add blame in claim details plus auto expert decision bug fixed

2026-04-19 11:57:18 +03:30
parent c5b2d7b520
commit 08a4d754c1
5 changed files with 393 additions and 8 deletions
--- a/src/helpers/blame-party-agreement-decision.ts
+++ b/src/helpers/blame-party-agreement-decision.ts
@@ -0,0 +1,149 @@
+import { Types } from "mongoose";
+import { BlameRequestType } from "src/Types&Enums/blame-request-management/blameRequestType.enum";
+import { BlameStatus } from "src/Types&Enums/blame-request-management/blameStatus.enum";
+import { PartyRole } from "src/request-management/entities/schema/partyRole.enum";
+
+/** Default accident taxonomy when guilt is established by mutual party agreement (no field-expert decision). */
+export const MUTUAL_AGREEMENT_EXPERT_DECISION_FIELDS = {
+  accidentWay: { id: 8, label: "جلو به عقب" },
+  accidentReason: {
+    id: 1,
+    fanavaran: 1,
+    label:
+      "عدم رعايت فاصله مناسب با وسيله نقليه و يا عدم توجه به جلو",
+  },
+  accidentType: {
+    id: 1,
+    label: "برخورد یک وسیله نقلیه با یک وسیله نقلیه",
+  },
+} as const;
+
+export type MutualAgreementDecisionPayload = {
+  guiltyPartyId: Types.ObjectId;
+  description: string;
+  decidedAt: Date;
+  decidedByExpertId?: Types.ObjectId;
+  fields: typeof MUTUAL_AGREEMENT_EXPERT_DECISION_FIELDS;
+};
+
+function partyPhone(p: { person?: { phoneNumber?: string } } | undefined): string {
+  return (p?.person?.phoneNumber || "").trim();
+}
+
+function partyUserId(
+  p: { person?: { userId?: Types.ObjectId } } | undefined,
+): Types.ObjectId | null {
+  const id = p?.person?.userId;
+  if (!id) return null;
+  return id instanceof Types.ObjectId ? id : new Types.ObjectId(String(id));
+}
+
+/**
+ * When the first party chose AGREED (guilty or damaged) and the second party exists,
+ * derive the guilty party and build the synthetic expert.decision payload.
+ * Does not set decidedByExpertId — this is not a field-expert adjudication.
+ */
+export function buildMutualAgreementExpertDecision(
+  doc: Record<string, unknown>,
+): MutualAgreementDecisionPayload | null {
+  if (doc.type !== BlameRequestType.THIRD_PARTY) return null;
+  if (doc.blameStatus !== BlameStatus.AGREED) return null;
+
+  const parties = (doc.parties ?? []) as Array<{
+    role?: string;
+    person?: { userId?: Types.ObjectId; phoneNumber?: string };
+    statement?: {
+      admitsGuilt?: boolean;
+      claimsDamage?: boolean;
+      acceptsExpertOpinion?: boolean;
+    };
+  }>;
+
+  const first = parties.find((p) => p.role === PartyRole.FIRST);
+  const second = parties.find((p) => p.role === PartyRole.SECOND);
+  if (!first || !second) return null;
+
+  const st = first.statement;
+  if (!st) return null;
+  if (st.acceptsExpertOpinion) return null;
+
+  const admits = !!st.admitsGuilt;
+  const claims = !!st.claimsDamage;
+  if (admits === claims) return null;
+
+  let guiltyParty: typeof first;
+  let damagedParty: typeof first;
+  if (admits) {
+    guiltyParty = first;
+    damagedParty = second;
+  } else {
+    guiltyParty = second;
+    damagedParty = first;
+  }
+
+  const guiltyId = partyUserId(guiltyParty);
+  if (!guiltyId) return null;
+
+  const gPhone = partyPhone(guiltyParty);
+  const dPhone = partyPhone(damagedParty);
+  if (!gPhone || !dPhone) return null;
+
+  const description = `با توافق طرفین مقصر و زیان دیده مشخص شد. کاربر ${gPhone} مقصر و کاربر ${dPhone} زیان دیده می باشد.`;
+
+  return {
+    guiltyPartyId: guiltyId,
+    description,
+    decidedAt: new Date(),
+    fields: MUTUAL_AGREEMENT_EXPERT_DECISION_FIELDS,
+  };
+}
+
+/**
+ * Merge complementary statement flags onto the second party for expert/claim UIs when
+ * only the first party submitted a formal confession (V2 remote flow).
+ */
+export function enrichBlamePartiesForAgreementView(
+  doc: Record<string, unknown>,
+): Array<Record<string, unknown>> {
+  const parties = (doc.parties ?? []) as Array<Record<string, unknown>>;
+  if (!Array.isArray(parties) || parties.length === 0) return parties;
+
+  const first = parties.find((p) => p.role === PartyRole.FIRST) as
+    | {
+        statement?: Record<string, unknown>;
+      }
+    | undefined;
+  const secondIdx = parties.findIndex((p) => p.role === PartyRole.SECOND);
+  if (!first?.statement || secondIdx === -1) return parties;
+
+  if (doc.blameStatus !== BlameStatus.AGREED) return parties;
+
+  const st = first.statement as {
+    admitsGuilt?: boolean;
+    claimsDamage?: boolean;
+    acceptsExpertOpinion?: boolean;
+  };
+  if (st.acceptsExpertOpinion) return parties;
+
+  const admits = !!st.admitsGuilt;
+  const claims = !!st.claimsDamage;
+  if (admits === claims) return parties;
+
+  const second = parties[secondIdx] as {
+    statement?: Record<string, unknown>;
+  };
+  const prev = (second.statement ?? {}) as Record<string, unknown>;
+  const mergedStatement = {
+    ...prev,
+    admitsGuilt: admits ? false : true,
+    claimsDamage: admits ? true : false,
+    acceptsExpertOpinion: false,
+  };
+
+  const next = [...parties];
+  next[secondIdx] = {
+    ...second,
+    statement: mergedStatement,
+  };
+  return next;
+}