Bugfix/fix issue with import of activities with type FEE (#4187)

* Fix import of activity with type FEE

* Update changelog

CHANGELOG.md

@@ -20,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue with the import of activities with type `FEE` (where unit price is `0`)
 - Fixed an issue with the renaming of activities with type `FEE`, `INTEREST`, `ITEM` or `LIABILITY`
 - Handled an exception in the scraper configuration introduced by the migration from `got` to `fetch`
 

apps/api/src/app/import/import.service.ts

@@ -30,7 +30,7 @@ import { Injectable } from '@nestjs/common';
 import { DataSource, Prisma, SymbolProfile } from '@prisma/client';
 import { Big } from 'big.js';
 import { endOfToday, format, isAfter, isSameSecond, parseISO } from 'date-fns';
-import { uniqBy } from 'lodash';
+import { isNumber, uniqBy } from 'lodash';
 import { v4 as uuidv4 } from 'uuid';
 
 @Injectable()
@@ -328,7 +328,7 @@ export class ImportService {
           date
         );
 
-        if (!unitPrice) {
+        if (!isNumber(unitPrice)) {
           throw new Error(
             `activities.${index} historical exchange rate at ${format(
               date,