d5b409c1ac
- Bloc équation avec barre visuelle 20 symboles (fractions, intégrales, grec, etc.) - Math en ligne : tape $x^2$ → rendu KaTeX inline automatique - Math en bloc : tape $$E=mc^2$$ → converti en bloc - Génération IA : décrit l'équation en langage naturel → LaTeX - Service math-from-text + endpoint /api/ai/math-from-text - CSS KaTeX importé - i18n FR/EN complet
39 lines
1.4 KiB
TypeScript
39 lines
1.4 KiB
TypeScript
import { NextRequest, NextResponse } from 'next/server'
|
|
import { auth } from '@/auth'
|
|
import { mathFromTextService } from '@/lib/ai/services/math-from-text.service'
|
|
import { checkEntitlementOrThrow, QuotaExceededError, incrementUsageAsync } from '@/lib/entitlements'
|
|
|
|
export async function POST(request: NextRequest) {
|
|
try {
|
|
const session = await auth()
|
|
if (!session?.user?.id) {
|
|
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
|
|
}
|
|
|
|
const { description } = await request.json()
|
|
if (!description || typeof description !== 'string' || !description.trim()) {
|
|
return NextResponse.json({ error: 'Description is required' }, { status: 400 })
|
|
}
|
|
|
|
try {
|
|
await checkEntitlementOrThrow(session.user.id, 'reformulate')
|
|
} catch (err) {
|
|
if (err instanceof QuotaExceededError) {
|
|
const isTierLocked = err.currentQuota === 0
|
|
return NextResponse.json(
|
|
{ error: isTierLocked ? 'feature_locked' : 'quota_exceeded', errorKey: isTierLocked ? 'ai.featureLocked' : 'ai.quotaExceeded', upgradeTier: err.upgradeTier, quotaExceeded: true },
|
|
{ status: 402 },
|
|
)
|
|
}
|
|
throw err
|
|
}
|
|
|
|
const latex = await mathFromTextService.generate(description)
|
|
incrementUsageAsync(session.user.id, 'reformulate')
|
|
|
|
return NextResponse.json({ latex })
|
|
} catch (error: any) {
|
|
return NextResponse.json({ error: error.message || 'Failed to generate LaTeX' }, { status: 500 })
|
|
}
|
|
}
|