ThreadCount Community edition

Uniform stock management for healthcare linen rooms: the coordinator app, the phone counter and the staff app, for your own server. Built from 2d04e45 on 2026-09-15. Licensed under the Functional Source License (FSL-1.1-ALv2).

components/settings/names.ts

@@ -0,0 +1,93 @@
+/* Audit targets to names.
+ *
+ * The trail stores record ids only (lib/audit.ts). Names are looked up here against the snapshot at
+ * read time, so the log never keeps a copy of the register. A target is the JSON the trail wrote
+ * ({"id":…,"staffId":…,"si":…}); anything else is treated as a bare id. */
+import { fmtDate, locMap, locPath, type Snapshot } from "@/lib/compute";
+
+export type RecordPart = { text: string; missing?: boolean };
+
+export type NameIndex = ReturnType<typeof buildNameIndex>;
+
+export function buildNameIndex(s: Snapshot) {
+  const by = <T extends { id: string }>(xs: T[]) => new Map(xs.map((x) => [x.id, x]));
+  return {
+    staff: by(s.staff), items: by(s.catalog), orders: by(s.orders), depts: by(s.depts), suppliers: by(s.supplierDir),
+    locations: locMap(s), users: by(s.users), issues: by(s.issues), approvals: by(s.approvals),
+    pickups: by(s.pickups), handins: by(s.handins), alterations: by(s.alterations), stocktakes: by(s.stocktakes),
+  };
+}
+
+function staffName(ix: NameIndex, id: string) {
+  const st = ix.staff.get(id);
+  return st ? `${st.first} ${st.last}${st.num ? ` (${st.num})` : ""}` : null;
+}
+function itemName(ix: NameIndex, id: string, si?: number) {
+  const it = ix.items.get(id);
+  if (!it) return null;
+  const size = si !== undefined ? it.sizes[si] : undefined;
+  return size ? `${it.item} · ${size}` : it.item;
+}
+
+/* Every kind a bare `id` might be, in the order the spec reads them. Kinds the snapshot holds in
+   full can say "removed" when an id is not there; windowed ones (uncollected pickups, recent hand-ins,
+   alterations and stock takes) cannot, so only the keyed ids for those kinds stay plain. */
+function byAnyId(ix: NameIndex, id: string, si?: number): string | null {
+  return staffName(ix, id)
+    ?? itemName(ix, id, si)
+    ?? ix.orders.get(id)?.code
+    ?? ix.depts.get(id)?.name
+    ?? ix.suppliers.get(id)?.name
+    ?? (ix.locations[id] ? locPath(ix.locations, id).map((l) => l.name).join(" · ") : null)
+    ?? (ix.users.get(id) ? `${ix.users.get(id)!.first} ${ix.users.get(id)!.last}` : null)
+    ?? issueName(ix, id)
+    ?? (ix.approvals.get(id) ? `Approval · ${staffName(ix, ix.approvals.get(id)!.staffId) ?? "removed person"}` : null)
+    ?? (ix.pickups.get(id) ? `${ix.pickups.get(id)!.orderCode} · ${staffName(ix, ix.pickups.get(id)!.staffId) ?? ""}`.replace(/ · $/, "") : null)
+    ?? (ix.handins.get(id) ? `Hand-in · ${staffName(ix, ix.handins.get(id)!.staffId) ?? "removed person"}` : null)
+    ?? (ix.alterations.get(id) ? `Alteration · ${staffName(ix, ix.alterations.get(id)!.staffId) ?? "removed person"}` : null)
+    ?? (ix.stocktakes.get(id) ? `Stock take ${fmtDate(ix.stocktakes.get(id)!.date)}` : null);
+}
+function issueName(ix: NameIndex, id: string) {
+  const is = ix.issues.get(id);
+  if (!is) return null;
+  return [staffName(ix, is.staffId), itemName(ix, is.itemId, is.si)].filter(Boolean).join(" · ") || "Issue";
+}
+
+/** The parts of the Record cell for one audit target. Empty when the event names no record. */
+export function recordParts(ix: NameIndex, target: string): RecordPart[] {
+  const t = (target || "").trim();
+  if (!t) return [];
+  let o: Record<string, unknown>;
+  try {
+    const parsed = JSON.parse(t);
+    o = parsed && typeof parsed === "object" ? parsed : { id: String(parsed) };
+  } catch { o = { id: t }; }
+  const si = typeof o.si === "number" ? o.si : undefined;
+  const str = (k: string) => (typeof o[k] === "string" && o[k] ? (o[k] as string) : null);
+  const parts: RecordPart[] = [];
+  const push = (name: string | null | undefined, id: string, canBeMissing = true) => {
+    if (name) { if (!parts.some((p) => p.text === name)) parts.push({ text: name }); return; }
+    parts.push({ text: canBeMissing ? `removed · ${id}` : id, missing: true });
+  };
+  let v: string | null;
+  if ((v = str("staffId"))) push(staffName(ix, v), v);
+  if ((v = str("subjectId"))) push(staffName(ix, v) ?? byAnyId(ix, v), v, false);
+  if ((v = str("itemId"))) push(itemName(ix, v, si), v);
+  if ((v = str("orderId"))) push(ix.orders.get(v)?.code, v);
+  if ((v = str("deptId"))) push(ix.depts.get(v)?.name, v);
+  if ((v = str("supplierId"))) push(ix.suppliers.get(v)?.name, v);
+  if ((v = str("locationId"))) push(ix.locations[v] ? locPath(ix.locations, v).map((l) => l.name).join(" · ") : null, v);
+  if ((v = str("userId"))) { const u = ix.users.get(v); push(u ? `${u.first} ${u.last}` : null, v); }
+  if ((v = str("issueId"))) push(issueName(ix, v), v);
+  if ((v = str("pickupId"))) { const p = ix.pickups.get(v); push(p ? p.orderCode : null, v, false); }
+  if ((v = str("stocktakeId"))) { const st = ix.stocktakes.get(v); push(st ? `Stock take ${fmtDate(st.date)}` : null, v, false); }
+  if ((v = str("id"))) {
+    const name = byAnyId(ix, v, str("itemId") ? undefined : si);
+    push(name, v, true);
+  }
+  return parts;
+}
+
+export function recordText(parts: RecordPart[]) {
+  return parts.map((p) => p.text).join(" · ");
+}