feat: Implement lesson access control logic including enrollment, prerequisite, and quiz completion checks.
This commit is contained in:
JakkrapartXD
parent
6d59ec06bf
commit
0308995d8e
4 changed files with 760 additions and 1 deletions
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@ -19,6 +19,8 @@ import {
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SaveVideoProgressResponse,
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GetVideoProgressInput,
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GetVideoProgressResponse,
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CompleteLessonInput,
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CompleteLessonResponse,
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} from "../types/CoursesStudent.types";
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export class CoursesStudentService {
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@ -363,4 +365,537 @@ export class CoursesStudentService {
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throw error;
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}
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}
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async checkAccessLesson(input: CheckLessonAccessInput): Promise<CheckLessonAccessResponse> {
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try {
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const { token, course_id, lesson_id } = input;
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const decoded = jwt.verify(token, config.jwt.secret) as { id: number; type: string };
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// Check enrollment
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const enrollment = await prisma.enrollment.findUnique({
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where: {
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unique_enrollment: {
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user_id: decoded.id,
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course_id,
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},
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},
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});
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if (!enrollment) {
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return {
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code: 200,
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message: 'Not enrolled in this course',
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data: {
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is_accessible: false,
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is_enrolled: false,
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is_locked: true,
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lock_reason: 'You are not enrolled in this course',
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},
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};
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}
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// Get lesson with prerequisite info
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const lesson = await prisma.lesson.findUnique({
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where: { id: lesson_id },
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select: {
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id: true,
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title: true,
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is_sequential: true,
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prerequisite_lesson_ids: true,
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require_pass_quiz: true,
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chapter: {
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select: {
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course_id: true,
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},
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},
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},
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});
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if (!lesson) {
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throw new NotFoundError('Lesson not found');
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}
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// Verify lesson belongs to the course
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if (lesson.chapter.course_id !== course_id) {
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throw new ForbiddenError('Lesson does not belong to this course');
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}
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// If not sequential, allow access
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if (!lesson.is_sequential) {
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return {
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code: 200,
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message: 'Lesson is accessible',
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data: {
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is_accessible: true,
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is_enrolled: true,
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is_locked: false,
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},
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};
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}
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const prerequisiteIds = lesson.prerequisite_lesson_ids as number[] | null;
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// If no prerequisites, allow access
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if (!prerequisiteIds || prerequisiteIds.length === 0) {
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return {
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code: 200,
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message: 'Lesson is accessible',
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data: {
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is_accessible: true,
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is_enrolled: true,
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is_locked: false,
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},
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};
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}
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// Get prerequisite lessons info
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const prerequisiteLessons = await prisma.lesson.findMany({
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where: {
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id: { in: prerequisiteIds },
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},
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select: {
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id: true,
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title: true,
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require_pass_quiz: true,
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quiz: {
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select: {
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id: true,
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title: true,
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},
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},
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},
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});
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// Get user's progress for prerequisite lessons
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const prerequisiteProgress = await prisma.lessonProgress.findMany({
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where: {
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user_id: decoded.id,
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lesson_id: { in: prerequisiteIds },
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},
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});
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const progressMap = new Map(prerequisiteProgress.map(p => [p.lesson_id, p]));
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// Check if all prerequisites are completed
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const requiredLessons: { id: number; title: { th: string; en: string }; is_completed: boolean }[] = [];
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let allCompleted = true;
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for (const prereqLesson of prerequisiteLessons) {
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const progress = progressMap.get(prereqLesson.id);
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const isCompleted = progress?.is_completed ?? false;
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if (!isCompleted) {
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allCompleted = false;
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}
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requiredLessons.push({
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id: prereqLesson.id,
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title: prereqLesson.title as { th: string; en: string },
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is_completed: isCompleted,
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});
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}
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// Check if any prerequisite requires passing quiz
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let requiredQuizPass: { lesson_id: number; quiz_id: number; title: { th: string; en: string }; is_passed: boolean } | undefined;
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for (const prereqLesson of prerequisiteLessons) {
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if (prereqLesson.require_pass_quiz && prereqLesson.quiz) {
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// Check if user passed the quiz
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const quizAttempt = await prisma.quizAttempt.findFirst({
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where: {
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user_id: decoded.id,
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quiz_id: prereqLesson.quiz.id,
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is_passed: true,
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},
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});
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if (!quizAttempt) {
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allCompleted = false;
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requiredQuizPass = {
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lesson_id: prereqLesson.id,
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quiz_id: prereqLesson.quiz.id,
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title: prereqLesson.quiz.title as { th: string; en: string },
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is_passed: false,
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};
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break;
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}
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}
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}
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if (allCompleted) {
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return {
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code: 200,
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message: 'Lesson is accessible',
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data: {
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is_accessible: true,
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is_enrolled: true,
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is_locked: false,
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},
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};
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}
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// Not all prerequisites completed
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return {
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code: 200,
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message: 'Lesson is locked',
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data: {
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is_accessible: false,
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is_enrolled: true,
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is_locked: true,
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lock_reason: 'กรุณาเรียนบทเรียนก่อนหน้าให้ครบก่อน',
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required_lessons: requiredLessons,
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required_quiz_pass: requiredQuizPass,
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},
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};
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} catch (error) {
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logger.error(error);
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throw error;
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}
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}
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async getVideoProgress(input: GetVideoProgressInput): Promise<GetVideoProgressResponse> {
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try {
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const { token, lesson_id } = input;
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const decoded = jwt.verify(token, config.jwt.secret) as { id: number; type: string };
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// Get lesson to find course_id
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const lesson = await prisma.lesson.findUnique({
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where: { id: lesson_id },
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select: {
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id: true,
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chapter: {
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select: { course_id: true },
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},
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},
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});
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if (!lesson) {
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throw new NotFoundError('Lesson not found');
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}
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const course_id = lesson.chapter.course_id;
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// Check enrollment
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const enrollment = await prisma.enrollment.findUnique({
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where: {
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unique_enrollment: {
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user_id: decoded.id,
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course_id,
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},
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},
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});
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if (!enrollment) {
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throw new ForbiddenError('You are not enrolled in this course');
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}
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// Get progress
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const progress = await prisma.lessonProgress.findUnique({
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where: {
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user_id_lesson_id: {
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user_id: decoded.id,
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lesson_id,
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},
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},
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});
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// Return null if no progress found
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if (!progress) {
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return {
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code: 200,
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message: 'No video progress found',
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data: null,
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};
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}
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return {
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code: 200,
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message: 'Video progress retrieved successfully',
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data: {
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lesson_id: progress.lesson_id,
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video_progress_seconds: progress.video_progress_seconds,
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video_duration_seconds: progress.video_duration_seconds,
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video_progress_percentage: progress.video_progress_percentage ? Number(progress.video_progress_percentage) : null,
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is_completed: progress.is_completed,
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completed_at: progress.completed_at,
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last_watched_at: progress.last_watched_at,
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},
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};
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} catch (error) {
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logger.error(error);
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throw error;
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}
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}
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async saveVideoProgress(input: SaveVideoProgressInput): Promise<SaveVideoProgressResponse> {
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try {
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const { token, lesson_id, video_progress_seconds, video_duration_seconds } = input;
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const decoded = jwt.verify(token, config.jwt.secret) as { id: number; type: string };
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// Get lesson to find course_id
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const lesson = await prisma.lesson.findUnique({
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where: { id: lesson_id },
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select: {
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id: true,
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chapter: {
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select: { course_id: true },
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},
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},
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});
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if (!lesson) {
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throw new NotFoundError('Lesson not found');
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}
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const course_id = lesson.chapter.course_id;
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// Check enrollment
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const enrollment = await prisma.enrollment.findUnique({
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where: {
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unique_enrollment: {
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user_id: decoded.id,
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course_id,
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},
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},
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});
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if (!enrollment) {
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throw new ForbiddenError('You are not enrolled in this course');
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}
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// Calculate progress percentage (avoid division by zero)
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const progressPercentage = video_duration_seconds && video_duration_seconds > 0
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? (video_progress_seconds / video_duration_seconds) * 100
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: null;
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// Auto-complete at >= 90%
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const isCompleted = progressPercentage !== null && progressPercentage >= 90;
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// Save progress
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const progress = await prisma.lessonProgress.upsert({
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where: {
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user_id_lesson_id: {
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user_id: decoded.id,
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lesson_id,
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},
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},
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create: {
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user_id: decoded.id,
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lesson_id,
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video_progress_seconds,
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video_duration_seconds: video_duration_seconds ?? null,
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video_progress_percentage: progressPercentage,
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is_completed: isCompleted,
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completed_at: isCompleted ? new Date() : null,
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last_watched_at: new Date(),
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},
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update: {
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video_progress_seconds,
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video_duration_seconds: video_duration_seconds ?? null,
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video_progress_percentage: progressPercentage,
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// Only set completed if not already completed
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is_completed: isCompleted ? true : undefined,
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completed_at: isCompleted ? new Date() : undefined,
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last_watched_at: new Date(),
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},
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});
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return {
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code: 200,
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message: 'Video progress saved successfully',
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data: {
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lesson_id: progress.lesson_id,
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video_progress_seconds: progress.video_progress_seconds,
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video_duration_seconds: progress.video_duration_seconds,
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video_progress_percentage: progress.video_progress_percentage ? Number(progress.video_progress_percentage) : null,
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is_completed: progress.is_completed,
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last_watched_at: progress.last_watched_at!,
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},
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};
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} catch (error) {
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logger.error(error);
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throw error;
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}
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}
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async completeLesson(input: CompleteLessonInput): Promise<CompleteLessonResponse> {
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try {
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const { token, lesson_id } = input;
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const decoded = jwt.verify(token, config.jwt.secret) as { id: number; type: string };
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// Get lesson with chapter and course info
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const lesson = await prisma.lesson.findUnique({
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where: { id: lesson_id },
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select: {
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id: true,
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sort_order: true,
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chapter: {
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select: {
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id: true,
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course_id: true,
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sort_order: true,
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lessons: {
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where: { is_published: true },
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orderBy: { sort_order: 'asc' },
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select: { id: true, sort_order: true },
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},
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course: {
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select: {
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have_certificate: true,
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chapters: {
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where: { is_published: true },
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orderBy: { sort_order: 'asc' },
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include: {
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lessons: {
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where: { is_published: true },
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orderBy: { sort_order: 'asc' },
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select: { id: true },
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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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},
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},
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});
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if (!lesson) {
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throw new NotFoundError('Lesson not found');
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}
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const course_id = lesson.chapter.course_id;
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// Check enrollment
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const enrollment = await prisma.enrollment.findUnique({
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where: {
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unique_enrollment: {
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user_id: decoded.id,
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course_id,
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},
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},
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});
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if (!enrollment) {
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throw new ForbiddenError('You are not enrolled in this course');
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}
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// Complete lesson
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const progress = await prisma.lessonProgress.upsert({
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where: {
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user_id_lesson_id: {
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user_id: decoded.id,
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lesson_id,
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},
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},
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create: {
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user_id: decoded.id,
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lesson_id,
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is_completed: true,
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completed_at: new Date(),
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},
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update: {
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is_completed: true,
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completed_at: new Date(),
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},
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});
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// Get all lesson IDs in the course
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const allLessons = lesson.chapter.course.chapters.flatMap(ch => ch.lessons.map(l => l.id));
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const totalLessons = allLessons.length;
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// Get completed lessons count
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const completedLessons = await prisma.lessonProgress.count({
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where: {
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user_id: decoded.id,
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lesson_id: { in: allLessons },
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is_completed: true,
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},
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});
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// Calculate course progress percentage
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const course_progress_percentage = totalLessons > 0
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? Math.round((completedLessons / totalLessons) * 100)
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: 0;
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// Check if course is completed
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const is_course_completed = completedLessons >= totalLessons;
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// Find next lesson
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const currentChapterLessons = lesson.chapter.lessons;
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const currentLessonIndex = currentChapterLessons.findIndex(l => l.id === lesson_id);
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let next_lesson_id: number | null = null;
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if (currentLessonIndex < currentChapterLessons.length - 1) {
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// Next lesson in current chapter
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next_lesson_id = currentChapterLessons[currentLessonIndex + 1].id;
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} else {
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// Find next chapter's first lesson
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const allChapters = lesson.chapter.course.chapters;
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const currentChapterIndex = allChapters.findIndex(ch => ch.id === lesson.chapter.id);
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if (currentChapterIndex < allChapters.length - 1) {
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const nextChapter = allChapters[currentChapterIndex + 1];
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if (nextChapter.lessons.length > 0) {
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next_lesson_id = nextChapter.lessons[0].id;
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}
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}
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}
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// Update enrollment progress
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await prisma.enrollment.update({
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where: { id: enrollment.id },
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data: {
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progress_percentage: course_progress_percentage,
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...(is_course_completed ? {
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status: 'COMPLETED',
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completed_at: new Date(),
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} : {}),
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},
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});
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// Issue certificate if course completed and has certificate
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let certificate_issued: boolean | undefined;
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if (is_course_completed && lesson.chapter.course.have_certificate) {
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// Check if certificate already exists
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const existingCertificate = await prisma.certificate.findFirst({
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where: {
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user_id: decoded.id,
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course_id,
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},
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});
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if (!existingCertificate) {
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await prisma.certificate.create({
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data: {
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user_id: decoded.id,
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course_id,
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enrollment_id: enrollment.id,
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file_path: `certificates/${course_id}/${decoded.id}/${Date.now()}.pdf`,
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issued_at: new Date(),
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},
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});
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certificate_issued = true;
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} else {
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certificate_issued = false;
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}
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}
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return {
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code: 200,
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message: 'Lesson completed successfully',
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data: {
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lesson_id: progress.lesson_id,
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is_completed: progress.is_completed,
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completed_at: progress.completed_at!,
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course_progress_percentage,
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is_course_completed,
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next_lesson_id,
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certificate_issued,
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},
|
||||
};
|
||||
} catch (error) {
|
||||
logger.error(error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue