feat: group all-account rows by instrument and day (WealthLedger/main#47) (#126)

src/entities/broker-operation/model/display.ts

@@ -1,4 +1,4 @@
-import { formatMoney } from "@/shared/lib";
+import { formatMoney, formatSnapshotDay } from "@/shared/lib";
 
 import type { BrokerageOperation } from "../api/useBrokerageOperations";
 
@@ -27,6 +27,19 @@ type PaymentPresentation = {
 		| "positive";
 };
 
+function brokerageOperationGroupKey(
+	operation: BrokerageOperation,
+): null | string {
+	const identity = operation.instrumentUid || operation.figi;
+	if (!identity) return null;
+
+	return JSON.stringify([
+		formatSnapshotDay(operation.occurredAt),
+		identity,
+		operation.type,
+	]);
+}
+
 function entryLabelKey(operation: BrokerageOperation): string {
 	if (operation.category === "income")
 		return isOperationType(operation.type, OperationType.Coupon)
@@ -115,4 +128,11 @@ function paymentPresentation(
 	};
 }
 
-export { isIncomePayment, operationLabelKey, paymentPresentation };
+export {
+	brokerageOperationGroupKey,
+	entryLabelKey,
+	isIncomePayment,
+	isZeroDecimal,
+	operationLabelKey,
+	paymentPresentation,
+};