citrus-cms/resources/views/admin/devextreme.php

<?php
use App\DevExtreme\LoadHelper;
//spl_autoload_register(array("DevExtreme\LoadHelper", "LoadModule"));

use App\DevExtreme\DbSet;
use App\DevExtreme\DataSourceLoader;
use App\DevExtreme\SummaryContext;

class DataController {
    private $dbSet;
    public function __construct() {
        //TODO: use your database credentials
        $connection = config('database.connections.mysql');
        $host = $connection['host'];
        $username = $connection['username'];
        $password = $connection['password'];
        $database = $connection['database'];
        $mySQL = new mysqli($host, $username, $password, $database);
        mysqli_set_charset($mySQL, "utf8");

        $table = get("table");
        if ($table === 'weld_logs' && get("module") === 'joint-release-log') {
            $table = 'joint_release_view';
        }
        $this->dbSet = new DbSet($mySQL, $table);
    }

    public function Get($params) {
        // Store module before unsetting (needed for employer view filtering)
        $module = isset($params['module']) ? $params['module'] : null;
        unset($params['table']);
        unset($params['module']);
        $excludeMechanicalSummary = false;
        if(isset($params['excludeMechanicalSummary'])) {
            $excludeMechanicalSummary = filter_var($params['excludeMechanicalSummary'], FILTER_VALIDATE_BOOLEAN) || $params['excludeMechanicalSummary'] === '1';
            unset($params['excludeMechanicalSummary']);
        }
        if(isset($params['select'])) {
     //       $params['select'] = array_unique($params['select'] );
            $uniqueArray = [];

            foreach ($params['select'] as $value) {
                // Anahtar olarak değeri kullanarak yinelenen öğeleri kontrol et
                if (!in_array($value, $uniqueArray)) {
                    // Daha önce eşleşme bulunmadıysa, bu değeri ekle
                    $uniqueArray[] = $value;
                }
            }
            $params['select'] = $uniqueArray;
        }
                
        if(!isset($params['sort'])) {
               
            $params['sort'][] = (object) [
                'selector' => 'id',
                'desc' => true
            ];
        }

        SummaryContext::setExcludeMechanical($excludeMechanicalSummary);
        $result = DataSourceLoader::Load($this->dbSet, $params, $module);
        if (!isset($result)) {
            $result = $this->dbSet->GetLastError();
        }
        return $result;
    }
    public function Post($values) {
        $result = $this->dbSet->Insert($values);
        if (!isset($result)) {
            $result = $this->dbSet->GetLastError();
        }
        return $result;
    }
    public function Put($key, $values) {
        $result = NULL;
        if (isset($key) && isset($values) && is_array($values)) {
            if (!is_array($key)) {
                $keyVal = $key;
                $key = array();
                $key["ID"] = $keyVal;
            }
            $result = $this->dbSet->Update($key, $values);
            if (!isset($result)) {
                $result = $this->dbSet->GetLastError();
            }
        }
        else {
            throw new Exeption("Invalid params");
        }
        return $result;
    }
    public function Delete($key) {
        $result = NULL;
        if (isset($key)) {
            if (!is_array($key)) {
                $keyVal = $key;
                $key = array();
                $key["ID"] = $keyVal;
            }
            $result = $this->dbSet->Delete($key);
            if (!isset($result)) {
                $result = $this->dbSet->GetLastError();
            }
        }
        else {
            throw new Exeption("Invalid params");
        }
        return $result;
    }
}

function GetParseParams($params, $assoc = false) {
    $result = NULL;
    if (is_array($params)) {
        $result = array();
        foreach ($params as $key => $value) {
            $result[$key] = json_decode($params[$key], $assoc);
            if ($result[$key] === NULL) {
                $result[$key] = $params[$key];
            }
        }
    } 
    else {
        $result = $params;
    }
    return $result;
}
function GetParamsFromInput() {
    $result = NULL;
    $content = file_get_contents("php://input");
    if ($content !== false) {
        $params = array();
        parse_str($content, $params);
        $result = GetParseParams($params, true); 
    } 
    return $result;
}
$response = NULL;
$controller = new DataController();
switch($_SERVER["REQUEST_METHOD"]) {
    case "GET": {
        $params = GetParseParams($_GET);
        $response = $controller->Get($params); 
        break;
    }
    case "POST": {
        $params = GetParamsFromInput();
        $response = $controller->Post($params["values"]); 
        break;
    }
    case "PUT": {
        $params = GetParamsFromInput();
        $response = $controller->Put($params["key"], $params["values"]); 
        break;
    }
    case "DELETE": {
        $params = GetParamsFromInput();       
        $response = $controller->Delete($params["key"]); 
        break;
    }
}
if (isset($response) && !is_string($response)) {
  //  $response = mb_convert_encoding($response, 'UTF-8', 'UTF-8');

    echo json_encode_tr($response);
}
else {
    header("HTTP/1.1 500 Internal Server Error");
    header("Content-Type: application/json");
    $errorMessage = is_string($response) ? $response : "Unknown error";
    error_log("DevExtreme error: " . $errorMessage);
    echo json_encode(array("message" => $errorMessage, "code" => 500));
}