Bugfix/filter currencies with null value (#579)

* Filter currencies with null value

* Update changelog

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Filtered potential `null` currencies
+
 ## 1.94.0 - 25.12.2021
 
 ### Added

apps/api/src/services/exchange-rate-data.service.ts

@@ -157,7 +157,12 @@ export class ExchangeRateDataService {
       await this.prismaService.account.findMany({
         distinct: ['currency'],
         orderBy: [{ currency: 'asc' }],
-        select: { currency: true }
+        select: { currency: true },
+        where: {
+          currency: {
+            not: null
+          }
+        }
       })
     ).forEach((account) => {
       currencies.push(account.currency);
@@ -167,7 +172,12 @@ export class ExchangeRateDataService {
       await this.prismaService.settings.findMany({
         distinct: ['currency'],
         orderBy: [{ currency: 'asc' }],
-        select: { currency: true }
+        select: { currency: true },
+        where: {
+          currency: {
+            not: null
+          }
+        }
       })
     ).forEach((userSettings) => {
       currencies.push(userSettings.currency);
@@ -177,7 +187,12 @@ export class ExchangeRateDataService {
       await this.prismaService.symbolProfile.findMany({
         distinct: ['currency'],
         orderBy: [{ currency: 'asc' }],
-        select: { currency: true }
+        select: { currency: true },
+        where: {
+          currency: {
+            not: null
+          }
+        }
       })
     ).forEach((symbolProfile) => {
       currencies.push(symbolProfile.currency);