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249 lines (207 loc) · 6.52 KB
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<?php
namespace PHPCensor;
use PHPCensor\Exception\InvalidArgumentException;
abstract class Store
{
/**
* @var string
*/
protected $modelName = null;
/**
* @var string
*/
protected $tableName = '';
/**
* @var string
*/
protected $primaryKey = null;
/**
* @param string $key
* @param string $useConnection
*
* @return Model|null
*/
abstract public function getByPrimaryKey($key, $useConnection = 'read');
/**
* @throws \RuntimeException
*/
public function __construct()
{
if (empty($this->primaryKey)) {
throw new \RuntimeException('Save not implemented for this store.');
}
}
/**
* @param array $where
* @param integer $limit
* @param integer $offset
* @param array $order
* @param string $whereType
*
* @return array
*/
public function getWhere(
$where = [],
$limit = 25,
$offset = 0,
$order = [],
$whereType = 'AND'
) {
$query = 'SELECT * FROM {{' . $this->tableName . '}}';
$countQuery = 'SELECT COUNT(*) AS {{count}} FROM {{' . $this->tableName . '}}';
$wheres = [];
$params = [];
foreach ($where as $key => $value) {
$key = $this->fieldCheck($key);
if (!is_array($value)) {
$params[] = $value;
$wheres[] = $key . ' = ?';
}
}
if (count($wheres)) {
$query .= ' WHERE (' . implode(' ' . $whereType . ' ', $wheres) . ')';
$countQuery .= ' WHERE (' . implode(' ' . $whereType . ' ', $wheres) . ')';
}
if (count($order)) {
$orders = [];
foreach ($order as $key => $value) {
$orders[] = $this->fieldCheck($key) . ' ' . $value;
}
$query .= ' ORDER BY ' . implode(', ', $orders);
}
if ($limit) {
$query .= ' LIMIT ' . $limit;
}
if ($offset) {
$query .= ' OFFSET ' . $offset;
}
$stmt = Database::getConnection('read')->prepareCommon($countQuery);
$stmt->execute($params);
$res = $stmt->fetch(\PDO::FETCH_ASSOC);
$count = (int)$res['count'];
$stmt = Database::getConnection('read')->prepareCommon($query);
$stmt->execute($params);
$res = $stmt->fetchAll(\PDO::FETCH_ASSOC);
$rtn = [];
foreach ($res as $data) {
$rtn[] = new $this->modelName($data);
}
return ['items' => $rtn, 'count' => $count];
}
/**
* @param Model $obj
* @param boolean $saveAllColumns
*
* @throws InvalidArgumentException
*
* @return Model|null
*/
public function save(Model $obj, $saveAllColumns = false)
{
if (!($obj instanceof $this->modelName)) {
throw new InvalidArgumentException(get_class($obj) . ' is an invalid model type for this store.');
}
$data = $obj->getDataArray();
if (isset($data[$this->primaryKey])) {
$rtn = $this->saveByUpdate($obj, $saveAllColumns);
} else {
$rtn = $this->saveByInsert($obj, $saveAllColumns);
}
return $rtn;
}
/**
* @param Model $obj
* @param bool $saveAllColumns
*
* @return Model|null
*/
public function saveByUpdate(Model $obj, $saveAllColumns = false)
{
$rtn = null;
$data = $obj->getDataArray();
$modified = ($saveAllColumns) ? array_keys($data) : $obj->getModified();
$updates = [];
$updateParams = [];
foreach ($modified as $key) {
$updates[] = $key . ' = :' . $key;
$updateParams[] = [$key, $data[$key]];
}
if (count($updates)) {
$qs = 'UPDATE {{' . $this->tableName . '}} SET ' . implode(', ', $updates) . ' WHERE {{' . $this->primaryKey . '}} = :primaryKey';
$q = Database::getConnection('write')->prepareCommon($qs);
foreach ($updateParams as $updateParam) {
$q->bindValue(':' . $updateParam[0], $updateParam[1]);
}
$q->bindValue(':primaryKey', $data[$this->primaryKey]);
$q->execute();
$rtn = $this->getByPrimaryKey($data[$this->primaryKey], 'write');
} else {
$rtn = $obj;
}
return $rtn;
}
/**
* @param Model $obj
* @param bool $saveAllColumns
*
* @return Model|null
*/
public function saveByInsert(Model $obj, $saveAllColumns = false)
{
$rtn = null;
$data = $obj->getDataArray();
$modified = ($saveAllColumns) ? array_keys($data) : $obj->getModified();
$cols = [];
$values = [];
$qParams = [];
foreach ($modified as $key) {
$cols[] = $key;
$values[] = ':' . $key;
$qParams[':' . $key] = $data[$key];
}
if (count($cols)) {
$qs = 'INSERT INTO {{' . $this->tableName . '}} (' . implode(', ', $cols) . ') VALUES (' . implode(', ', $values) . ')';
$q = Database::getConnection('write')->prepareCommon($qs);
if ($q->execute($qParams)) {
$id = Database::getConnection('write')->lastInsertIdExtended($this->tableName);
$rtn = $this->getByPrimaryKey($id, 'write');
}
}
return $rtn;
}
/**
* @param Model $obj
*
* @throws InvalidArgumentException
*
* @return boolean
*/
public function delete(Model $obj)
{
if (!($obj instanceof $this->modelName)) {
throw new InvalidArgumentException(get_class($obj) . ' is an invalid model type for this store.');
}
$data = $obj->getDataArray();
$q = Database::getConnection('write')->prepareCommon('DELETE FROM {{' . $this->tableName . '}} WHERE {{' . $this->primaryKey . '}} = :primaryKey');
$q->bindValue(':primaryKey', $data[$this->primaryKey]);
$q->execute();
return true;
}
/**
* @param string $field
*
* @throws InvalidArgumentException
*
* @return string
*/
protected function fieldCheck($field)
{
if (empty($field)) {
throw new InvalidArgumentException('You cannot have an empty field name.');
}
if (strpos($field, '.') === false) {
return '{{' . $this->tableName . '}}.{{' . $field . '}}';
}
return $field;
}
}