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import { edcClient, EDC_CONTEXT } from "@/lib/edc";
import { requireAuth, isAuthError } from "@/lib/auth-guard";
import { promises as fs } from "fs";
import path from "path";
export const dynamic = "force-dynamic";
interface ParticipantAssets {
participantId: string;
identity: string;
assets: Record<string, unknown>[];
}
/**
* Normalise an asset object returned by the EDC-V v5alpha Management API.
*
* v5alpha nests properties under a `properties` sub-object:
* { properties: { name, description, contenttype, ... } }
*
* Older EDC versions (v3) used `edc:name`, `edc:description`, etc. at the top
* level. Many UI components still read the `edc:*` form, so we promote both
* plain *and* `edc:*` fields for maximum compatibility.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function normaliseAsset(raw: any): Record<string, unknown> {
const props = raw?.properties ?? {};
return {
...raw,
// Plain names (preferred going forward)
name: props.name ?? raw["edc:name"] ?? raw["@id"],
description: props.description ?? raw["edc:description"] ?? "",
contenttype: props.contenttype ?? raw["edc:contenttype"] ?? "",
// Legacy edc:* names (consumed by existing pages)
"edc:name": props.name ?? raw["edc:name"] ?? raw["@id"],
"edc:description": props.description ?? raw["edc:description"] ?? "",
"edc:contenttype": props.contenttype ?? raw["edc:contenttype"] ?? "",
};
}
/** Load demo assets from the bundled mock JSON file. */
async function loadMockAssets(): Promise<ParticipantAssets[]> {
try {
const mockPath = path.join(process.cwd(), "public", "mock", "assets.json");
const raw = await fs.readFile(mockPath, "utf-8");
return JSON.parse(raw) as ParticipantAssets[];
} catch {
return [];
}
}
/**
* GET /api/assets — List data assets for a participant context.
* Query param: ?participantId=<ctx_id>
*
* POST /api/assets — Create a new data asset.
* Body: { participantId, assetId, name, description, contentType, dataAddress }
*/
export async function GET(req: NextRequest) {
const auth = await requireAuth();
Iif (isAuthError(auth)) return auth;
const participantId = req.nextUrl.searchParams.get("participantId");
try {
if (participantId) {
// List assets for a specific participant
const assets = await edcClient.management<Record<string, unknown>[]>(
`/v5alpha/participants/${participantId}/assets/request`,
"POST",
{
"@context": [EDC_CONTEXT],
"@type": "QuerySpec",
filterExpression: [],
},
);
return NextResponse.json((assets ?? []).map(normaliseAsset));
}
// List all participant contexts, then aggregate assets
const participants = await edcClient.management<
{ "@id": string; identity: string; state?: string }[]
>("/v5alpha/participants");
// Only include ACTIVATED participants — skip stale CREATED contexts
const active = (Array.isArray(participants) ? participants : []).filter(
(p) => (p.state ?? "ACTIVATED") === "ACTIVATED",
);
const allAssets: ParticipantAssets[] = [];
for (const p of active) {
try {
const assets = await edcClient.management<Record<string, unknown>[]>(
`/v5alpha/participants/${p["@id"]}/assets/request`,
"POST",
{
"@context": [EDC_CONTEXT],
"@type": "QuerySpec",
filterExpression: [],
},
);
allAssets.push({
participantId: p["@id"],
identity: p.identity,
assets: (assets ?? []).map(normaliseAsset),
});
} catch {
allAssets.push({
participantId: p["@id"],
identity: p.identity,
assets: [],
});
}
}
// Merge with demo assets so the discover page is always demonstrable
const mockAssets = await loadMockAssets();
const realIdentities = new Set(allAssets.map((a) => a.identity));
for (const mock of mockAssets) {
if (realIdentities.has(mock.identity)) {
// Merge mock assets into existing participant, dedup by @id
const real = allAssets.find((a) => a.identity === mock.identity)!;
const existingIds = new Set(real.assets.map((a) => a["@id"] as string));
for (const ma of mock.assets) {
if (!existingIds.has(ma["@id"] as string)) {
real.assets.push(ma);
}
}
} else {
allAssets.push(mock);
}
}
return NextResponse.json(allAssets);
} catch (err) {
console.warn("Controlplane assets unavailable, using demo data:", err);
// Fall back to mock data entirely
const mockAssets = await loadMockAssets();
return NextResponse.json(mockAssets);
}
}
export async function POST(req: NextRequest) {
const auth = await requireAuth();
Iif (isAuthError(auth)) return auth;
try {
const body = await req.json();
const {
participantId,
assetId,
name,
description,
contentType,
dataAddress,
} = body;
if (!participantId || !assetId || !name) {
return NextResponse.json(
{ error: "participantId, assetId, and name are required" },
{ status: 400 },
);
}
const assetPayload = {
"@context": [EDC_CONTEXT],
"@type": "Asset",
"@id": assetId,
properties: {
name,
description: description || "",
contenttype: contentType || "application/json",
version: "1.0.0",
},
dataAddress: dataAddress || {
"@type": "DataAddress",
type: "HttpData",
baseUrl: "http://neo4j-proxy:9090",
},
};
const result = await edcClient.management(
`/v5alpha/participants/${participantId}/assets`,
"POST",
assetPayload,
);
return NextResponse.json(result, { status: 201 });
} catch (err) {
console.error("Failed to create asset:", err);
return NextResponse.json(
{ error: "Failed to create asset" },
{ status: 502 },
);
}
}
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