Part-DB-server/src/Services/ImportExportSystem/PartKeeprImporter/MySQLDumpXMLConverter.php
2023-03-25 00:25:18 +01:00

107 lines
No EOL
3.4 KiB
PHP

<?php
/*
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace App\Services\ImportExportSystem\PartKeeprImporter;
class MySQLDumpXMLConverter
{
/**
* Converts a MySQL dump XML file to an associative array structure in the following form
* [
* 'table_name' => [
* [
* 'column_name' => 'value',
* 'column_name' => 'value',
* ...
* ],
* [
* 'column_name' => 'value',
* 'column_name' => 'value',
* ...
* ],
* ...
* ],
*
* @param string $xml_string The XML string to convert
* @return array The associative array structure
*/
public function convertMySQLDumpXMLDataToArrayStructure(string $xml_string): array
{
$dom = new \DOMDocument();
$dom->loadXML($xml_string);
//Check that the root node is a <mysqldump> node
$root = $dom->documentElement;
if ($root->nodeName !== 'mysqldump') {
throw new \InvalidArgumentException('The given XML string is not a valid MySQL dump XML file!');
}
//Get all <database> nodes (there must be exactly one)
$databases = $root->getElementsByTagName('database');
if ($databases->length !== 1) {
throw new \InvalidArgumentException('The given XML string is not a valid MySQL dump XML file!');
}
//Get the <database> node
$database = $databases->item(0);
//Get all <table_data> nodes
$tables = $database->getElementsByTagName('table_data');
$table_data = [];
//Iterate over all <table> nodes and convert them to arrays
foreach ($tables as $table) {
$table_data[$table->getAttribute('name')] = $this->convertTableToArray($table);
}
return $table_data;
}
private function convertTableToArray(\DOMElement $table): array
{
$table_data = [];
//Get all <row> nodes
$rows = $table->getElementsByTagName('row');
//Iterate over all <row> nodes and convert them to arrays
foreach ($rows as $row) {
$table_data[] = $this->convertTableRowToArray($row);
}
return $table_data;
}
private function convertTableRowToArray(\DOMElement $table_row): array
{
$row_data = [];
//Get all <field> nodes
$fields = $table_row->getElementsByTagName('field');
//Iterate over all <field> nodes
foreach ($fields as $field) {
$row_data[$field->getAttribute('name')] = $field->nodeValue;
}
return $row_data;
}
}