jason
88 lines
2.9 KiB
TypeScript
88 lines
2.9 KiB
TypeScript
import { type NextRequest } from "next/server";
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import { prisma } from "@/lib/prisma";
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import { ok, errorResponse, requireRole, parseJson, ApiError } from "@/lib/api";
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import { ReorderOperationsSchema } from "@/lib/schemas";
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import { audit } from "@/lib/audit";
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import { clientIp } from "@/lib/request";
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/**
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* Resequence the operations on a part. Body: { order: [opId, opId, ...] }
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* The list must contain every operation currently on the part, in the
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* desired top-to-bottom order. Uses a two-phase update to stay inside the
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* (partId, sequence) unique constraint.
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*/
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export async function POST(req: NextRequest, ctx: { params: Promise<{ id: string }> }) {
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try {
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const actor = await requireRole("admin");
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const { id: partId } = await ctx.params;
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const { order } = await parseJson(req, ReorderOperationsSchema);
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const existing = await prisma.operation.findMany({
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where: { partId },
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select: { id: true, sequence: true, status: true },
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orderBy: { sequence: "asc" },
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});
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if (existing.length === 0) throw new ApiError(404, "not_found", "No operations on this part");
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if (order.length !== existing.length) {
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throw new ApiError(
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400,
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"incomplete_order",
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"Order must list every operation on this part exactly once",
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);
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}
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const ids = new Set(existing.map((o) => o.id));
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const seen = new Set<string>();
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for (const id of order) {
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if (!ids.has(id)) throw new ApiError(400, "unknown_op", `Operation ${id} is not on this part`);
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if (seen.has(id)) throw new ApiError(400, "duplicate_op", `Operation ${id} listed twice`);
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seen.add(id);
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}
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// Refuse if any non-pending op would land at a different sequence number.
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const byId = new Map(existing.map((o) => [o.id, o]));
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for (let i = 0; i < order.length; i++) {
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const target = i + 1;
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const op = byId.get(order[i])!;
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if (op.sequence !== target && op.status !== "pending") {
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throw new ApiError(
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409,
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"op_not_pending",
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`Cannot move operation ${op.id} — it is already ${op.status}`,
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);
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}
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}
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await prisma.$transaction(async (tx) => {
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// Phase 1: park every row at a negative sequence to clear the unique slot.
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for (let i = 0; i < order.length; i++) {
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await tx.operation.update({
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where: { id: order[i] },
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data: { sequence: -(i + 1) },
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});
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}
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// Phase 2: write the final sequence values.
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for (let i = 0; i < order.length; i++) {
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await tx.operation.update({
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where: { id: order[i] },
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data: { sequence: i + 1 },
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});
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}
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});
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await audit({
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actorId: actor.id,
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action: "reorder",
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entity: "Part",
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entityId: partId,
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before: existing,
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after: order.map((id, i) => ({ id, sequence: i + 1 })),
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ipAddress: clientIp(req),
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});
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return ok({ ok: true });
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} catch (err) {
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return errorResponse(err);
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}
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}
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