104 lines
4.2 KiB
PHP
104 lines
4.2 KiB
PHP
<?php
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declare(strict_types=1);
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require_once __DIR__ . "/../auth_helper.php";
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require_login();
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require_role(["Admin", "Adviser", "Officer"]);
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if ($_SERVER["REQUEST_METHOD"] === "POST") {
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$election_id = $_POST["election_id"] ?? "";
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$file = $_FILES["csv_file"] ?? null;
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if (!$election_id || !$file || $file["error"] !== UPLOAD_ERR_OK) {
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die("Invalid submission or file upload error.");
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}
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$extension = pathinfo($file["name"], PATHINFO_EXTENSION);
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if (strtolower($extension) !== "csv") {
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die("Please upload a valid CSV file.");
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}
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try {
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$pdo = db();
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$pdo->beginTransaction();
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$handle = fopen($file["tmp_name"], "r");
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if ($handle === false) {
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throw new Exception("Could not open the uploaded file.");
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}
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// Skip header if it exists
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$header = fgetcsv($handle);
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// Basic header validation (optional, but good)
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// Expected: student_id, name, email, track, grade_level
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$imported = 0;
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$updated = 0;
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while (($data = fgetcsv($handle)) !== false) {
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if (count($data) < 5) continue; // Skip malformed rows
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$student_id = trim($data[0]);
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$name = trim($data[1]);
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$email = trim($data[2]);
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$track = trim($data[3]);
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$grade_level = trim($data[4]);
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$section = trim($data[5] ?? "");
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if (!$student_id || !$name || !$email) continue;
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// 1. Check if user already exists
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$stmt = $pdo->prepare("SELECT id FROM users WHERE student_id = ? OR email = ?");
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$stmt->execute([$student_id, $email]);
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$existing = $stmt->fetch();
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if ($existing) {
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$user_id = $existing["id"];
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// Update track/grade/section if needed
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$upd = $pdo->prepare("UPDATE users SET track = ?, grade_level = ?, section = ? WHERE id = ?");
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$upd->execute([$track, $grade_level, $section, $user_id]);
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$updated++;
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} else {
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// 1a. Create user in Supabase
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$supabaseUser = SupabaseAuth::createUser($email, "iloilohns");
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$supabase_uid = null;
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if ($supabaseUser['error']) {
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if (str_contains(strtolower($supabaseUser['error']), 'already registered')) {
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$sbUser = SupabaseAuth::getUserByEmail($email);
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$supabase_uid = $sbUser['id'] ?? null;
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} else {
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// Log error but continue with other users? Or fail?
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// Let's fail for now to be safe.
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throw new Exception("Supabase Error for $email: " . $supabaseUser['error']);
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}
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} else {
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$supabase_uid = $supabaseUser['data']['id'] ?? null;
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}
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// Create new user locally
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$user_id = uuid();
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$stmt = $pdo->prepare("INSERT INTO users (id, supabase_uid, student_id, name, email, track, grade_level, section, role) VALUES (?, ?, ?, ?, ?, ?, ?, ?, 'Voter')");
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$stmt->execute([$user_id, $supabase_uid, $student_id, $name, $email, $track, $grade_level, $section]);
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$imported++;
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}
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// 2. Assign to election
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$chk = $pdo->prepare("SELECT COUNT(*) FROM election_assignments WHERE election_id = ? AND user_id = ?");
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$chk->execute([$election_id, $user_id]);
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if ($chk->fetchColumn() == 0) {
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$ea = $pdo->prepare("INSERT INTO election_assignments (id, election_id, user_id, role_in_election, assigned_by) VALUES (?, ?, ?, 'Voter', ?)");
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$ea->execute([uuid(), $election_id, $user_id, $_SESSION['user_id']]);
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}
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}
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fclose($handle);
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audit_log("Imported voters via CSV", "users", "multiple");
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$pdo->commit();
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header("Location: ../voter_management.php?success=import_complete&imported=$imported&updated=$updated");
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exit;
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} catch (Exception $e) {
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if (isset($pdo) && $pdo->inTransaction()) $pdo->rollBack();
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die("Error: " . $e->getMessage());
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}
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}
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