feat: add classroomio's server to the monorepo (#168)
* add classroomio server to apps * ReadME upadte * Update README.md * rename project to backend * fix lock file --------- Co-authored-by: Rotimi Best <best@classroomio.com>
This commit is contained in:
Adeyemi Adetunji
co-authored by
Rotimi Best
Rotimi Best
parent
d040f9f12e
commit
3a22a73380
@@ -0,0 +1,35 @@
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const express = require('express');
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const zod = require('zod');
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const { generateCertificate } = require('../utils/certificate');
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const router = express.Router();
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router.post('/', async (req, res) => {
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try {
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// Validate
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const mySchema = zod.object({
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theme: zod.string(),
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studentName: zod.string(),
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courseName: zod.string(),
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courseDescription: zod.string(),
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orgLogoUrl: zod.string(),
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orgName: zod.string(),
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});
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console.log('req.body', req.body);
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mySchema.parse(req.body);
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const pdfBuffer = await generateCertificate(req.body);
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res.contentType('application/pdf');
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res.send(pdfBuffer);
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} catch (error) {
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console.error('Error', error);
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res.json({
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success: false,
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error,
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});
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}
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});
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module.exports = router;
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@@ -0,0 +1,42 @@
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const express = require('express');
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const zod = require('zod');
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const { generateCoursePdf } = require('../utils/course.js');
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const router = express.Router();
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// localhost:3002/downloadCourse
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router.post('/', async (req, res) => {
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try {
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// Validate
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const mySchema = zod.object({
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courseTitle: zod.string(),
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orgName: zod.string(),
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orgTheme: zod.string(),
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lessons: zod.array(
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zod.object({
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lessonTitle: zod.string(),
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lessonNumber: zod.string(),
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lessonNote: zod.string(),
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slideUrl: zod.string().optional(),
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video: zod.string().array().optional(),
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})
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),
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});
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console.log('req.body', req.body);
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mySchema.parse(req.body);
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const pdfBuffer = await generateCoursePdf(req.body);
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res.contentType('application/pdf');
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res.send(pdfBuffer);
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} catch (error) {
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console.error('Error', error);
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res.status(400).json({
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success: false,
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error,
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});
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}
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});
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module.exports = router;
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@@ -0,0 +1,47 @@
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const express = require('express');
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const zod = require('zod');
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const { generateLessonPdf } = require('../utils/lesson');
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const router = express.Router();
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const lesson = {
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title: '',
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number: '01',
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orgName: '',
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note: '',
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slideUrl: '',
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video: [],
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courseTitle: '',
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};
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// localhost:3002/downloadLesson
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router.post('/', async (req, res) => {
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try {
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// Validate
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const mySchema = zod.object({
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title: zod.string(),
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number: zod.string(),
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orgName: zod.string(),
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note: zod.string(),
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slideUrl: zod.string().optional(),
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video: zod.string().array().optional(),
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courseTitle: zod.string(),
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});
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console.log('req.body', req.body);
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mySchema.parse(req.body);
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const pdfBuffer = await generateLessonPdf(req.body);
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res.contentType('application/pdf');
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res.send(pdfBuffer);
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} catch (error) {
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console.error('Error', error);
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res.status(400).json({
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success: false,
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error,
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});
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}
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});
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module.exports = router;
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@@ -0,0 +1,251 @@
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const express = require('express');
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const FormData = require('form-data');
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const axios = require('axios');
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// const Queue = require('bull');
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const { promisify } = require('util');
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const fs = require('fs');
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const unlinkAsync = promisify(fs.unlink);
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const {
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S3Client,
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PutObjectCommand,
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// GetObjectCommand,
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} = require('@aws-sdk/client-s3');
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// const { getSupabase } = require('../utils/supabase');
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const genUniqueId = require('../utils/genUniqueId');
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const upload = require('../utils/upload');
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const {
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CLOUDFLARE_ACCESS_KEY,
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CLOUDFLARE_SECRET_ACCESS_KEY,
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CLOUDFLARE_ACCOUNT_ID,
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CLOUDFLARE_PUBLIC_ACCOUNT_ID,
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MUSE_API_KEY,
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} = process.env;
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const router = express.Router();
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const S3 = new S3Client({
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region: 'auto',
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endpoint: `https://${CLOUDFLARE_ACCOUNT_ID}.r2.cloudflarestorage.com`,
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credentials: {
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accessKeyId: CLOUDFLARE_ACCESS_KEY,
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secretAccessKey: CLOUDFLARE_SECRET_ACCESS_KEY,
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},
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});
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// const supabase = getSupabase();
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// const museUploadQueue = new Queue('video', process.env.REDIS_API_KEY, {
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// redis: { tls: { rejectUnauthorized: false } },
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// });
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router.post('/', upload.single('videoFile'), async (req, res) => {
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const {
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file,
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query: { lessonId },
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} = req;
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console.log('lessonId', lessonId);
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console.log('file', file);
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if (!file?.fieldname || !file?.fieldname) {
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return res.status(400).json({
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success: false,
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message: 'You must provide a file to upload',
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});
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}
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if (file?.size > 30 * 1024 * 1024) {
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return res.status(400).json({
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success: false,
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type: 'FILE_TOO_LARGE',
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message: 'File is too large',
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});
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}
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const fileData = fs.readFileSync(file.path);
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const fileName = `${genUniqueId()}-${file.originalname}`;
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const params = {
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Bucket: 'videos',
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Key: fileName,
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Body: fileData,
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};
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const fileUrl = `https://pub-${CLOUDFLARE_PUBLIC_ACCOUNT_ID}.r2.dev/${fileName}`;
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let metadata = {};
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try {
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const s3Upload = S3.send(new PutObjectCommand(params));
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const museUpload = uploadToMuseNow(fileData, file.originalname);
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Promise.all([s3Upload, museUpload]).then((values) => {
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const [s3UploadRes, museUploadRes] = values;
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// Delete file saved by mutler in file
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unlinkAsync(file.path);
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console.log('s3UploadRes', s3UploadRes);
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console.log('museUploadRes', museUploadRes);
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if (museUploadRes.metadata) {
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metadata = museUploadRes.metadata;
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}
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res.json({
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success: true,
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url: fileUrl,
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metadata,
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message: 'Uploaded successfully',
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});
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});
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} catch (error) {
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// error handling.
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const { requestId, cfId, extendedRequestId } = error.$$metadata || {};
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console.error('Error uploading file', error);
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console.log({ requestId, cfId, extendedRequestId });
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res.json({
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success: false,
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message: 'Uploaded failed: ' + error,
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});
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} finally {
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// finally.
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console.log('File upload complete');
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// console.log('Add muse queue');
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// museUploadQueue.add({
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// fileName,
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// originalFileName: file.originalname,
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// lessonId,
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// fileUrl,
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// unlinkPath: file.path,
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// });
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}
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});
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router.get('/', (req, res) => {
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res.send('Get upload video');
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});
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async function uploadToMuseNow(fileData, fileName) {
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try {
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// Add file data to form
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const form = new FormData();
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form.append('file', fileData, fileName);
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// Send to muse through axios - fetch is a pain in the ass
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const response = await axios({
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method: 'POST',
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url: 'https://api.muse.ai/api/files/upload',
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data: form,
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maxContentLength: Infinity,
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maxBodyLength: Infinity,
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headers: {
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Key: MUSE_API_KEY,
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},
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});
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return {
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metadata: response.data,
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};
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} catch (error) {
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console.log('Upload to Muse failed', error?.response?.data);
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return {};
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}
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}
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// /**
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// * Uploads video to muse.ai and store response in DB
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// *
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// * @param {Blod} s3Data AWS s3 data
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// * @param {string} fileName Name of the file
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// * @param {string} lessonId Associated lesson this video was uploaded to
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// * @param {string} fileUrl URL to the video in s3
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// * @param {string} unlinkPath Path to mutler file to delete
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// */
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// async function uploadToMuse(s3Key, fileName, lessonId, fileUrl, unlinkPath) {
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// try {
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// await unlinkAsync(unlinkPath);
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// const s3Data = await S3.send(
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// new GetObjectCommand({
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// Bucket: 'videos',
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// Key: s3Key,
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// })
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// );
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// // Add file data to form
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// const form = new FormData();
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// form.append('file', s3Data.Body, fileName);
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// // Send to muse through axios - fetch is a pain in the ass
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// const response = await axios({
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// method: 'POST',
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// url: 'https://api.muse.ai/api/files/upload',
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// data: form,
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// maxContentLength: Infinity,
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// maxBodyLength: Infinity,
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// headers: {
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// Key: MUSE_API_KEY,
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// },
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// });
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// console.log('Upload to muse complete', response.data);
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// const { data: lesson } = await supabase
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// .from('lesson')
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// .select(`*`)
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// .eq('id', lessonId)
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// .single();
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// if (lesson) {
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// console.log('Found lesson');
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// // Add Muse response to metadata
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// const videos = lesson.videos.map((v) => {
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// if (v.link === fileUrl) {
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// console.log('matches');
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// v.metadata = JSON.parse(JSON.stringify(response.data));
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// }
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// return v;
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// });
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// // Save uploaded data to DB
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// const { error } = await supabase
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// .from('lesson')
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// .update({ videos })
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// .eq('id', lessonId)
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// .select();
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// if (error) {
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// console.log('Error updating lesson', error);
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// } else {
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// console.log('Update DB complete');
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// }
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// }
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// } catch (error) {
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// console.log('Upload to Muse failed', error?.response?.data);
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// }
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// }
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// // Queue to Upload to muse.ai
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// museUploadQueue.process(async function (job, done) {
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// console.log('Initilizing Muse Request\n\n', job.data);
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// const { fileName, originalFileName, lessonId, fileUrl, unlinkPath } =
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// job.data;
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// await uploadToMuse(fileName, originalFileName, lessonId, fileUrl, unlinkPath);
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// done();
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// });
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// museUploadQueue.on('completed', function (job) {
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// // Job completed with output result!
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// console.log('Completed all jobs in uploading to muse', job.data);
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// });
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// museUploadQueue.on('error', function (error) {
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// // Job completed with output result!
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// console.log('error on queue', error);
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// });
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module.exports = router;
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@@ -0,0 +1,148 @@
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const { getPdfBuffer } = require('./puppeteer');
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function getHtmlTemplate(body) {
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return `
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Qwitcher+Grypen&family=Roboto:wght@300;400;700&display=swap"
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rel="stylesheet"
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/>
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<script src="https://cdn.tailwindcss.com"></script>
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<title>Certificate</title>
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<style>
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body {
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width: 1123px;
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height: 794px;
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}
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.student-name {
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font-family: 'Qwitcher Grypen', cursive;
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}
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</style>
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</head>
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<body>
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${body}
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</body>
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</html>
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`;
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}
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function getProfessionalTheme({
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studentName,
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courseName,
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courseDescription,
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orgLogoUrl,
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orgName,
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}) {
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const themeBody = `
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<div class="flex items-center justify-center border border-dashed border-blue-400 h-full w-full">
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<div class="w-full h-full flex border-l-8 border-blue-800">
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<div class="h-full w-full px-5 py-10">
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<p class="text-2xl font-normal my-2 mb-10 uppercase text-gray-500">
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Certificate<br /> of completion
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</p>
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<div class="border-b border-gray-500 mb-4">
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<p class="text-xl text-black font-normal">This is to certify that</p>
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<p class="student-name text-center text-9xl">${studentName}</p>
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</div>
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<div class="mb-2">
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<p class="text-xl text-black font-normal">
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has successfully completed introductory courses in
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</p>
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<div>
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<p class="bg-transparent font-semibold text-blue-800 text-center uppercase my-10 text-3xl">
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${courseName}
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</p>
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</div>
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</div>
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<p class="text-xl font-light mb-4 text-justify">
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${courseDescription}
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</p>
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<div class="flex items-center gap-1 mt-14">
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<img
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src="${orgLogoUrl}"
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alt="logo" class="w-24 h-24 rounded-md" />
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<p class="font-semibold capitalize text-5xl">${orgName}</p>
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</div>
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</div>
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</div>
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</div>
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`;
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return getHtmlTemplate(themeBody);
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}
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function getPlainTheme({
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studentName,
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courseName,
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courseDescription,
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orgLogoUrl,
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orgName,
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}) {
|
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const themeBody = `
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<div class="flex flex-col items-center justify-center border-4 border-pink-700 py-3 w-full h-full">
|
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<div class="flex items-center gap-1 my-2 mb-10">
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<img
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src="${orgLogoUrl}"
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alt="logo" class=" w-24 h-24 rounded-md" />
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<p class="font-semibold capitalize text-5xl">${orgName}</p>
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</div>
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<div class="w-full px-5 py-3">
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<p class="text-xl text-center font-normal my-2 uppercase tracking-widest text-gray-500 w-full">
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Certificate of completion
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</p>
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<div class="border-b border-gray-500 mb-4">
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<p class="text-xl text-black font-normal">This is to certify that</p>
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<p class="student-name text-center text-8xl">${studentName}</p>
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</div>
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<div class="mb-2">
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<p class="text-xl text-black font-normal">
|
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has successfully completed a courses in
|
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</p>
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<div class="my-10">
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<p class="bg-transparent font-semibold text-pink-700 text-center uppercase text-3xl">
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${courseName}
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</p>
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</div>
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</div>
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<p class="text-xl text-center text-gray-500 font-light">${courseDescription}</p>
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</div>
|
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</div>
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`;
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return getHtmlTemplate(themeBody);
|
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}
|
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|
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const generateCertificate = async ({
|
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theme,
|
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studentName,
|
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courseName,
|
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courseDescription,
|
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orgLogoUrl,
|
||||
orgName,
|
||||
}) => {
|
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const params = {
|
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studentName,
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courseName,
|
||||
courseDescription,
|
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orgLogoUrl,
|
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orgName,
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};
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||||
console.log('theme', theme);
|
||||
|
||||
const html =
|
||||
theme === 'plain' ? getPlainTheme(params) : getProfessionalTheme(params);
|
||||
console.log('body', html);
|
||||
|
||||
return await getPdfBuffer(html);
|
||||
};
|
||||
|
||||
module.exports = {
|
||||
generateCertificate,
|
||||
};
|
||||
@@ -0,0 +1,221 @@
|
||||
// const { getPdfBuffer } = require('./puppeteer');
|
||||
const { marked } = require('marked');
|
||||
const puppeteer = require('puppeteer');
|
||||
|
||||
function getHtmlTemplate(body) {
|
||||
return `
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<link rel="preconnect" href="https://fonts.googleapis.com" />
|
||||
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
|
||||
<link
|
||||
href="https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@100;200;300;400&family=Roboto:wght@100;300;400;500;700;900&display=swap"
|
||||
rel="stylesheet" />
|
||||
<script src="https://cdn.tailwindcss.com?plugins=forms,typography,aspect-ratio,line-clamp"></script>
|
||||
<title>Lesson Note</title>
|
||||
<style>
|
||||
html {
|
||||
-webkit-print-color-adjust: exact;
|
||||
}
|
||||
|
||||
body {
|
||||
font-family: 'Roboto', sans-serif;
|
||||
}
|
||||
|
||||
.prose h1 {
|
||||
margin: 0;
|
||||
}
|
||||
|
||||
.prose h2 {
|
||||
margin: 0.5rem 0 1.5rem 0;
|
||||
}
|
||||
|
||||
.prose h3 {
|
||||
margin: 0.5rem 0;
|
||||
}
|
||||
|
||||
.roboto-mono {
|
||||
font-family: 'Roboto Mono', monospace;
|
||||
}
|
||||
|
||||
span {
|
||||
font-size: 0.8rem;
|
||||
}
|
||||
|
||||
section {
|
||||
margin-top: 5%;
|
||||
}
|
||||
|
||||
.root {
|
||||
width: 95%;
|
||||
}
|
||||
</style>
|
||||
<style type="text/tailwindcss">
|
||||
@tailwind base;
|
||||
@tailwind base;
|
||||
@tailwind components;
|
||||
@tailwind utilities;
|
||||
|
||||
.prose {
|
||||
max-width: unset;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body class="w-full break-after-page">
|
||||
${body}
|
||||
</body>
|
||||
</html>
|
||||
`;
|
||||
}
|
||||
|
||||
function getLessonBody(
|
||||
{ lessonTitle, lessonNumber, lessonNote, slideUrl, video },
|
||||
orgName,
|
||||
orgTheme
|
||||
) {
|
||||
const noteHtml = marked.parse(lessonNote);
|
||||
const showExtraResources = slideUrl || (video && video.length > 0);
|
||||
return `
|
||||
<div
|
||||
class="bg-[${
|
||||
orgTheme ? orgTheme : '#0030FF'
|
||||
}] w-full h-40 flex flex-col items-center justify-center gap-2 rounded-lg m-0">
|
||||
<h3
|
||||
class="my-0 rounded-full w-10 text-center mx-auto py-1 text-[${
|
||||
orgTheme ? orgTheme : '#0030FF'
|
||||
}] bg-white text-md font-bold tracking-tighter">
|
||||
${lessonNumber}
|
||||
</h3>
|
||||
<h1 class="text-white m-0">${lessonTitle}</h1>
|
||||
<h4 class="roboto-mono text-md font-normal text-white m-0">By ${orgName}</h4>
|
||||
</div>
|
||||
|
||||
<main class="break-after-page">
|
||||
<section>
|
||||
${noteHtml}
|
||||
</section>
|
||||
|
||||
<section>
|
||||
${
|
||||
showExtraResources
|
||||
? `
|
||||
<section>
|
||||
<h1 class='text-xl font-bold my-1'>Extra Resources</h1>
|
||||
${
|
||||
slideUrl
|
||||
? `<div class="flex mt-2 mb-1">
|
||||
<p class="m-0 mr-2">Slide Link:</p> <a href=${slideUrl} style="color: blue" class="underline">Open Here</a>
|
||||
</div>`
|
||||
: ''
|
||||
}
|
||||
${
|
||||
video && video.length > 0
|
||||
? `
|
||||
<p class="m-0">Video Link:</p>
|
||||
<div class="m-0">
|
||||
<ol class="m-0">
|
||||
${video
|
||||
.map(
|
||||
(videoData, index) => `
|
||||
<li key=${
|
||||
index + 1
|
||||
}><a href=${videoData} style="color: blue" class="underline">${videoData}</a></li>
|
||||
`
|
||||
)
|
||||
.join('')}
|
||||
</ol>
|
||||
</div>
|
||||
`
|
||||
: ''
|
||||
}
|
||||
</section>
|
||||
`
|
||||
: ''
|
||||
}
|
||||
</section>
|
||||
</main>
|
||||
`;
|
||||
}
|
||||
|
||||
function getCourseBody({ courseTitle, orgName, orgTheme, lessons }) {
|
||||
return `
|
||||
<header class="flex justify-center items-center flex-col border-[${
|
||||
orgTheme ? orgTheme : '#0030FF'
|
||||
}] border-[40px] mx-3 h-[100vh] m-0">
|
||||
<h1 class="font-bold text-8xl text-black m-0 mx-96">${courseTitle}</h1>
|
||||
<h4 class="text-md text-2xl font-light text-black mt-5 ">${orgName}</h4>
|
||||
</header>
|
||||
<div class="root mx-auto mt-5 prose break-after-page">
|
||||
${lessons.map((lesson) => getLessonBody(lesson, orgName, orgTheme))}
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
async function generateSinglePdfFromHtml(htmlContent, courseTitle, orgTheme) {
|
||||
const args = [
|
||||
'--disable-web-security',
|
||||
'--no-sandbox',
|
||||
'--disable-setuid-sandbox',
|
||||
];
|
||||
const browser = await puppeteer.launch({
|
||||
headless: 'new',
|
||||
args,
|
||||
});
|
||||
const page = await browser.newPage();
|
||||
|
||||
await page.setContent(htmlContent);
|
||||
|
||||
const pdfOptions = {
|
||||
format: 'A4',
|
||||
printBackground: true,
|
||||
displayHeaderFooter: true,
|
||||
headerTemplate:
|
||||
"<div><div class='pageNumber'></div> <div>/</div><div class='totalPages'></div></div>",
|
||||
footerTemplate: `
|
||||
<div class="footer" style="position: relative; display: flex; text-align: right; margin-right: 5%; font-size: 8px; width: 297mm; padding-top: 30px;">
|
||||
<div style="position: absolute; right: 50%; bottom: 3%;"><span class="pageNumber"></span>/<span class="totalPages"></span></div>
|
||||
<div style="position: absolute; right: 0; bottom: 3%;">${courseTitle} | Powered by <a href="https://app.classroomio.com" style="text-decoration: underline;">ClassroomIO</a></div>
|
||||
</div>
|
||||
`,
|
||||
margin: {
|
||||
top: '0.3cm',
|
||||
bottom: '0.5cm',
|
||||
},
|
||||
};
|
||||
|
||||
const numPages = await page.evaluate(() => {
|
||||
const content = document.body; // Change this to the specific element containing content
|
||||
const style = window.getComputedStyle(content);
|
||||
const contentHeight = parseInt(style.height, 10);
|
||||
const pageHeight = 900; // Set this to an appropriate value based on your PDF format
|
||||
|
||||
return Math.ceil(contentHeight / pageHeight);
|
||||
});
|
||||
|
||||
const pagesPdfBuffer = [];
|
||||
|
||||
for (let currentPage = 1; currentPage <= numPages; currentPage++) {
|
||||
await page.evaluate(() => {});
|
||||
|
||||
const pdfBuffer = await page.pdf(pdfOptions);
|
||||
pagesPdfBuffer.push(pdfBuffer);
|
||||
}
|
||||
|
||||
await browser.close();
|
||||
return Buffer.concat(pagesPdfBuffer);
|
||||
}
|
||||
|
||||
async function generateCoursePdf(params) {
|
||||
// Generate the course boddy
|
||||
const body = getCourseBody(params);
|
||||
const html = getHtmlTemplate(body);
|
||||
console.log(html);
|
||||
return await generateSinglePdfFromHtml(html, params.courseTitle);
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
generateCoursePdf,
|
||||
};
|
||||
@@ -0,0 +1,3 @@
|
||||
module.exports = () => {
|
||||
return Date.now().toString(36) + Math.random().toString(36).substr(2);
|
||||
};
|
||||
@@ -0,0 +1,227 @@
|
||||
// const { getPdfBuffer } = require('./puppeteer');
|
||||
const { marked } = require('marked');
|
||||
const puppeteer = require('puppeteer');
|
||||
|
||||
function getHtmlTemplate(body) {
|
||||
return `
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<link rel="preconnect" href="https://fonts.googleapis.com" />
|
||||
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
|
||||
<link
|
||||
href="https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@100;200;300;400&family=Roboto:wght@100;300;400;500;700;900&display=swap"
|
||||
rel="stylesheet" />
|
||||
<script src="https://cdn.tailwindcss.com?plugins=forms,typography,aspect-ratio,line-clamp"></script>
|
||||
<title>Lesson Note</title>
|
||||
<style>
|
||||
html {
|
||||
-webkit-print-color-adjust: exact;
|
||||
}
|
||||
|
||||
header {
|
||||
background-color: rgb(0, 48, 255);
|
||||
}
|
||||
|
||||
body {
|
||||
font-family: 'Roboto', sans-serif;
|
||||
}
|
||||
|
||||
.prose h1 {
|
||||
margin: 0;
|
||||
}
|
||||
|
||||
.prose h2 {
|
||||
margin: 0.5rem 0 1.5rem 0;
|
||||
}
|
||||
|
||||
.prose h3 {
|
||||
margin: 0.5rem 0;
|
||||
}
|
||||
|
||||
.roboto-mono {
|
||||
font-family: 'Roboto Mono', monospace;
|
||||
}
|
||||
|
||||
span {
|
||||
font-size: 0.8rem;
|
||||
}
|
||||
|
||||
section {
|
||||
margin-top: 5%;
|
||||
}
|
||||
|
||||
.root {
|
||||
width: 95%;
|
||||
}
|
||||
</style>
|
||||
<style type="text/tailwindcss">
|
||||
@tailwind base;
|
||||
@tailwind base;
|
||||
@tailwind components;
|
||||
@tailwind utilities;
|
||||
|
||||
.prose {
|
||||
max-width: unset;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body class="w-full">
|
||||
${body}
|
||||
</body>
|
||||
</html>
|
||||
`;
|
||||
}
|
||||
|
||||
function getLessonBody({
|
||||
title,
|
||||
number,
|
||||
orgName,
|
||||
note,
|
||||
slideUrl,
|
||||
video,
|
||||
courseTitle,
|
||||
}) {
|
||||
const noteHtml = marked.parse(note);
|
||||
const showExtraResources = slideUrl || (video && video.length > 0);
|
||||
return `
|
||||
<div class="root mx-auto mt-5 prose">
|
||||
<header
|
||||
class="w-full h-40 flex flex-col items-center justify-center gap-2 rounded-lg m-0">
|
||||
<h3
|
||||
class="my-0 rounded-full w-10 text-center mx-auto py-1 text-blue-700 bg-white text-md font-bold tracking-tighter">
|
||||
${number}
|
||||
</h3>
|
||||
<h1 class="text-white m-0">${title}</h1>
|
||||
<h4 class="roboto-mono text-md font-normal text-white m-0">By ${orgName}</h4>
|
||||
</header>
|
||||
|
||||
<main>
|
||||
<section>
|
||||
${noteHtml}
|
||||
</section>
|
||||
|
||||
<section>
|
||||
${
|
||||
showExtraResources
|
||||
? `
|
||||
<section>
|
||||
<h1 class='text-xl font-bold my-1'>Extra Resources</h1>
|
||||
${
|
||||
slideUrl
|
||||
? `<div class="flex mt-2 mb-1">
|
||||
<p class="m-0 mr-2">Slide Link:</p> <a href=${slideUrl} style="color: blue" class="underline">Open Here</a>
|
||||
</div>`
|
||||
: ''
|
||||
}
|
||||
${
|
||||
video && video.length > 0
|
||||
? `
|
||||
<p class="m-0">Video Link:</p>
|
||||
<div class="m-0">
|
||||
<ol class="m-0">
|
||||
${video
|
||||
.map(
|
||||
(videoData, index) => `
|
||||
<li key=${
|
||||
index + 1
|
||||
}><a href=${videoData} style="color: blue" class="underline">${videoData}</a></li>
|
||||
`
|
||||
)
|
||||
.join('')}
|
||||
</ol>
|
||||
</div>
|
||||
`
|
||||
: ''
|
||||
}
|
||||
</section>
|
||||
`
|
||||
: ''
|
||||
}
|
||||
</section>
|
||||
</main>
|
||||
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
async function generateSinglePdfFromHtml(htmlContent, courseTitle) {
|
||||
const args = [
|
||||
'--disable-web-security',
|
||||
'--no-sandbox',
|
||||
'--disable-setuid-sandbox',
|
||||
];
|
||||
const browser = await puppeteer.launch({
|
||||
headless: 'new',
|
||||
args,
|
||||
});
|
||||
const page = await browser.newPage();
|
||||
|
||||
await page.setContent(htmlContent);
|
||||
|
||||
const pdfOptions = {
|
||||
format: 'A4',
|
||||
printBackground: true,
|
||||
displayHeaderFooter: true,
|
||||
headerTemplate:
|
||||
"<div><div class='pageNumber'></div> <div>/</div><div class='totalPages'></div></div>",
|
||||
footerTemplate: `<div class="footer" style="text-align: right; margin-right: 5%; font-size: 8px; width: 297mm; padding-top: 30px;">
|
||||
${courseTitle} | Powered by <a href="https://app.classroomio.com" style="color: blue; text-decoration: underline;">ClassroomIO</a>
|
||||
</div>`,
|
||||
margin: {
|
||||
top: '0.4cm',
|
||||
bottom: '1cm',
|
||||
},
|
||||
};
|
||||
|
||||
const numPages = await page.evaluate(() => {
|
||||
const content = document.body; // Change this to the specific element containing content
|
||||
const style = window.getComputedStyle(content);
|
||||
const contentHeight = parseInt(style.height, 10);
|
||||
const pageHeight = 900; // Set this to an appropriate value based on your PDF format
|
||||
|
||||
return Math.ceil(contentHeight / pageHeight);
|
||||
});
|
||||
|
||||
const pagesPdfBuffer = [];
|
||||
|
||||
for (let currentPage = 1; currentPage <= numPages; currentPage++) {
|
||||
await page.evaluate(() => {});
|
||||
|
||||
const pdfBuffer = await page.pdf(pdfOptions);
|
||||
pagesPdfBuffer.push(pdfBuffer);
|
||||
}
|
||||
|
||||
await browser.close();
|
||||
return Buffer.concat(pagesPdfBuffer);
|
||||
}
|
||||
|
||||
async function generateLessonPdf(params) {
|
||||
// Generate the lesson boddy
|
||||
const body = getLessonBody(params);
|
||||
const html = getHtmlTemplate(body);
|
||||
console.log(html);
|
||||
return await generateSinglePdfFromHtml(html, params.courseTitle);
|
||||
// return await getPdfBuffer(html, {
|
||||
// path: 'test.pdf',
|
||||
// width: '1000px',
|
||||
// height: undefined,
|
||||
// printBackground: true,
|
||||
// format: 'A4',
|
||||
// displayHeaderFooter: true,
|
||||
// headerTemplate:
|
||||
// "<div><div class='pageNumber'></div> <div>/</div><div class='totalPages'></div></div>",
|
||||
// footerTemplate:
|
||||
// '<div style="text-align: right;width: 297mm;font-size: 8px;"><span style="margin-right: 1cm"><span class="pageNumber"></span> of <span class="totalPages"></span></span></div>',
|
||||
// margin: {
|
||||
// top: '1cm',
|
||||
// bottom: '1cm',
|
||||
// },
|
||||
// });
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
generateLessonPdf,
|
||||
};
|
||||
@@ -0,0 +1,38 @@
|
||||
const puppeteer = require('puppeteer');
|
||||
|
||||
const getPdfBuffer = async (html, pdfParams) => {
|
||||
const args = [
|
||||
'--disable-web-security',
|
||||
'--no-sandbox',
|
||||
'--disable-setuid-sandbox',
|
||||
];
|
||||
const defaultPdfParams = {
|
||||
width: '1123px',
|
||||
height: '794px',
|
||||
};
|
||||
|
||||
// launch a new chrome instance
|
||||
const browser = await puppeteer.launch({
|
||||
headless: 'new',
|
||||
args,
|
||||
});
|
||||
|
||||
// create a new page
|
||||
const page = await browser.newPage();
|
||||
await page.setViewport({ width: 1123, height: 794 });
|
||||
await page.goto('data:text/html,' + html, { waitUntil: 'networkidle2' });
|
||||
await page.addStyleTag({ content: '@page { size: auto; }' });
|
||||
await page.emulateMediaType('screen');
|
||||
|
||||
// create a pdf buffer
|
||||
const pdfBuffer = await page.pdf(pdfParams || defaultPdfParams);
|
||||
|
||||
// close the browser
|
||||
await browser.close();
|
||||
|
||||
return pdfBuffer;
|
||||
};
|
||||
|
||||
module.exports = {
|
||||
getPdfBuffer,
|
||||
};
|
||||
@@ -0,0 +1,30 @@
|
||||
const { createClient } = require('@supabase/supabase-js');
|
||||
|
||||
const { PUBLIC_SUPABASE_ANON_KEY, PUBLIC_SUPABASE_URL } = process.env;
|
||||
|
||||
let supabase;
|
||||
|
||||
const getSupabase = (config) => {
|
||||
if (supabase) return supabase;
|
||||
|
||||
config = {
|
||||
supabaseConfig: {
|
||||
bucketPath:
|
||||
'https://koxqonvbkeakwvmdegcf.supabase.in/storage/v1/object/sign/',
|
||||
url: PUBLIC_SUPABASE_URL || '',
|
||||
anonKey: PUBLIC_SUPABASE_ANON_KEY || '',
|
||||
},
|
||||
};
|
||||
|
||||
supabase = createClient(
|
||||
config.supabaseConfig.url,
|
||||
config.supabaseConfig.anonKey,
|
||||
{ auth: { persistSession: false } }
|
||||
);
|
||||
|
||||
return supabase;
|
||||
};
|
||||
|
||||
module.exports = {
|
||||
getSupabase,
|
||||
};
|
||||
@@ -0,0 +1,17 @@
|
||||
const multer = require('multer');
|
||||
|
||||
// const storage = multer.memoryStorage();
|
||||
// const upload = multer({ storage: storage });
|
||||
|
||||
const storage = multer.diskStorage({
|
||||
destination: function (req, file, cb) {
|
||||
cb(null, 'uploads/');
|
||||
},
|
||||
filename: function (req, file, cb) {
|
||||
cb(null, `${new Date().getTime()}-${file.originalname}`); //Appending extension
|
||||
},
|
||||
});
|
||||
|
||||
var upload = multer({ storage: storage });
|
||||
|
||||
module.exports = upload;
|
||||
Reference in New Issue
Block a user