api/src/Utils.php

<?php

use Swagger\Client\ObjectSerializer;
use Symfony\Component\HttpFoundation\Response;

class Utils
{
    /**
     * @param mixed $instance Instance of object.
     * @param mixed $data Data to be loaded.
     * @return mixed Return object with data.
     */
    public function loadData($instance, $data)
    {
        foreach ($instance::attributeMap() as $property => $name) {
            if (array_key_exists($name, $data) && !is_null($data[$name])) {
                if (in_array($instance::swaggerTypes()[$property], ObjectSerializer::primitiveDataType(), true)) {
                    $propertySet = $instance::setters()[$property];
                    $instance->$propertySet($data[$name]);
                } else {
                    $obj = $instance::swaggerTypes()[$property];
                    $instanceObj = new $obj();
                    $propertySet = $instance::setters()[$property];
                    $instance->$propertySet($this->loadData($instanceObj, $data[$name]));
                }
            }
        }
        return $instance;
    }

    /**
     * @param mixed $value Value to check
     * @param mixed $result Value to check
     * @param string $function Name of function
     * @return null|mixed Return object with data.
     */
    public function valueExists($value, $result, $function)
    {
        if (!is_null($result) && count($result) > 0) {
            // busco por external id
            foreach ($result as $item) {
                if ($item->$function() == $value) {
                    return $item;
                }
            }
        }
        return null;
    }

    /**
     * Check value lower case.
     * @param mixed $value Value to check
     * @param mixed $result Value to check
     * @param string $function Name of function
     * @return null|mixed Return object with data.
     */
    public function valueExistsLower($value, $result, $function)
    {
        if (!is_null($result) && count($result) > 0) {
            // busco por external id
            foreach ($result as $item) {
                if (strtolower($item->$function()) == strtolower($value)) {
                    return $item;
                }
            }
        }
        return null;
    }

    /**
     * Return JSON response with data or {message:messages}.
     * @param string $content contento to return
     * @param integer $result code of response
     * @return Response Return Response.
     */
    public function returnJSON($content, $codeResponse = 400) {

        json_decode($content,true);
        if(json_last_error() != JSON_ERROR_NONE) 
            $content = json_encode(['message' => $content]);

        
        return new Response($content, $codeResponse, ['content-type' => 'application/json']);
    }
}