91 lines
No EOL
3.2 KiB
TypeScript
91 lines
No EOL
3.2 KiB
TypeScript
import { prisma } from '../config/database';
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import { Prisma } from '@prisma/client';
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import { config } from '../config';
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import { logger } from '../config/logger';
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import { listCourseResponse, getCourseResponse } from '../types/courses.types';
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import { UnauthorizedError, ValidationError, ForbiddenError } from '../middleware/errorHandler';
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import { getPresignedUrl } from '../config/minio';
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export class CoursesService {
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async ListCourses(category_id?: number): Promise<listCourseResponse> {
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try {
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const where: Prisma.CourseWhereInput = {
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status: 'APPROVED',
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};
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if (category_id) {
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where.category_id = category_id;
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}
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const courses = await prisma.course.findMany({ where });
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// Generate presigned URLs for thumbnails
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const coursesWithUrls = await Promise.all(
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courses.map(async (course) => {
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let thumbnail_presigned_url: string | null = null;
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if (course.thumbnail_url) {
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try {
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thumbnail_presigned_url = await getPresignedUrl(course.thumbnail_url, 3600);
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} catch (err) {
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logger.warn(`Failed to generate presigned URL for thumbnail: ${err}`);
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}
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}
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return {
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...course,
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thumbnail_url: thumbnail_presigned_url,
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};
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})
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);
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return {
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code: 200,
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message: 'Courses fetched successfully',
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total: coursesWithUrls.length,
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data: coursesWithUrls,
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};
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} catch (error) {
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logger.error('Failed to fetch courses', { error });
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throw error;
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}
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}
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async GetCourseById(id: number): Promise<getCourseResponse> {
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try {
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const course = await prisma.course.findFirst({
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where: {
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id,
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status: 'APPROVED' // Only show approved courses to students
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}
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});
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if (!course) {
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return {
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code: 200,
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message: 'no Course fetched successfully',
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data: null,
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};
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}
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// Generate presigned URL for thumbnail
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let thumbnail_presigned_url: string | null = null;
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if (course.thumbnail_url) {
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try {
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thumbnail_presigned_url = await getPresignedUrl(course.thumbnail_url, 3600);
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} catch (err) {
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logger.warn(`Failed to generate presigned URL for thumbnail: ${err}`);
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}
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}
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return {
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code: 200,
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message: 'Course fetched successfully',
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data: {
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...course,
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thumbnail_url: thumbnail_presigned_url,
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},
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};
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} catch (error) {
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logger.error('Failed to fetch course', { error });
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throw error;
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}
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}
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} |