Files
lexmind/src/app/api/jurisprudencia/search/route.ts

118 lines
3.3 KiB
TypeScript

import { NextRequest, NextResponse } from 'next/server'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/lib/auth'
import { prisma } from '@/lib/prisma'
import OpenAI from 'openai'
const openai = new OpenAI({ apiKey: process.env.OPENAI_API_KEY })
interface ExtractedTerms {
keywords: string[]
tribunal?: string
area?: string
relator?: string
dateRange?: { from?: string; to?: string }
}
export async function POST(req: NextRequest) {
const session = await getServerSession(authOptions)
if (!session?.user?.id) {
return NextResponse.json({ error: 'Não autorizado' }, { status: 401 })
}
const body = await req.json()
const { query } = body
if (!query || typeof query !== 'string') {
return NextResponse.json({ error: 'Query é obrigatória' }, { status: 400 })
}
// Use OpenAI to extract structured legal search terms
const completion = await openai.chat.completions.create({
model: 'gpt-4o-mini',
temperature: 0,
messages: [
{
role: 'system',
content: `Você é um assistente jurídico brasileiro especializado em pesquisa de jurisprudência.
Dado uma consulta em linguagem natural, extraia termos de busca estruturados.
Responda APENAS com JSON válido no formato:
{
"keywords": ["termo1", "termo2"],
"tribunal": "STF" | "STJ" | "TST" | "TRF1" | ... | null,
"area": "CIVIL" | "TRABALHISTA" | "PENAL" | "TRIBUTARIO" | "FAMILIA" | "EMPRESARIAL" | "CONSUMIDOR" | "ADMINISTRATIVO" | null,
"relator": "nome do relator" | null,
"dateRange": { "from": "YYYY-MM-DD", "to": "YYYY-MM-DD" } | null
}
Extraia o máximo de termos jurídicos relevantes. Inclua sinônimos e termos técnicos.
Se o usuário mencionar um tribunal específico, inclua-o.
Se mencionar uma área do direito, identifique-a.`,
},
{
role: 'user',
content: query,
},
],
})
let extracted: ExtractedTerms
try {
const raw = completion.choices[0].message.content || '{}'
// Strip markdown code fences if present
const cleaned = raw.replace(/```json?\n?/g, '').replace(/```/g, '').trim()
extracted = JSON.parse(cleaned)
} catch {
extracted = { keywords: query.split(/\s+/).filter((w) => w.length > 2) }
}
// Build search queries from extracted keywords
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const where: any = {}
if (extracted.keywords.length > 0) {
// Search ementa for any of the keywords
where.OR = extracted.keywords.map((kw) => ({
ementa: { contains: kw, mode: 'insensitive' },
}))
}
if (extracted.tribunal) {
where.tribunal = extracted.tribunal
}
if (extracted.area) {
where.area = extracted.area
}
if (extracted.relator) {
where.relator = { contains: extracted.relator, mode: 'insensitive' }
}
if (extracted.dateRange) {
if (extracted.dateRange.from) {
where.data = { ...(where.data || {}), gte: extracted.dateRange.from }
}
if (extracted.dateRange.to) {
where.data = { ...(where.data || {}), lte: extracted.dateRange.to }
}
}
const [total, results] = await Promise.all([
prisma.jurisprudencia.count({ where }),
prisma.jurisprudencia.findMany({
where,
orderBy: { data: 'desc' },
take: 20,
}),
])
return NextResponse.json({
results,
total,
extractedTerms: extracted,
aiQuery: query,
})
}