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135 lines (118 loc) · 3.09 KB
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<?php
/*
* Avalon
* Copyright 2011-2015 Jack P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Avalon\Database\Model;
use ArrayAccess;
/**
* Base model class.
*
* @author Jack P.
*/
abstract class Base implements ArrayAccess
{
/**
* Whether or not the model already exists in the database.
*
* @var bool
*/
protected $_isNew;
/**
* Column data types to convert to/from.
*
* @var array
*/
protected static $_dataTypes = [];
/**
* @param array $data Model data.
* @param bool $isNew Whether or not it exists in the database.
*/
public function __construct(array $data = [], $isNew = true)
{
$this->_isNew = $isNew;
if ($isNew) {
$this->set($data);
} else {
// Convert data from a safely storable format
foreach (static::convertToDataTypes($data) as $key => $value) {
$this->{$key} = $value;
}
}
}
// -------------------------------------------------------------------------
// Class Methods
/**
* Convert data from a safely storable format to actual values.
*
* @param array $data
*
* @return array
*/
public static function convertToDataTypes(array $data)
{
foreach (static::$_dataTypes as $column => $type) {
if (isset($data[$column])) {
if ($type == 'json_array') {
$data[$column] = json_decode($data[$column], true);
}
}
}
return $data;
}
// -------------------------------------------------------------------------
// Instance Methods
/**
* Mass set model data.
*
* @param array $field
* @param mixed $value
*/
public function set($field, $value = null)
{
if (is_array($field)) {
foreach ($field as $key => $value) {
$this->set($key, $value);
}
} else {
$this->{$field} = $value;
}
}
/**
* @return boolean
*/
public function isNew()
{
return $this->_isNew;
}
// -------------------------------------------------------------------------
// ArrayAccess
public function offsetExists($offset)
{
return isset($this->{$offset});
}
public function offsetGet($offset)
{
return $this->{$offset};
}
public function offsetSet($offset, $value)
{
$this->{$offset} = $value;
}
public function offsetUnset($offset)
{
unset($this->{$offset});
}
}