Implement verified curriculum, video review, watch sessions, ledger safeguards, and remove demo data
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Hamza-Ayed
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<?php
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declare(strict_types=1);
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/**
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* Builds a review queue from manifest.json for migration 20260909.
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* Default mode is dry-run and never connects to MySQL. --apply creates only
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* unverified lessons, draft bundles, and draft assets; it never publishes.
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*
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* Usage:
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* php backend/scripts/backfill_curriculum_identity.php
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* php backend/scripts/backfill_curriculum_identity.php --apply
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*/
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$apply = in_array('--apply', $argv, true);
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$manifestPath = dirname(__DIR__) . '/storage/curriculum/manifest.json';
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$storageRoot = realpath(dirname(__DIR__) . '/storage/curriculum');
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if (!$storageRoot || !is_file($manifestPath)) {
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fwrite(STDERR, "Manifest or curriculum storage is unavailable.\n");
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exit(1);
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}
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$manifest = json_decode((string)file_get_contents($manifestPath), true);
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if (!is_array($manifest)) {
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fwrite(STDERR, "Manifest is not valid JSON.\n");
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exit(1);
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}
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$rows = [];
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foreach ($manifest as $gradeKey => $grade) {
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foreach (($grade['subjects'] ?? []) as $subjectKey => $subject) {
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foreach (($subject['semesters'] ?? []) as $semesterKey => $semester) {
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foreach (($semester['units'] ?? []) as $unitKey => $unit) {
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foreach (($unit['lessons'] ?? []) as $lesson) {
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$file = (string)($lesson['file'] ?? '');
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$candidate = realpath($storageRoot . '/' . ltrim($file, '/'));
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$insideStorage = $candidate && str_starts_with(
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$candidate,
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rtrim($storageRoot, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR
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);
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$rows[] = [
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'grade_key' => (string)$gradeKey,
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'subject_key' => (string)$subjectKey,
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'semester_key' => (string)$semesterKey,
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'unit_key' => (string)$unitKey,
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'lesson_key' => (string)($lesson['id'] ?? ''),
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'title' => (string)($lesson['title'] ?? ''),
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'manifest_path' => $file,
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'path' => $insideStorage ? $candidate : null,
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'missing' => !$insideStorage,
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];
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}
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}
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}
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}
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}
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$identityCounts = [];
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foreach ($rows as $row) {
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$identity = implode('|', [$row['grade_key'], $row['subject_key'], $row['semester_key'], $row['unit_key'], $row['lesson_key']]);
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$identityCounts[$identity] = ($identityCounts[$identity] ?? 0) + 1;
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}
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$conflicts = array_keys(array_filter($identityCounts, static fn (int $count): bool => $count > 1));
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$missing = array_values(array_filter($rows, static fn (array $row): bool => $row['missing']));
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$report = [
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'mode' => $apply ? 'apply' : 'dry_run',
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'curriculum_version' => 'manifest-2026-09-09',
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'lessons_found' => count($rows),
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'missing_assets' => array_map(static fn (array $row): array => [
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'identity' => implode('/', [$row['grade_key'], $row['subject_key'], $row['semester_key'], $row['unit_key'], $row['lesson_key']]),
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'title' => $row['title'],
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'manifest_path' => $row['manifest_path'] ?: null,
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'reason' => $row['manifest_path'] === '' ? 'missing_manifest_file_reference' : 'file_not_found_in_local_storage',
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], $missing),
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'identity_conflicts' => $conflicts,
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'eligible_for_review_queue' => count($rows) - count($missing),
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];
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if (!$apply) {
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echo json_encode($report, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE) . PHP_EOL;
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exit(($missing || $conflicts) ? 2 : 0);
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}
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if ($conflicts) {
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fwrite(STDERR, "Conflicting curriculum identities found. Resolve them before --apply.\n");
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echo json_encode($report, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE) . PHP_EOL;
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exit(2);
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}
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require_once dirname(__DIR__) . '/app/bootstrap.php';
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use App\Core\Database;
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$pdo = Database::getConnection();
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$pdo->beginTransaction();
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try {
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foreach ($rows as $row) {
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if ($row['missing']) {
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continue;
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}
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$lessonUuid = selfUuid();
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Database::query(
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"INSERT INTO curriculum_lessons
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(uuid, grade_key, subject_key, semester_key, unit_key, lesson_key, curriculum_version, title, source_manifest_path, source_status)
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VALUES (?, ?, ?, ?, ?, ?, 'manifest-2026-09-09', ?, ?, 'unverified')
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ON DUPLICATE KEY UPDATE title = VALUES(title), source_manifest_path = VALUES(source_manifest_path)",
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[$lessonUuid, $row['grade_key'], $row['subject_key'], $row['semester_key'], $row['unit_key'], $row['lesson_key'], $row['title'], $row['manifest_path']]
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);
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$lessonId = (int)Database::selectOne(
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"SELECT id FROM curriculum_lessons WHERE grade_key = ? AND subject_key = ? AND semester_key = ? AND unit_key = ? AND lesson_key = ? AND curriculum_version = 'manifest-2026-09-09' LIMIT 1",
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[$row['grade_key'], $row['subject_key'], $row['semester_key'], $row['unit_key'], $row['lesson_key']]
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)['id'];
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Database::query(
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"INSERT INTO publication_bundles (uuid, curriculum_lesson_id, bundle_version, status)
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VALUES (?, ?, 'manifest-2026-09-09', 'draft')
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ON DUPLICATE KEY UPDATE id = id",
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[selfUuid(), $lessonId]
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);
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$bundleId = (int)Database::selectOne(
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"SELECT id FROM publication_bundles WHERE curriculum_lesson_id = ? AND bundle_version = 'manifest-2026-09-09' LIMIT 1",
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[$lessonId]
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)['id'];
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$sha = hash_file('sha256', $row['path']);
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$bytes = filesize($row['path']);
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Database::query(
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"INSERT INTO content_assets (uuid, asset_type, storage_driver, storage_key, mime_type, byte_size, sha256, source_reference, review_status)
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VALUES (?, 'lesson_markdown', 'local', ?, 'text/markdown; charset=utf-8', ?, ?, ?, 'draft')
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ON DUPLICATE KEY UPDATE id = id",
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[selfUuid(), $row['manifest_path'], $bytes, $sha, 'manifest.json']
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);
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$assetId = (int)Database::selectOne(
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"SELECT id FROM content_assets WHERE storage_driver = 'local' AND storage_key = ? AND sha256 = ? LIMIT 1",
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[$row['manifest_path'], $sha]
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)['id'];
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Database::query(
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"INSERT IGNORE INTO publication_bundle_assets (publication_bundle_id, content_asset_id, role) VALUES (?, ?, 'primary_lesson')",
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[$bundleId, $assetId]
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);
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}
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$pdo->commit();
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$report['created_review_queue'] = true;
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echo json_encode($report, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE) . PHP_EOL;
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} catch (Throwable $e) {
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$pdo->rollBack();
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fwrite(STDERR, "Backfill rolled back: {$e->getMessage()}\n");
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exit(1);
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}
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function selfUuid(): string
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{
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$bytes = random_bytes(16);
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$bytes[6] = chr((ord($bytes[6]) & 0x0f) | 0x40);
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$bytes[8] = chr((ord($bytes[8]) & 0x3f) | 0x80);
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return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($bytes), 4));
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}
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