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<?php |
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declare(strict_types=1); |
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namespace DyarWeb\DB; |
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/** |
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* Class Json |
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* @package DyarWeb |
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*/ |
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class Json |
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{ |
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private $DBDir; |
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public function __construct() |
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{ |
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$this->DBDir = getenv('jsonDBDir'); |
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} |
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/** |
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* @param $DBName |
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* @param $TableName |
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* @return bool |
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*/ |
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public function DeleteTable($DBName, $TableName) |
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{ |
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return unlink($this->DBDir . '/' . $DBName . '/' . $TableName . '.json'); |
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} |
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/** |
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* @param $DBName |
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* @return bool |
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*/ |
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public function DeleteDB($DBName) |
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{ |
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$files = array_diff(scandir($this->DBDir . '/' . $DBName), ['.', '..']); |
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foreach ($files as $file) { |
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(is_dir($this->DBDir . '/' . $DBName . '/' . $file)) ? $this->DeleteDB($this->DBDir . '/' . $DBName . '/' . $file) : unlink($this->DBDir . '/' . $DBName . '/' . $file); |
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} |
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return rmdir($this->DBDir . '/' . $DBName); |
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} |
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/** |
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* @param string $DBName |
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* @param string $TableName |
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* @param array $data |
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* @return false|int |
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*/ |
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public function InsertData($DBName, $TableName, array $data) |
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{ |
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$fileName = $this->DBDir . '/' . $DBName . '/' . $TableName . '.json'; |
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if (!is_file($fileName)) { |
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return $this->CreateTable($DBName, $TableName, $data); |
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} else { |
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$out = json_decode(file_get_contents($fileName)); |
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$out[] = $data; |
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return file_put_contents($fileName, json_encode($out)); |
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} |
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} |
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/** |
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* @param string $DBName |
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* @param string $TableName |
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* @param array $columns |
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* @param int|string $mode |
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* @return false|int |
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*/ |
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public function CreateTable($DBName, $TableName, array $columns, $mode = 0600) |
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{ |
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if (!is_dir($DBName)) { |
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$this->CreateDB($DBName, 0700); |
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} |
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$json = json_encode([$columns]); |
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$fileName = $this->DBDir . '/' . $DBName . '/' . $TableName . '.json'; |
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$res = file_put_contents($fileName, $json); |
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$res .= chmod($fileName, $mode); |
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return $res; |
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} |
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/** |
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* @param string $DBName |
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* @param int $mode |
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* @return bool |
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*/ |
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public function CreateDB($DBName, int $mode = 0700) |
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{ |
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if (!is_dir($this->DBDir)) { |
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mkdir($this->DBDir, 0700); |
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} |
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$Folders = explode('/', $DBName); |
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$dir = ''; |
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$return = ''; |
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foreach ($Folders as $folder) { |
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$dir .= '/' . $folder; |
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if (!is_dir($this->DBDir . $dir)) { |
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$return .= mkdir($this->DBDir . $dir, $mode); |
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} |
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} |
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return $return; |
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} |
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/** |
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* @param string $DBName |
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* @param string $TableName |
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* @param array $data |
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* @param array $where |
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* @return false|int |
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*/ |
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public function UpdateData($DBName, $TableName, array $data, array $where) |
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{ |
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$fileName = $this->DBDir . '/' . $DBName . '/' . $TableName . '.json'; |
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$out = json_decode(file_get_contents($fileName)); |
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foreach ($out as $item) { |
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$res = true; |
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foreach ($where as $key => $value) { |
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if ($item->$key != $value || !$item->$key) { |
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$res = false; |
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break; |
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} |
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} |
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if ($res) { |
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foreach ($data as $key => $value) { |
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$item->$key = $value; |
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} |
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} |
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} |
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return file_put_contents($fileName, json_encode($out)); |
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} |
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/** |
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* @param string $DBName |
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* @param string $TableName |
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* @param array|null $where |
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* @return false|int |
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*/ |
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public function DeleteData($DBName, $TableName, array $where) |
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{ |
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$fileName = $this->DBDir . '/' . $DBName . '/' . $TableName . '.json'; |
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if (is_file($fileName)) { |
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$out = json_decode(file_get_contents($fileName)); |
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$i=-1; |
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foreach ($out as $item) { |
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$i++; |
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$res = true; |
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foreach ($where as $key => $value) { |
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if ($item->$key != $value || !$item->$key) { |
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$res = false; |
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break; |
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} |
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} |
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if ($res) { |
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unset($out[$i]); |
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} |
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} |
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$out = array_values($out); |
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return file_put_contents($fileName, json_encode($out)); |
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} else { |
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return false; |
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} |
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} |
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/** |
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* @param string $DBName |
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* @param string $TableName |
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* @param null $where |
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* @param null $limit |
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* @return array|mixed |
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*/ |
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public function SelectData($DBName, $TableName, array $where = null, int $limit = null) |
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{ |
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$fileName = $this->DBDir . '/' . $DBName . '/' . $TableName . '.json'; |
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if (is_file($fileName)) { |
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$out = json_decode(file_get_contents($fileName)); |
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if ($where == null) { |
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return $out; |
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} else { |
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$items = []; |
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foreach ($out as $item) { |
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$res = true; |
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foreach ($where as $key => $value) { |
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if ($item->$key != $value || !$item->$key) { |
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$res = false; |
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break; |
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} |
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} |
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if ($res) { |
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$items[] = $item; |
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} |
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if ($limit != null && count($items) >= $limit) { |
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break; |
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} |
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} |
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if (count($items) == 1) { |
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return (object)$items[0]; |
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} elseif (empty($items)) { |
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return false; |
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} else { |
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return (object)$items; |
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} |
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} |
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} else { |
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return false; |
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} |
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} |
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} |
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