Anonymize participants or results

<?php

// Anonymise all text responses to a survey
// anonymizeResultsAll.php
// v1.0.1

// Insert access token here
$accessToken = 'YOUR_ACCESS_TOKEN';

// Insert survey ID here
$surveyid = 'YOUR_SURVEYID';

// API-URLs
$membersApiUrl = 'https://app.easy-feedback.com/api/v2/members?surveyid=' . $surveyid;
$anonymizeApiUrl = 'https://app.easy-feedback.com/api/v2/results/anonymize';

// Function for anonymising the results
function anonymizeResults($accessToken, $anonymizeApiUrl, $memberid)
{
    $apiUrl = $anonymizeApiUrl . '?memberid=' . $memberid;

    $ch = curl_init($apiUrl);

    // Configure cURL options
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, '');
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Authorization: Bearer ' . $accessToken,
        'Content-Type: application/x-www-form-urlencoded',
    ));

    $response = curl_exec($ch);

    // Display the result as JSON
    if ($response === false) {
        $error = 'Error in the cURL request for MemberID ' . $memberid . ': ' . curl_error($ch);
        curl_close($ch);
        return ['success' => false, 'error' => $error];
    } else {
        $jsonData = json_decode($response, true);
        curl_close($ch);

        if ($jsonData === null) {
            $error = 'Error decoding the JSON response for MemberID ' . $memberid;
            return ['success' => false, 'error' => $error];
        } else {
            // Check whether anonymisation was successful
            $anonymizedCount = 0;
            foreach ($jsonData as $result) {
                if (isset($result['Answertext']) && $result['Answertext'] === '** anonymized **') {
                    $anonymizedCount++;
                }
            }

            return ['success' => true, 'anonymizedCount' => $anonymizedCount];
        }
    }
}

// API query for members
$chMembers = curl_init($membersApiUrl);
curl_setopt($chMembers, CURLOPT_RETURNTRANSFER, true);
curl_setopt($chMembers, CURLOPT_HTTPHEADER, array(
    'Authorization: Bearer ' . $accessToken,
));

$responseMembers = curl_exec($chMembers);

if ($responseMembers === false) {
    echo 'Error in the cURL request for members: ' . curl_error($chMembers);
    exit;
}

$jsonDataMembers = json_decode($responseMembers, true);

if ($jsonDataMembers === null || !isset($jsonDataMembers['results'])) {
    echo 'Error decoding the JSON response for members.';
	echo '<br><br>JSON answer: <pre>' . json_encode($jsonDataMembers, JSON_PRETTY_PRINT)."</pre>";
    exit;
}

// Enquiry counter and time of the last enquiry
$requestCounter = 0;
$anonymizedMembers = 0;
$lastRequestTime = time();

foreach ($jsonDataMembers['results'] as $member) {
    // Check whether one minute has passed since the last enquiry
    if (time() - $lastRequestTime >= 60) {
        $requestCounter = 0; // Resetting the enquiry counter
        $lastRequestTime = time(); // Updating the time of the last enquiry
    }

    // Anonymising the results
    $result = anonymizeResults($accessToken, $anonymizeApiUrl, $member['Id']);
    if ($result['success']) {
        $anonymizedMembers += $result['anonymizedCount'];
    } else {
        echo 'Error in the anonymisation for MemberID ' . $member['Id'] . ': ' . $result['error'] . PHP_EOL;
    }

    // Increasing the enquiry counter
    $requestCounter++;

    // Check whether the maximum number of requests per minute has been reached
    if ($requestCounter >= 60) {
        // Wait until one minute has passed since the last enquiry
        while (time() - $lastRequestTime < 60) {
            usleep(100000); // Wait for 100 milliseconds (0.1 seconds)
        }
        $requestCounter = 0; // Resetting the request counter after waiting
        $lastRequestTime = time(); // Updating the time of the last enquiry
    }
}

// Close cURL connection
curl_close($chMembers);

// Output of successful anonymisations
echo 'Successfully anonymised results: ' . $anonymizedMembers;

?>

<?php

// Anonymise a single text response with the Result ID X
// anonymizeOneTextAnswersByResultId.php
// v1.0.1

// Insert access token here
$accessToken = 'YOUR_ACCESS_TOKEN';

// Insert member ID here
$memberid = 'YOUR_MEMBERID';
// Insert Result ID here
$resultid = 'YOUR_RESULTID'; # z.B.: text_123456789

$apiUrl = 'https://app.easy-feedback.com/api/v2/results/anonymize?memberid=' . $memberid . '&resultid=' . $resultid;

$ch = curl_init($apiUrl);

// Configure cURL options
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, '');
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Authorization: Bearer ' . $accessToken,
    'Content-Type: application/x-www-form-urlencoded', 
));

$response = curl_exec($ch);

// Display the result as JSON
if ($response === false) {
    echo 'Error in the cURL request: ' . curl_error($ch);
} else {
    $jsonData = json_decode($response, true);
    if ($jsonData === null) {
        echo 'Error decoding the JSON response.';
    } else {
        echo 'JSON response: <pre>' . json_encode($jsonData, JSON_PRETTY_PRINT)."</pre>";
    }
}

// Close cURL connection
curl_close($ch);

?>