
if($type == 'date')
$value = $this->$field->format('Y-m-d H:i:s');
else
$value = $this->$field;
$query->bindValue(':'.$field, $value);
}
$query->execute();
(empty($this->id) ? $this->setId($this->connection->lastInsertId()) : $this->setId($this->id));
}
// Delete function
// ===============
public function delete() {
$query = 'DELETE FROM '.MYSQL_PREFIX.$this->TABLE_NAME.' WHERE ';
$i = false;
foreach($this->fields as $field=>$type) {
if(!empty($this->$field)) {
if($i) { $query .= ' AND '; } else { $i = true; }
$query .= $field.'=:'.$field;
}
}
$query = $this->connection->prepare($query);
foreach($this->fields as $field=>$type) {
if(!empty($this->$field)) {
if($this->fields[$field] == 'date')
$value = $this->$field->format('Y-m-d H:i:s');
else
$value = $this->$field;
$query->bindValue(':'.$field, $value);
}
}
$query->execute();
}
}