phpOMS/DataStorage/Database/DataMapperAbstract.php
2015-11-29 22:03:06 +01:00

601 lines
14 KiB
PHP

<?php
/**
* Orange Management
*
* PHP Version 7.0
*
* @category TBD
* @package TBD
* @author OMS Development Team <dev@oms.com>
* @author Dennis Eichhorn <d.eichhorn@oms.com>
* @copyright 2013 Dennis Eichhorn
* @license OMS License 1.0
* @version 1.0.0
* @link http://orange-management.com
*/
namespace phpOMS\DataStorage\Database;
use phpOMS\DataStorage\Database\Connection\ConnectionAbstract;
use phpOMS\DataStorage\Database\Query\Builder;
use phpOMS\DataStorage\DataMapperInterface;
/**
* Datamapper for databases.
*
* DB, Cache, Session
*
* @category Framework
* @package phpOMS\DataStorage\Database
* @author OMS Development Team <dev@oms.com>
* @author Dennis Eichhorn <d.eichhorn@oms.com>
* @license OMS License 1.0
* @link http://orange-management.com
* @since 1.0.0
*/
abstract class DataMapperAbstract implements DataMapperInterface
{
/**
* Database connection.
*
* @var \phpOMS\DataStorage\Database\Connection\ConnectionAbstract
* @since 1.0.0
*/
protected $db = null;
/**
* Overwriting extended values.
*
* @var \bool
* @since 1.0.0
*/
protected static $overwrite = true;
/**
* Primary field name.
*
* @var \string
* @since 1.0.0
*/
protected static $primaryField = '';
/**
* Primary field name.
*
* @var \string
* @since 1.0.0
*/
protected static $createdAt = '';
/**
* Columns.
*
* @var array<string, array>
* @since 1.0.0
*/
protected static $columns = [];
/**
* Relations.
*
* @var \string[]
* @since 1.0.0
*/
protected static $hasMany = [];
/**
* Relations.
*
* @var \string[]
* @since 1.0.0
*/
protected static $ownsMany = [];
/**
* Relations.
*
* @var \string[]
* @since 1.0.0
*/
protected static $hasOne = [];
/**
* Extending relations.
*
* @var \string[]
* @since 1.0.0
*/
protected static $extends = [];
/**
* Relations.
*
* @var \string[]
* @since 1.0.0
*/
protected static $ownsOne = [];
/**
* Table.
*
* @var \string
* @since 1.0.0
*/
protected static $table = '';
/**
* Extended value collection.
*
* @var array
* @since 1.0.0
*/
protected $collection = [
'primaryField' => [],
'createdAt' => [],
'columns' => [],
'hasMany' => [],
'hasOne' => [],
'ownsMany' => [],
'ownsOne' => [],
'table' => [],
];
/**
* Constructor.
*
* @param ConnectionAbstract $con Database connection
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function __construct(ConnectionAbstract $con)
{
$this->db = $con;
$this->extend($this);
}
/**
* Collect values from extension.
*
* @param mixed $class Current extended mapper
*
* @return void
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
protected function extend($class)
{
$this->collection['primaryField'][] = $class::$primaryField;
$this->collection['createdAt'][] = $class::$createdAt;
$this->collection['columns'][] = $class::$columns;
$this->collection['hasMany'][] = $class::$hasMany;
$this->collection['hasOne'][] = $class::$hasOne;
$this->collection['ownsMany'][] = $class::$ownsMany;
$this->collection['ownsOne'][] = $class::$ownsOne;
$this->collection['table'][] = $class::$table;
if (($parent = get_parent_class($class)) !== false && !$class::$overwrite) {
$this->extend($parent);
}
}
/**
* Update data.
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function update()
{
}
/**
* Save data.
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function save()
{
}
/**
* Delete data.
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function delete()
{
}
/**
* Find data.
*
* @param array $columns Columns
*
* @return Builder
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function find(...$columns) : Builder
{
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix());
return $query->select(...$columns)->from(static::$table);
}
/**
* Create object in db.
*
* @param mixed $obj Object reference (gets filled with insert id)
*
* @return Builder
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function create(&$obj)
{
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->into(static::$table);
$reflectionClass = new \ReflectionClass(get_class($obj));
$properties = $reflectionClass->getProperties();
foreach ($properties as $property) {
foreach (static::$columns as $key => $column) {
if ($column['internal'] === $property) {
$value = $property->getValue($obj);
if ($column['type'] === 'DateTime') {
$value = isset($value) ? $value->format('Y-m-d H:i:s') : null;
}
$query->insert($column['name'])
->values($value);
break;
}
}
}
$this->db->con->prepare($query->toSql())->execute();
$objId = $this->db->con->lastInsertId();
$reflectionProperty = $reflectionClass->getProperty('id');
if (!($accessible = $reflectionProperty->isPublic())) {
$reflectionProperty->setAccessible(true);
}
settype($objId, static::$columns[static::$primaryField]['type']);
$reflectionProperty->setValue($obj, $objId);
if (!$accessible) {
$reflectionProperty->setAccessible(false);
}
return $objId;
}
/**
* Find data.
*
* @param Builder $query Query
*
* @return array
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function listResults(Builder $query)
{
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
return $this->populateIterable($sth->fetchAll(\PDO::FETCH_ASSOC));
}
/**
* Populate data.
*
* @param array $result Result set
*
* @return mixed
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function populate(array $result)
{
$class = get_class($this);
$class = str_replace('Mapper', '', $class);
$obj = new $class();
return $this->populateAbstract($result, $obj);
}
/**
* Populate data.
*
* @param array $result Query result set
* @param mixed $obj Object to populate
*
* @return mixed
*
* @throws \Exception
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function populateAbstract(array $result, $obj)
{
$reflectionClass = new \ReflectionClass(get_class($obj));
foreach ($result as $column => $value) {
if ($reflectionClass->hasProperty(static::$columns[$column]['internal'])) {
$reflectionProperty = $reflectionClass->getProperty(static::$columns[$column]['internal']);
if (!($accessible = $reflectionProperty->isPublic())) {
$reflectionProperty->setAccessible(true);
}
if (in_array(static::$columns[$column]['type'], ['string', 'int', 'float'])) {
settype($value, static::$columns[$column]['type']);
$reflectionProperty->setValue($obj, $value);
} elseif (static::$columns[$column]['type'] === 'DateTime') {
$reflectionProperty->setValue($obj, new \DateTime($value));
} else {
throw new \UnexpectedValueException('Value "' . static::$columns[$column]['type'] . '" is not supported.');
}
if (!$accessible) {
$reflectionProperty->setAccessible(false);
}
}
}
return $obj;
}
/**
* Get newest.
*
* This will fall back to the insert id if no datetime column is present.
*
* @return mixed
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getNewest()
{
if (!isset(static::$createdAt) || !isset(static::$columns[static::$createdAt])) {
throw new \BadMethodCallException('Method "' . __METHOD__ . '" is not supported.');
}
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->select('*')
->from(static::$table)
->limit(1);
if(isset(static::$createdAt)) {
$query->orderBy(static::$table . '.' . static::$columns[static::$createdAt]['name'], 'DESC');
} else {
$query->orderBy(static::$table . '.' . static::$columns[static::$primaryField]['name'], 'DESC');
}
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$results = $sth->fetch(\PDO::FETCH_ASSOC);
return $this->populate(is_bool($results) ? [] : $results);
}
/**
* Populate data.
*
* @param array $result Result set
*
* @return array
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function populateIterable(array $result) : array
{
$row = [];
foreach ($result as $element) {
if (isset($element[static::$primaryField])) {
$row[$element[static::$primaryField]] = $this->populate($element);
} else {
$row[] = $this->populate($element);
}
}
return $row;
}
/**
* Load.
*
* @param array $objects Objects to load
*
* @return null
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function with(...$objects)
{
}
/**
* Get object.
*
* @param mixed $primaryKey Key
*
* @return mixed
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function get($primaryKey)
{
$obj = $this->populate($this->getRaw($primaryKey));
if (isset($obj)) {
return $obj;
} else {
$class = get_class($this);
$class = str_replace('Mapper', '', $class);
$class = explode('\\', $class);
$pos = count($class) - 1;
$class[$pos] = 'Null' . $class[$pos];
$class = implode('\\', $class);
return $class;
}
}
/**
* Get object.
*
* @param mixed $primaryKey Key
*
* @return mixed
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getRaw($primaryKey) : array
{
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->select('*')
->from(static::$table)
->where(static::$table . '.' . static::$primaryField, '=', $primaryKey);
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$results = $sth->fetch(\PDO::FETCH_ASSOC);
return is_bool($results) ? [] : $results;
}
/**
* Get all by custom query.
*
* @param Builder $query Query
*
* @return array
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getAllByQuery(Builder $query) : array
{
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$results = $sth->fetchAll(\PDO::FETCH_ASSOC);
$results = is_bool($results) ? [] : $results;
return $this->populateIterable($results);
}
public function getRelations($primaryKey) : array
{
$result = [];
foreach (static::$hasMany as $member => $value) {
if (!isset($value['mapper'])) {
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->select($value['table'] . '.' . $value['src'])
->from($value['table'])
->where($value['table'] . '.' . $value['dst'], '=', $primaryKey);
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$result[$member] = $sth->fetchAll(\PDO::FETCH_ASSOC);
}
}
return $result;
}
/**
* Get object.
*
* @return array
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getAll()
{
return $this->populateIterable($this->getAllRaw());
}
/**
* Get all in raw output.
*
* @return array
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getAllRaw() : array
{
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->select('*')
->from(static::$table);
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$results = $sth->fetchAll(\PDO::FETCH_ASSOC);
return is_bool($results) ? [] : $results;
}
/**
* Get primary field.
*
* @return \string
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getPrimaryField() : \string
{
return static::$primaryField;
}
/**
* Get main table.
*
* @return \string
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function getTable() : \string
{
return static::$table;
}
}