33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
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/**
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* /api/graph/seed — initial node set + internal edges for the force-directed graph view.
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*
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* GET /api/graph/seed?limit=80&min_weight=2&classes=person,organization
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*/
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import { NextRequest } from "next/server";
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import { getGraphSeed } from "@/lib/retrieval/graph";
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export const runtime = "nodejs";
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export const dynamic = "force-dynamic";
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function json(data: unknown, status = 200) {
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return new Response(JSON.stringify(data), {
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status,
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headers: { "content-type": "application/json" },
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});
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}
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export async function GET(req: NextRequest) {
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const u = new URL(req.url);
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const limit = Math.min(Number(u.searchParams.get("limit") ?? 80), 300);
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const minWeight = Number(u.searchParams.get("min_weight") ?? 2);
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const classesParam = u.searchParams.get("classes");
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const classes = classesParam ? classesParam.split(",").filter(Boolean) : undefined;
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try {
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const { nodes, links } = await getGraphSeed({ limit, minWeight, classes });
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return json({ nodes, links, total: nodes.length });
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} catch (e) {
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return json({ error: "graph_unavailable", message: (e as Error).message }, 503);
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}
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}
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