feat: end to end api type safety with redis rate limiting (#573)
* feat: support hono rpc * add wrangler file * update name of wrangler file * add wrangler as a dependency * add compatibility_flags * trigger ci * core: add health check to docker file * expose port 80 * update custom healthcheck * feat: implement openapi * install dependencies in root * debug yml * update yml * update port * update dockerfile with envs * completely move away from apiClient * rename backend to api * refactor: update server descriptions and comment out local spec saving * update lock file * use api.classroomio.com * add support for redis * fix: add missing line break in WelcomeModal.svelte * refactor: remove wrangler configuration and update Vite config for API integration
This commit is contained in:
Rotimi Best
@@ -0,0 +1,50 @@
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import { ZCertificateDownload, ZCourseDownloadContent } from '$src/types/course';
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import { Hono } from 'hono';
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import { generateCertificate } from '$src/utils/certificate';
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import { generateCoursePdf } from '$src/utils/course';
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import { katexRouter } from '$src/routes/course/katex';
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import { lessonRouter } from '$src/routes/course/lesson';
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import { presignRouter } from '$src/routes/course/presign';
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import { zValidator } from '@hono/zod-validator';
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export const courseRouter = new Hono()
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.post('/download/certificate', zValidator('json', ZCertificateDownload), async (c) => {
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const validatedData = c.req.valid('json');
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const result = await generateCertificate(validatedData);
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c.header('Content-Type', 'application/pdf');
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c.header(
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'Content-Disposition',
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`attachment; filename="certificate-${validatedData.courseName}.pdf"`
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);
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return c.body(
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new ReadableStream({
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start(controller) {
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controller.enqueue(result);
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controller.close();
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}
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})
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);
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})
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.post('/download/content', zValidator('json', ZCourseDownloadContent), async (c) => {
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const validatedData = c.req.valid('json');
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const pdfBuffer = await generateCoursePdf(validatedData);
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c.header('Content-Type', 'application/pdf');
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return c.body(
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new ReadableStream({
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start(controller) {
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controller.enqueue(pdfBuffer);
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controller.close();
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}
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})
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);
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})
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.route('/katex', katexRouter)
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.route('/lesson', lessonRouter)
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.route('/presign', presignRouter);
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@@ -0,0 +1,39 @@
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import { Context, Hono } from 'hono';
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import katex from 'katex';
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import { z } from 'zod';
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export const katexRouter = new Hono().get('/', async (c: Context) => {
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try {
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const original = c.req.raw.url;
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const latexString = original.split('?')[1].replaceAll('+', '+').replaceAll('&space;', '');
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const html = katex.renderToString(latexString, {
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output: 'mathml',
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throwOnError: false
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});
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return c.html(html);
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} catch (error) {
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if (error instanceof z.ZodError) {
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return c.json(
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{
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success: false,
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error: 'Validation error',
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details: error.message
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},
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400
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);
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}
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console.error('Error rendering LaTeX:', error);
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return c.json(
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{
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success: false,
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error: error instanceof Error ? error.message : 'Unknown error occurred'
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},
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500
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);
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}
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});
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@@ -0,0 +1,24 @@
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import { Hono } from 'hono';
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import { ZLessonDownloadContent } from '$src/types/course/lesson';
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import { generateLessonPdf } from '$src/utils/lesson';
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import { zValidator } from '@hono/zod-validator';
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export const lessonRouter = new Hono().post(
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'/download/pdf',
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zValidator('json', ZLessonDownloadContent),
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async (c) => {
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const validatedData = c.req.valid('json');
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const pdfBuffer = await generateLessonPdf(validatedData);
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c.header('Content-Type', 'application/pdf');
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return c.body(
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new ReadableStream({
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start(controller) {
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controller.enqueue(pdfBuffer);
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controller.close();
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}
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})
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);
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}
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);
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@@ -0,0 +1,253 @@
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import { GetObjectCommand, PutObjectCommand } from '@aws-sdk/client-s3';
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import {
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ZCourseDocumentPresignUrlUpload,
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ZCourseDownloadPresignedUrl,
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ZCoursePresignUrlUpload
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} from '$src/types/course';
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import { describeRoute, validator } from 'hono-openapi';
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import { BUCKET_NAME } from '$src/constants/upload';
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import { CLOUDFLARE } from '$src/constants';
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import type { GetSignedUrlParameters } from '$src/utils/s3';
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import { Hono } from 'hono';
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import { authMiddleware } from '$src/middlewares/auth';
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import { generateFileKey } from '$src/utils/upload';
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import { getSignedUrl } from '@aws-sdk/s3-request-presigner';
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import { s3Client } from '$src/utils/s3';
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// Response schemas for OpenAPI documentation
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const PresignUploadResponse = {
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type: 'object' as const,
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properties: {
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success: { type: 'boolean' as const },
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url: { type: 'string' as const },
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fileKey: { type: 'string' as const },
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message: { type: 'string' as const }
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},
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required: ['success', 'url', 'fileKey', 'message']
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};
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const PresignDownloadResponse = {
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type: 'object' as const,
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properties: {
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success: { type: 'boolean' as const },
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urls: {
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type: 'object' as const,
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additionalProperties: { type: 'string' as const }
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},
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message: { type: 'string' as const }
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},
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required: ['success', 'urls', 'message']
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};
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export const presignRouter = new Hono()
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.post(
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'/video/upload',
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authMiddleware,
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describeRoute({
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description: 'Generate a pre-signed URL for video upload',
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responses: {
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200: {
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description: 'Pre-signed URL generated successfully',
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content: {
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'application/json': {
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schema: PresignUploadResponse
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}
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}
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},
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400: {
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description: 'Invalid request body'
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},
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401: {
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description: 'Unauthorized'
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}
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},
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tags: ['Presign']
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}),
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validator('json', ZCoursePresignUrlUpload),
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async (c) => {
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const body = c.req.valid('json');
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const { fileName, fileType } = body;
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const fileKey = generateFileKey(fileName);
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const command = new PutObjectCommand({
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Bucket: BUCKET_NAME.VIDEOS,
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Key: fileKey,
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ContentType: fileType
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}) as GetSignedUrlParameters[1];
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const presignedUrl = await getSignedUrl(s3Client as GetSignedUrlParameters[0], command, {
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expiresIn: CLOUDFLARE.R2.PRESIGN_EXPIRATION_TIME
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});
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return c.json({
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success: true,
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url: presignedUrl,
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fileKey,
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message: 'Pre-signed URL generated successfully'
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});
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}
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)
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.post(
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'/document/upload',
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authMiddleware,
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describeRoute({
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description: 'Generate a pre-signed URL for document upload',
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responses: {
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200: {
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description: 'Document pre-signed URL generated successfully',
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content: {
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'application/json': {
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schema: PresignUploadResponse
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}
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}
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},
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400: {
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description: 'Invalid request body'
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},
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401: {
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description: 'Unauthorized'
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}
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},
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tags: ['Presign']
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}),
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validator('json', ZCourseDocumentPresignUrlUpload),
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async (c) => {
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const body = c.req.valid('json');
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const { fileName, fileType } = body;
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const fileKey = generateFileKey(fileName);
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const command = new PutObjectCommand({
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Bucket: BUCKET_NAME.DOCUMENTS,
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Key: fileKey,
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ContentType: fileType
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}) as GetSignedUrlParameters[1];
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const presignedUrl = await getSignedUrl(s3Client as GetSignedUrlParameters[0], command, {
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expiresIn: CLOUDFLARE.R2.PRESIGN_EXPIRATION_TIME
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});
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return c.json({
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success: true,
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url: presignedUrl,
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fileKey,
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message: 'Document pre-signed URL generated successfully'
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});
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}
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)
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.post(
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'/video/download',
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authMiddleware,
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describeRoute({
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description: 'Generate pre-signed URLs for video download',
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responses: {
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200: {
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description: 'Video URLs retrieved successfully',
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content: {
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'application/json': {
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schema: PresignDownloadResponse
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}
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}
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},
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400: {
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description: 'Invalid request body'
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},
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401: {
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description: 'Unauthorized'
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}
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},
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tags: ['Presign']
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}),
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validator('json', ZCourseDownloadPresignedUrl),
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async (c) => {
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const body = c.req.valid('json');
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const { keys } = body;
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const signedUrls: Record<string, string> = {};
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const urlPromises = keys.map(async (key) => {
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const command = new GetObjectCommand({
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Bucket: BUCKET_NAME.VIDEOS,
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Key: key
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}) as GetSignedUrlParameters[1];
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const presignedUrl = await getSignedUrl(s3Client as GetSignedUrlParameters[0], command, {
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expiresIn: CLOUDFLARE.R2.DOWNLOAD_EXPIRATION_TIME
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});
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return { key, presignedUrl };
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});
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const results = await Promise.all(urlPromises);
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results.forEach(({ key, presignedUrl }) => {
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signedUrls[key] = presignedUrl;
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});
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return c.json({
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success: true,
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urls: signedUrls,
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message: 'Video URLs retrieved successfully'
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});
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}
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)
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.post(
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'/document/download',
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authMiddleware,
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describeRoute({
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description: 'Generate pre-signed URLs for document download',
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responses: {
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200: {
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description: 'Document URLs retrieved successfully',
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content: {
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'application/json': {
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schema: PresignDownloadResponse
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}
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}
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},
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400: {
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description: 'Invalid request body'
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},
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401: {
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description: 'Unauthorized'
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}
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},
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tags: ['Presign']
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}),
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validator('json', ZCourseDownloadPresignedUrl),
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async (c) => {
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const body = c.req.valid('json');
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const { keys } = body;
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const signedUrls: Record<string, string> = {};
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const urlPromises = keys.map(async (key) => {
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const command = new GetObjectCommand({
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Bucket: BUCKET_NAME.DOCUMENTS,
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Key: key
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}) as GetSignedUrlParameters[1];
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const presignedUrl = await getSignedUrl(s3Client as GetSignedUrlParameters[0], command, {
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expiresIn: CLOUDFLARE.R2.DOWNLOAD_EXPIRATION_TIME
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});
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return { key, presignedUrl };
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});
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const results = await Promise.all(urlPromises);
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results.forEach(({ key, presignedUrl }) => {
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signedUrls[key] = presignedUrl;
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});
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return c.json({
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success: true,
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urls: signedUrls,
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message: 'Document URLs retrieved successfully'
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});
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}
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);
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@@ -0,0 +1,48 @@
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import { sendWithNodemailer, sendWithZoho } from '$src/services/mail';
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import { Hono } from 'hono';
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import { ZSendEmailValidation } from '$src/types/mail';
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import { env } from '$src/config/env';
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import { zValidator } from '@hono/zod-validator';
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export const mailRouter = new Hono().post(
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'/send',
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zValidator('json', ZSendEmailValidation),
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async (c) => {
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const validatedData = c.req.valid('json');
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const results = await Promise.all(
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validatedData.map(async (emailData) => {
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try {
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const res = env.ZOHO_TOKEN
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? await sendWithZoho(emailData)
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: await sendWithNodemailer(emailData);
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console.log('Email status:', res);
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return res;
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} catch (error) {
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console.error('Error sending email:', error);
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return {
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success: false,
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error: error instanceof Error ? error.message : 'Unknown error occurred',
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details: error
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};
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}
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})
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);
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const hasErrors = results.some((result) => !result.success);
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if (hasErrors) {
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return c.json(
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{
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success: false,
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error: 'Some emails failed to send',
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details: results
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},
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500
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);
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}
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return c.json({ success: true, details: results });
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}
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);
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Block a user