minor changes pt.2

src/pages/_app.tsx

@@ -2,7 +2,7 @@ import { ThemeProvider as NextThemesProvider } from 'next-themes'
 import { Analytics } from '@vercel/analytics/react'
 import { NextUIProvider } from '@nextui-org/react'
 import { Inter } from 'next/font/google'
-import { AppProps } from 'next/app'
+import type { AppProps } from 'next/app'
 import Head from 'next/head'
 import '@/styles/globals.css'
 

src/pages/api/erettsegi.ts

@@ -1,8 +1,14 @@
-import { NextApiRequest, NextApiResponse } from 'next'
+import type { NextApiRequest, NextApiResponse } from 'next'
 import { subjects } from '@/utils/subjects'
 
 export default function handler(req: NextApiRequest, res: NextApiResponse) {
-  const { vizsgatargy, ev, idoszak, szint } = req.query
+  const { vizsgatargy, ev, idoszak, szint } = req.query as {
+    vizsgatargy: string
+    ev: string
+    idoszak: string
+    szint: string
+  }
+
   const baseUrl = `https://dload-oktatas.educatio.hu/erettsegi/feladatok_${ev}${idoszak}_${szint}/`
 
   const missingParams = []
@@ -17,16 +23,16 @@ export default function handler(req: NextApiRequest, res: NextApiResponse) {
       .json({ error: `Hiányzó paraméterek: ${missingParams.join(', ')}` })
   }
 
-  if (ev! <= '2012') {
+  if (ev <= '2012') {
     return res.status(400).json({ error: 'Érvénytelen év' })
   }
 
   const validSubjects = subjects.map((subject) => subject.value)
-  if (!vizsgatargy || !validSubjects.includes(vizsgatargy as string)) {
+  if (!vizsgatargy || !validSubjects.includes(vizsgatargy)) {
     return res.status(400).json({ error: 'Érvénytelen vizsgatárgy' })
   }
 
-  let honap
+  let honap: string
   switch (idoszak) {
     case 'osz':
       honap = 'okt'
@@ -38,7 +44,7 @@ export default function handler(req: NextApiRequest, res: NextApiResponse) {
       return res.status(400).json({ error: 'Érvénytelen időszak' })
   }
 
-  let prefix
+  let prefix: string
   switch (szint) {
     case 'emelt':
       prefix = `e_${vizsgatargy}`
@@ -54,7 +60,7 @@ export default function handler(req: NextApiRequest, res: NextApiResponse) {
   const utmutato = 'ut'
   const forras = 'for'
   const megoldas = 'meg'
-  const shortev = ev!.slice(-2)
+  const shortev = ev.slice(-2)
 
   let flPdfUrl, utPdfUrl, flZipUrl, utZipUrl
   switch (vizsgatargy) {

src/pages/api/validate.ts

@@ -0,0 +1,29 @@
+import type { NextApiRequest, NextApiResponse } from 'next'
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { link } = req.query as { link: string }
+  let MissingParam: string | null = null
+  if (!link) {
+    MissingParam = 'link'
+  }
+
+  if (MissingParam) {
+    return res.status(400).json({ error: `Hiányzó paraméter: ${MissingParam}` })
+  }
+
+  const domain = link.split('/')[2]
+  if (domain !== 'dload-oktatas.educatio.hu') {
+    return res.status(400).json({ error: 'Érvénytelen link' })
+  }
+
+  try {
+    const response = await fetch(link, { method: 'HEAD' })
+    const status = response.status
+    res.status(200).json({ status })
+  } catch (error) {
+    res.status(500).json({ error: 'Hiányzó paraméterek:' })
+  }
+}

src/pages/index.tsx

@@ -39,7 +39,7 @@ export default function Home() {
 
   useEffect(() => {
     if (selectedLevel && selectedPeriod && selectedSubject && selectedYear) {
-      fetchData(
+      void fetchData(
         selectedSubject,
         selectedYear,
         selectedPeriod,