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barometer-server/common.php
Tom Hempel 70dca17451
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2026-07-01 09:33:44 +02:00

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PHP

<?php
// /var/www/html/common.php
// Gemeinsame Helfer für Token-Validierung, Key-Derivation (HKDF) und AES (CBC, IV vorangestellt).
require_once __DIR__ . '/lib/text_sanitize.php';
/**
* Values loaded from the project .env file (see qdb_load_dotenv).
*
* @var array<string, string>
*/
$GLOBALS['qdb_dotenv'] = [];
function qdb_env_file_path(): string {
return __DIR__ . '/.env';
}
/**
* Parse a dotenv file. Does not use getenv/putenv.
* Not cached when unreadable (FPM workers can start before .env exists).
*
* @return array<string, string>
*/
function qdb_parse_env_file(string $path): array {
static $cache = [];
$mtime = @filemtime($path) ?: 0;
$cacheKey = $path . "\0" . $mtime;
if ($mtime > 0 && isset($cache[$cacheKey])) {
return $cache[$cacheKey];
}
$out = [];
if (!is_readable($path)) {
return $out;
}
$lines = file($path, FILE_IGNORE_NEW_LINES);
if ($lines === false) {
return $out;
}
foreach ($lines as $line) {
$line = trim($line);
if ($line === '' || $line[0] === '#') {
continue;
}
$eq = strpos($line, '=');
if ($eq === false) {
continue;
}
$name = trim(substr($line, 0, $eq));
$value = trim(substr($line, $eq + 1));
if ($name === '') {
continue;
}
$len = strlen($value);
if ($len >= 2) {
$q = $value[0];
if (($q === '"' && $value[$len - 1] === '"') || ($q === "'" && $value[$len - 1] === "'")) {
$value = substr($value, 1, -1);
}
}
$out[$name] = $value;
}
if ($mtime > 0) {
$cache[$cacheKey] = $out;
}
return $out;
}
/**
* Read an environment variable (.env file first, then getenv / $_ENV / $_SERVER).
*/
function qdb_env_get(string $name): ?string {
$fileVars = qdb_parse_env_file(qdb_env_file_path());
if (isset($fileVars[$name]) && $fileVars[$name] !== '') {
return $fileVars[$name];
}
if (isset($GLOBALS['qdb_dotenv'][$name]) && $GLOBALS['qdb_dotenv'][$name] !== '') {
return $GLOBALS['qdb_dotenv'][$name];
}
// Do not use getenv() for QDB_MASTER_KEY — FPM can retain a stale system value
// when .env was missing on the worker's first request.
if ($name === 'QDB_MASTER_KEY') {
return null;
}
$v = getenv($name);
if ($v !== false && $v !== '') {
return $v;
}
if (isset($_ENV[$name]) && $_ENV[$name] !== '') {
return (string)$_ENV[$name];
}
if (isset($_SERVER[$name]) && $_SERVER[$name] !== '') {
return (string)$_SERVER[$name];
}
return null;
}
/** Set an environment variable for the current request (best-effort putenv). */
function qdb_env_set(string $name, string $value): void {
$_ENV[$name] = $value;
$_SERVER[$name] = $value;
if (function_exists('putenv')) {
@putenv("$name=$value");
}
}
/** Load KEY=value pairs from .env into $GLOBALS['qdb_dotenv'] and $_ENV. */
function qdb_load_dotenv(string $path): void {
foreach (qdb_parse_env_file($path) as $name => $value) {
$GLOBALS['qdb_dotenv'][$name] = $value;
qdb_env_set($name, $value);
}
}
qdb_load_dotenv(qdb_env_file_path());
// --- MASTER-KEY (Server-seitig zum Speichern der DB) ---
// Per ENV 'QDB_MASTER_KEY' (Base64- oder ASCII-String).
function get_master_key_bytes(): string {
$env = qdb_env_get('QDB_MASTER_KEY');
if ($env === null) {
$hint = is_readable(qdb_env_file_path()) ? 'missing QDB_MASTER_KEY in .env'
: '.env not readable by PHP (' . qdb_env_file_path() . ')';
throw new RuntimeException('QDB_MASTER_KEY is not set. ' . $hint);
}
$b = base64_decode($env, true);
if ($b !== false && strlen($b) > 0) {
return str_pad(substr($b, 0, 32), 32, "\0");
}
return str_pad(substr($env, 0, 32), 32, "\0");
}
// --- HKDF (SHA-256) über Token -> Session-Key (32 Byte) ---
// Kompatibel zu Android-Implementierung: salt = leer, info = "qdb-aes"
function hkdf_session_key_from_token(string $tokenHex, string $info = 'qdb-aes', int $len = 32): string {
$ikm = @hex2bin(trim($tokenHex));
if ($ikm === false) $ikm = $tokenHex; // Falls bereits binär
if (function_exists('hash_hkdf')) {
return hash_hkdf('sha256', $ikm, $len, $info, '');
}
// Fallback: eigene HKDF-Implementierung
$hashLen = 32;
$salt = str_repeat("\0", $hashLen);
$prk = hash_hmac('sha256', $ikm, $salt, true);
$okm = '';
$t = '';
$n = (int)ceil($len / $hashLen);
for ($i = 1; $i <= $n; $i++) {
$t = hash_hmac('sha256', $t . $info . chr($i), $prk, true);
$okm .= $t;
}
return substr($okm, 0, $len);
}
// --- Token-Storage (DB-backed via session table) ---
function token_storage_key(string $token): string {
return hash('sha256', $token);
}
function token_add(string $token, int $ttlSeconds = 86400, array $extra = []): void {
require_once __DIR__ . '/db_init.php';
[$pdo, $tmpDb, $lockFp] = qdb_open(true);
$now = time();
$pdo->prepare(
"INSERT INTO session (token, userID, role, entityID, createdAt, expiresAt, temp)
VALUES (:t, :uid, :role, :eid, :ca, :ea, :tmp)"
)->execute([
':t' => token_storage_key($token),
':uid' => $extra['userID'] ?? '',
':role' => $extra['role'] ?? '',
':eid' => $extra['entityID'] ?? '',
':ca' => $now,
':ea' => $now + $ttlSeconds,
':tmp' => (int)(!empty($extra['temp'])),
]);
// Opportunistic cleanup: remove expired sessions
$pdo->prepare("DELETE FROM session WHERE expiresAt < :now")->execute([':now' => $now]);
qdb_save($tmpDb, $lockFp);
}
function token_get_record(string $token, bool $refreshExpiry = true): ?array {
require_once __DIR__ . '/db_init.php';
require_once __DIR__ . '/lib/settings.php';
[$pdo, $tmpDb, $lockFp] = qdb_open($refreshExpiry);
$now = time();
$stmt = $pdo->prepare("SELECT * FROM session WHERE token = :t AND expiresAt >= :now");
$storedToken = token_storage_key($token);
$stmt->execute([':t' => $storedToken, ':now' => $now]);
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!$row) {
qdb_discard($tmpDb, $lockFp);
return null;
}
if ($refreshExpiry) {
$settings = qdb_settings_get_on_pdo($pdo);
$newExpiry = $now + qdb_session_ttl_seconds($settings, !empty($row['temp']));
$pdo->prepare('UPDATE session SET expiresAt = :exp WHERE token = :t')
->execute([':exp' => $newExpiry, ':t' => $storedToken]);
$row['expiresAt'] = $newExpiry;
qdb_save($tmpDb, $lockFp);
} else {
qdb_discard($tmpDb, $lockFp);
}
// Map DB columns to the keys the rest of the codebase expects
return [
'token' => $row['token'],
'role' => $row['role'],
'entityID' => $row['entityID'],
'userID' => $row['userID'],
'created' => (int)$row['createdAt'],
'exp' => (int)$row['expiresAt'],
'temp' => (int)$row['temp'],
];
}
function token_revoke(string $token): void {
require_once __DIR__ . '/db_init.php';
[$pdo, $tmpDb, $lockFp] = qdb_open(true);
$pdo->prepare("DELETE FROM session WHERE token = :t")->execute([':t' => token_storage_key($token)]);
qdb_save($tmpDb, $lockFp);
}
/** Revoke all sessions for one user on an open writable connection. */
function token_revoke_all_for_user_on_pdo(PDO $pdo, string $userID): int {
if ($userID === '') {
return 0;
}
$stmt = $pdo->prepare('DELETE FROM session WHERE userID = :uid');
$stmt->execute([':uid' => $userID]);
return $stmt->rowCount();
}
/** Revoke every login session for a user (after password change or admin reset). */
function token_revoke_all_for_user(string $userID): int {
if ($userID === '') {
return 0;
}
require_once __DIR__ . '/db_init.php';
[$pdo, $tmpDb, $lockFp] = qdb_open(true);
$removed = token_revoke_all_for_user_on_pdo($pdo, $userID);
qdb_save($tmpDb, $lockFp);
return $removed;
}
/** Revoke every stored session (all users and devices). */
function token_revoke_all_on_pdo(PDO $pdo): int
{
if (!qdb_table_exists($pdo, 'session')) {
return 0;
}
$count = (int)$pdo->query('SELECT COUNT(*) FROM session')->fetchColumn();
$pdo->exec('DELETE FROM session');
return $count;
}
function token_revoke_all(): int
{
require_once __DIR__ . '/db_init.php';
[$pdo, $tmpDb, $lockFp] = qdb_open(true);
$removed = token_revoke_all_on_pdo($pdo);
qdb_save($tmpDb, $lockFp);
return $removed;
}
// --- Auth helpers for endpoints ---
function get_bearer_token(): ?string {
$auth = $_SERVER['HTTP_AUTHORIZATION'] ?? ($_SERVER['Authorization'] ?? '');
if (stripos($auth, 'Bearer ') === 0) {
return substr($auth, 7);
}
return null;
}
function require_valid_token(): array {
$token = get_bearer_token();
if (!$token) {
json_error('UNAUTHORIZED', 'Missing Bearer token', 401);
}
$rec = token_get_record($token);
if (!$rec) {
json_error('UNAUTHORIZED', 'Invalid or expired token', 401);
}
if (!empty($rec['temp'])) {
json_error('PASSWORD_CHANGE_REQUIRED', 'Password change required before access', 403);
}
$rec['_token'] = $token;
return $rec;
}
function require_role(array $allowed, array $tokenRecord): void {
$role = $tokenRecord['role'] ?? '';
if (!in_array($role, $allowed, true)) {
json_error('FORBIDDEN', 'Insufficient permissions', 403);
}
}
/** Roles that may use the management website (not the mobile app). */
function qdb_web_roles(): array {
return ['admin', 'supervisor'];
}
/** True when the request originates from the management website (see website/js/api.js). */
function qdb_is_web_client_request(): bool {
$h = $_SERVER['HTTP_X_QDB_CLIENT'] ?? '';
return strtolower(trim($h)) === 'web';
}
/** Website or coordinator mobile app — not the counselor field app. */
function qdb_is_management_client_request(): bool {
$h = strtolower(trim($_SERVER['HTTP_X_QDB_CLIENT'] ?? ''));
return in_array($h, ['web', 'coordinator'], true);
}
/** Reject coach sign-in from management clients; coaches use the field app only. */
function qdb_reject_coach_web_login(string $role): void {
if ($role === 'coach' && qdb_is_management_client_request()) {
json_error(
'FORBIDDEN',
'Counselor accounts can only sign in through the mobile app.',
403
);
}
}
/** Valid bearer token plus admin/supervisor role (website API). */
function require_valid_token_web(): array {
$rec = require_valid_token();
require_role(qdb_web_roles(), $rec);
return $rec;
}
/**
* Build a SQL WHERE clause fragment that restricts client visibility by role.
* Returns [string $clause, array $params].
* $clientAlias is the table alias or name that has a coachID column (e.g. 'client').
*/
/**
* @param string $archiveMode active — non-archived only (default); archived — archived only; all — no archive filter
*/
function rbac_client_filter(
array $tokenRecord,
string $clientAlias = 'client',
string $archiveMode = 'active'
): array {
$role = $tokenRecord['role'] ?? '';
$entityID = $tokenRecord['entityID'] ?? '';
switch ($role) {
case 'admin':
$clause = '1=1';
$params = [];
break;
case 'supervisor':
$clause = "$clientAlias.coachID IN (SELECT coachID FROM coach WHERE supervisorID = :rbac_eid)";
$params = [':rbac_eid' => $entityID];
break;
case 'coach':
$clause = "$clientAlias.coachID = :rbac_eid";
$params = [':rbac_eid' => $entityID];
break;
default:
return ['0=1', []];
}
$archiveClause = match ($archiveMode) {
'archived' => "COALESCE($clientAlias.archived, 0) = 1",
'all' => '1=1',
default => "COALESCE($clientAlias.archived, 0) = 0",
};
return ["($clause) AND ($archiveClause)", $params];
}
// --- Translations: German (de) is the canonical source language ---
define('QDB_SOURCE_LANGUAGE', 'de');
function qdb_ensure_source_language(PDO $pdo): void {
$pdo->prepare("INSERT INTO language (languageCode, name) VALUES (:lc, :n)
ON CONFLICT(languageCode) DO NOTHING")
->execute([':lc' => QDB_SOURCE_LANGUAGE, ':n' => 'German']);
}
function qdb_upsert_source_translation(PDO $pdo, string $type, string $id, string $text): void {
qdb_put_translation($pdo, $type, $id, QDB_SOURCE_LANGUAGE, $text);
}
/** Catalog of global app UI string keys (LanguageManager). */
function qdb_app_string_catalog(bool $reload = false): array {
static $catalog = null;
if (!$reload && $catalog !== null) {
return $catalog;
}
$path = qdb_app_string_catalog_path();
if (!is_readable($path)) {
$catalog = ['keys' => [], 'germanDefaults' => []];
return $catalog;
}
$data = json_decode(file_get_contents($path), true);
$catalog = is_array($data) ? $data : ['keys' => [], 'germanDefaults' => []];
return $catalog;
}
function qdb_app_string_catalog_path(): string {
return __DIR__ . '/data/app_ui_strings.json';
}
/** Remove questionnaire_group_* from catalog file (keys list + germanDefaults). */
function qdb_remove_questionnaire_group_from_catalog(string $stringKey): void {
if (!qdb_is_questionnaire_group_string_key($stringKey)) {
return;
}
$path = qdb_app_string_catalog_path();
if (!is_readable($path) || !is_writable($path)) {
return;
}
$data = json_decode(file_get_contents($path), true);
if (!is_array($data)) {
return;
}
$changed = false;
if (!empty($data['keys']) && is_array($data['keys'])) {
$next = array_values(array_filter(
$data['keys'],
fn($k) => (string)$k !== $stringKey
));
if (count($next) !== count($data['keys'])) {
$data['keys'] = $next;
$changed = true;
}
}
if (!empty($data['germanDefaults']) && is_array($data['germanDefaults']) && array_key_exists($stringKey, $data['germanDefaults'])) {
unset($data['germanDefaults'][$stringKey]);
$changed = true;
}
if (!$changed) {
return;
}
file_put_contents(
$path,
json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n",
LOCK_EX
);
qdb_app_string_catalog(true);
}
function qdb_app_string_key_set(): array {
$keys = qdb_app_string_catalog()['keys'] ?? [];
return array_flip($keys);
}
/** Keys for dev-only UI (database export, etc.) — excluded from website App UI and app sync catalog. */
function qdb_dev_only_app_string_key_set(): array {
static $set = null;
if ($set !== null) {
return $set;
}
$set = array_flip([
'database',
'database_clients_title',
'download_header',
'export_success_downloads',
'export_failed',
'headers',
'view_missing',
'no_header_template_found',
'saved_pdf_csv',
'no_pdf_viewer',
'save_error',
'no_clients_available',
'questionnaire_id',
'questionnaires',
'status',
'data',
'data_final_warning',
'open_client_via_load',
'ask_before_upload',
'You have completed questionnaires that have not been uploaded yet.',
'You have completed questionnaires that have not been uploaded yet. Tap to open the app and upload.',
]);
return $set;
}
/** Prefix for app UI strings that label questionnaire category groups on the opening screen. */
function qdb_questionnaire_group_prefix(): string {
return 'questionnaire_group_';
}
function qdb_questionnaire_group_string_key(string $categoryKey): string {
$categoryKey = trim($categoryKey);
return $categoryKey === '' ? '' : qdb_questionnaire_group_prefix() . $categoryKey;
}
function qdb_is_questionnaire_group_string_key(string $stringKey): bool {
return str_starts_with($stringKey, qdb_questionnaire_group_prefix());
}
function qdb_category_key_from_group_string_key(string $stringKey): string {
$prefix = qdb_questionnaire_group_prefix();
return str_starts_with($stringKey, $prefix) ? substr($stringKey, strlen($prefix)) : '';
}
/** @return array<string, int> categoryKey => questionnaire count */
function qdb_category_keys_in_use(PDO $pdo): array {
$map = [];
$rows = $pdo->query(
"SELECT categoryKey, COUNT(*) AS c FROM questionnaire
WHERE trim(categoryKey) != '' GROUP BY categoryKey"
)->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $row) {
$k = trim((string)($row['categoryKey'] ?? ''));
if ($k !== '') {
$map[$k] = (int)$row['c'];
}
}
return $map;
}
/**
* App string entries for category keys in use (not already in the static JSON catalog keys list).
* @return list<array{key: string, displayKey: string, type: string, entityId: string, sortOrder: int, germanDefault: string, categoryKey: string}>
*/
function qdb_category_group_string_entries(PDO $pdo): array {
$catalog = qdb_app_string_catalog();
$defaults = $catalog['germanDefaults'] ?? [];
$staticKeys = qdb_app_string_key_set();
$entries = [];
$order = 0;
foreach (qdb_category_keys_in_use($pdo) as $catKey => $_count) {
$stringKey = qdb_questionnaire_group_string_key($catKey);
if ($stringKey === '' || isset($staticKeys[$stringKey])) {
continue;
}
$entries[] = [
'key' => $stringKey,
'displayKey' => $stringKey,
'type' => 'app_string',
'entityId' => $stringKey,
'sortOrder' => $order++,
'germanDefault' => $defaults[$stringKey] ?? $catKey,
'categoryKey' => $catKey,
];
}
usort($entries, fn($a, $b) => strcmp($a['categoryKey'], $b['categoryKey']));
return $entries;
}
/**
* Category keys with translations in DB but no questionnaire using them.
* @return list<string>
*/
function qdb_orphaned_category_keys(PDO $pdo): array {
$inUse = qdb_category_keys_in_use($pdo);
$prefix = qdb_questionnaire_group_prefix();
$orphans = [];
$stmt = $pdo->query(
"SELECT DISTINCT stringKey FROM string_translation WHERE stringKey LIKE " . $pdo->quote($prefix . '%')
);
foreach ($stmt->fetchAll(PDO::FETCH_COLUMN) as $stringKey) {
$catKey = qdb_category_key_from_group_string_key((string)$stringKey);
if ($catKey !== '' && !isset($inUse[$catKey])) {
$orphans[$catKey] = true;
}
}
ksort($orphans);
return array_keys($orphans);
}
/**
* @return list<array{categoryKey: string, stringKey: string, questionnaireCount: int, orphaned: bool, germanLabel: string}>
*/
function qdb_list_category_keys_for_dashboard(PDO $pdo): array {
$defaults = qdb_app_string_catalog()['germanDefaults'] ?? [];
$inUse = qdb_category_keys_in_use($pdo);
$list = [];
$loadGerman = function (string $stringKey) use ($pdo, $defaults): string {
$stmt = $pdo->prepare(
'SELECT text FROM string_translation WHERE stringKey = :k AND languageCode = :lang LIMIT 1'
);
$stmt->execute([':k' => $stringKey, ':lang' => QDB_SOURCE_LANGUAGE]);
$text = $stmt->fetchColumn();
if (is_string($text) && $text !== '') {
return $text;
}
return $defaults[$stringKey] ?? '';
};
foreach ($inUse as $catKey => $count) {
$stringKey = qdb_questionnaire_group_string_key($catKey);
$list[] = [
'categoryKey' => $catKey,
'stringKey' => $stringKey,
'questionnaireCount' => $count,
'orphaned' => false,
'germanLabel' => $loadGerman($stringKey) ?: $catKey,
];
}
foreach (qdb_orphaned_category_keys($pdo) as $catKey) {
$stringKey = qdb_questionnaire_group_string_key($catKey);
$list[] = [
'categoryKey' => $catKey,
'stringKey' => $stringKey,
'questionnaireCount' => 0,
'orphaned' => true,
'germanLabel' => $loadGerman($stringKey) ?: $catKey,
];
}
usort($list, fn($a, $b) => strcmp($a['categoryKey'], $b['categoryKey']));
return $list;
}
/** Persist default German for a questionnaire_group_* key in app_ui_strings.json. */
function qdb_update_questionnaire_group_german_default(string $stringKey, string $text): void {
if (!qdb_is_questionnaire_group_string_key($stringKey)) {
return;
}
$path = qdb_app_string_catalog_path();
if (!is_readable($path) || !is_writable($path)) {
return;
}
$data = json_decode(file_get_contents($path), true);
if (!is_array($data)) {
return;
}
if (!isset($data['germanDefaults']) || !is_array($data['germanDefaults'])) {
$data['germanDefaults'] = [];
}
if (($data['germanDefaults'][$stringKey] ?? '') === $text) {
return;
}
$data['germanDefaults'][$stringKey] = $text;
file_put_contents(
$path,
json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n",
LOCK_EX
);
qdb_app_string_catalog(true);
}
/** Set German label for a category (app opening screen group title). */
function qdb_set_category_german_label(PDO $pdo, string $categoryKey, string $text): string {
$categoryKey = trim($categoryKey);
if ($categoryKey === '') {
json_error('INVALID_FIELD', 'categoryKey is required', 400);
}
$text = trim($text);
if ($text === '') {
json_error('INVALID_FIELD', 'German label is required', 400);
}
$stringKey = qdb_questionnaire_group_string_key($categoryKey);
qdb_set_app_string_german_label($pdo, $stringKey, $text);
qdb_update_questionnaire_group_german_default($stringKey, $text);
return $stringKey;
}
/**
* Remove a category key completely: clear questionnaires, translations, and catalog defaults.
* @return int questionnaires updated
*/
function qdb_delete_category_key(PDO $pdo, string $categoryKey): int {
$categoryKey = trim($categoryKey);
if ($categoryKey === '') {
json_error('INVALID_FIELD', 'categoryKey is required', 400);
}
$stringKey = qdb_questionnaire_group_string_key($categoryKey);
$stmt = $pdo->prepare('UPDATE questionnaire SET categoryKey = \'\' WHERE categoryKey = :ck');
$stmt->execute([':ck' => $categoryKey]);
$cleared = $stmt->rowCount();
$pdo->prepare('DELETE FROM string_translation WHERE stringKey = :k')
->execute([':k' => $stringKey]);
qdb_remove_questionnaire_group_from_catalog($stringKey);
return $cleared;
}
/**
* Global app UI strings (screens, toasts, auth, etc.) for the mobile app.
* @return list<array{key: string, type: string, entityId: string, sortOrder: int}>
*/
function qdb_app_ui_string_entries(): array {
$catalog = qdb_app_string_catalog();
$defaults = $catalog['germanDefaults'] ?? [];
$entries = [];
$order = 0;
foreach ($catalog['keys'] ?? [] as $key) {
if (qdb_is_questionnaire_group_string_key($key)) {
continue;
}
$entries[] = [
'key' => $key,
'displayKey' => $key,
'type' => 'app_string',
'entityId' => $key,
'sortOrder' => $order++,
'germanDefault' => $defaults[$key] ?? $key,
];
}
return $entries;
}
/**
* Static catalog plus questionnaire_group_* keys for categoryKey values in use.
* @return list<array{key: string, type: string, entityId: string, sortOrder: int}>
*/
/** messageKey field inside questionnaire conditionJson (app locked hint). */
function qdb_message_key_from_condition_json(?string $json): string {
if ($json === null || trim($json) === '' || trim($json) === '{}') {
return '';
}
$obj = json_decode($json, true);
if (!is_array($obj)) {
return '';
}
$key = trim((string)($obj['messageKey'] ?? ''));
return $key !== '' && qdb_is_stable_key($key) ? $key : '';
}
/** @return array<string, true> */
function qdb_collect_condition_message_keys(PDO $pdo): array {
$keys = [];
foreach ($pdo->query('SELECT conditionJson FROM questionnaire')->fetchAll(PDO::FETCH_COLUMN) as $json) {
$mk = qdb_message_key_from_condition_json($json);
if ($mk !== '') {
$keys[$mk] = true;
}
}
return $keys;
}
/**
* App string entries for condition messageKey values referenced in questionnaire conditions.
* @return list<array{key: string, displayKey: string, type: string, entityId: string, sortOrder: int, germanDefault: string}>
*/
function qdb_condition_message_string_entries(PDO $pdo): array {
$staticKeys = qdb_app_string_key_set();
$defaults = qdb_app_string_catalog()['germanDefaults'] ?? [];
$entries = [];
$order = 0;
foreach (array_keys(qdb_collect_condition_message_keys($pdo)) as $key) {
if (isset($staticKeys[$key])) {
continue;
}
$entries[] = [
'key' => $key,
'displayKey' => $key,
'type' => 'app_string',
'entityId' => $key,
'sortOrder' => $order++,
'germanDefault' => $defaults[$key] ?? $key,
];
}
usort($entries, fn($a, $b) => strcmp($a['key'], $b['key']));
return $entries;
}
function qdb_update_app_string_german_default(string $stringKey, string $text): void {
$path = qdb_app_string_catalog_path();
if (!is_readable($path) || !is_writable($path)) {
return;
}
$data = json_decode(file_get_contents($path), true);
if (!is_array($data)) {
return;
}
if (!isset($data['germanDefaults']) || !is_array($data['germanDefaults'])) {
$data['germanDefaults'] = [];
}
if (($data['germanDefaults'][$stringKey] ?? '') === $text) {
return;
}
$data['germanDefaults'][$stringKey] = $text;
file_put_contents(
$path,
json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n",
LOCK_EX
);
qdb_app_string_catalog(true);
}
function qdb_set_app_string_german_label(PDO $pdo, string $stringKey, string $text): void {
$stringKey = qdb_validate_stable_key($stringKey, 'messageKey');
$text = trim($text);
if ($text === '') {
json_error('INVALID_FIELD', 'German label is required', 400);
}
qdb_put_translation($pdo, 'app_string', $stringKey, QDB_SOURCE_LANGUAGE, $text);
qdb_update_app_string_german_default($stringKey, $text);
}
function qdb_app_ui_string_entries_merged(PDO $pdo): array {
$merged = qdb_app_ui_string_entries();
$existing = [];
foreach ($merged as $e) {
$existing[$e['key']] = true;
}
$order = count($merged);
foreach (qdb_category_group_string_entries($pdo) as $e) {
if (!isset($existing[$e['key']])) {
$e['sortOrder'] = $order++;
$merged[] = $e;
$existing[$e['key']] = true;
}
}
foreach (qdb_condition_message_string_entries($pdo) as $e) {
if (!isset($existing[$e['key']])) {
$e['sortOrder'] = $order++;
$merged[] = $e;
$existing[$e['key']] = true;
}
}
return $merged;
}
/**
* All string keys referenced by questionnaire content (questions, options, config).
* @return array<string, true>
*/
function qdb_all_questionnaire_translation_key_set(PDO $pdo): array {
static $cache = null;
if ($cache !== null) {
return $cache;
}
$keys = [];
$rows = $pdo->query("SELECT defaultText, configJson FROM question")->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $dbQ) {
$config = json_decode($dbQ['configJson'] ?: '{}', true) ?: [];
$qk = qdb_question_key($config, $dbQ['defaultText']);
if ($qk !== '') {
$keys[$qk] = true;
if (!empty($config['noteBefore'])) {
$keys[qdb_note_before_key($qk)] = true;
}
if (!empty($config['noteAfter'])) {
$keys[qdb_note_after_key($qk)] = true;
}
} elseif ($dbQ['defaultText'] !== '') {
$keys[$dbQ['defaultText']] = true;
}
foreach (['textKey', 'textKey1', 'textKey2', 'hint', 'hint1', 'hint2'] as $field) {
if (!empty($config[$field])) {
$keys[$config[$field]] = true;
}
}
if (!empty($config['symptoms']) && is_array($config['symptoms'])) {
foreach ($config['symptoms'] as $s) {
if ($s !== '') {
$keys[$s] = true;
}
}
}
if (!empty($config['options']) && is_array($config['options'])) {
foreach ($config['options'] as $opt) {
if (is_string($opt) && $opt !== '') {
$keys[$opt] = true;
} elseif (is_array($opt) && !empty($opt['key'])) {
$keys[$opt['key']] = true;
}
}
}
}
foreach ($pdo->query("SELECT defaultText FROM answer_option")->fetchAll(PDO::FETCH_COLUMN) as $text) {
if ($text !== '') {
$keys[$text] = true;
}
}
$cache = $keys;
return $cache;
}
/**
* App UI catalog for the website Translations page (coach-visible, no dev-only keys).
* Catalog keys always appear here even when also used inside a questionnaire (e.g. "save").
*/
function qdb_app_ui_string_entries_for_website(PDO $pdo): array {
$dev = qdb_dev_only_app_string_key_set();
$entries = [];
foreach (qdb_app_ui_string_entries_merged($pdo) as $e) {
if (!isset($dev[$e['key']])) {
$entries[] = $e;
}
}
return $entries;
}
/** Upsert one translation row; sync German text into defaultText for questions/options. */
function qdb_put_translation(PDO $pdo, string $type, string $id, string $lang, string $text): void {
if ($type === 'question') {
$pdo->prepare("INSERT INTO question_translation (questionID, languageCode, text)
VALUES (:id, :lang, :t)
ON CONFLICT(questionID, languageCode) DO UPDATE SET text = excluded.text")
->execute([':id' => $id, ':lang' => $lang, ':t' => $text]);
if ($lang === QDB_SOURCE_LANGUAGE) {
$pdo->prepare("UPDATE question SET defaultText = :t WHERE questionID = :id")
->execute([':t' => $text, ':id' => $id]);
}
} elseif ($type === 'answer_option') {
$pdo->prepare("INSERT INTO answer_option_translation (answerOptionID, languageCode, text)
VALUES (:id, :lang, :t)
ON CONFLICT(answerOptionID, languageCode) DO UPDATE SET text = excluded.text")
->execute([':id' => $id, ':lang' => $lang, ':t' => $text]);
// defaultText holds optionKey; German label lives only in answer_option_translation.
} elseif ($type === 'string' || $type === 'app_string') {
$pdo->prepare("INSERT INTO string_translation (stringKey, languageCode, text)
VALUES (:id, :lang, :t)
ON CONFLICT(stringKey, languageCode) DO UPDATE SET text = excluded.text")
->execute([':id' => $id, ':lang' => $lang, ':t' => $text]);
}
}
/** Short label for translation UI (Key column); full text stays in `key` for API lookup. */
function qdb_translation_display_key(array $e): string {
return qdb_translation_row_label($e);
}
function qdb_short_entity_label(string $entityId): string {
$pos = strrpos($entityId, '__');
return $pos !== false ? substr($entityId, $pos + 2) : $entityId;
}
function qdb_require_non_empty_german(string $text, string $label = 'German text'): void {
if ($text === '') {
json_error('MISSING_FIELDS', "$label is required", 400);
}
}
/** Stable identifier: snake_case starting with a letter (case preserved for LM keys). */
function qdb_is_stable_key(string $s): bool {
return $s !== '' && (bool)preg_match('/^[a-zA-Z][a-zA-Z0-9_]*$/', $s);
}
/**
* Coerce an arbitrary key string into a stable identifier (letters, digits, underscores;
* must start with a letter). Used on import and API writes so bundles are not limited to
* pre-validated keys (e.g. numeric option labels "1", "42").
*/
function qdb_normalize_stable_key(string $s): string {
$s = trim($s);
if ($s === '') {
return '';
}
if (qdb_is_stable_key($s)) {
return $s;
}
$out = preg_replace('/[^a-zA-Z0-9_]+/', '_', $s);
$out = preg_replace('/_+/', '_', $out ?? '');
$out = trim($out, '_');
if ($out === '') {
return 'k_' . substr(hash('crc32b', $s), 0, 8);
}
if (!preg_match('/^[a-zA-Z]/', $out)) {
$out = 'k_' . $out;
}
return qdb_is_stable_key($out) ? $out : 'k_' . substr(hash('crc32b', $s), 0, 8);
}
function qdb_validate_stable_key(string $s, string $label = 'Key'): string {
$s = trim($s);
if ($s === '') {
json_error('INVALID_FIELD', "$label is required", 400);
}
$normalized = qdb_normalize_stable_key($s);
if (!qdb_is_stable_key($normalized)) {
json_error('INVALID_FIELD', "$label could not be normalized to a valid key", 400);
}
return $normalized;
}
/** Resolve app lookup key for a question row. */
function qdb_question_key(array $config, string $defaultText): string {
$key = trim((string)($config['questionKey'] ?? ''));
if ($key !== '' && qdb_is_stable_key($key)) {
return $key;
}
if (qdb_is_stable_key($defaultText)) {
return $defaultText;
}
return '';
}
/** Option key is stored in answer_option.defaultText. */
function qdb_option_key(array $aoRow): string {
$dt = trim((string)($aoRow['defaultText'] ?? ''));
return qdb_is_stable_key($dt) ? $dt : '';
}
/** Human-readable text for glass-scale answers stored as JSON on the parent question row. */
function qdb_format_glass_answer_json(?string $raw): string
{
if ($raw === null || trim($raw) === '') {
return '';
}
$decoded = json_decode($raw, true);
if (!is_array($decoded)) {
return $raw;
}
$parts = [];
foreach ($decoded as $key => $val) {
$val = trim((string)$val);
if ($val === '') {
continue;
}
$parts[] = $key . ': ' . $val;
}
return implode('; ', $parts);
}
/**
* Map glass symptom string keys to parent questionID for one questionnaire.
*
* @return array<string, string> symptomKey => parentQuestionID
*/
function qdb_glass_symptom_parent_map(PDO $pdo, string $qnID): array
{
$stmt = $pdo->prepare(
"SELECT questionID, configJson FROM question WHERE questionnaireID = :qn AND type = 'glass_scale_question'"
);
$stmt->execute([':qn' => $qnID]);
$map = [];
foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $row) {
$cfg = json_decode($row['configJson'] ?? '{}', true) ?: [];
foreach ($cfg['symptoms'] ?? [] as $symptomKey) {
$sk = trim((string)$symptomKey);
if ($sk !== '') {
$map[$sk] = $row['questionID'];
}
}
}
return $map;
}
/** Merge symptom => label selections into JSON for one glass-scale parent question. */
function qdb_merge_glass_symptom_json(?string $existingJson, array $symptomLabels): string
{
$data = [];
if ($existingJson !== null && trim($existingJson) !== '') {
$decoded = json_decode($existingJson, true);
if (is_array($decoded)) {
$data = $decoded;
}
}
foreach ($symptomLabels as $key => $label) {
$k = trim((string)$key);
$v = trim((string)$label);
if ($k !== '' && $v !== '') {
$data[$k] = $v;
}
}
return json_encode($data, JSON_UNESCAPED_UNICODE);
}
/** Single symptom value from glass-scale JSON stored on the parent question row. */
function qdb_glass_symptom_answer_value(?string $json, string $symptomKey): string
{
$symptomKey = trim($symptomKey);
if ($symptomKey === '' || $json === null || trim($json) === '') {
return '';
}
$decoded = json_decode($json, true);
if (!is_array($decoded)) {
return '';
}
return trim((string)($decoded[$symptomKey] ?? ''));
}
/**
* Question types that exist only for app/editor flow (no answer payload to persist).
*/
function qdb_is_non_stored_answer_question_type(string $type): bool
{
return $type === 'last_page';
}
/**
* Flat columns for results / CSV: one column per glass-scale symptom.
*
* @return list<array{header: string, questionID: string, symptomKey: ?string, kind: string, question: array}>
*/
function qdb_results_export_columns(array $questions, string $qnID): array
{
$columns = [];
foreach ($questions as $q) {
$cfg = json_decode($q['configJson'] ?? '{}', true) ?: [];
$type = $q['type'] ?? '';
if (qdb_is_non_stored_answer_question_type($type)) {
continue;
}
if ($type === 'glass_scale_question') {
$symptoms = $cfg['symptoms'] ?? [];
if (is_array($symptoms) && $symptoms !== []) {
foreach ($symptoms as $symptomKey) {
$sk = trim((string)$symptomKey);
if ($sk === '') {
continue;
}
$columns[] = [
'header' => $sk,
'questionID' => $q['questionID'],
'symptomKey' => $sk,
'kind' => 'glass_symptom',
'question' => $q,
];
}
continue;
}
}
$columns[] = [
'header' => qdb_question_column_label($cfg, $q['defaultText'], $q['questionID'], $qnID),
'questionID' => $q['questionID'],
'symptomKey' => null,
'kind' => 'question',
'question' => $q,
];
}
return $columns;
}
/** Cell value for one export/results column (including glass symptom columns). */
function qdb_results_column_cell_value(array $column, ?array $answerRow, array $optionTextMap): string
{
if (($column['kind'] ?? '') === 'glass_symptom') {
return qdb_glass_symptom_answer_value(
$answerRow['freeTextValue'] ?? null,
(string)($column['symptomKey'] ?? '')
);
}
return qdb_format_client_answer_display($column['question'], $answerRow, $optionTextMap);
}
/** Format one client_answer row for results table / CSV export. */
function qdb_format_client_answer_display(array $question, ?array $answerRow, array $optionTextMap): string
{
if (!$answerRow) {
return '';
}
if (($question['type'] ?? '') === 'glass_scale_question') {
return qdb_format_glass_answer_json($answerRow['freeTextValue'] ?? null);
}
$aoid = $answerRow['answerOptionID'] ?? null;
if ($aoid && isset($optionTextMap[$aoid])) {
return (string)$optionTextMap[$aoid];
}
if (!empty($answerRow['freeTextValue'])) {
return (string)$answerRow['freeTextValue'];
}
if (isset($answerRow['numericValue']) && $answerRow['numericValue'] !== null && $answerRow['numericValue'] !== '') {
return (string)$answerRow['numericValue'];
}
return '';
}
function qdb_note_before_key(string $questionKey): string {
return $questionKey . '_note_before';
}
function qdb_note_after_key(string $questionKey): string {
return $questionKey . '_note_after';
}
/** Strip deprecated fields and persist questionKey + notes in config. */
function qdb_normalize_question_config(array $config, string $questionKey, ?string $noteBefore = null, ?string $noteAfter = null): array {
unset($config['multiline']);
$config['questionKey'] = $questionKey;
if ($noteBefore !== null) {
$nb = trim($noteBefore);
if ($nb !== '') {
$config['noteBefore'] = $nb;
} else {
unset($config['noteBefore']);
}
}
if ($noteAfter !== null) {
$na = trim($noteAfter);
if ($na !== '') {
$config['noteAfter'] = $na;
} else {
unset($config['noteAfter']);
}
}
return $config;
}
function qdb_parse_config_json($configJson): array {
if (is_array($configJson)) {
$config = $configJson;
} else {
$config = json_decode($configJson ?: '{}', true) ?: [];
}
unset($config['multiline']);
return $config;
}
/**
* @return list<array{key: string, labelDe: string}>
*/
function qdb_parse_glass_symptoms_body(array $body, array $config): array {
if (isset($body['glassSymptoms']) && is_array($body['glassSymptoms'])) {
$rows = [];
foreach ($body['glassSymptoms'] as $row) {
if (!is_array($row)) {
continue;
}
$key = trim((string)($row['key'] ?? ''));
if ($key === '') {
continue;
}
$key = qdb_validate_stable_key($key, 'Symptom key');
$rows[] = [
'key' => $key,
'labelDe' => trim((string)($row['labelDe'] ?? '')),
];
}
return $rows;
}
$out = [];
foreach ($config['symptoms'] ?? [] as $symptomKey) {
$key = trim((string)$symptomKey);
if ($key !== '') {
$out[] = ['key' => $key, 'labelDe' => ''];
}
}
return $out;
}
/** Apply ordered symptom keys from editor rows into question config. */
function qdb_apply_glass_symptoms_config(array $config, array $glassSymptoms): array {
$keys = [];
foreach ($glassSymptoms as $row) {
$keys[] = $row['key'];
}
if ($keys) {
$config['symptoms'] = $keys;
} else {
unset($config['symptoms']);
}
return $config;
}
/** Upsert German labels for glass-scale symptom string keys. */
function qdb_sync_glass_symptom_strings(PDO $pdo, array $glassSymptoms): void {
foreach ($glassSymptoms as $row) {
$key = $row['key'] ?? '';
$label = trim((string)($row['labelDe'] ?? ''));
if ($key === '' || $label === '') {
continue;
}
qdb_put_translation($pdo, 'string', $key, QDB_SOURCE_LANGUAGE, $label);
}
}
/**
* Symptom keys with German labels for editor / API consumers.
*
* @return list<array{key: string, labelDe: string}>
*/
function qdb_glass_symptoms_with_labels(PDO $pdo, array $config): array {
$rows = [];
foreach ($config['symptoms'] ?? [] as $symptomKey) {
$key = trim((string)$symptomKey);
if ($key === '') {
continue;
}
$label = qdb_string_german_label($pdo, $key);
if ($label === $key) {
$label = '';
}
$rows[] = ['key' => $key, 'labelDe' => $label];
}
return $rows;
}
/** Sync note German text into string_translation rows for the app. */
function qdb_sync_question_note_strings(PDO $pdo, string $questionKey, array $config): void {
if ($questionKey === '') {
return;
}
foreach ([
'noteBefore' => qdb_note_before_key($questionKey),
'noteAfter' => qdb_note_after_key($questionKey),
] as $field => $stringKey) {
$text = trim((string)($config[$field] ?? ''));
if ($text !== '') {
qdb_put_translation($pdo, 'string', $stringKey, QDB_SOURCE_LANGUAGE, $text);
}
}
}
function qdb_assert_unique_question_key(PDO $pdo, string $qnID, string $questionKey, ?string $excludeQuestionID = null): void {
$stmt = $pdo->prepare('SELECT questionID, configJson, defaultText FROM question WHERE questionnaireID = :qn');
$stmt->execute([':qn' => $qnID]);
foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $row) {
if ($excludeQuestionID !== null && $row['questionID'] === $excludeQuestionID) {
continue;
}
$cfg = json_decode($row['configJson'] ?: '{}', true) ?: [];
$existing = qdb_question_key($cfg, $row['defaultText']);
if ($existing !== '' && $existing === $questionKey) {
json_error('CONFLICT', "Question key \"$questionKey\" already exists in this questionnaire", 409);
}
}
}
function qdb_assert_unique_option_key(PDO $pdo, string $questionID, string $optionKey, ?string $excludeOptionID = null): void {
$stmt = $pdo->prepare('SELECT answerOptionID, defaultText FROM answer_option WHERE questionID = :qid');
$stmt->execute([':qid' => $questionID]);
foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $row) {
if ($excludeOptionID !== null && $row['answerOptionID'] === $excludeOptionID) {
continue;
}
if ($row['defaultText'] === $optionKey) {
json_error('CONFLICT', "Option key \"$optionKey\" already exists on this question", 409);
}
}
}
/** German label for an option (translation de, else legacy defaultText when not a stable key). */
function qdb_option_german_label(PDO $pdo, string $answerOptionID, string $storedDefaultText): string {
$tr = qdb_fetch_translation_map($pdo, 'answer_option', $answerOptionID);
$de = trim($tr[QDB_SOURCE_LANGUAGE] ?? '');
if ($de !== '') {
return $de;
}
if (!qdb_is_stable_key($storedDefaultText)) {
return $storedDefaultText;
}
return '';
}
/** German label for a string catalog key (symptoms, glass levels, etc.). */
function qdb_string_german_label(PDO $pdo, string $stringKey, array &$cache = []): string {
$stringKey = trim($stringKey);
if ($stringKey === '') {
return '';
}
if (isset($cache[$stringKey])) {
return $cache[$stringKey];
}
$tr = qdb_fetch_translation_map($pdo, 'string', $stringKey);
$de = trim($tr[QDB_SOURCE_LANGUAGE] ?? '');
$label = $de !== '' ? $de : $stringKey;
$cache[$stringKey] = $label;
return $label;
}
/** German question text for UI display. */
function qdb_question_german_label(PDO $pdo, array $questionRow): string {
$tr = qdb_fetch_translation_map($pdo, 'question', $questionRow['questionID']);
$de = trim($tr[QDB_SOURCE_LANGUAGE] ?? '');
if ($de !== '') {
return $de;
}
$defaultText = trim($questionRow['defaultText'] ?? '');
if ($defaultText !== '' && !qdb_is_stable_key($defaultText)) {
return $defaultText;
}
return qdb_question_local_id($questionRow['questionID']);
}
/**
* Result columns + option map using German labels (client detail, not CSV export).
*
* @return array{questions: array, resultColumns: array, optionTextMap: array, stringLabelCache: array}
*/
function qdb_display_questionnaire_context(PDO $pdo, string $questionnaireID): array {
$qStmt = $pdo->prepare(
'SELECT questionID, defaultText, type, orderIndex, configJson FROM question WHERE questionnaireID = :id ORDER BY orderIndex'
);
$qStmt->execute([':id' => $questionnaireID]);
$questions = $qStmt->fetchAll(PDO::FETCH_ASSOC);
$stringLabelCache = [];
$resultColumns = [];
foreach ($questions as $q) {
$cfg = json_decode($q['configJson'] ?? '{}', true) ?: [];
$type = $q['type'] ?? '';
if (qdb_is_non_stored_answer_question_type($type)) {
continue;
}
if ($type === 'glass_scale_question') {
$symptoms = $cfg['symptoms'] ?? [];
if (is_array($symptoms) && $symptoms !== []) {
foreach ($symptoms as $symptomKey) {
$sk = trim((string)$symptomKey);
if ($sk === '') {
continue;
}
$resultColumns[] = [
'header' => qdb_string_german_label($pdo, $sk, $stringLabelCache),
'questionID' => $q['questionID'],
'symptomKey' => $sk,
'kind' => 'glass_symptom',
'question' => $q,
];
}
continue;
}
}
$resultColumns[] = [
'header' => qdb_question_german_label($pdo, $q),
'questionID' => $q['questionID'],
'symptomKey' => null,
'kind' => 'question',
'question' => $q,
];
}
$optionTextMap = [];
foreach ($questions as $q) {
$aoStmt = $pdo->prepare('SELECT answerOptionID, defaultText FROM answer_option WHERE questionID = :qid');
$aoStmt->execute([':qid' => $q['questionID']]);
foreach ($aoStmt->fetchAll(PDO::FETCH_ASSOC) as $ao) {
$optionTextMap[$ao['answerOptionID']] = qdb_option_german_label(
$pdo,
$ao['answerOptionID'],
$ao['defaultText']
);
}
}
return [
'questions' => $questions,
'resultColumns' => $resultColumns,
'optionTextMap' => $optionTextMap,
'stringLabelCache' => $stringLabelCache,
];
}
/** Format one answer cell for UI (German labels). */
function qdb_display_column_cell_value(
PDO $pdo,
array $column,
?array $answerRow,
array $optionTextMap,
array &$stringLabelCache
): string {
if (($column['kind'] ?? '') === 'glass_symptom') {
$raw = qdb_glass_symptom_answer_value(
$answerRow['freeTextValue'] ?? null,
(string)($column['symptomKey'] ?? '')
);
if ($raw === '') {
return '';
}
return qdb_string_german_label($pdo, $raw, $stringLabelCache);
}
if (($column['question']['type'] ?? '') === 'glass_scale_question') {
return qdb_format_glass_answer_json_display($pdo, $answerRow['freeTextValue'] ?? null, $stringLabelCache);
}
return qdb_format_client_answer_display($column['question'], $answerRow, $optionTextMap);
}
/** Glass-scale JSON with German symptom keys and level labels. */
function qdb_format_glass_answer_json_display(PDO $pdo, ?string $raw, array &$stringLabelCache): string
{
if ($raw === null || trim($raw) === '') {
return '';
}
$decoded = json_decode($raw, true);
if (!is_array($decoded)) {
return $raw;
}
$parts = [];
foreach ($decoded as $key => $val) {
$val = trim((string)$val);
if ($val === '') {
continue;
}
$symLabel = qdb_string_german_label($pdo, (string)$key, $stringLabelCache);
$levelLabel = qdb_string_german_label($pdo, $val, $stringLabelCache);
$parts[] = $symLabel . ': ' . $levelLabel;
}
return implode('; ', $parts);
}
/**
* Build translation entry lists for one questionnaire.
* Returns ['stringEntries' => [...], 'contentEntries' => [...]] (questions + options interleaved).
*/
function qdb_translation_entry_lists(PDO $pdo, string $qnID): array {
$qStmt = $pdo->prepare("
SELECT q.questionID, q.defaultText, q.type, q.configJson, q.orderIndex
FROM question q WHERE q.questionnaireID = :id ORDER BY q.orderIndex
");
$qStmt->execute([':id' => $qnID]);
$dbQuestions = $qStmt->fetchAll(PDO::FETCH_ASSOC);
$stringKeys = [];
$stringEntries = [];
$contentEntries = [];
$addedSymptomKeys = [];
$appKeySet = qdb_app_string_key_set();
foreach ($dbQuestions as $dbQ) {
$qOrder = (int)($dbQ['orderIndex'] ?? 0);
$qLocal = qdb_question_local_id($dbQ['questionID']);
$config = json_decode($dbQ['configJson'] ?: '{}', true) ?: [];
$qKey = qdb_question_key($config, $dbQ['defaultText']);
$germanQ = trim($dbQ['defaultText']);
if ($qKey !== '' && qdb_is_stable_key($germanQ) && $germanQ === $qKey) {
$germanQ = '';
}
$contentEntries[] = [
'key' => $qKey !== '' ? $qKey : $dbQ['defaultText'],
'displayKey' => $qKey !== '' ? $qKey : (preg_match('/^[a-f0-9]{32}$/i', $qLocal) ? ('#' . ($qOrder + 1)) : $qLocal),
'germanText' => $germanQ,
'type' => 'question',
'entityId' => $dbQ['questionID'],
'sortOrder' => $qOrder * 1000,
];
$aoStmt = $pdo->prepare("
SELECT answerOptionID, defaultText, orderIndex
FROM answer_option WHERE questionID = :qid ORDER BY orderIndex
");
$aoStmt->execute([':qid' => $dbQ['questionID']]);
foreach ($aoStmt->fetchAll(PDO::FETCH_ASSOC) as $ao) {
$optKey = qdb_option_key($ao);
$optLabel = $optKey !== ''
? ($qLocal . ' · ' . $optKey)
: (preg_match('/^[a-f0-9]{32}$/i', $qLocal)
? ('#' . ($qOrder + 1) . ' · option ' . ((int)$ao['orderIndex'] + 1))
: ($qLocal . ' · option ' . ((int)$ao['orderIndex'] + 1)));
$contentEntries[] = [
'key' => $optKey !== '' ? $optKey : $ao['defaultText'],
'displayKey' => $optLabel,
'germanText' => qdb_option_german_label($pdo, $ao['answerOptionID'], $ao['defaultText']),
'type' => 'answer_option',
'entityId' => $ao['answerOptionID'],
'sortOrder' => $qOrder * 1000 + 10 + (int)($ao['orderIndex'] ?? 0),
];
}
foreach (['textKey', 'textKey1', 'textKey2', 'hint', 'hint1', 'hint2', 'otherOptionKey'] as $field) {
if (!empty($config[$field])) {
$stringKeys[$config[$field]] = true;
}
}
if (($dbQ['type'] ?? '') === 'glass_scale_question'
&& !empty($config['symptoms']) && is_array($config['symptoms'])) {
$symIdx = 0;
foreach ($config['symptoms'] as $s) {
$sk = trim((string)$s);
if ($sk === '' || isset($appKeySet[$sk]) || isset($addedSymptomKeys[$sk])) {
continue;
}
$addedSymptomKeys[$sk] = true;
$parentLabel = $qKey !== '' ? $qKey : $qLocal;
$stringEntries[] = [
'key' => $sk,
'displayKey' => $qLocal . ' · ' . $parentLabel . ' · ' . $sk,
'type' => 'string',
'entityId' => $sk,
'sortOrder' => $qOrder * 1000 + 5 + $symIdx,
];
$symIdx++;
}
}
if ($qKey !== '') {
if (!empty($config['noteBefore'])) {
$stringKeys[qdb_note_before_key($qKey)] = true;
}
if (!empty($config['noteAfter'])) {
$stringKeys[qdb_note_after_key($qKey)] = true;
}
}
}
$stringOrder = 0;
$skList = array_keys($stringKeys);
sort($skList, SORT_STRING);
foreach ($skList as $sk) {
if (isset($appKeySet[$sk])) {
continue;
}
$stringEntries[] = [
'key' => $sk,
'displayKey' => $sk,
'type' => 'string',
'entityId' => $sk,
'sortOrder' => $stringOrder++,
];
}
return ['stringEntries' => $stringEntries, 'contentEntries' => $contentEntries];
}
/** Attach translation texts and germanText to entry rows. */
function qdb_attach_translation_texts(array &$entries, array $translations): void {
foreach ($entries as &$e) {
$tr = $translations[$e['entityId']] ?? [];
$e['translations'] = (object)$tr;
$de = trim($tr[QDB_SOURCE_LANGUAGE] ?? '');
if ($de !== '') {
$e['germanText'] = $de;
} elseif (!empty($e['germanDefault'])) {
$e['germanText'] = $e['germanDefault'];
} else {
$e['germanText'] = $e['key'];
}
unset($e['germanDefault']);
}
unset($e);
}
/** Load all translation rows for a flat entry list. */
function qdb_load_translations_for_entries(PDO $pdo, array $entries): array {
$translations = [];
$qIds = array_values(array_filter(array_map(
fn($e) => $e['type'] === 'question' ? $e['entityId'] : null,
$entries
)));
if ($qIds) {
$ph = implode(',', array_fill(0, count($qIds), '?'));
$stmt = $pdo->prepare("SELECT questionID AS entityId, languageCode, text FROM question_translation WHERE questionID IN ($ph)");
$stmt->execute($qIds);
foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $r) {
$translations[$r['entityId']][$r['languageCode']] = $r['text'];
}
}
$aoIds = array_values(array_filter(array_map(
fn($e) => $e['type'] === 'answer_option' ? $e['entityId'] : null,
$entries
)));
if ($aoIds) {
$ph = implode(',', array_fill(0, count($aoIds), '?'));
$stmt = $pdo->prepare("SELECT answerOptionID AS entityId, languageCode, text FROM answer_option_translation WHERE answerOptionID IN ($ph)");
$stmt->execute($aoIds);
foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $r) {
$translations[$r['entityId']][$r['languageCode']] = $r['text'];
}
}
$sKeys = array_values(array_filter(array_map(
fn($e) => ($e['type'] === 'string' || $e['type'] === 'app_string') ? $e['entityId'] : null,
$entries
)));
if ($sKeys) {
$ph = implode(',', array_fill(0, count($sKeys), '?'));
$stmt = $pdo->prepare("SELECT stringKey AS entityId, languageCode, text FROM string_translation WHERE stringKey IN ($ph)");
$stmt->execute($sKeys);
foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $r) {
$translations[$r['entityId']][$r['languageCode']] = $r['text'];
}
}
return $translations;
}
/**
* Flat language -> stringKey -> text map for global app UI strings only.
* @return array<string, array<string, string>>
*/
function qdb_build_app_translations_map(PDO $pdo): array {
$entries = qdb_app_ui_string_entries_merged($pdo);
$translations = qdb_load_translations_for_entries($pdo, $entries);
$defaults = qdb_app_string_catalog()['germanDefaults'] ?? [];
$result = [];
foreach ($entries as $e) {
$key = $e['key'];
foreach ($translations[$e['entityId']] ?? [] as $lang => $text) {
$result[$lang][$key] = $text;
}
if (!isset($result[QDB_SOURCE_LANGUAGE][$key]) && !empty($defaults[$key])) {
$result[QDB_SOURCE_LANGUAGE][$key] = $defaults[$key];
}
}
return $result;
}
/**
* Flat language -> stringKey -> text map for one questionnaire (questions, options, config strings).
* Excludes keys from the global app UI catalog.
* @return array<string, array<string, string>>
*/
function qdb_build_questionnaire_translations_map(PDO $pdo, string $qnID): array {
$lists = qdb_translation_entry_lists($pdo, $qnID);
$entries = array_merge($lists['stringEntries'], $lists['contentEntries']);
$translations = $entries ? qdb_load_translations_for_entries($pdo, $entries) : [];
$result = [];
$stringLabelCache = [];
$appDefaults = qdb_app_string_catalog()['germanDefaults'] ?? [];
foreach ($entries as $e) {
$key = $e['key'];
if ($key === '') {
continue;
}
foreach ($translations[$e['entityId']] ?? [] as $lang => $text) {
$text = trim((string)$text);
if ($text !== '') {
$result[$lang][$key] = $text;
}
}
$german = trim($e['germanText'] ?? '');
if ($german === '' && ($e['type'] ?? '') === 'string') {
$trDe = trim($translations[$e['entityId']][QDB_SOURCE_LANGUAGE] ?? '');
if ($trDe !== '' && !qdb_is_stable_key($trDe)) {
$german = $trDe;
} elseif (!empty($appDefaults[$key])) {
$german = trim((string)$appDefaults[$key]);
} else {
$fetched = trim(qdb_string_german_label($pdo, $key, $stringLabelCache));
if ($fetched !== '' && !qdb_is_stable_key($fetched)) {
$german = $fetched;
}
}
}
if ($german !== '' && !isset($result[QDB_SOURCE_LANGUAGE][$key])) {
$result[QDB_SOURCE_LANGUAGE][$key] = $german;
}
}
$qStmt = $pdo->prepare(
'SELECT questionID, defaultText, configJson FROM question WHERE questionnaireID = :id ORDER BY orderIndex'
);
$qStmt->execute([':id' => $qnID]);
foreach ($qStmt->fetchAll(PDO::FETCH_ASSOC) as $dbQ) {
$config = json_decode($dbQ['configJson'] ?: '{}', true) ?: [];
$qKey = qdb_question_key($config, $dbQ['defaultText']);
if ($qKey === '') {
continue;
}
$qGerman = qdb_question_german_label($pdo, $dbQ);
if ($qGerman !== '' && !qdb_is_stable_key($qGerman)) {
$result[QDB_SOURCE_LANGUAGE][$qKey] = $qGerman;
}
$noteBefore = trim((string)($config['noteBefore'] ?? ''));
if ($noteBefore !== '') {
$result[QDB_SOURCE_LANGUAGE][qdb_note_before_key($qKey)] = $noteBefore;
$textKey = trim((string)($config['textKey'] ?? ''));
if ($textKey !== '') {
$result[QDB_SOURCE_LANGUAGE][$textKey] = $noteBefore;
}
}
$noteAfter = trim((string)($config['noteAfter'] ?? ''));
if ($noteAfter !== '') {
$result[QDB_SOURCE_LANGUAGE][qdb_note_after_key($qKey)] = $noteAfter;
}
}
$aoStmt = $pdo->prepare(
'SELECT answerOptionID, defaultText FROM answer_option WHERE questionID IN (
SELECT questionID FROM question WHERE questionnaireID = :id
) ORDER BY questionID, orderIndex'
);
$aoStmt->execute([':id' => $qnID]);
foreach ($aoStmt->fetchAll(PDO::FETCH_ASSOC) as $ao) {
$optKey = qdb_option_key($ao);
if ($optKey === '') {
continue;
}
$optGerman = qdb_option_german_label($pdo, $ao['answerOptionID'], $ao['defaultText']);
if ($optGerman !== '' && !qdb_is_stable_key($optGerman)) {
$result[QDB_SOURCE_LANGUAGE][$optKey] = $optGerman;
}
}
return $result;
}
/** @return array<string, string> */
function qdb_translation_rows_to_map(array $rows): array {
$map = [];
foreach ($rows as $row) {
if (is_array($row) && isset($row['languageCode'])) {
$map[$row['languageCode']] = $row['text'] ?? '';
}
}
return $map;
}
/** @return array<string, string> */
function qdb_fetch_translation_map(PDO $pdo, string $type, string $entityId): array {
if ($type === 'question') {
$stmt = $pdo->prepare('SELECT languageCode, text FROM question_translation WHERE questionID = :id');
} elseif ($type === 'answer_option') {
$stmt = $pdo->prepare('SELECT languageCode, text FROM answer_option_translation WHERE answerOptionID = :id');
} else {
$stmt = $pdo->prepare('SELECT languageCode, text FROM string_translation WHERE stringKey = :id');
}
$stmt->execute([':id' => $entityId]);
return qdb_translation_rows_to_map($stmt->fetchAll(PDO::FETCH_ASSOC));
}
function qdb_apply_translation_map(PDO $pdo, string $type, string $entityId, array $map): void {
foreach ($map as $lang => $text) {
if (!is_string($lang) || $lang === '') {
continue;
}
qdb_put_translation($pdo, $type, $entityId, $lang, (string)$text);
}
}
function qdb_question_local_id(string $questionID, ?string $questionnaireID = null): string {
$pos = strrpos($questionID, '__');
return $pos !== false ? substr($questionID, $pos + 2) : $questionID;
}
/** Column / export header: stable question key, else local id (q1, q2, …). */
function qdb_question_column_label(array $config, string $defaultText, string $questionID, ?string $questionnaireID = null): string {
$key = qdb_question_key($config, $defaultText);
return $key !== '' ? $key : qdb_question_local_id($questionID, $questionnaireID);
}
function qdb_make_question_id(string $questionnaireID, string $localId): string {
return $questionnaireID . '__' . $localId;
}
/** Next short id for a new question (q1, q2, …) within one questionnaire. */
function qdb_allocate_question_local_id(PDO $pdo, string $questionnaireID): string {
$stmt = $pdo->prepare('SELECT questionID FROM question WHERE questionnaireID = :id');
$stmt->execute([':id' => $questionnaireID]);
$max = 0;
foreach ($stmt->fetchAll(PDO::FETCH_COLUMN) as $questionID) {
$local = qdb_question_local_id($questionID);
if (preg_match('/^q(\d+)$/i', $local, $m)) {
$max = max($max, (int)$m[1]);
}
}
return 'q' . ($max + 1);
}
/** Human-readable Key column label (not the app translation lookup key). */
function qdb_translation_row_label(array $e): string {
if (!empty($e['displayKey']) && !preg_match('/^[a-f0-9]{32}$/i', $e['displayKey'])) {
return $e['displayKey'];
}
$type = $e['type'] ?? '';
$key = $e['key'] ?? '';
if ($type === 'question' || $type === 'answer_option') {
if ($key !== '') {
$short = mb_strlen($key) > 56 ? mb_substr($key, 0, 56) . '…' : $key;
return $short;
}
}
$id = $e['entityId'] ?? '';
$pos = strrpos($id, '__');
if ($pos !== false) {
return substr($id, $pos + 2);
}
return $key !== '' ? $key : $id;
}
/** Export one questionnaire with structure + all translations (portable JSON). */
function qdb_export_questionnaire_bundle(PDO $pdo, string $qnID): ?array {
require_once __DIR__ . '/lib/scoring.php';
require_once __DIR__ . '/lib/questionnaire_structure.php';
$qn = $pdo->prepare('SELECT * FROM questionnaire WHERE questionnaireID = :id');
$qn->execute([':id' => $qnID]);
$qnRow = $qn->fetch(PDO::FETCH_ASSOC);
if (!$qnRow) {
return null;
}
$qStmt = $pdo->prepare(
'SELECT questionID, defaultText, type, orderIndex, isRequired, configJson
FROM question WHERE questionnaireID = :id AND ' . qdb_active_questions_clause('question') . '
ORDER BY orderIndex'
);
$qStmt->execute([':id' => $qnID]);
$questionsOut = [];
foreach ($qStmt->fetchAll(PDO::FETCH_ASSOC) as $dbQ) {
$localId = qdb_question_local_id($dbQ['questionID'], $qnID);
$config = json_decode($dbQ['configJson'] ?: '{}', true) ?: [];
$optionsOut = [];
$aoStmt = $pdo->prepare(
'SELECT answerOptionID, defaultText, points, orderIndex, nextQuestionId
FROM answer_option WHERE questionID = :qid AND ' . qdb_active_options_clause('answer_option') . '
ORDER BY orderIndex'
);
$aoStmt->execute([':qid' => $dbQ['questionID']]);
$qKey = qdb_question_key($config, $dbQ['defaultText']);
foreach ($aoStmt->fetchAll(PDO::FETCH_ASSOC) as $ao) {
$optKey = qdb_option_key($ao);
$optTr = qdb_fetch_translation_map($pdo, 'answer_option', $ao['answerOptionID']);
$optGerman = trim($optTr[QDB_SOURCE_LANGUAGE] ?? '');
if ($optGerman === '' && !qdb_is_stable_key($ao['defaultText'])) {
$optGerman = $ao['defaultText'];
}
$optionsOut[] = [
'optionKey' => $optKey !== '' ? $optKey : $ao['defaultText'],
'defaultText' => $optGerman,
'points' => (int)$ao['points'],
'orderIndex' => (int)$ao['orderIndex'],
'nextQuestionId' => $ao['nextQuestionId'] ?? '',
'translations' => $optTr,
];
}
$questionsOut[] = [
'localId' => $localId,
'questionKey' => $qKey,
'defaultText' => $dbQ['defaultText'],
'type' => $dbQ['type'],
'orderIndex' => (int)$dbQ['orderIndex'],
'isRequired' => (int)$dbQ['isRequired'],
'config' => $config,
'answerOptions' => $optionsOut,
'scoreRules' => qdb_get_score_rules_for_question($pdo, $dbQ['questionID']),
'translations' => qdb_fetch_translation_map($pdo, 'question', $dbQ['questionID']),
];
}
$lists = qdb_translation_entry_lists($pdo, $qnID);
$stringTranslations = [];
if (!empty($lists['stringEntries'])) {
$tr = qdb_load_translations_for_entries($pdo, $lists['stringEntries']);
foreach ($lists['stringEntries'] as $e) {
$stringTranslations[] = [
'stringKey' => $e['key'],
'translations' => $tr[$e['entityId']] ?? [],
];
}
}
return [
'questionnaire' => [
'questionnaireID' => $qnRow['questionnaireID'],
'name' => $qnRow['name'],
'version' => $qnRow['version'],
'state' => $qnRow['state'],
'orderIndex' => (int)$qnRow['orderIndex'],
'showPoints' => (int)$qnRow['showPoints'],
'conditionJson' => $qnRow['conditionJson'] ?: '{}',
'structureRevision' => qdb_questionnaire_structure_revision($pdo, $qnID),
],
'questions' => $questionsOut,
'stringTranslations' => $stringTranslations,
'translationsFlat' => qdb_build_questionnaire_translations_map($pdo, $qnID),
];
}
/** Export every questionnaire as a portable bundle. */
function qdb_export_all_questionnaires_bundle(PDO $pdo): array {
$ids = $pdo->query('SELECT questionnaireID FROM questionnaire ORDER BY orderIndex, name')
->fetchAll(PDO::FETCH_COLUMN);
$items = [];
foreach ($ids as $id) {
$item = qdb_export_questionnaire_bundle($pdo, $id);
if ($item !== null) {
$items[] = $item;
}
}
return [
'exportVersion' => 2,
'exportedAt' => time(),
'sourceLanguage' => QDB_SOURCE_LANGUAGE,
'questionnaireCount' => count($items),
'questionnaires' => $items,
'scoringProfiles' => qdb_export_scoring_profiles_bundle($pdo),
];
}
/** Export all scoring profiles for bundle portability. */
function qdb_export_scoring_profiles_bundle(PDO $pdo): array {
require_once __DIR__ . '/lib/scoring.php';
return qdb_list_scoring_profiles($pdo);
}
/** Remove questionnaire and related rows (full replace import; not per-question retire). */
function qdb_delete_questionnaire_cascade(PDO $pdo, string $qnID): void {
$qIds = $pdo->prepare('SELECT questionID FROM question WHERE questionnaireID = :id');
$qIds->execute([':id' => $qnID]);
$questionIDs = $qIds->fetchAll(PDO::FETCH_COLUMN);
foreach ($questionIDs as $qid) {
$aoIds = $pdo->prepare('SELECT answerOptionID FROM answer_option WHERE questionID = :qid');
$aoIds->execute([':qid' => $qid]);
foreach ($aoIds->fetchAll(PDO::FETCH_COLUMN) as $aoid) {
$pdo->prepare('DELETE FROM answer_option_translation WHERE answerOptionID = :id')
->execute([':id' => $aoid]);
}
$pdo->prepare('DELETE FROM answer_option WHERE questionID = :qid')->execute([':qid' => $qid]);
$pdo->prepare('DELETE FROM question_translation WHERE questionID = :qid')->execute([':qid' => $qid]);
if (qdb_table_exists($pdo, 'client_answer_submission')) {
$pdo->prepare('DELETE FROM client_answer_submission WHERE questionID = :qid')
->execute([':qid' => $qid]);
}
$pdo->prepare('DELETE FROM client_answer WHERE questionID = :qid')->execute([':qid' => $qid]);
}
if (qdb_table_exists($pdo, 'questionnaire_structure_snapshot')) {
$pdo->prepare('DELETE FROM questionnaire_structure_snapshot WHERE questionnaireID = :id')
->execute([':id' => $qnID]);
}
if (qdb_table_exists($pdo, 'questionnaire_submission')) {
$pdo->prepare('DELETE FROM questionnaire_submission WHERE questionnaireID = :id')
->execute([':id' => $qnID]);
}
$pdo->prepare('DELETE FROM question WHERE questionnaireID = :id')->execute([':id' => $qnID]);
$pdo->prepare('DELETE FROM completed_questionnaire WHERE questionnaireID = :id')->execute([':id' => $qnID]);
$pdo->prepare('DELETE FROM questionnaire WHERE questionnaireID = :id')->execute([':id' => $qnID]);
}
/**
* Import one questionnaire from a bundle item.
* @return array{questionnaireID: string, created: bool, replaced: bool}
*/
function qdb_import_questionnaire_bundle(PDO $pdo, array $item, bool $replaceIfExists = false): array {
$meta = $item['questionnaire'] ?? [];
if (empty($meta['name'])) {
json_error('MISSING_FIELDS', 'questionnaire.name is required', 400);
}
$wantedId = trim($meta['questionnaireID'] ?? '');
$chk = $wantedId !== '' ? $pdo->prepare('SELECT 1 FROM questionnaire WHERE questionnaireID = :id') : null;
if ($chk) {
$chk->execute([':id' => $wantedId]);
}
$exists = $chk && (bool)$chk->fetch();
$replaced = false;
if ($exists && $replaceIfExists) {
qdb_delete_questionnaire_cascade($pdo, $wantedId);
$replaced = true;
$qnID = $wantedId;
} elseif ($exists) {
$qnID = bin2hex(random_bytes(16));
} elseif ($wantedId !== '') {
$qnID = $wantedId;
} else {
$qnID = bin2hex(random_bytes(16));
}
$order = (int)($meta['orderIndex'] ?? 0);
if ($order === 0) {
$order = (int)$pdo->query('SELECT COALESCE(MAX(orderIndex),0)+1 FROM questionnaire')->fetchColumn();
}
$condJson = $meta['conditionJson'] ?? '{}';
if (is_array($condJson)) {
$condJson = json_encode($condJson, JSON_UNESCAPED_UNICODE);
}
$catKey = trim($meta['categoryKey'] ?? '');
$pdo->prepare("INSERT INTO questionnaire (questionnaireID, name, version, state, orderIndex, showPoints, conditionJson, categoryKey)
VALUES (:id, :n, :v, :s, :o, :sp, :cj, :ck)")
->execute([
':id' => $qnID,
':n' => trim($meta['name']),
':v' => trim($meta['version'] ?? ''),
':s' => trim($meta['state'] ?? 'draft'),
':o' => $order,
':sp' => (int)($meta['showPoints'] ?? 0),
':cj' => $condJson ?: '{}',
':ck' => $catKey,
]);
foreach ($item['questions'] ?? [] as $q) {
$localId = trim($q['localId'] ?? '');
if ($localId === '') {
$localId = 'q_' . bin2hex(random_bytes(4));
}
$questionID = $qnID . '__' . $localId;
$config = qdb_parse_config_json($q['config'] ?? $q['configJson'] ?? []);
$questionKey = trim((string)($q['questionKey'] ?? $config['questionKey'] ?? ''));
$text = trim($q['defaultText'] ?? '');
$qTr = $q['translations'] ?? [];
if (is_array($qTr) && isset($qTr[0]['languageCode'])) {
$qTr = qdb_translation_rows_to_map($qTr);
}
if ($questionKey === '' && qdb_is_stable_key($text) && trim($qTr[QDB_SOURCE_LANGUAGE] ?? '') !== '' && $qTr[QDB_SOURCE_LANGUAGE] !== $text) {
$questionKey = $text;
$text = trim($qTr[QDB_SOURCE_LANGUAGE]);
}
if ($questionKey === '') {
json_error(
'MISSING_FIELDS',
"Question key is required for {$qnID} / {$localId} (stable key [a-z][a-z0-9_]*)",
400
);
}
$questionKey = qdb_validate_stable_key($questionKey, 'Question key');
// Duplicate question keys in one questionnaire are allowed (same prompt in different branches).
qdb_require_non_empty_german($text, 'Question German text');
$noteBefore = $config['noteBefore'] ?? null;
$noteAfter = $config['noteAfter'] ?? null;
$config = qdb_normalize_question_config($config, $questionKey, $noteBefore, $noteAfter);
$configJson = json_encode($config, JSON_UNESCAPED_UNICODE);
$pdo->prepare("INSERT INTO question (questionID, questionnaireID, defaultText, type, orderIndex, isRequired, configJson)
VALUES (:id, :qid, :t, :ty, :o, :r, :cj)")
->execute([
':id' => $questionID,
':qid' => $qnID,
':t' => $text,
':ty' => trim($q['type'] ?? ''),
':o' => (int)($q['orderIndex'] ?? 0),
':r' => (int)($q['isRequired'] ?? 0),
':cj' => $configJson,
]);
qdb_upsert_source_translation($pdo, 'question', $questionID, $text);
qdb_apply_translation_map($pdo, 'question', $questionID, is_array($qTr) ? $qTr : []);
qdb_sync_question_note_strings($pdo, $questionKey, $config);
if (!empty($q['scoreRules']) && is_array($q['scoreRules'])) {
require_once __DIR__ . '/lib/scoring.php';
qdb_sync_question_score_rules($pdo, $questionID, $q['scoreRules']);
}
foreach ($q['answerOptions'] ?? [] as $opt) {
$optKey = trim((string)($opt['optionKey'] ?? ''));
$optGerman = trim($opt['defaultText'] ?? '');
$oTr = $opt['translations'] ?? [];
if (is_array($oTr) && isset($oTr[0]['languageCode'])) {
$oTr = qdb_translation_rows_to_map($oTr);
}
if ($optKey === '' && qdb_is_stable_key($optGerman) && trim($oTr[QDB_SOURCE_LANGUAGE] ?? '') !== '' && $oTr[QDB_SOURCE_LANGUAGE] !== $optGerman) {
$optKey = $optGerman;
$optGerman = trim($oTr[QDB_SOURCE_LANGUAGE]);
}
if ($optKey === '' && qdb_is_stable_key($optGerman)) {
$optKey = $optGerman;
$optGerman = trim($oTr[QDB_SOURCE_LANGUAGE] ?? $optGerman);
}
if ($optKey === '') {
json_error(
'MISSING_FIELDS',
"Option key is required for {$qnID} / {$localId} option #" . ((int)($opt['orderIndex'] ?? 0) + 1),
400
);
}
$optKey = qdb_validate_stable_key($optKey, 'Option key');
if ($optGerman === '') {
$optGerman = trim($oTr[QDB_SOURCE_LANGUAGE] ?? '');
}
qdb_require_non_empty_german($optGerman, 'Answer option German text');
$aoId = bin2hex(random_bytes(16));
$pdo->prepare("INSERT INTO answer_option (answerOptionID, questionID, defaultText, points, orderIndex, nextQuestionId)
VALUES (:id, :qid, :t, :p, :o, :nq)")
->execute([
':id' => $aoId,
':qid' => $questionID,
':t' => $optKey,
':p' => (int)($opt['points'] ?? 0),
':o' => (int)($opt['orderIndex'] ?? 0),
':nq' => trim($opt['nextQuestionId'] ?? ''),
]);
qdb_upsert_source_translation($pdo, 'answer_option', $aoId, $optGerman);
qdb_apply_translation_map($pdo, 'answer_option', $aoId, is_array($oTr) ? $oTr : []);
}
}
foreach ($item['stringTranslations'] ?? [] as $st) {
$sk = trim($st['stringKey'] ?? '');
if ($sk === '') {
continue;
}
$map = $st['translations'] ?? [];
if (is_array($map) && isset($map[0]['languageCode'])) {
$map = qdb_translation_rows_to_map($map);
}
qdb_apply_translation_map($pdo, 'string', $sk, is_array($map) ? $map : []);
}
return [
'questionnaireID' => $qnID,
'created' => true,
'replaced' => $replaced,
];
}
/** One translation row for a portable translations JSON bundle. */
function qdb_translation_entry_to_bundle_row(array $e, ?string $questionnaireID = null, ?string $questionnaireName = null): array {
$tr = $e['translations'] ?? [];
if ($tr instanceof stdClass) {
$tr = (array)$tr;
}
if (is_array($tr) && isset($tr[0]) && is_array($tr[0]) && isset($tr[0]['languageCode'])) {
$tr = qdb_translation_rows_to_map($tr);
}
$row = [
'type' => $e['type'],
'entityId' => $e['entityId'],
'key' => $e['key'] ?? '',
'translations' => is_array($tr) ? $tr : [],
];
if (!empty($e['displayKey'])) {
$row['displayKey'] = $e['displayKey'];
}
if ($questionnaireID !== null && $questionnaireID !== '') {
$row['questionnaireID'] = $questionnaireID;
}
if ($questionnaireName !== null && $questionnaireName !== '') {
$row['questionnaireName'] = $questionnaireName;
}
return $row;
}
/** @return array<string, string> */
function qdb_normalize_bundle_translations($raw): array {
if (!is_array($raw)) {
return [];
}
if (isset($raw[0]) && is_array($raw[0]) && isset($raw[0]['languageCode'])) {
return qdb_translation_rows_to_map($raw);
}
$map = [];
foreach ($raw as $lang => $text) {
if (is_string($lang) && $lang !== '') {
$map[$lang] = (string)$text;
}
}
return $map;
}
function qdb_translation_entity_exists(PDO $pdo, string $type, string $entityId): bool {
if ($type === 'string' || $type === 'app_string') {
return true;
}
if ($type === 'question') {
$stmt = $pdo->prepare('SELECT 1 FROM question WHERE questionID = :id LIMIT 1');
} elseif ($type === 'answer_option') {
$stmt = $pdo->prepare('SELECT 1 FROM answer_option WHERE answerOptionID = :id LIMIT 1');
} else {
return false;
}
$stmt->execute([':id' => $entityId]);
return (bool)$stmt->fetchColumn();
}
/** Export all translations (languages + flat entries) as portable JSON. */
function qdb_export_translations_bundle(PDO $pdo): array {
$languages = $pdo->query('SELECT languageCode, name FROM language ORDER BY languageCode')
->fetchAll(PDO::FETCH_ASSOC);
if (!array_filter($languages, fn($l) => $l['languageCode'] === QDB_SOURCE_LANGUAGE)) {
array_unshift($languages, ['languageCode' => QDB_SOURCE_LANGUAGE, 'name' => 'German']);
}
qdb_ensure_source_language($pdo);
$exportEntries = [];
$appEntries = qdb_app_ui_string_entries_for_website($pdo);
$appTranslations = qdb_load_translations_for_entries($pdo, $appEntries);
qdb_attach_translation_texts($appEntries, $appTranslations);
foreach ($appEntries as $e) {
$exportEntries[] = qdb_translation_entry_to_bundle_row($e);
}
$qnRows = $pdo->query('SELECT questionnaireID, name FROM questionnaire ORDER BY orderIndex, name')
->fetchAll(PDO::FETCH_ASSOC);
foreach ($qnRows as $qn) {
$lists = qdb_translation_entry_lists($pdo, $qn['questionnaireID']);
$entries = array_merge($lists['stringEntries'], $lists['contentEntries']);
if (!$entries) {
continue;
}
$translations = qdb_load_translations_for_entries($pdo, $entries);
qdb_attach_translation_texts($entries, $translations);
foreach ($entries as $e) {
$exportEntries[] = qdb_translation_entry_to_bundle_row(
$e,
$qn['questionnaireID'],
$qn['name']
);
}
}
return [
'exportVersion' => 1,
'exportedAt' => time(),
'sourceLanguage' => QDB_SOURCE_LANGUAGE,
'languageCount' => count($languages),
'languages' => $languages,
'entryCount' => count($exportEntries),
'entries' => $exportEntries,
];
}
/** Import translations bundle (upsert languages and translation rows). */
function qdb_import_translations_bundle(PDO $pdo, array $bundle): array {
$entries = $bundle['entries'] ?? null;
if (!is_array($entries)) {
json_error('MISSING_FIELDS', 'bundle.entries array is required', 400);
}
qdb_ensure_source_language($pdo);
foreach ($bundle['languages'] ?? [] as $langRow) {
if (!is_array($langRow)) {
continue;
}
$lc = trim($langRow['languageCode'] ?? '');
$name = trim($langRow['name'] ?? '');
if ($lc === '' || $lc === QDB_SOURCE_LANGUAGE) {
continue;
}
$pdo->prepare('INSERT INTO language (languageCode, name) VALUES (:lc, :n)
ON CONFLICT(languageCode) DO UPDATE SET name = excluded.name')
->execute([':lc' => $lc, ':n' => $name]);
}
$validTypes = ['question', 'answer_option', 'string', 'app_string'];
$imported = 0;
$skipped = 0;
foreach ($entries as $entry) {
if (!is_array($entry)) {
$skipped++;
continue;
}
$type = $entry['type'] ?? '';
$entityId = trim((string)($entry['entityId'] ?? ''));
if (!in_array($type, $validTypes, true) || $entityId === '') {
$skipped++;
continue;
}
if (!qdb_translation_entity_exists($pdo, $type, $entityId)) {
$skipped++;
continue;
}
$map = qdb_normalize_bundle_translations($entry['translations'] ?? []);
if ($map) {
qdb_apply_translation_map($pdo, $type, $entityId, $map);
$imported++;
} else {
$skipped++;
}
}
return [
'imported' => $imported,
'skipped' => $skipped,
'total' => count($entries),
];
}
/**
* Remove translation rows from the database.
* By default keeps German source language rows and the de language entry.
*/
function qdb_delete_all_translations(PDO $pdo, bool $keepSourceLanguage = true): array {
if ($keepSourceLanguage) {
$de = QDB_SOURCE_LANGUAGE;
$count = static function (PDO $pdo, string $table) use ($de): int {
$stmt = $pdo->prepare("SELECT COUNT(*) FROM {$table} WHERE languageCode != :de");
$stmt->execute([':de' => $de]);
return (int)$stmt->fetchColumn();
};
$questionCount = $count($pdo, 'question_translation');
$answerCount = $count($pdo, 'answer_option_translation');
$stringCount = $count($pdo, 'string_translation');
$langStmt = $pdo->prepare('SELECT COUNT(*) FROM language WHERE languageCode != :de');
$langStmt->execute([':de' => $de]);
$languageCount = (int)$langStmt->fetchColumn();
$pdo->prepare('DELETE FROM question_translation WHERE languageCode != :de')->execute([':de' => $de]);
$pdo->prepare('DELETE FROM answer_option_translation WHERE languageCode != :de')->execute([':de' => $de]);
$pdo->prepare('DELETE FROM string_translation WHERE languageCode != :de')->execute([':de' => $de]);
$pdo->prepare('DELETE FROM language WHERE languageCode != :de')->execute([':de' => $de]);
} else {
$questionCount = (int)$pdo->query('SELECT COUNT(*) FROM question_translation')->fetchColumn();
$answerCount = (int)$pdo->query('SELECT COUNT(*) FROM answer_option_translation')->fetchColumn();
$stringCount = (int)$pdo->query('SELECT COUNT(*) FROM string_translation')->fetchColumn();
$languageCount = (int)$pdo->query('SELECT COUNT(*) FROM language')->fetchColumn();
$pdo->exec('DELETE FROM question_translation');
$pdo->exec('DELETE FROM answer_option_translation');
$pdo->exec('DELETE FROM string_translation');
$pdo->exec('DELETE FROM language');
}
qdb_ensure_source_language($pdo);
return [
'question' => $questionCount,
'answer_option' => $answerCount,
'string' => $stringCount,
'languages' => $languageCount,
'keptSource' => $keepSourceLanguage,
];
}
/** Import a full export bundle. */
function qdb_import_questionnaires_bundle(PDO $pdo, array $bundle, bool $replaceIfExists = false): array {
$items = $bundle['questionnaires'] ?? [];
if (!is_array($items) || !$items) {
json_error('MISSING_FIELDS', 'bundle.questionnaires array is required', 400);
}
foreach ($bundle['appStringTranslations'] ?? [] as $st) {
if (!is_array($st)) {
continue;
}
$sk = trim($st['stringKey'] ?? '');
if ($sk === '') {
continue;
}
$map = qdb_normalize_bundle_translations($st['translations'] ?? []);
if (!$map) {
continue;
}
if (isset($map[QDB_SOURCE_LANGUAGE])) {
qdb_set_app_string_german_label($pdo, $sk, $map[QDB_SOURCE_LANGUAGE]);
unset($map[QDB_SOURCE_LANGUAGE]);
}
if ($map) {
qdb_apply_translation_map($pdo, 'app_string', $sk, $map);
}
}
$results = [];
foreach ($items as $item) {
$results[] = qdb_import_questionnaire_bundle($pdo, $item, $replaceIfExists);
}
if (!empty($bundle['scoringProfiles']) && is_array($bundle['scoringProfiles'])) {
qdb_import_scoring_profiles_bundle($pdo, $bundle['scoringProfiles'], $replaceIfExists);
}
return [
'imported' => count($results),
'results' => $results,
];
}
/** Import scoring profiles from a questionnaire bundle. */
function qdb_import_scoring_profiles_bundle(PDO $pdo, array $profiles, bool $replaceIfExists = false): void {
require_once __DIR__ . '/lib/scoring.php';
foreach ($profiles as $profile) {
if (!is_array($profile)) {
continue;
}
$wantedId = trim($profile['profileID'] ?? '');
$name = trim($profile['name'] ?? '');
if ($name === '') {
continue;
}
$exists = false;
if ($wantedId !== '') {
$chk = $pdo->prepare('SELECT 1 FROM scoring_profile WHERE profileID = :id');
$chk->execute([':id' => $wantedId]);
$exists = (bool)$chk->fetch();
}
if ($exists && $replaceIfExists) {
$pdo->prepare('DELETE FROM scoring_profile WHERE profileID = :id')->execute([':id' => $wantedId]);
$profileID = $wantedId;
} elseif ($exists) {
$profileID = bin2hex(random_bytes(16));
} else {
$profileID = $wantedId !== '' ? $wantedId : bin2hex(random_bytes(16));
}
$now = time();
$pdo->prepare(
'INSERT INTO scoring_profile (profileID, name, description, isActive,
greenMin, greenMax, yellowMin, yellowMax, redMin, createdAt, updatedAt)
VALUES (:id, :name, :desc, :act, :gmin, :gmax, :ymin, :ymax, :rmin, :ca, :ua)'
)->execute([
':id' => $profileID,
':name' => $name,
':desc' => trim($profile['description'] ?? ''),
':act' => !empty($profile['isActive']) ? 1 : 0,
':gmin' => (int)($profile['greenMin'] ?? 0),
':gmax' => (int)($profile['greenMax'] ?? 12),
':ymin' => (int)($profile['yellowMin'] ?? ((int)($profile['greenMax'] ?? 12) + 1)),
':ymax' => (int)($profile['yellowMax'] ?? 36),
':rmin' => (int)($profile['redMin'] ?? ((int)($profile['yellowMax'] ?? 36) + 1)),
':ca' => (int)($profile['createdAt'] ?? $now),
':ua' => (int)($profile['updatedAt'] ?? $now),
]);
$members = [];
foreach ($profile['questionnaires'] ?? [] as $idx => $row) {
if (!is_array($row)) {
continue;
}
$qnID = trim((string)($row['questionnaireID'] ?? ''));
if ($qnID === '') {
continue;
}
$chk = $pdo->prepare('SELECT 1 FROM questionnaire WHERE questionnaireID = :id');
$chk->execute([':id' => $qnID]);
if (!$chk->fetch()) {
continue;
}
$members[] = [
'questionnaireID' => $qnID,
'weight' => (float)($row['weight'] ?? 1.0),
'orderIndex' => (int)($row['orderIndex'] ?? $idx),
];
}
if ($members !== []) {
qdb_sync_profile_questionnaire_members($pdo, $profileID, $members);
}
}
}
function qdb_sync_profile_questionnaire_members(PDO $pdo, string $profileID, array $members): void {
$pdo->prepare('DELETE FROM scoring_profile_questionnaire WHERE profileID = :pid')
->execute([':pid' => $profileID]);
$ins = $pdo->prepare(
'INSERT INTO scoring_profile_questionnaire (profileID, questionnaireID, weight, orderIndex)
VALUES (:pid, :qn, :w, :o)'
);
foreach ($members as $m) {
$ins->execute([
':pid' => $profileID,
':qn' => $m['questionnaireID'],
':w' => $m['weight'],
':o' => $m['orderIndex'],
]);
}
}
// --- AES-256-CBC: IV(16) + CIPHERTEXT ---
function aes256_cbc_encrypt_bytes(string $plain, string $key): string {
$key = str_pad(substr($key, 0, 32), 32, "\0");
$iv = random_bytes(16);
$cipher = openssl_encrypt($plain, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
if ($cipher === false) throw new Exception('openssl_encrypt failed');
return $iv . $cipher;
}
function aes256_cbc_decrypt_bytes(string $data, string $key): string {
if (strlen($data) < 16) throw new Exception('cipher too short');
$key = str_pad(substr($key, 0, 32), 32, "\0");
$iv = substr($data, 0, 16);
$ct = substr($data, 16);
$plain = openssl_decrypt($ct, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
if ($plain === false) throw new Exception('openssl_decrypt failed');
return $plain;
}