L2 Aufträge & Backoffice: Server Actions und /api/v1/work-orders

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/app/api/v1/work-orders/[id]/route.ts

@@ -0,0 +1,34 @@
+import { NextResponse, type NextRequest } from "next/server";
+import type { UpdateWorkOrderInput } from "@/lib/work-orders/schemas";
+import { computeCompletionBlockers } from "@/server/services/work-orders/completion";
+import { availableTransitions, getWorkOrderDetail } from "@/server/services/work-orders/detail";
+import { updateWorkOrder } from "@/server/services/work-orders/update";
+import { apiContext, apiError, optionalVersion, readJson } from "../_http";
+
+type Params = { params: Promise<{ id: string }> };
+
+/** GET /api/v1/work-orders/[id] — detail incl. transitions available to the caller and completion blockers. */
+export async function GET(_req: NextRequest, { params }: Params) {
+  try {
+    const { id } = await params;
+    const ctx = await apiContext();
+    const wo = await getWorkOrderDetail(ctx, id);
+    const [blockers] = await Promise.all([computeCompletionBlockers(ctx, id)]);
+    return NextResponse.json({ workOrder: wo, availableTransitions: availableTransitions(ctx, wo.status), completionBlockers: blockers });
+  } catch (err) {
+    return apiError(err);
+  }
+}
+
+/** PATCH /api/v1/work-orders/[id] — body: partial master data + optional baseVersion (409 on mismatch). */
+export async function PATCH(req: NextRequest, { params }: Params) {
+  try {
+    const { id } = await params;
+    const ctx = await apiContext();
+    const { baseVersion, ...patch } = await readJson(req);
+    const res = await updateWorkOrder(ctx, id, patch as UpdateWorkOrderInput, optionalVersion(baseVersion));
+    return NextResponse.json(res);
+  } catch (err) {
+    return apiError(err);
+  }
+}