fix: add challenge completion timestamp (#52)

Signed-off-by: Rakib Ansary <rakibansary@topcoder.com>

Author: rakibansary

src/util/DateUtil.ts

@@ -1,19 +1,20 @@
 import dayjs from "dayjs";
 import utc from "dayjs/plugin/utc";
+
 import timezone from "dayjs/plugin/timezone";
+import advanced from "dayjs/plugin/advancedFormat";
 
 dayjs.extend(utc);
 dayjs.extend(timezone);
+dayjs.extend(advanced);
 
 export const IFX_TIMEZONE = "America/New_York";
-export const dateFormatIfx = "YYYY-MM-DD HH:mm:ss";
+export const IFX_DATE_FORMAT = "YYYY-MM-DD HH:mm:ss";
 
 class DateUtil {
-  public formatDateForIfx(date: string): string | undefined {
+  public formatDateForIfx(date: string, format: string = IFX_DATE_FORMAT): string | undefined {
     const parsedDate = dayjs(date);
-    return parsedDate.isValid()
-      ? parsedDate.tz(IFX_TIMEZONE).format(dateFormatIfx)
-      : undefined;
+    return parsedDate.isValid() ? parsedDate.tz(IFX_TIMEZONE).format(format) : undefined;
   }
 
   public isValidDate(date: string) {

src/util/LegacyMapper.ts

@@ -23,6 +23,7 @@ import {
 } from "@topcoder-framework/domain-acl";
 import { getRequest } from "../api/v5Api";
 import m2mToken from "../helpers/MachineToMachineToken";
+import DateUtil from "./DateUtil";
 
 class LegacyMapper {
   // To be used on challenge:update calls that change state from New -> Draft
@@ -243,6 +244,9 @@ class LegacyMapper {
     if (input.billing?.billingAccountId != null) {
       projectInfo[32] = input.billing?.billingAccountId!.toString();
     }
+    if (input.status === ChallengeStatuses.Completed) {
+      projectInfo[21] = DateUtil.formatDateForIfx(new Date().toISOString(), "MM.DD.YYYY HH:mm z")!; // project_info 21 is Completion Timestamp; and it has a different date format
+    }
 
     const map = {
       ...projectInfo,