YARA-885

src/helpers/expert-portfolio.ts

@@ -0,0 +1,113 @@
+import { Types } from "mongoose";
+import { ExpertFileActivityType } from "src/users/entities/schema/expert-file-activity.schema";
+import {
+  blameCaseAccessibleToExpert,
+  claimCaseTouchesClient,
+} from "src/helpers/tenant-scope";
+
+export interface ExpertFileActivityEventRow {
+  fileId: Types.ObjectId | string;
+  eventType: ExpertFileActivityType;
+  occurredAt: Date;
+}
+
+/**
+ * Distinct file ids where the expert is actively checking (CHECKED, not UNCHECKED)
+ * or has handled the file (HANDLED), replayed in chronological order.
+ */
+export function expertPortfolioFileIdsFromActivityEvents(
+  events: ExpertFileActivityEventRow[],
+): Set<string> {
+  const sorted = [...events].sort(
+    (a, b) =>
+      a.occurredAt.getTime() - b.occurredAt.getTime() ||
+      String(a.fileId).localeCompare(String(b.fileId)),
+  );
+  const stateByFile = new Map<string, { checked: boolean; handled: boolean }>();
+
+  for (const e of sorted) {
+    const fid = String(e.fileId);
+    const prev = stateByFile.get(fid) ?? { checked: false, handled: false };
+    if (e.eventType === ExpertFileActivityType.CHECKED) {
+      if (!prev.handled) prev.checked = true;
+    } else if (e.eventType === ExpertFileActivityType.UNCHECKED) {
+      prev.checked = false;
+    } else if (e.eventType === ExpertFileActivityType.HANDLED) {
+      prev.handled = true;
+      prev.checked = false;
+    }
+    stateByFile.set(fid, prev);
+  }
+
+  const ids = new Set<string>();
+  for (const [fid, st] of stateByFile) {
+    if (st.handled || st.checked) ids.add(fid);
+  }
+  return ids;
+}
+
+export function objectIdsFromStringSet(ids: Set<string>): Types.ObjectId[] {
+  return [...ids]
+    .filter((id) => Types.ObjectId.isValid(id))
+    .map((id) => new Types.ObjectId(id));
+}
+
+/** Damage-expert claim portfolio: assigned (lock/check) or substantive work on the file. */
+export function claimDocInExpertPortfolio(
+  doc: Record<string, unknown>,
+  expertId: string,
+  activityFileIds: Set<string>,
+  clientKey: string,
+): boolean {
+  if (!claimCaseTouchesClient(doc, clientKey)) return false;
+  const id = String(doc._id ?? "");
+  if (activityFileIds.has(id)) return true;
+
+  const lockedBy = (doc.workflow as { lockedBy?: { actorId?: unknown } } | undefined)
+    ?.lockedBy?.actorId;
+  if (lockedBy != null && String(lockedBy) === String(expertId)) return true;
+
+  const evaluation = doc.evaluation as Record<string, unknown> | undefined;
+  for (const key of ["damageExpertReply", "damageExpertReplyFinal"] as const) {
+    const reply = evaluation?.[key] as
+      | { actorDetail?: { actorId?: unknown } }
+      | undefined;
+    const actorId = reply?.actorDetail?.actorId;
+    if (actorId != null && String(actorId) === String(expertId)) return true;
+  }
+  const resendBy = (
+    evaluation?.damageExpertResend as { requestedByExpertId?: unknown } | undefined
+  )?.requestedByExpertId;
+  if (resendBy != null && String(resendBy) === String(expertId)) return true;
+  return false;
+}
+
+/** Field-expert blame portfolio: initiated, decided, locked, or file-activity touch. */
+export function blameDocInExpertPortfolio(
+  doc: Record<string, unknown>,
+  actor: { sub: string; clientKey?: string },
+  activityFileIds: Set<string>,
+): boolean {
+  if (!blameCaseAccessibleToExpert(doc, actor)) return false;
+  const expertId = String(actor.sub);
+  const id = String(doc._id ?? "");
+  if (activityFileIds.has(id)) return true;
+
+  if (doc.expertInitiated && doc.initiatedByFieldExpertId) {
+    return String(doc.initiatedByFieldExpertId) === expertId;
+  }
+
+  const expert = doc.expert as Record<string, unknown> | undefined;
+  const decidedBy = (expert?.decision as { decidedByExpertId?: unknown } | undefined)
+    ?.decidedByExpertId;
+  if (decidedBy != null && String(decidedBy) === expertId) return true;
+
+  const lockedBy =
+    (expert?.resend as { requestedByExpertId?: unknown } | undefined)
+      ?.requestedByExpertId ??
+    (doc.workflow as { lockedBy?: { actorId?: unknown } } | undefined)?.lockedBy
+      ?.actorId;
+  if (lockedBy != null && String(lockedBy) === expertId) return true;
+
+  return false;
+}