refactor: simplify finance view models

src/features/instrument-details/index.ts

@@ -1,3 +1,4 @@
+export { toInstrumentEventRows } from "./model/operation-rows";
 export { section, type SectionState } from "./model/section";
 export { useInstrumentParameters } from "./model/useInstrumentParameters";
 export { InstrumentChart } from "./ui/InstrumentChart/InstrumentChart.view";

src/features/instrument-details/model/operation-rows.test.ts

@@ -0,0 +1,44 @@
+import { expect, it } from "vitest";
+
+import type { BrokerageOperation } from "@/entities/broker-operation";
+
+import { toInstrumentEventRows } from "./operation-rows";
+
+const operation: BrokerageOperation = {
+	accruedInterest: null,
+	category: "trade",
+	commission: null,
+	description: "Покупка",
+	figi: null,
+	id: "first",
+	instrumentType: "stock",
+	instrumentUid: "uid",
+	logoName: null,
+	occurredAt: "2026-01-01T00:00:00Z",
+	payment: null,
+	price: null,
+	quantity: null,
+	ticker: null,
+	type: "OPERATION_TYPE_BUY",
+};
+
+it("fills only missing identity without changing rows or their order", () => {
+	const items = [operation, {
+		...operation,
+		id: "second",
+		logoName: "",
+		ticker: "own",
+	}];
+
+	const original = structuredClone(items);
+	expect(toInstrumentEventRows(items, {
+		logoName: "fallback.png",
+		ticker: "fallback",
+	})).toEqual([
+		{ ...operation, logoName: "fallback.png", ticker: "fallback" },
+		items[1],
+	]);
+	expect(items).toEqual(original);
+	expect(toInstrumentEventRows(items)).toEqual(items);
+	expect(toInstrumentEventRows()).toEqual([]);
+});

src/features/instrument-details/model/operation-rows.ts

@@ -0,0 +1,14 @@
+import type { BrokerageOperation } from "@/entities/broker-operation";
+
+function toInstrumentEventRows(
+	items: BrokerageOperation[] = [],
+	instrument?: Pick<BrokerageOperation, "logoName" | "ticker">,
+): BrokerageOperation[] {
+	return items.map(item => ({
+		...item,
+		logoName: item.logoName ?? instrument?.logoName ?? null,
+		ticker: item.ticker ?? instrument?.ticker ?? null,
+	}));
+}
+
+export { toInstrumentEventRows };