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Fix: Use Next.js API proxy to avoid mixed-content/CORS errors
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Browse Source 
HTTPS pages cannot fetch from HTTP backend ports. Added Next.js
API route proxies for /api/vocabulary, /api/learning-units, /api/progress
that forward to backend-lehrer internally (same Docker network, HTTP).

All frontend pages now use same-origin requests (getApiBase = '')
instead of direct port:8001 connections.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Benjamin Admin
2026-04-24 15:49:52 +02:00
parent 0dbfa87058
commit b07f802c24
12 changed files with 210 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
studio-v2/app/learn/[unitId]/flashcards/page.tsx
View File

@@ -15,11 +15,11 @@ interface QAItem {
incorrect_count: number
}
function getBackendUrl() {
if (typeof window === 'undefined') return 'http://localhost:8001'
const { hostname, protocol } = window.location
if (hostname === 'localhost') return 'http://localhost:8001'
return `${protocol}//${hostname}:8001`
function getApiBase() {
return '' // Same-origin proxy
}
export default function FlashcardsPage() {
@@ -45,7 +45,7 @@ export default function FlashcardsPage() {
const loadQA = async () => {
setIsLoading(true)
try {
const resp = await fetch(`${getBackendUrl()}/api/learning-units/${unitId}/qa`)
const resp = await fetch(`${getApiBase()}/api/learning-units/${unitId}/qa`)
if (!resp.ok) throw new Error(`HTTP ${resp.status}`)
const data = await resp.json()
setItems(data.qa_items || [])
@@ -63,7 +63,7 @@ export default function FlashcardsPage() {
// Update Leitner progress
try {
await fetch(
`${getBackendUrl()}/api/learning-units/${unitId}/leitner/update?item_id=${item.id}&correct=${correct}`,
`${getApiBase()}/api/learning-units/${unitId}/leitner/update?item_id=${item.id}&correct=${correct}`,
{ method: 'POST' }
)
} catch (err) {

12
studio-v2/app/learn/[unitId]/quiz/page.tsx
View File

@@ -13,11 +13,11 @@ interface MCQuestion {
explanation?: string
}
function getBackendUrl() {
if (typeof window === 'undefined') return 'http://localhost:8001'
const { hostname, protocol } = window.location
if (hostname === 'localhost') return 'http://localhost:8001'
return `${protocol}//${hostname}:8001`
function getApiBase() {
return '' // Same-origin proxy
}
export default function QuizPage() {
@@ -43,7 +43,7 @@ export default function QuizPage() {
const loadMC = async () => {
setIsLoading(true)
try {
const resp = await fetch(`${getBackendUrl()}/api/learning-units/${unitId}/mc`)
const resp = await fetch(`${getApiBase()}/api/learning-units/${unitId}/mc`)
if (!resp.ok) throw new Error(`HTTP ${resp.status}`)
const data = await resp.json()
setQuestions(data.questions || [])

16
studio-v2/app/learn/[unitId]/story/page.tsx
View File

@@ -5,16 +5,16 @@ import { useParams, useRouter } from 'next/navigation'
import { useTheme } from '@/lib/ThemeContext'
import { AudioButton } from '@/components/learn/AudioButton'
function getBackendUrl() {
if (typeof window === 'undefined') return 'http://localhost:8001'
const { hostname, protocol } = window.location
if (hostname === 'localhost') return 'http://localhost:8001'
return `${protocol}//${hostname}:8001`
function getApiBase() {
return '' // Same-origin proxy
}
function getKlausurApiUrl() {
if (typeof window === 'undefined') return 'http://localhost:8086'
const { hostname, protocol } = window.location
if (hostname === 'localhost') return 'http://localhost:8086'
return `${protocol}//${hostname}/klausur-api`
}
@@ -39,7 +39,7 @@ export default function StoryPage() {
try {
// First get the QA data to extract vocabulary
const qaResp = await fetch(`${getBackendUrl()}/api/learning-units/${unitId}/qa`)
const qaResp = await fetch(`${getApiBase()}/api/learning-units/${unitId}/qa`)
let vocabulary: { english: string; german: string }[] = []
if (qaResp.ok) {
@@ -58,7 +58,7 @@ export default function StoryPage() {
}
// Generate story
const resp = await fetch(`${getBackendUrl()}/api/learning-units/${unitId}/generate-story`, {
const resp = await fetch(`${getApiBase()}/api/learning-units/${unitId}/generate-story`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ vocabulary, language, grade_level: '5-8' }),

14
studio-v2/app/learn/[unitId]/type/page.tsx
View File

@@ -13,11 +13,11 @@ interface QAItem {
leitner_box: number
}
function getBackendUrl() {
if (typeof window === 'undefined') return 'http://localhost:8001'
const { hostname, protocol } = window.location
if (hostname === 'localhost') return 'http://localhost:8001'
return `${protocol}//${hostname}:8001`
function getApiBase() {
return '' // Same-origin proxy
}
export default function TypePage() {
@@ -44,7 +44,7 @@ export default function TypePage() {
const loadQA = async () => {
setIsLoading(true)
try {
const resp = await fetch(`${getBackendUrl()}/api/learning-units/${unitId}/qa`)
const resp = await fetch(`${getApiBase()}/api/learning-units/${unitId}/qa`)
if (!resp.ok) throw new Error(`HTTP ${resp.status}`)
const data = await resp.json()
setItems(data.qa_items || [])
@@ -61,7 +61,7 @@ export default function TypePage() {
try {
await fetch(
`${getBackendUrl()}/api/learning-units/${unitId}/leitner/update?item_id=${item.id}&correct=${correct}`,
`${getApiBase()}/api/learning-units/${unitId}/leitner/update?item_id=${item.id}&correct=${correct}`,
{ method: 'POST' }
)
} catch (err) {

11
studio-v2/app/learn/page.tsx
View File

@@ -17,11 +17,8 @@ interface LearningUnit {
created_at: string
}
function getBackendUrl() {
if (typeof window === 'undefined') return 'http://localhost:8001'
const { hostname, protocol } = window.location
if (hostname === 'localhost') return 'http://localhost:8001'
return `${protocol}//${hostname}:8001`
function getApiBase() {
return '' // Same-origin proxy via /api/learning-units/...
}
export default function LearnPage() {
@@ -41,7 +38,7 @@ export default function LearnPage() {
const loadUnits = async () => {
setIsLoading(true)
try {
const resp = await fetch(`${getBackendUrl()}/api/learning-units/`)
const resp = await fetch(`${getApiBase()}/api/learning-units/`)
if (!resp.ok) throw new Error(`HTTP ${resp.status}`)
const data = await resp.json()
setUnits(data)
@@ -54,7 +51,7 @@ export default function LearnPage() {
const handleDelete = async (unitId: string) => {
try {
const resp = await fetch(`${getBackendUrl()}/api/learning-units/${unitId}`, { method: 'DELETE' })
const resp = await fetch(`${getApiBase()}/api/learning-units/${unitId}`, { method: 'DELETE' })
if (resp.ok) {
setUnits((prev) => prev.filter((u) => u.id !== unitId))
}