Implement verified curriculum, video review, watch sessions, ledger safeguards, and remove demo data
This commit is contained in:
Hamza-Ayed
@@ -201,6 +201,16 @@ class AiVideoAnalyzerService
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// Perform Gemini AI or Curriculum-grounded Analysis
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$analysisResult = self::generateAnalysis($lessonTitle, $duration, $curriculum);
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if (($analysisResult['status'] ?? '') === 'needs_evidence_review') {
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return [
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'status' => 'needs_evidence_review',
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'lesson_id' => $lessonId,
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'message' => 'لا يمكن نشر فصول أو أسئلة للفيديو من دون تفريغ زمني ومراجعة تربوية مرتبطة بالدرس.',
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'timeline_chapters' => [],
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'checkpoints_count' => 0,
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];
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}
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// 1. Save Timeline Chapters to lessons table
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if (!empty($analysisResult['timeline_chapters'])) {
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Database::query(
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@@ -407,6 +417,15 @@ class AiVideoAnalyzerService
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*/
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private static function generateAnalysis(string $lessonTitle, int $duration, array $curriculum): array
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{
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// This legacy signature receives neither a timestamped transcript nor
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// the approved Markdown version. It must never create publishable
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// video claims, even when an AI key happens to be configured.
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return [
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'timeline_chapters' => [],
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'socratic_checkpoints' => [],
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'status' => 'needs_evidence_review',
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];
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$geminiKey = self::nextGeminiApiKey();
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if (!empty($geminiKey)) {
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@@ -482,8 +501,14 @@ class AiVideoAnalyzerService
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}
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}
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// High-Precision Curriculum Grounded Engine (Offline / Safe Fallback)
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return self::buildGroundedCurriculumAnalysis($lessonTitle, $duration, $curriculum);
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// A title and curriculum outline do not prove what appears at a given
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// moment in the video. Do not publish chapters or questions without
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// transcript evidence and a successful review workflow.
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return [
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'timeline_chapters' => [],
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'socratic_checkpoints' => [],
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'status' => 'needs_evidence_review',
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];
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}
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/**
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@@ -27,14 +27,14 @@ class CliqPaymentService
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public const DEFAULT_BANK_NAME = 'بنك الاتحاد / البنك العربي (الأردن)';
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/**
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* إنشاء الجداول المخصصة لمدفوعات كليك وطابور السحب تلقائياً إن لم تكن موجودة
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* @deprecated Schema is installed through migrations only. This no-op
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* prevents legacy callers from running DDL during an HTTP request.
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*/
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public static function ensureSchema(): void
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{
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static $ran = false;
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if ($ran) return;
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$ran = true;
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/* Runtime DDL removed; apply 20260909_payment_safety_hold.sql instead. */
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return;
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/*
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try {
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// جدول مدفوعات كليك الواردة من الطلاب
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Database::query(
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@@ -79,6 +79,16 @@ class CliqPaymentService
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} catch (\Throwable $e) {
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error_log('[CliqPaymentService] ensureSchema warning: ' . $e->getMessage());
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}
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*/
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}
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private static function unavailable(string $operation): array
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{
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return [
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'status' => 'unavailable',
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'operation' => $operation,
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'message' => 'هذه العملية المالية غير متاحة حتى يكتمل ربط مزود الدفع والتسوية الموثقة. لم يتم إنشاء حركة مالية أو تفعيل وصول أو سحب رصيد.',
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];
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}
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/**
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@@ -86,6 +96,8 @@ class CliqPaymentService
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*/
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public static function initiatePayment(int $studentId, int $courseId): array
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{
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return self::unavailable('initiate_payment');
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self::ensureSchema();
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$course = Database::selectOne("SELECT id, title, price_jod, teacher_id FROM courses WHERE id = ? LIMIT 1", [$courseId]);
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@@ -130,6 +142,8 @@ class CliqPaymentService
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string $receiptBase64,
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?string $manualTxId = null
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): array {
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return self::unavailable('submit_receipt');
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self::ensureSchema();
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$payment = Database::selectOne(
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@@ -225,6 +239,8 @@ class CliqPaymentService
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*/
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public static function requestTeacherPayout(int $teacherId, float $amountJod, string $teacherCliqAlias): array
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{
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return self::unavailable('request_payout');
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self::ensureSchema();
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if ($amountJod < 20.00) {
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@@ -259,6 +275,8 @@ class CliqPaymentService
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*/
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public static function processPayoutQueue(): array
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{
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return self::unavailable('process_payout_queue');
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self::ensureSchema();
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$queuedItems = Database::select(
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@@ -298,6 +316,8 @@ class CliqPaymentService
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*/
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public static function getTeacherPayouts(int $teacherId): array
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{
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return [];
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self::ensureSchema();
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$payouts = Database::select(
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@@ -28,56 +28,11 @@ class CurriculumService
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}
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/**
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* Runtime migration: add is_system_curriculum (and related columns) to `courses`
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* if they are missing. Safe to call multiple times — uses IF NOT EXISTS / IGNORE.
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* Compatibility hook. Course schema is managed by migrations, never by requests.
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*/
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public static function ensureSystemCurriculumColumn(): void
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{
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static $ran = false;
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if ($ran) return;
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$ran = true;
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try {
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// Check whether the column exists to avoid noisy ALTER errors on every request
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$row = Database::selectOne(
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"SELECT COUNT(*) as cnt FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'courses'
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AND COLUMN_NAME = 'is_system_curriculum'
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LIMIT 1"
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);
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if (empty($row['cnt'])) {
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Database::query(
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"ALTER TABLE `courses`
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ADD COLUMN `is_system_curriculum` TINYINT(1) NOT NULL DEFAULT 0
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COMMENT 'الدورة الرئيسية للمنهاج الوزاري'
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AFTER `is_school_exclusive`"
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);
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}
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// Also ensure grade_level + stream columns exist (for student filtering)
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$gradeRow = Database::selectOne(
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"SELECT COUNT(*) as cnt FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'courses'
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AND COLUMN_NAME = 'grade_level'
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LIMIT 1"
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);
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if (empty($gradeRow['cnt'])) {
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Database::query(
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"ALTER TABLE `courses`
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ADD COLUMN `grade_level` VARCHAR(50) DEFAULT NULL
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COMMENT 'المرحلة الدراسية مثل: tawjihi_2008'
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AFTER `is_system_curriculum`,
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ADD COLUMN `stream` ENUM('scientific','literary','vocational','general') DEFAULT NULL
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COMMENT 'الفرع الدراسي'
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AFTER `grade_level`"
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);
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}
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} catch (\Throwable $e) {
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error_log('[CurriculumService] ensureSystemCurriculumColumn error: ' . $e->getMessage());
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}
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// Intentionally empty. Run backend/scripts/run_migrations.php before serving.
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}
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/**
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@@ -0,0 +1,19 @@
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<?php
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declare(strict_types=1);
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namespace App\Services;
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use App\Core\Database;
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/** Reads only the reviewed package attached to the exact published curriculum lesson. */
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final class LearningPackageService {
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public static function publishedEnglish(string $lessonUuid,int $studentId,?string $nationalId):array {
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if(!preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i',$lessonUuid))return ['http_status'=>400,'status'=>'error','message'=>'هوية الدرس غير صالحة.'];
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$lesson=Database::selectOne("SELECT cl.id,cl.uuid,cl.grade_key,cl.title FROM curriculum_lessons cl WHERE cl.uuid=? AND cl.source_status='approved' LIMIT 1",[$lessonUuid]);
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if(!$lesson)return ['http_status'=>404,'status'=>'error','message'=>'الدرس غير منشور.'];
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$access=StudentAccessControlService::validateLessonAccess($studentId,$nationalId,StudentAccessControlService::normalizeGrade((string)$lesson['grade_key']),null,null,false);
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if(empty($access['allowed']))return ['http_status'=>403,'status'=>'forbidden','message'=>$access['message']??'غير مصرح بالوصول إلى الدرس.'];
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$package=Database::selectOne("SELECT lp.id,lp.structure_json,pb.bundle_version FROM lesson_learning_packages lp JOIN publication_bundles pb ON pb.id=lp.bundle_id AND pb.status='published' WHERE lp.curriculum_lesson_id=? AND lp.package_type='english' AND lp.status='published' LIMIT 1",[$lesson['id']]);
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if(!$package)return ['http_status'=>404,'status'=>'not_ready','message'=>'حزمة الإنجليزية المعتمدة لهذا الدرس لم تُنشر بعد.'];
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$entries=Database::select("SELECT e.lemma,e.part_of_speech,e.meaning_ar,e.ipa_verified,a.uuid AS audio_asset_id FROM english_lexical_entries e LEFT JOIN content_assets a ON a.id=e.audio_asset_id AND a.review_status='approved' WHERE e.lesson_learning_package_id=? AND e.review_status='approved' ORDER BY e.id",[$package['id']]);
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return ['http_status'=>200,'status'=>'success','data'=>['curriculum_lesson_id'=>$lesson['uuid'],'title'=>$lesson['title'],'bundle_version'=>$package['bundle_version'],'structure'=>json_decode((string)$package['structure_json'],true)??[],'lexical_entries'=>$entries]];
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}
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}
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@@ -0,0 +1,52 @@
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<?php
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declare(strict_types=1);
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namespace App\Services;
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use App\Core\Database;
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/** Resolves only approved assets belonging to a currently published bundle. */
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final class PublishedContentService
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{
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private const STORAGE_ROOT = __DIR__ . '/../../storage/curriculum';
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public static function findPublishedAsset(string $assetUuid): ?array
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{
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if (!preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i', $assetUuid)) {
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return null;
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}
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return Database::selectOne(
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"SELECT a.uuid, a.asset_type, a.storage_driver, a.storage_key, a.mime_type,
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a.byte_size, a.sha256, cl.uuid AS curriculum_lesson_uuid,
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cl.grade_key, cl.subject_key, cl.semester_key, cl.unit_key,
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cl.lesson_key, pb.bundle_version
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FROM content_assets a
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JOIN publication_bundle_assets pba ON pba.content_asset_id = a.id
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JOIN publication_bundles pb ON pb.id = pba.publication_bundle_id
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JOIN curriculum_lessons cl ON cl.id = pb.curriculum_lesson_id
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WHERE a.uuid = ?
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AND a.review_status = 'approved'
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AND pb.status = 'published'
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AND cl.source_status = 'approved'
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ORDER BY pb.published_at DESC, pb.id DESC
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LIMIT 1",
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[$assetUuid]
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);
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}
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public static function readLocalAsset(array $asset): ?string
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{
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if (($asset['storage_driver'] ?? '') !== 'local') {
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return null;
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}
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$root = realpath(self::STORAGE_ROOT);
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$path = $root ? realpath($root . '/' . ltrim((string)$asset['storage_key'], '/')) : false;
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$prefix = $root ? rtrim($root, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR : '';
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if (!$path || !$prefix || !str_starts_with($path, $prefix) || !is_file($path)) {
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return null;
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}
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return $path;
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}
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}
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@@ -37,7 +37,8 @@ class StudentAccessControlService
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?string $nationalId,
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string $targetGrade,
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?int $courseId = null,
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?int $lessonId = null
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?int $lessonId = null,
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bool $allowSideEffects = true
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): array {
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// 1. استرجاع بيانات الطالب وسجله الدراسي
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$student = null;
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@@ -90,7 +91,7 @@ class StudentAccessControlService
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// Auto-heal obsolete database schema default:
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// If student was recorded with the old default 'tawjihi_2008' or empty and target is grade_10
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if (($student['grade_level'] === 'tawjihi_2008' || empty($student['grade_level'])) && $normalizedTargetGrade === 'grade_10') {
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if ($allowSideEffects && ($student['grade_level'] === 'tawjihi_2008' || empty($student['grade_level'])) && $normalizedTargetGrade === 'grade_10') {
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Database::query("UPDATE students SET grade_level = 'grade_10', updated_at = NOW() WHERE id = ?", [(int)$student['id']]);
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$student['grade_level'] = 'grade_10';
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$activeStudentGrade = 'grade_10';
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@@ -101,7 +102,7 @@ class StudentAccessControlService
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// أما الطلبة المستقلون وحسابات التجربة والتعلم الحر، فيتم تحديث صفهم النشط تلقائياً وفق المحتوى المختار
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$isCohortLocked = !empty($student['is_school_sponsored']) || !empty($student['school_id']);
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if ($activeStudentGrade !== $normalizedTargetGrade) {
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if (!$isCohortLocked && !empty($student['id'])) {
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if (!$isCohortLocked && !empty($student['id']) && $allowSideEffects) {
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Database::query("UPDATE students SET grade_level = ? WHERE id = ?", [$normalizedTargetGrade, (int)$student['id']]);
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$activeStudentGrade = $normalizedTargetGrade;
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} else {
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@@ -126,7 +127,7 @@ class StudentAccessControlService
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if ($isMilitaryCulture || $isPrivateSponsored) {
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// الطالب مشمول مجاناً 100% (صفر دينار)
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if ($courseId && !empty($student['id'])) {
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if ($allowSideEffects && $courseId && !empty($student['id'])) {
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self::ensureSchoolIncludedPass((int)$student['id'], $courseId);
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}
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@@ -0,0 +1,40 @@
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<?php
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declare(strict_types=1);
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namespace App\Services;
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use App\Core\Database;
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/** Integer-fils ledger. Credits are never inferred from UI, courses, or watch time. */
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final class TeacherLedgerService {
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public static function balance(int $teacherId): array {
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$account=self::account($teacherId);
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$row=Database::selectOne('SELECT COALESCE(SUM(CASE WHEN credit_account_id=? THEN amount_fils WHEN debit_account_id=? THEN -amount_fils ELSE 0 END),0) AS balance FROM ledger_entries WHERE credit_account_id=? OR debit_account_id=?',[$account,$account,$account,$account]);
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$holds=Database::selectOne("SELECT COALESCE(SUM(amount_fils),0) AS held FROM teacher_withdrawal_holds WHERE teacher_id=? AND status='held'",[$teacherId]);
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$gross=(int)($row['balance']??0);$held=(int)($holds['held']??0);
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return ['account_id'=>$account,'gross_fils'=>$gross,'held_fils'=>$held,'available_fils'=>max(0,$gross-$held)];
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}
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public static function placeWithdrawalHold(int $teacherId,int $amountFils,string $key):array {
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if($amountFils<=0||$amountFils>100000000||!preg_match('/^[A-Za-z0-9._:-]{16,128}$/',$key))return ['http_status'=>400,'status'=>'error','message'=>'قيمة الحجز أو مفتاح الإعادة غير صالح.'];
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$pdo=Database::getConnection();$pdo->beginTransaction();try {
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$existing=Database::selectOne('SELECT uuid,amount_fils,status FROM teacher_withdrawal_holds WHERE teacher_id=? AND idempotency_key=? FOR UPDATE',[$teacherId,$key]);
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if($existing){if((int)$existing['amount_fils']!==$amountFils)return self::finish($pdo,['http_status'=>409,'status'=>'idempotency_conflict','message'=>'استعمل المفتاح ذاته بمبلغ مختلف.']);return self::finish($pdo,['http_status'=>200,'status'=>$existing['status'],'withdrawal_hold_id'=>$existing['uuid'],'replayed'=>true]);}
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$balance=self::balance($teacherId);
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if($amountFils>$balance['available_fils'])return self::finish($pdo,['http_status'=>409,'status'=>'insufficient_available_balance','message'=>'الرصيد المتاح لا يغطي الحجز.','available_fils'=>$balance['available_fils']]);
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$uuid=self::uuid();Database::insert("INSERT INTO teacher_withdrawal_holds (uuid,teacher_id,amount_fils,status,idempotency_key) VALUES (?,?,?,'held',?)",[$uuid,$teacherId,$amountFils,$key]);
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return self::finish($pdo,['http_status'=>201,'status'=>'held','withdrawal_hold_id'=>$uuid,'amount_fils'=>$amountFils]);
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}catch(\Throwable $e){if($pdo->inTransaction())$pdo->rollBack();throw $e;}
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}
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public static function releaseHold(int $teacherId,string $holdUuid,string $reason):array {
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if(!self::isUuid($holdUuid)||trim($reason)==='')return ['http_status'=>400,'status'=>'error','message'=>'بيانات إلغاء الحجز غير صالحة.'];
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$changed=Database::execute("UPDATE teacher_withdrawal_holds SET status='released',released_at=NOW() WHERE uuid=? AND teacher_id=? AND status='held'",[$holdUuid,$teacherId]);
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return $changed===1?['http_status'=>200,'status'=>'released','reason'=>$reason]:['http_status'=>409,'status'=>'hold_not_releasable','message'=>'الحجز غير موجود أو تمت تسويته.'];
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}
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private static function account(int $teacherId):int {
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$existing=Database::selectOne("SELECT id FROM ledger_accounts WHERE code='teacher_available' AND owner_type='teacher' AND owner_id=? AND currency='JOD' LIMIT 1",[$teacherId]);
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if($existing)return(int)$existing['id'];
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Database::insert("INSERT INTO ledger_accounts (code,owner_type,owner_id,currency) VALUES ('teacher_available','teacher',?,'JOD')",[$teacherId]);
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return(int)(Database::selectOne("SELECT id FROM ledger_accounts WHERE code='teacher_available' AND owner_type='teacher' AND owner_id=? AND currency='JOD' LIMIT 1",[$teacherId])['id']??0);
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}
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private static function isUuid(string $v):bool{return(bool)preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i',$v);}
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private static function uuid():string{$b=random_bytes(16);$b[6]=chr((ord($b[6])&15)|64);$b[8]=chr((ord($b[8])&63)|128);return vsprintf('%s%s-%s-%s-%s-%s%s%s',str_split(bin2hex($b),4));}
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private static function finish(\PDO $pdo,array $result):array{$pdo->commit();return $result;}
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}
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@@ -15,8 +15,11 @@ class TeacherRatingService
|
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|
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public static function ensureSchema(): void
|
||||
{
|
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// Schema is installed by migrations. Runtime DDL previously included a
|
||||
// DROP TABLE path and must never run during a student request.
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||||
return;
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/*
|
||||
if (self::$schemaChecked) return;
|
||||
|
||||
try {
|
||||
// 1. Ensure teacher_reviews table exists with all columns
|
||||
Database::query("
|
||||
@@ -75,6 +78,7 @@ class TeacherRatingService
|
||||
} catch (\Throwable $e) {
|
||||
error_log("TeacherRatingService schema note: " . $e->getMessage());
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -210,8 +214,8 @@ class TeacherRatingService
|
||||
);
|
||||
|
||||
$totalReviews = count($reviews);
|
||||
$weightedRating = 5.00;
|
||||
$rawRating = 5.00;
|
||||
$weightedRating = 0.00;
|
||||
$rawRating = 0.00;
|
||||
|
||||
if ($totalReviews > 0) {
|
||||
$sumWeighted = 0;
|
||||
@@ -226,7 +230,7 @@ class TeacherRatingService
|
||||
$sumRaw += $val;
|
||||
}
|
||||
|
||||
$weightedRating = $sumWeights > 0 ? round($sumWeighted / $sumWeights, 2) : 5.00;
|
||||
$weightedRating = $sumWeights > 0 ? round($sumWeighted / $sumWeights, 2) : 0.00;
|
||||
$rawRating = round($sumRaw / $totalReviews, 2);
|
||||
}
|
||||
|
||||
@@ -237,7 +241,9 @@ class TeacherRatingService
|
||||
$masteryScore = self::calculateMasteryImpact($teacherId);
|
||||
|
||||
// 4. AI Socratic Engagement Index
|
||||
$aiEngagementScore = 96.00;
|
||||
// There is no verified AI engagement measurement yet. Keep the metric
|
||||
// neutral until the reviewed video/watch pipeline supplies one.
|
||||
$aiEngagementScore = 0.00;
|
||||
|
||||
// 5. Composite Merit Calculation (The Fair Formula: 25% SLA + 25% AI + 25% Mastery + 25% Student Review)
|
||||
$reviewComponent = $weightedRating * 20.0;
|
||||
@@ -266,7 +272,11 @@ class TeacherRatingService
|
||||
}
|
||||
|
||||
// Count enrolled students
|
||||
$studentsCount = (int)(Database::selectOne("SELECT COUNT(*) as cnt FROM students")['cnt'] ?? 0);
|
||||
$studentsCount = (int)(Database::selectOne(
|
||||
"SELECT COUNT(DISTINCT lp.student_id) AS cnt FROM lesson_progress lp
|
||||
JOIN lessons l ON l.id=lp.lesson_id JOIN courses c ON c.id=l.course_id
|
||||
WHERE c.teacher_id=?", [$teacherId]
|
||||
)['cnt'] ?? 0);
|
||||
|
||||
// Upsert into teacher_performance_metrics
|
||||
Database::query(
|
||||
@@ -295,7 +305,7 @@ class TeacherRatingService
|
||||
$slaData['avg_response_minutes'],
|
||||
$slaData['response_rate_pct'],
|
||||
$slaData['active_queue_count'],
|
||||
max(1, $studentsCount),
|
||||
$studentsCount,
|
||||
$totalReviews,
|
||||
$rawRating,
|
||||
$weightedRating,
|
||||
@@ -364,20 +374,19 @@ class TeacherRatingService
|
||||
$totalReplies = (int)(Database::selectOne("SELECT COUNT(DISTINCT receiver_id) as cnt FROM chat_messages WHERE sender_id = ?", [$teacherId])['cnt'] ?? 0);
|
||||
|
||||
// Calculate Base Response Rate
|
||||
$responseRate = $totalInquiries > 0 ? min(100.0, round(($totalReplies / $totalInquiries) * 100.0, 1)) : 99.0;
|
||||
if ($responseRate < 80.0) $responseRate = 95.0;
|
||||
$responseRate = $totalInquiries > 0 ? min(100.0, round(($totalReplies / $totalInquiries) * 100.0, 1)) : 0.0;
|
||||
|
||||
$baseResponseMinutes = 3;
|
||||
$baseResponseMinutes = 0;
|
||||
|
||||
if ($isActivelySolving && $queueDepth > 0) {
|
||||
$effectiveSlaScore = 99.0;
|
||||
$effectiveSlaScore = 0.0;
|
||||
$effectiveMinutes = $baseResponseMinutes + min(2, (int)($queueDepth * 0.5));
|
||||
} elseif ($queueDepth > 0) {
|
||||
$effectiveMinutes = $baseResponseMinutes + min(5, $queueDepth);
|
||||
$effectiveSlaScore = max(90.0, 98.0 - ($queueDepth * 0.8));
|
||||
$effectiveSlaScore = 0.0;
|
||||
} else {
|
||||
$effectiveMinutes = $baseResponseMinutes;
|
||||
$effectiveSlaScore = 99.5;
|
||||
$effectiveSlaScore = 0.0;
|
||||
}
|
||||
|
||||
return [
|
||||
@@ -393,11 +402,11 @@ class TeacherRatingService
|
||||
}
|
||||
|
||||
return [
|
||||
'avg_response_minutes' => 3,
|
||||
'response_rate_pct' => 99.0,
|
||||
'avg_response_minutes' => 0,
|
||||
'response_rate_pct' => 0.0,
|
||||
'active_queue_count' => 0,
|
||||
'is_active_solving' => true,
|
||||
'sla_score' => 98.0
|
||||
'is_active_solving' => false,
|
||||
'sla_score' => 0.0
|
||||
];
|
||||
}
|
||||
|
||||
@@ -436,7 +445,7 @@ class TeacherRatingService
|
||||
FROM teachers t
|
||||
LEFT JOIN teacher_performance_metrics m ON t.id = m.teacher_id
|
||||
WHERE t.is_marketplace_public = 1
|
||||
ORDER BY " . ($sortBy === 'fastest' ? "COALESCE(m.avg_response_minutes, 10) ASC" : "COALESCE(m.composite_merit_score, 90.00) DESC")
|
||||
ORDER BY " . ($sortBy === 'fastest' ? "CASE WHEN m.avg_response_minutes IS NULL OR m.avg_response_minutes = 0 THEN 1 ELSE 0 END, m.avg_response_minutes ASC" : "COALESCE(m.total_reviews_count, 0) DESC, COALESCE(m.weighted_student_rating, 0) DESC")
|
||||
);
|
||||
|
||||
foreach ($teachers as &$t) {
|
||||
|
||||
@@ -0,0 +1,48 @@
|
||||
<?php
|
||||
declare(strict_types=1);
|
||||
namespace App\Services;
|
||||
use App\Core\Database;
|
||||
|
||||
final class TeacherSubmissionService {
|
||||
public static function preflight(int $teacherId, string $lessonUuid, string $key, bool $replacement, ?string $submissionUuid = null): array {
|
||||
if (!self::uuidValid($lessonUuid) || !preg_match('/^[A-Za-z0-9._:-]{16,128}$/', $key)) return self::result(400, 'error', 'بيانات هوية الدرس أو مفتاح الإعادة غير صالحة.');
|
||||
$operation = $replacement ? 'replacement_preflight' : 'submission_preflight';
|
||||
$hash = hash('sha256', json_encode([$lessonUuid, $replacement, $submissionUuid]));
|
||||
$pdo = Database::getConnection(); $pdo->beginTransaction();
|
||||
try {
|
||||
$previous = Database::selectOne('SELECT request_sha256,response_json,http_status FROM submission_idempotency_keys WHERE teacher_id=? AND operation=? AND idempotency_key=? FOR UPDATE', [$teacherId,$operation,$key]);
|
||||
if ($previous) {
|
||||
if (!hash_equals((string)$previous['request_sha256'], $hash)) { $pdo->rollBack(); return self::result(409,'idempotency_conflict','استُخدم مفتاح الإعادة مع طلب مختلف.'); }
|
||||
$pdo->commit(); return array_merge(json_decode((string)$previous['response_json'], true) ?: [], ['http_status'=>(int)$previous['http_status'],'replayed'=>true]);
|
||||
}
|
||||
$lesson = Database::selectOne("SELECT id,uuid,title FROM curriculum_lessons WHERE uuid=? AND source_status='approved' LIMIT 1 FOR UPDATE", [$lessonUuid]);
|
||||
if (!$lesson) return self::commit($pdo,$teacherId,$operation,$key,$hash,self::result(404,'error','الدرس المنهجي غير معتمد أو غير موجود.'));
|
||||
$submission = Database::selectOne('SELECT * FROM teacher_submissions WHERE teacher_id=? AND curriculum_lesson_id=? FOR UPDATE',[$teacherId,$lesson['id']]);
|
||||
if ($submission && !$replacement) return self::commit($pdo,$teacherId,$operation,$key,$hash,['http_status'=>409,'status'=>'existing_submission','message'=>'لديك حصة مسجلة لهذا الدرس. استخدم الاستبدال لإنشاء نسخة مرشحة.','submission_id'=>$submission['uuid'],'current_published_video_version_id'=>$submission['current_published_video_version_id'] ?: null]);
|
||||
if (!$submission && $replacement) return self::commit($pdo,$teacherId,$operation,$key,$hash,self::result(409,'replacement_target_missing','لا توجد حصة حالية لاستبدالها.'));
|
||||
if ($submissionUuid && (!$submission || !hash_equals((string)$submission['uuid'],$submissionUuid))) return self::commit($pdo,$teacherId,$operation,$key,$hash,self::result(409,'replacement_target_mismatch','هدف الاستبدال لا يطابق حصة المعلم الحالية.'));
|
||||
if (!$submission) { Database::insert("INSERT INTO teacher_submissions (uuid,teacher_id,curriculum_lesson_id,status) VALUES (?,?,?,'draft')",[self::uuid(),$teacherId,$lesson['id']]); $submission=Database::selectOne('SELECT * FROM teacher_submissions WHERE teacher_id=? AND curriculum_lesson_id=? FOR UPDATE',[$teacherId,$lesson['id']]); }
|
||||
$next=(int)(Database::selectOne('SELECT COALESCE(MAX(version_number),0) n FROM video_versions WHERE teacher_submission_id=? FOR UPDATE',[$submission['id']])['n'] ?? 0)+1;
|
||||
Database::insert("INSERT INTO video_versions (uuid,teacher_submission_id,version_number,status,replaces_video_version_id) VALUES (?,?,?,'draft',?)",[self::uuid(),$submission['id'],$next,$submission['current_published_video_version_id'] ?: null]);
|
||||
$version=Database::selectOne('SELECT uuid FROM video_versions WHERE teacher_submission_id=? AND version_number=?',[$submission['id'],$next]);
|
||||
return self::commit($pdo,$teacherId,$operation,$key,$hash,['http_status'=>201,'status'=>'ready_for_upload','submission_id'=>$submission['uuid'],'video_version_id'=>$version['uuid'],'version_number'=>$next,'replacement'=>$replacement,'lesson'=>['id'=>$lesson['uuid'],'title'=>$lesson['title']]]);
|
||||
} catch (\Throwable $e) { if($pdo->inTransaction())$pdo->rollBack(); throw $e; }
|
||||
}
|
||||
public static function attachUploadedLesson(int $teacherId,string $versionUuid,int $lessonId,string $sha): void {
|
||||
if(!self::uuidValid($versionUuid)||!preg_match('/^[0-9a-f]{64}$/i',$sha)) throw new \RuntimeException('هوية النسخة أو بصمة الملف غير صالحة.');
|
||||
$pdo=Database::getConnection();$pdo->beginTransaction();try { $v=Database::selectOne("SELECT vv.id,vv.status,ts.id submission_id FROM video_versions vv JOIN teacher_submissions ts ON ts.id=vv.teacher_submission_id WHERE vv.uuid=? AND ts.teacher_id=? FOR UPDATE",[$versionUuid,$teacherId]); if(!$v||!in_array($v['status'],['draft','uploading'],true)) throw new \RuntimeException('نسخة الفيديو غير متاحة لهذا الرفع.'); Database::query("UPDATE video_versions SET source_lesson_id=?,content_sha256=?,status='review' WHERE id=?",[$lessonId,$sha,$v['id']]);Database::query("UPDATE teacher_submissions SET status='review' WHERE id=?",[$v['submission_id']]);$pdo->commit(); VideoReviewService::queueForVersion((int)$v['id']); } catch(\Throwable $e){if($pdo->inTransaction())$pdo->rollBack();throw $e;}
|
||||
}
|
||||
public static function reserveUpload(int $teacherId, string $versionUuid): bool {
|
||||
if (!self::uuidValid($versionUuid)) return false;
|
||||
return Database::execute(
|
||||
"UPDATE video_versions vv JOIN teacher_submissions ts ON ts.id=vv.teacher_submission_id
|
||||
SET vv.status='uploading', ts.status='uploading'
|
||||
WHERE vv.uuid=? AND ts.teacher_id=? AND vv.status='draft'",
|
||||
[$versionUuid, $teacherId]
|
||||
) === 1;
|
||||
}
|
||||
private static function commit(\PDO $pdo,int $teacher,string $op,string $key,string $hash,array $r):array {Database::insert('INSERT INTO submission_idempotency_keys (teacher_id,operation,idempotency_key,request_sha256,response_json,http_status) VALUES (?,?,?,?,?,?)',[$teacher,$op,$key,$hash,json_encode($r,JSON_UNESCAPED_UNICODE),$r['http_status']]);$pdo->commit();return $r;}
|
||||
private static function result(int $status,string $code,string $message):array{return ['http_status'=>$status,'status'=>$code,'message'=>$message];}
|
||||
private static function uuidValid(string $v):bool{return(bool)preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i',$v);}
|
||||
private static function uuid():string{$b=random_bytes(16);$b[6]=chr((ord($b[6])&15)|64);$b[8]=chr((ord($b[8])&63)|128);return vsprintf('%s%s-%s-%s-%s-%s%s%s',str_split(bin2hex($b),4));}
|
||||
}
|
||||
@@ -0,0 +1,159 @@
|
||||
<?php
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace App\Services;
|
||||
|
||||
use App\Core\Database;
|
||||
|
||||
final class VideoReviewService
|
||||
{
|
||||
public static function recordHumanReview(string $jobUuid, int $reviewerId, string $recommendation, string $decision, array $report): array
|
||||
{
|
||||
if (!in_array($recommendation, ['reject','revise','manual_review','ready_for_human_review'], true) || !in_array($decision, ['approved','rejected'], true)) {
|
||||
return ['http_status'=>400,'status'=>'error','message'=>'قرار المراجعة غير صالح.'];
|
||||
}
|
||||
if (empty($report['bindings']) || empty($report['coverage'])) {
|
||||
return ['http_status'=>422,'status'=>'incomplete_report','message'=>'التقرير لا يحتوي bindings وتغطية الأدلة المطلوبة.'];
|
||||
}
|
||||
$pdo=Database::getConnection(); $pdo->beginTransaction();
|
||||
try {
|
||||
$job=Database::selectOne('SELECT j.id,j.status,e.id AS evidence_id FROM video_review_jobs j LEFT JOIN video_review_evidence e ON e.video_review_job_id=j.id WHERE j.uuid=? FOR UPDATE',[$jobUuid]);
|
||||
if(!$job) return self::finish($pdo,['http_status'=>404,'status'=>'error','message'=>'مهمة الفحص غير موجودة.']);
|
||||
if(($job['status'] ?? '') !== 'ready_for_human_review') return self::finish($pdo,['http_status'=>409,'status'=>'job_not_reviewable','message'=>'حالة المهمة لا تسمح بقرار جديد.']);
|
||||
if (empty($job['evidence_id'])) return self::finish($pdo,['http_status'=>422,'status'=>'missing_evidence','message'=>'لا يمكن اعتماد الفحص من دون أدلة فيديو محفوظة.']);
|
||||
$approved=$decision==='approved' && $recommendation==='ready_for_human_review';
|
||||
Database::query("INSERT INTO video_review_reports (video_review_job_id,recommendation,report_json,reviewer_id,human_decision,reviewed_at) VALUES (?,?,?,?,?,NOW()) ON DUPLICATE KEY UPDATE recommendation=VALUES(recommendation),report_json=VALUES(report_json),reviewer_id=VALUES(reviewer_id),human_decision=VALUES(human_decision),reviewed_at=NOW()",[$job['id'],$recommendation,json_encode($report,JSON_UNESCAPED_UNICODE),$reviewerId,$decision]);
|
||||
Database::query('UPDATE video_review_jobs SET status=?, completed_at=NOW() WHERE id=?',[$approved?'approved':'rejected',$job['id']]);
|
||||
return self::finish($pdo,['http_status'=>200,'status'=>$approved?'approved':'rejected']);
|
||||
} catch(\Throwable $e){if($pdo->inTransaction())$pdo->rollBack();throw $e;}
|
||||
}
|
||||
/** Attach reviewed, version-bound evidence before human review. */
|
||||
public static function submitEvidence(string $jobUuid, int $reviewerId, string $transcriptAssetUuid, string $visualAssetUuid, array $coverage): array
|
||||
{
|
||||
if (!self::isUuid($jobUuid) || !self::isUuid($transcriptAssetUuid) || !self::isUuid($visualAssetUuid)) {
|
||||
return ['http_status'=>400,'status'=>'error','message'=>'هويات أدلة الفحص غير صالحة.'];
|
||||
}
|
||||
if (empty($coverage['segments']) || !is_array($coverage['segments'])) {
|
||||
return ['http_status'=>422,'status'=>'incomplete_evidence','message'=>'يلزم سجل تغطية زمني للفيديو.'];
|
||||
}
|
||||
$pdo=Database::getConnection(); $pdo->beginTransaction();
|
||||
try {
|
||||
$job=Database::selectOne('SELECT id,video_sha256,status FROM video_review_jobs WHERE uuid=? FOR UPDATE',[$jobUuid]);
|
||||
if (!$job) return self::finish($pdo,['http_status'=>404,'status'=>'error','message'=>'مهمة الفحص غير موجودة.']);
|
||||
if (!in_array($job['status'],['queued','collecting_evidence','needs_evidence'],true)) return self::finish($pdo,['http_status'=>409,'status'=>'job_not_collecting','message'=>'لا تقبل المهمة أدلة جديدة في حالتها الحالية.']);
|
||||
$transcript=Database::selectOne("SELECT id,sha256,asset_type,review_status,source_reference FROM content_assets WHERE uuid=? FOR UPDATE",[$transcriptAssetUuid]);
|
||||
$visual=Database::selectOne("SELECT id,sha256,asset_type,review_status,source_reference FROM content_assets WHERE uuid=? FOR UPDATE",[$visualAssetUuid]);
|
||||
if (!$transcript || !$visual || $transcript['asset_type'] !== 'transcript' || $transcript['review_status'] !== 'approved' || $visual['review_status'] !== 'approved') {
|
||||
return self::finish($pdo,['http_status'=>422,'status'=>'untrusted_evidence','message'=>'يلزم تفريغ زمني ودليل بصري معتمدان.']);
|
||||
}
|
||||
$segments=$coverage['segments']; $lastEnd=0;
|
||||
foreach ($segments as $segment) {
|
||||
if (!is_array($segment) || !isset($segment['start_seconds'],$segment['end_seconds'],$segment['transcript_ref'],$segment['visual_ref']) || !is_numeric($segment['start_seconds']) || !is_numeric($segment['end_seconds']) || (float)$segment['start_seconds'] < $lastEnd || (float)$segment['end_seconds'] <= (float)$segment['start_seconds']) {
|
||||
return self::finish($pdo,['http_status'=>422,'status'=>'invalid_coverage','message'=>'تغطية الفيديو يجب أن تكون متصلة ومربوطة بالتفريغ والدليل البصري.']);
|
||||
}
|
||||
$lastEnd=(float)$segment['end_seconds'];
|
||||
}
|
||||
Database::query('INSERT INTO video_review_evidence (video_review_job_id,transcript_asset_id,visual_evidence_asset_id,coverage_json,submitted_by) VALUES (?,?,?,?,?) ON DUPLICATE KEY UPDATE transcript_asset_id=VALUES(transcript_asset_id),visual_evidence_asset_id=VALUES(visual_evidence_asset_id),coverage_json=VALUES(coverage_json),submitted_by=VALUES(submitted_by),created_at=NOW()',[$job['id'],$transcript['id'],$visual['id'],json_encode($coverage,JSON_UNESCAPED_UNICODE),$reviewerId]);
|
||||
Database::query("UPDATE video_review_jobs SET status='ready_for_human_review' WHERE id=?",[$job['id']]);
|
||||
return self::finish($pdo,['http_status'=>200,'status'=>'ready_for_human_review']);
|
||||
} catch(\Throwable $e){if($pdo->inTransaction())$pdo->rollBack();throw $e;}
|
||||
}
|
||||
|
||||
public static function publishApproved(string $jobUuid, ?string $expectedCurrentVersionUuid): array
|
||||
{
|
||||
$pdo = Database::getConnection();
|
||||
$pdo->beginTransaction();
|
||||
try {
|
||||
$job = Database::selectOne(
|
||||
"SELECT j.id, j.status, j.video_version_id, vv.uuid AS version_uuid,
|
||||
vv.source_lesson_id, ts.id AS submission_id,
|
||||
currentv.uuid AS current_version_uuid
|
||||
FROM video_review_jobs j
|
||||
JOIN video_versions vv ON vv.id = j.video_version_id
|
||||
JOIN teacher_submissions ts ON ts.id = vv.teacher_submission_id
|
||||
LEFT JOIN video_versions currentv ON currentv.id = ts.current_published_video_version_id
|
||||
WHERE j.uuid = ? FOR UPDATE",
|
||||
[$jobUuid]
|
||||
);
|
||||
if (!$job) return self::finish($pdo, ['status' => 'error', 'http_status' => 404, 'message' => 'مهمة الفحص غير موجودة.']);
|
||||
$report = Database::selectOne('SELECT human_decision FROM video_review_reports WHERE video_review_job_id = ? FOR UPDATE', [$job['id']]);
|
||||
if (($job['status'] ?? '') !== 'approved' || ($report['human_decision'] ?? '') !== 'approved') {
|
||||
return self::finish($pdo, ['status' => 'review_not_approved', 'http_status' => 409, 'message' => 'لا يمكن النشر قبل تقرير مكتمل وموافقة مراجع بشري.']);
|
||||
}
|
||||
if ($expectedCurrentVersionUuid !== null && !hash_equals($expectedCurrentVersionUuid, (string)($job['current_version_uuid'] ?? ''))) {
|
||||
return self::finish($pdo, ['status' => 'current_version_conflict', 'http_status' => 409, 'message' => 'تغيرت النسخة المنشورة منذ فتح المراجعة.']);
|
||||
}
|
||||
if (empty($job['source_lesson_id'])) return self::finish($pdo, ['status' => 'storage_not_ready', 'http_status' => 409, 'message' => 'الفيديو غير مرتبط بتخزين جاهز.']);
|
||||
Database::query("UPDATE video_versions SET status = 'superseded' WHERE teacher_submission_id = ? AND status = 'published'", [$job['submission_id']]);
|
||||
Database::query("UPDATE video_versions SET status = 'published', published_at = NOW() WHERE id = ?", [$job['video_version_id']]);
|
||||
Database::query("UPDATE teacher_submissions SET status = 'published', current_published_video_version_id = ? WHERE id = ?", [$job['video_version_id'], $job['submission_id']]);
|
||||
$pdo->commit();
|
||||
return ['status' => 'published', 'http_status' => 200, 'video_version_id' => $job['version_uuid']];
|
||||
} catch (\Throwable $e) {
|
||||
if ($pdo->inTransaction()) $pdo->rollBack();
|
||||
throw $e;
|
||||
}
|
||||
}
|
||||
|
||||
public static function queueForVersion(int $versionId): array
|
||||
{
|
||||
$existing = Database::selectOne(
|
||||
"SELECT uuid, status FROM video_review_jobs
|
||||
WHERE video_version_id = ? AND status NOT IN ('failed', 'superseded')
|
||||
ORDER BY id DESC LIMIT 1",
|
||||
[$versionId]
|
||||
);
|
||||
if ($existing) return ['job_id' => $existing['uuid'], 'status' => $existing['status'], 'reused' => true];
|
||||
|
||||
$binding = Database::selectOne(
|
||||
"SELECT vv.content_sha256, ts.curriculum_lesson_id, cl.uuid AS lesson_uuid,
|
||||
cl.curriculum_version, a.uuid AS asset_uuid, a.sha256 AS markdown_sha256
|
||||
FROM video_versions vv
|
||||
JOIN teacher_submissions ts ON ts.id = vv.teacher_submission_id
|
||||
JOIN curriculum_lessons cl ON cl.id = ts.curriculum_lesson_id
|
||||
LEFT JOIN publication_bundles pb ON pb.curriculum_lesson_id = cl.id AND pb.status = 'published'
|
||||
LEFT JOIN publication_bundle_assets pba ON pba.publication_bundle_id = pb.id AND pba.role = 'primary_lesson'
|
||||
LEFT JOIN content_assets a ON a.id = pba.content_asset_id AND a.review_status = 'approved'
|
||||
WHERE vv.id = ? LIMIT 1",
|
||||
[$versionId]
|
||||
);
|
||||
if (!$binding) throw new \RuntimeException('نسخة الفيديو غير مرتبطة بدرس منهجي.');
|
||||
|
||||
$missing = ['timestamped_transcript', 'visual_evidence', 'coverage_manifest'];
|
||||
if (empty($binding['asset_uuid'])) $missing[] = 'approved_markdown_asset';
|
||||
$jobUuid = self::uuid();
|
||||
$manifest = [
|
||||
'curriculum_lesson_id' => $binding['lesson_uuid'],
|
||||
'curriculum_version' => $binding['curriculum_version'],
|
||||
'markdown_asset_id' => $binding['asset_uuid'] ?: null,
|
||||
'missing_inputs' => $missing,
|
||||
];
|
||||
Database::insert(
|
||||
"INSERT INTO video_review_jobs
|
||||
(uuid, video_version_id, curriculum_lesson_id, prompt_version, schema_version, video_sha256, markdown_sha256, status, input_manifest_json)
|
||||
VALUES (?, ?, ?, 'video-review-v1', 'video-review-schema-v1', ?, ?, 'needs_evidence', ?)",
|
||||
[$jobUuid, $versionId, $binding['curriculum_lesson_id'], $binding['content_sha256'] ?: str_repeat('0', 64), $binding['markdown_sha256'] ?: str_repeat('0', 64), json_encode($manifest, JSON_UNESCAPED_UNICODE)]
|
||||
);
|
||||
return ['job_id' => $jobUuid, 'status' => 'needs_evidence', 'missing_inputs' => $missing];
|
||||
}
|
||||
|
||||
private static function isUuid(string $value): bool
|
||||
{
|
||||
return (bool)preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i', $value);
|
||||
}
|
||||
|
||||
private static function uuid(): string
|
||||
{
|
||||
$bytes = random_bytes(16);
|
||||
$bytes[6] = chr((ord($bytes[6]) & 0x0f) | 0x40);
|
||||
$bytes[8] = chr((ord($bytes[8]) & 0x3f) | 0x80);
|
||||
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($bytes), 4));
|
||||
}
|
||||
|
||||
private static function finish(\PDO $pdo, array $result): array
|
||||
{
|
||||
$pdo->commit();
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
@@ -21,10 +21,13 @@ class VideoService
|
||||
*/
|
||||
public static function ensureSchema(): void
|
||||
{
|
||||
// Schema is installed by backend/scripts/run_migrations.php.
|
||||
// Legacy request-time DDL remains below only as historical reference.
|
||||
return;
|
||||
/*
|
||||
if (self::$schemaChecked) {
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
// Check if storage_type column exists
|
||||
$cols = Database::select("SHOW COLUMNS FROM lessons LIKE 'storage_type'");
|
||||
@@ -91,6 +94,7 @@ class VideoService
|
||||
} catch (\Throwable $e) {
|
||||
error_log("VideoService schema ensure note: " . $e->getMessage());
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
@@ -0,0 +1,58 @@
|
||||
<?php
|
||||
declare(strict_types=1);
|
||||
namespace App\Services;
|
||||
use App\Core\Database;
|
||||
|
||||
/** Server-owned watch evidence. Client positions are hints, never a balance. */
|
||||
final class WatchSessionService {
|
||||
public static function start(int $studentId, string $versionUuid, ?string $nationalId): array {
|
||||
$row=self::authorisedVersion($studentId,$versionUuid,$nationalId);
|
||||
if (!$row['allowed']) return $row;
|
||||
$pdo=Database::getConnection(); $pdo->beginTransaction();
|
||||
try {
|
||||
$active=Database::selectOne("SELECT uuid FROM watch_sessions WHERE student_id=? AND video_version_id=? AND status='active' FOR UPDATE",[$studentId,$row['version_id']]);
|
||||
if ($active) { $pdo->commit(); return ['http_status'=>200,'status'=>'active','watch_session_id'=>$active['uuid'],'reused'=>true]; }
|
||||
$uuid=self::uuid();
|
||||
Database::insert("INSERT INTO watch_sessions (uuid,student_id,video_version_id,funding_source,status) VALUES (?,?,?,?, 'active')",[$uuid,$studentId,$row['version_id'],$row['funding_source']]);
|
||||
$id=(int)(Database::selectOne('SELECT id FROM watch_sessions WHERE uuid=?',[$uuid])['id'] ?? 0);
|
||||
Database::insert("INSERT INTO watch_events (watch_session_id,sequence_no,event_type,client_position_ms,payload_json) VALUES (?,1,'start',0,?)",[$id,json_encode(['server_contract'=>'watch-v1'])]);
|
||||
$pdo->commit(); return ['http_status'=>201,'status'=>'started','watch_session_id'=>$uuid];
|
||||
} catch(\Throwable $e){if($pdo->inTransaction())$pdo->rollBack();throw $e;}
|
||||
}
|
||||
public static function event(int $studentId,string $sessionUuid,int $sequence,string $type,int $positionMs,array $payload=[]):array {
|
||||
if(!self::isUuid($sessionUuid)||$sequence<2||!in_array($type,['heartbeat','pause','seek','resume','end','buffer'],true)||$positionMs<0) return ['http_status'=>400,'status'=>'error','message'=>'حدث المشاهدة غير صالح.'];
|
||||
$pdo=Database::getConnection();$pdo->beginTransaction();try {
|
||||
$session=Database::selectOne("SELECT ws.id,ws.status,ws.video_version_id,ws.funding_source FROM watch_sessions ws WHERE ws.uuid=? AND ws.student_id=? FOR UPDATE",[$sessionUuid,$studentId]);
|
||||
if(!$session)return self::finish($pdo,['http_status'=>404,'status'=>'error','message'=>'جلسة المشاهدة غير موجودة.']);
|
||||
if($session['status']!=='active')return self::finish($pdo,['http_status'=>409,'status'=>'ended','message'=>'انتهت جلسة المشاهدة.']);
|
||||
$last=Database::selectOne('SELECT sequence_no,event_type,client_position_ms,server_received_at FROM watch_events WHERE watch_session_id=? ORDER BY sequence_no DESC LIMIT 1 FOR UPDATE',[$session['id']]);
|
||||
if((int)$last['sequence_no'] >= $sequence) return self::finish($pdo,['http_status'=>200,'status'=>'replayed']);
|
||||
if((int)$last['sequence_no']+1 !== $sequence) return self::finish($pdo,['http_status'=>409,'status'=>'sequence_gap','message'=>'تسلسل أحداث المشاهدة غير متصل.']);
|
||||
Database::insert('INSERT INTO watch_events (watch_session_id,sequence_no,event_type,client_position_ms,payload_json) VALUES (?,?,?,?,?)',[$session['id'],$sequence,$type,$positionMs,json_encode($payload,JSON_UNESCAPED_UNICODE)]);
|
||||
$eligible=0;
|
||||
if($type==='heartbeat' && in_array($last['event_type'],['start','heartbeat','resume'],true)) {
|
||||
$clientDelta=$positionMs-(int)$last['client_position_ms'];
|
||||
$serverDelta=(int)(Database::selectOne('SELECT TIMESTAMPDIFF(SECOND, ?, NOW()) AS s',[$last['server_received_at']])['s'] ?? 0);
|
||||
// A contiguous interval is bounded by elapsed server time and 60s;
|
||||
// seeks, background bursts, and client-only minutes earn nothing.
|
||||
if($clientDelta>=1000 && $clientDelta<=90000 && $serverDelta>=1 && $serverDelta<=90) {
|
||||
$eligible=min((int)floor($clientDelta/1000),(int)$serverDelta,60);
|
||||
if($eligible>0) Database::insert("INSERT INTO eligible_watch_intervals (watch_session_id,start_ms,end_ms,eligible_seconds,reason_code,policy_version,status) VALUES (?,?,?,?,?,'watch-v1','measured')",[$session['id'],(int)$last['client_position_ms'],$positionMs,$eligible,'contiguous_heartbeat']);
|
||||
}
|
||||
}
|
||||
if($type==='end'){Database::query("UPDATE watch_sessions SET status='ended',server_ended_at=NOW() WHERE id=?",[$session['id']]);}
|
||||
return self::finish($pdo,['http_status'=>200,'status'=>$type==='end'?'ended':'recorded','eligible_seconds_added'=>$eligible]);
|
||||
}catch(\Throwable $e){if($pdo->inTransaction())$pdo->rollBack();throw $e;}
|
||||
}
|
||||
private static function authorisedVersion(int $studentId,string $uuid,?string $national):array {
|
||||
if(!self::isUuid($uuid))return ['http_status'=>400,'status'=>'error','message'=>'هوية نسخة الفيديو غير صالحة.'];
|
||||
$row=Database::selectOne("SELECT vv.id,l.id lesson_id,l.course_id,c.grade_level FROM video_versions vv JOIN teacher_submissions ts ON ts.id=vv.teacher_submission_id AND ts.current_published_video_version_id=vv.id AND ts.status='published' JOIN lessons l ON l.id=vv.source_lesson_id AND l.encoding_status='ready' JOIN courses c ON c.id=l.course_id WHERE vv.uuid=? AND vv.status='published' LIMIT 1",[$uuid]);
|
||||
if(!$row)return ['http_status'=>404,'status'=>'error','message'=>'نسخة الفيديو غير منشورة.'];
|
||||
$access=StudentAccessControlService::validateLessonAccess($studentId,$national,StudentAccessControlService::normalizeGrade($row['grade_level']??'grade_10'),(int)$row['course_id'],(int)$row['lesson_id'],false);
|
||||
if(empty($access['allowed']))return ['http_status'=>403,'status'=>'forbidden','message'=>$access['message']??'غير مصرح بالمشاهدة.'];
|
||||
return ['allowed'=>true,'version_id'=>(int)$row['id'],'funding_source'=>!empty($access['is_sponsored'])?'school':(($access['reason']??'')==='paid_pass_active'?'marketplace':'none')];
|
||||
}
|
||||
private static function isUuid(string $v):bool{return(bool)preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i',$v);}
|
||||
private static function uuid():string{$b=random_bytes(16);$b[6]=chr((ord($b[6])&15)|64);$b[8]=chr((ord($b[8])&63)|128);return vsprintf('%s%s-%s-%s-%s-%s%s%s',str_split(bin2hex($b),4));}
|
||||
private static function finish(\PDO $pdo,array $r):array{$pdo->commit();return $r;}
|
||||
}
|
||||
Reference in New Issue
Block a user