Initial commit - TPU Survey System with Google Forms & Certificate Generator
This commit is contained in:
pongpon pitisuk
@@ -0,0 +1,291 @@
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<?php
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/**
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* Import Google Form API
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* POST ?action=importFromUrl - Import survey structure from Google Form URL
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* POST ?action=importFromJson - Import survey structure from JSON
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*/
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require_once __DIR__ . '/../config/database.php';
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require_once __DIR__ . '/../config/auth.php';
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header('Content-Type: application/json; charset=utf-8');
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requireLogin();
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$action = $_GET['action'] ?? '';
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switch ($action) {
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case 'importFromUrl':
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importFromUrl();
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break;
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case 'importFromJson':
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importFromJson();
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break;
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default:
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jsonResponse(['error' => 'Invalid action'], 400);
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}
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function importFromUrl() {
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$input = json_decode(file_get_contents('php://input'), true);
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$url = trim($input['url'] ?? '');
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$projectId = !empty($input['project_id']) ? (int)$input['project_id'] : null;
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if (empty($url)) {
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jsonResponse(['error' => 'กรุณาระบุ URL หรือ Link ของ Google Form'], 400);
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}
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// Extract Form ID or viewform URL
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if (!preg_match('/docs\.google\.com\/forms\/d\/e?\/([^\/]+)/i', $url, $matches) && !preg_match('/docs\.google\.com\/forms\/d\/([^\/]+)/i', $url, $matches)) {
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jsonResponse(['error' => 'รูปแบบ URL ของ Google Form ไม่ถูกต้อง'], 400);
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}
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// Attempt to fetch the public viewform HTML
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$fetchUrl = $url;
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if (strpos($fetchUrl, '/viewform') === false && strpos($fetchUrl, '/edit') === false) {
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$fetchUrl = rtrim($fetchUrl, '/') . '/viewform';
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}
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $fetchUrl);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36');
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curl_setopt($ch, CURLOPT_TIMEOUT, 15);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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$html = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpCode !== 200 || empty($html)) {
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jsonResponse(['error' => 'ไม่สามารถดึงข้อมูลจาก Google Form URL นี้ได้ โปรดตรวจสอบว่าเปิดเป็นสาธารณะ (Public) หรือไม่'], 400);
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}
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// Parse FB_PUBLIC_LOAD_DATA_
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if (!preg_match('/FB_PUBLIC_LOAD_DATA_\s*=\s*(.+?);<\/script>/s', $html, $dataMatches)) {
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jsonResponse(['error' => 'ไม่พบโครงสร้างแบบสอบถามใน Google Form นี้'], 400);
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}
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$formData = json_decode($dataMatches[1], true);
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if (!$formData || !isset($formData[1])) {
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jsonResponse(['error' => 'โครงสร้างข้อมูล Google Form ไม่ถูกต้อง'], 400);
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}
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$parsedSurvey = parseGoogleFormData($formData);
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$surveyId = saveParsedSurveyToDB($parsedSurvey, $projectId);
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jsonResponse([
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'success' => true,
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'message' => 'นำเข้าโครงสร้างแบบสอบถามจาก Google Form เรียบร้อยแล้ว',
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'survey_id' => $surveyId,
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'title' => $parsedSurvey['title']
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]);
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}
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function importFromJson() {
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$input = json_decode(file_get_contents('php://input'), true);
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$projectId = !empty($input['project_id']) ? (int)$input['project_id'] : null;
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$surveyData = $input['survey_data'] ?? null;
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if (!$surveyData || empty($surveyData['title'])) {
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jsonResponse(['error' => 'ข้อมูล JSON ไม่ถูกต้อง หรือขาดชื่อแบบสอบถาม'], 400);
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}
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$surveyId = saveParsedSurveyToDB($surveyData, $projectId);
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jsonResponse([
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'success' => true,
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'message' => 'นำเข้าแบบสอบถามเรียบร้อยแล้ว',
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'survey_id' => $surveyId,
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'title' => $surveyData['title']
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]);
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}
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/**
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* Helper: Parse Google Forms FB_PUBLIC_LOAD_DATA_ structure
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*/
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function parseGoogleFormData($data) {
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$title = $data[1][8] ?? $data[1][1] ?? $data[3] ?? 'แบบสอบถามจาก Google Forms';
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$description = $data[1][0] ?? '';
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$rawItems = $data[1][1] ?? [];
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$sections = [];
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$currentSection = [
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'section_number' => 1,
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'title' => 'ส่วนที่ 1 ข้อมูลทั่วไป',
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'description' => '',
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'category' => 'general',
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'questions' => []
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];
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$sectionCount = 1;
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foreach ($rawItems as $item) {
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if (!is_array($item)) continue;
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$qTitle = $item[1] ?? '';
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$qDesc = $item[2] ?? '';
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$qTypeNum = $item[3] ?? 0;
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$qDetails = $item[4][0] ?? [];
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if (empty($qTitle) && $qTypeNum != 8) continue; // Skip empty items except section breaks
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// Type 8 = Section Break in Google Forms
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if ($qTypeNum == 8) {
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if (!empty($currentSection['questions'])) {
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$sections[] = $currentSection;
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}
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$sectionCount++;
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$currentSection = [
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'section_number' => $sectionCount,
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'title' => $qTitle ?: ('ส่วนที่ ' . $sectionCount),
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'description' => $qDesc,
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'category' => 'rating',
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'questions' => []
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];
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continue;
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}
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$qType = 'radio';
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$options = [];
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$scaleMin = 1;
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$scaleMax = 5;
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// Map Google Forms Item Type numbers:
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// 0: Short Text, 1: Paragraph
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// 2: Radio (Multiple Choice), 3: Dropdown, 4: Checkbox
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// 5: Linear Scale (1-5)
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// 7: Grid / Matrix
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switch ($qTypeNum) {
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case 0:
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case 1:
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$qType = 'text';
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break;
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case 2:
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$qType = 'radio';
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if (isset($qDetails[1]) && is_array($qDetails[1])) {
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foreach ($qDetails[1] as $opt) {
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if (isset($opt[0])) $options[] = $opt[0];
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}
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}
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break;
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case 3:
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$qType = 'dropdown';
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if (isset($qDetails[1]) && is_array($qDetails[1])) {
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foreach ($qDetails[1] as $opt) {
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if (isset($opt[0])) $options[] = $opt[0];
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}
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}
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break;
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case 4:
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$qType = 'checkbox';
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if (isset($qDetails[1]) && is_array($qDetails[1])) {
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foreach ($qDetails[1] as $opt) {
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if (isset($opt[0])) $options[] = $opt[0];
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}
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}
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break;
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case 5:
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$qType = 'radio'; // Rating Scale
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$scaleMin = 1;
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$scaleMax = 5;
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break;
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default:
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$qType = 'text';
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break;
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}
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$isRequired = isset($qDetails[2]) && $qDetails[2] == 1 ? 1 : 0;
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$questionObj = [
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'question_text' => $qTitle,
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'question_type' => $qType,
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'is_required' => $isRequired,
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'description' => $qDesc,
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'options' => count($options) > 0 ? $options : null,
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'scale_min' => $scaleMin,
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'scale_max' => $scaleMax
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];
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$currentSection['questions'][] = $questionObj;
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}
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if (!empty($currentSection['questions'])) {
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$sections[] = $currentSection;
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}
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if (empty($sections)) {
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$sections[] = [
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'section_number' => 1,
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'title' => 'ส่วนที่ 1 ข้อมูลและข้อคำถาม',
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'description' => 'นำเข้าจาก Google Forms',
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'category' => 'general',
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'questions' => []
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];
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}
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return [
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'title' => $title,
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'description' => $description ?: 'แบบสอบถามที่นำเข้าจาก Google Forms',
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'sections' => $sections
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];
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}
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/**
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* Save parsed survey structure into database
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*/
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function saveParsedSurveyToDB($parsedSurvey, $projectId = null) {
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$db = getDB();
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$uniqueLink = bin2hex(random_bytes(16));
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$db->beginTransaction();
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try {
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$stmt = $db->prepare("INSERT INTO surveys (user_id, project_id, title, description, unique_link, status) VALUES (?, ?, ?, ?, ?, 'active')");
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$stmt->execute([
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$_SESSION['user_id'],
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$projectId,
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$parsedSurvey['title'],
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$parsedSurvey['description'] ?? '',
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$uniqueLink
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]);
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$surveyId = $db->lastInsertId();
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$sections = $parsedSurvey['sections'] ?? [];
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$secNum = 1;
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foreach ($sections as $sec) {
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$stmt = $db->prepare("INSERT INTO survey_sections (survey_id, section_number, title, description, category) VALUES (?, ?, ?, ?, ?)");
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$stmt->execute([
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$surveyId,
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$sec['section_number'] ?? $secNum,
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$sec['title'] ?? ('ส่วนที่ ' . $secNum),
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$sec['description'] ?? '',
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$sec['category'] ?? 'rating'
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]);
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$sectionId = $db->lastInsertId();
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$orderNum = 1;
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foreach ($sec['questions'] as $q) {
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$optionsJson = !empty($q['options']) ? json_encode($q['options'], JSON_UNESCAPED_UNICODE) : null;
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$stmtQ = $db->prepare("INSERT INTO survey_questions (section_id, question_text, question_type, is_required, order_num, options, scale_min, scale_max, description) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)");
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$stmtQ->execute([
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$sectionId,
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$q['question_text'],
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$q['question_type'] ?? 'radio',
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$q['is_required'] ?? 1,
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$orderNum++,
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$optionsJson,
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$q['scale_min'] ?? 1,
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$q['scale_max'] ?? 5,
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$q['description'] ?? null
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]);
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}
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$secNum++;
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}
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$db->commit();
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return $surveyId;
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} catch (Exception $e) {
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$db->rollBack();
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jsonResponse(['error' => 'เกิดข้อผิดพลาดในการบันทึกแบบสอบถาม: ' . $e->getMessage()], 500);
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}
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}
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