refactor: refactor future event list

src/tbank/tbank.client.ts

@@ -45,6 +45,11 @@ export type TbankPortfolio = {
 };
 export type TbankPositions = { money?: TbankMoney[] };
 export type TbankInstrument = { ticker?: string; name?: string; isin?: string };
+export type TbankDividend = {
+  dividendNet?: TbankMoney;
+  recordDate?: TbankTimestamp;
+  dividendType?: string;
+};
 export type TbankTimestamp = { seconds?: string | number; nanos?: number };
 export type TbankOperationItem = {
   cursor?: string;
@@ -229,6 +234,21 @@ export class TbankClient {
     );
   }
 
+  getDividends(
+    token: string,
+    instrumentId: string,
+    from: string,
+    to: string,
+  ): Promise<TbankDividend[]> {
+    return this.call(token, this.instruments, 'getDividends', {
+      instrumentId,
+      from: { seconds: String(utcSeconds(from)) },
+      to: { seconds: String(utcSeconds(to)) },
+    }).then(
+      (response: { dividends?: TbankDividend[] }) => response.dividends ?? [],
+    );
+  }
+
   private async call<Response>(
     token: string,
     client: TbankClientService,
@@ -307,3 +327,7 @@ export class TbankClient {
     });
   }
 }
+
+function utcSeconds(date: string): number {
+  return Math.floor(Date.parse(`${date}T00:00:00Z`) / 1000);
+}