Update CBS Mobile App codebase

src/modules/payments/utils/beneficiaryMapper.ts

@@ -0,0 +1,61 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+
+import type { Beneficiary } from '../../../types/app';
+import type { CbsBeneficiary } from '../../../types/cbs';
+
+const FAVORITES_KEY = 'bankcbs.beneficiaryFavorites';
+
+/**
+ * The API has no favourite flag — starring a payee is a local preference. Kept
+ * as a set of beneficiary ids in AsyncStorage: losing it costs the customer a
+ * tap, so it does not warrant the Keystore.
+ */
+export const favoriteStore = {
+  async read(): Promise<string[]> {
+    try {
+      const raw = await AsyncStorage.getItem(FAVORITES_KEY);
+      const parsed = raw ? JSON.parse(raw) : [];
+
+      return Array.isArray(parsed) ? parsed.filter((id): id is string => typeof id === 'string') : [];
+    } catch {
+      return [];
+    }
+  },
+
+  async write(ids: string[]) {
+    try {
+      await AsyncStorage.setItem(FAVORITES_KEY, JSON.stringify(ids));
+    } catch {
+      // A failed preference write is not worth surfacing to the customer.
+    }
+  },
+};
+
+/**
+ * Maps a payee as the bank returned it onto the shape the payments screens
+ * already read. `validate` leaves `beneficiaryId` null because nothing has been
+ * saved yet, so an unsaved payee gets a stable synthetic key from its routing
+ * details rather than a fresh one on every keystroke.
+ */
+export const toBeneficiary = (
+  source: CbsBeneficiary,
+  favorites: ReadonlySet<string> = new Set(),
+): Beneficiary => {
+  const id =
+    source.beneficiaryId ??
+    `draft:${source.mode}:${source.accountNumberMasked}:${source.mmid ?? source.ifsc ?? ''}`;
+
+  return {
+    id,
+    name: source.name,
+    bankName: source.bankName,
+    accountMasked: source.accountNumberMasked,
+    nickname: source.nickname ?? undefined,
+    favorite: favorites.has(id),
+    mode: source.mode,
+    ifsc: source.ifsc,
+    mobileNumber: source.mobileNumber,
+    mmid: source.mmid,
+    status: source.status,
+  };
+};