spb/vrai-prix

1// Auteur : Simon-Pierre Boucher — contact@spboucher.ai2/**3 * POST /api/stats/report/custom — v3 : rapport PDF personnalisé4 * (src/ka/stats/SPEC.md §3bis). Corps : {"title", "period", "from", "to",5 * "blocks": [{"key": "series:…", "render": "bar"}, …]} — ordre respecté,6 * clés inconnues ignorées, aucune clé valide → 400.7 */8import { type NextRequest, NextResponse } from "next/server";9import { buildCustomReport, reportFilename, type CustomSpec } from "@/lib/report-stats";1011export async function POST(req: NextRequest) {12  let spec: CustomSpec;13  try {14    spec = (await req.json()) as CustomSpec;15  } catch {16    return NextResponse.json({ error: "Corps JSON invalide" }, { status: 400 });17  }18  try {19    const pdf = await buildCustomReport(spec ?? {});20    return new NextResponse(new Uint8Array(pdf), {21      headers: {22        "Content-Type": "application/pdf",23        "Content-Disposition": `attachment; filename="${reportFilename("personnalise")}"`,24      },25    });26  } catch (e) {27    if (e instanceof Error && e.message === "aucun-bloc") {28      return NextResponse.json({ error: "Aucun bloc valide dans la composition" }, { status: 400 });29    }30    throw e;31  }32}33