Replace classes with interfaces in action.

src/alpaca/actions.ts

@@ -1,5 +1,5 @@
 import Alpaca from '@alpacahq/alpaca-trade-api';
-import { Action, ActionSide, ActionFetchOptions, ActionFetchResponse, ActionDateType } from '../interface/actions';
+import { ActionSide, ActionFetchOptions, ActionFetchResponse, ActionDateType } from '../interface/actions';
 
 interface AlpacaActivity {
     id: string;
@@ -29,20 +29,20 @@ export class AlpacaActionProvider {
             pageSize: options.pageSize,
             pageToken: undefined,
         }) as Promise<AlpacaActivity[]>).then((activities) => {
-            return new ActionFetchResponse(
-                activities
+            return {
+                actions: activities
                 .filter((activity) => activity.order_status === "filled")
                 .map((activity) => {
-                    return new Action(
-                        activity.symbol,
-                        parseInt(activity.qty, 10),
-                        activity.side === "buy" ? ActionSide.Buy : ActionSide.Sell,
-                        parseFloat(activity.price),
-                        new Date(activity.transaction_time),
-                    );
+                    return {
+                        symbol: activity.symbol,
+                        quantity: parseInt(activity.qty, 10),
+                        side: activity.side === "buy" ? ActionSide.Buy : ActionSide.Sell,
+                        pricePerShare: parseFloat(activity.price),
+                        timestamp: new Date(activity.transaction_time),
+                    };
                 }),
-                undefined
-            );
+                fetchNextPage: undefined
+            };
         }).catch((err) => {
             return err;
         });

src/interface/actions.ts

@@ -9,7 +9,8 @@ export const enum ActionSide {
 /**
  * Represents an action taken on a stock, such as a buy or sell order.
  */
-export class Action {
+export interface Action {
+
     /**
      * The symbol of the asset being traded.
      */
@@ -34,23 +35,6 @@ export class Action {
      * The timestamp of the action
      */
     readonly timestamp: Date;
-
-    /**
-     * Represents a user Action.
-     * @constructor
-     * @param {string} symbol - The symbol of the asset being traded.
-     * @param {number} quantity - The quantity of the asset being traded.
-     * @param {ActionSide} side - The side of the trade (buy or sell).
-     * @param {number} pricePerShare - The price per share of the asset being traded.
-     * @param {Date} timestamp - The timestamp of the action.
-     */
-    constructor(symbol: string, quantity: number, side: ActionSide, pricePerShare: number, timestamp: Date) {
-        this.symbol = symbol;
-        this.quantity = quantity;
-        this.side = side;
-        this.pricePerShare = pricePerShare;
-        this.timestamp = timestamp;
-    }
 }
 
 /**
@@ -66,7 +50,8 @@ export const enum ActionDateType {
 /**
  * Represents options for a date filter in an action fetch.
  */
-export class ActionDateOptions {
+export interface ActionDateOptions {
+
     /**
      * The date to filter on.
      */
@@ -76,22 +61,13 @@ export class ActionDateOptions {
      * The type of date filter to use.
      */
     readonly dateType: ActionDateType;
-
-    /**
-     * Creates a new ActionDateOptions instance.
-     * @param date The date to filter on.
-     * @param dateType The type of date filter to use.
-     */
-    constructor(date: Date, dateType: ActionDateType) {
-        this.date = date;
-        this.dateType = dateType;
-    }
 }
 
 /**
  * Represents the options for fetching actions.
  */
-export class ActionFetchOptions {
+export interface ActionFetchOptions {
+
     /**
      * The number of items to fetch per page.
      */
@@ -101,23 +77,13 @@ export class ActionFetchOptions {
      * The date options for filtering actions.
      */
     readonly dateOptions?: ActionDateOptions;
-
-    /**
-     * Creates a set of options for an Action fetch.
-     * @constructor
-     * @param pageSize - The size of the page if paging is desired.
-     * @param dateOptions - The options for Date filtering.
-     */
-    constructor(pageSize?: number, dateOptions?: ActionDateOptions) {
-        this.pageSize = pageSize;
-        this.dateOptions = dateOptions;
-    }
 }
 
 /**
  * Represents the response of a fetch action request.
  */
-export class ActionFetchResponse {
+export interface ActionFetchResponse {
+
     /**
      * An array of `Action` objects.
      */
@@ -128,17 +94,6 @@ export class ActionFetchResponse {
      * Returns a promise that resolves to an `ActionFetchResponse` object.
      */
     readonly fetchNextPage?: () => Promise<ActionFetchResponse>;
-
-    /**
-     * Creates an instance of the Actions class.
-     * @constructor
-     * @param actions The list of actions.
-     * @param fetchNextPage A function that fetches the next page of actions.
-     */
-    constructor(actions: Action[], fetchNextPage?: () => Promise<ActionFetchResponse>) {
-        this.actions = actions;
-        this.fetchNextPage = fetchNextPage;
-    }
 }
 
 /**

test/alpaca.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, test } from '@jest/globals';
 import 'dotenv/config';
-import { ActionDateOptions, ActionDateType, ActionFetchOptions, AlpacaExchange } from '../src/index';
+import { ActionDateType, AlpacaExchange } from '../src/index';
 import { createLogger, transports, format } from "winston";
 
 const timeout = 10000;
@@ -39,9 +39,15 @@ describe('Alpaca Tests', () => {
     expect(process.env.ALPACA_SECRET_KEY).toBeDefined();
     const exchange = new AlpacaExchange(process.env.ALPACA_API_KEY!, process.env.ALPACA_SECRET_KEY!, true);
 
-    const fetchOptions = new ActionFetchOptions(undefined, new ActionDateOptions(new Date("2023-10-23T13:30:28.163Z"), ActionDateType.On));
+    const date = new Date("2023-10-23T13:30:28.163Z");
 
-    const response = await exchange.actionProvider.fetchActions(fetchOptions);
+    const response = await exchange.actionProvider.fetchActions({
+      pageSize: undefined,
+      dateOptions: {
+        date: date,
+        dateType: ActionDateType.On
+      }
+    });
 
     expect(response).toBeDefined();
 
@@ -55,9 +61,9 @@ describe('Alpaca Tests', () => {
       expect(action.pricePerShare).toBeDefined();
 
       expect(action.timestamp).toBeDefined();
-      expect(action.timestamp.getFullYear()).toBe(2023);
-      expect(action.timestamp.getMonth()).toBe(9);
-      expect(action.timestamp.getDate()).toBe(23);
+      expect(action.timestamp.getFullYear()).toBe(date.getFullYear());
+      expect(action.timestamp.getMonth()).toBe(date.getMonth());
+      expect(action.timestamp.getDate()).toBe(date.getDate());
     }
   }, timeout);
 });