YARA-899

src/client/client.service.ts

@@ -7,6 +7,13 @@ import {
 } from "src/client/dto/create-client.dto";
 import { ClientDbService } from "./entities/db-service/client.db.service";
 
+/**
+ * System-wide default applied when a client document has no
+ * `settings.carBodyAccidentMaxAgeDays` value yet. Keep it conservative so the
+ * gate is enforced even for older / unconfigured clients.
+ */
+export const DEFAULT_CAR_BODY_ACCIDENT_MAX_AGE_DAYS = 7;
+
 @Injectable()
 export class ClientService {
   constructor(private readonly clientDbService: ClientDbService) {}
@@ -53,4 +60,34 @@ export class ClientService {
     const list = client.map((element) => new ClientLists(element));
     return list;
   }
+
+  /**
+   * Resolve the per-client CAR_BODY accident-age window (in days).
+   *
+   * Falls back to {@link DEFAULT_CAR_BODY_ACCIDENT_MAX_AGE_DAYS} when:
+   *   - no client id is supplied,
+   *   - the id is malformed,
+   *   - the client document is missing,
+   *   - the client has no `settings.carBodyAccidentMaxAgeDays` configured,
+   *   - or the configured value is not a positive finite number.
+   */
+  async getCarBodyAccidentMaxAgeDays(
+    clientId?: string | Types.ObjectId | null,
+  ): Promise<number> {
+    if (!clientId) return DEFAULT_CAR_BODY_ACCIDENT_MAX_AGE_DAYS;
+
+    const idString = String(clientId);
+    if (!Types.ObjectId.isValid(idString)) {
+      return DEFAULT_CAR_BODY_ACCIDENT_MAX_AGE_DAYS;
+    }
+
+    const client = await this.clientDbService.findOne({
+      _id: new Types.ObjectId(idString),
+    });
+    const configured = client?.settings?.carBodyAccidentMaxAgeDays;
+    if (typeof configured === "number" && Number.isFinite(configured) && configured > 0) {
+      return configured;
+    }
+    return DEFAULT_CAR_BODY_ACCIDENT_MAX_AGE_DAYS;
+  }
 }