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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers;
use PhpMyAdmin\Core;
use PhpMyAdmin\Normalization;
use PhpMyAdmin\Response;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
use function intval;
use function json_decode;
use function json_encode;
use function min;
/**
* Normalization process (temporarily specific to 1NF).
*/
class NormalizationController extends AbstractController
{
/** @var Normalization */
private $normalization;
/**
* @param Response $response
*/
public function __construct($response, Template $template, Normalization $normalization)
{
parent::__construct($response, $template);
$this->normalization = $normalization;
}
public function index(): void
{
global $db, $table;
if (isset($_POST['getColumns'])) {
$html = '<option selected disabled>' . __('Select one…') . '</option>'
. '<option value="no_such_col">' . __('No such column') . '</option>';
//get column whose datatype falls under string category
$html .= $this->normalization->getHtmlForColumnsList(
$db,
$table,
_pgettext('string types', 'String')
);
echo $html;
return;
}
if (isset($_POST['splitColumn'])) {
$num_fields = min(4096, intval($_POST['numFields']));
$html = $this->normalization->getHtmlForCreateNewColumn($num_fields, $db, $table);
$html .= Url::getHiddenInputs($db, $table);
echo $html;
return;
}
if (isset($_POST['addNewPrimary'])) {
$num_fields = 1;
$columnMeta = [
'Field' => $table . '_id',
'Extra' => 'auto_increment',
];
$html = $this->normalization->getHtmlForCreateNewColumn(
$num_fields,
$db,
$table,
$columnMeta
);
$html .= Url::getHiddenInputs($db, $table);
echo $html;
return;
}
if (isset($_POST['findPdl'])) {
$html = $this->normalization->findPartialDependencies($table, $db);
echo $html;
return;
}
if (isset($_POST['getNewTables2NF'])) {
$partialDependencies = json_decode($_POST['pd'], true);
$html = $this->normalization->getHtmlForNewTables2NF($partialDependencies, $table);
echo $html;
return;
}
if (isset($_POST['getNewTables3NF'])) {
$dependencies = json_decode($_POST['pd']);
$tables = json_decode($_POST['tables'], true);
$newTables = $this->normalization->getHtmlForNewTables3NF($dependencies, $tables, $db);
$this->response->disable();
Core::headerJSON();
echo json_encode($newTables);
return;
}
$this->addScriptFiles(['normalization.js', 'vendor/jquery/jquery.uitablefilter.js']);
$normalForm = '1nf';
if (Core::isValid($_POST['normalizeTo'], ['1nf', '2nf', '3nf'])) {
$normalForm = $_POST['normalizeTo'];
}
if (isset($_POST['createNewTables2NF'])) {
$partialDependencies = json_decode($_POST['pd'], true);
$tablesName = json_decode($_POST['newTablesName']);
$res = $this->normalization->createNewTablesFor2NF($partialDependencies, $tablesName, $table, $db);
$this->response->addJSON($res);
return;
}
if (isset($_POST['createNewTables3NF'])) {
$newtables = json_decode($_POST['newTables'], true);
$res = $this->normalization->createNewTablesFor3NF($newtables, $db);
$this->response->addJSON($res);
return;
}
if (isset($_POST['repeatingColumns'])) {
$repeatingColumns = $_POST['repeatingColumns'];
$newTable = $_POST['newTable'];
$newColumn = $_POST['newColumn'];
$primary_columns = $_POST['primary_columns'];
$res = $this->normalization->moveRepeatingGroup(
$repeatingColumns,
$primary_columns,
$newTable,
$newColumn,
$table,
$db
);
$this->response->addJSON($res);
return;
}
if (isset($_POST['step1'])) {
$html = $this->normalization->getHtmlFor1NFStep1($db, $table, $normalForm);
$this->response->addHTML($html);
} elseif (isset($_POST['step2'])) {
$res = $this->normalization->getHtmlContentsFor1NFStep2($db, $table);
$this->response->addJSON($res);
} elseif (isset($_POST['step3'])) {
$res = $this->normalization->getHtmlContentsFor1NFStep3($db, $table);
$this->response->addJSON($res);
} elseif (isset($_POST['step4'])) {
$res = $this->normalization->getHtmlContentsFor1NFStep4($db, $table);
$this->response->addJSON($res);
} elseif (isset($_POST['step']) && $_POST['step'] == '2.1') {
$res = $this->normalization->getHtmlFor2NFstep1($db, $table);
$this->response->addJSON($res);
} elseif (isset($_POST['step']) && $_POST['step'] == '3.1') {
$tables = $_POST['tables'];
$res = $this->normalization->getHtmlFor3NFstep1($db, $tables);
$this->response->addJSON($res);
} else {
$this->response->addHTML($this->normalization->getHtmlForNormalizeTable());
}
}
}