Refactoring

apps/api/src/app/account/account.controller.ts

@@ -190,54 +190,46 @@ export class AccountController {
       this.request.user.id
     );
 
-    const currentAccountIds = accountsOfUser.map(({ id }) => {
-      return id;
+    const accountFrom = accountsOfUser.find(({ id }) => {
+      return id === accountIdFrom;
     });
 
-    const fromAccountBalance = accountsOfUser.find(
-      (account) => account.id === accountIdFrom
-    ).balance;
+    const accountTo = accountsOfUser.find(({ id }) => {
+      return id === accountIdTo;
+    });
 
-    if (fromAccountBalance < balance) {
+    if (!accountFrom || !accountTo) {
       throw new HttpException(
-        getReasonPhrase(StatusCodes.BAD_REQUEST),
-        StatusCodes.BAD_REQUEST
+        getReasonPhrase(StatusCodes.NOT_FOUND),
+        StatusCodes.NOT_FOUND
       );
     }
 
-    if (accountIdFrom === accountIdTo) {
+    if (accountFrom.id === accountTo.id) {
       throw new HttpException(
         getReasonPhrase(StatusCodes.BAD_REQUEST),
         StatusCodes.BAD_REQUEST
       );
     }
 
-    if (
-      ![accountIdFrom, accountIdTo].every((accountId) => {
-        return currentAccountIds.includes(accountId);
-      })
-    ) {
+    if (accountFrom.balance < balance) {
       throw new HttpException(
-        getReasonPhrase(StatusCodes.NOT_FOUND),
-        StatusCodes.NOT_FOUND
+        getReasonPhrase(StatusCodes.BAD_REQUEST),
+        StatusCodes.BAD_REQUEST
       );
     }
 
-    const { currency } = accountsOfUser.find(({ id }) => {
-      return id === accountIdFrom;
-    });
-
     await this.accountService.updateAccountBalance({
-      currency,
-      accountId: accountIdFrom,
+      accountId: accountFrom.id,
       amount: -balance,
+      currency: accountFrom.currency,
       userId: this.request.user.id
     });
 
     await this.accountService.updateAccountBalance({
-      currency,
-      accountId: accountIdTo,
+      accountId: accountTo.id,
       amount: balance,
+      currency: accountFrom.currency,
       userId: this.request.user.id
     });
   }

apps/client/src/app/components/accounts-table/accounts-table.component.html

@@ -2,6 +2,7 @@
   <button
     class="align-items-center d-flex"
     mat-stroked-button
+    [disabled]="dataSource?.data.length < 2"
     (click)="onTransferBalance()"
   >
     <ion-icon class="mr-2" name="arrow-redo-outline"></ion-icon>

apps/client/src/app/pages/accounts/accounts-page.component.ts

@@ -13,8 +13,8 @@ import { User } from '@ghostfolio/common/interfaces';
 import { hasPermission, permissions } from '@ghostfolio/common/permissions';
 import { Account as AccountModel } from '@prisma/client';
 import { DeviceDetectorService } from 'ngx-device-detector';
-import { Subject, Subscription } from 'rxjs';
-import { takeUntil } from 'rxjs/operators';
+import { EMPTY, Subject, Subscription } from 'rxjs';
+import { catchError, takeUntil } from 'rxjs/operators';
 
 import { CreateOrUpdateAccountDialog } from './create-or-update-account-dialog/create-or-update-account-dialog.component';
 import { TransferBalanceDialog } from './transfer-balance/transfer-balance-dialog.component';
@@ -300,7 +300,14 @@ export class AccountsPageComponent implements OnDestroy, OnInit {
               accountIdTo,
               balance
             })
-            .pipe(takeUntil(this.unsubscribeSubject))
+            .pipe(
+              catchError(() => {
+                alert($localize`Oops, transfer cash balance has failed.`);
+
+                return EMPTY;
+              }),
+              takeUntil(this.unsubscribeSubject)
+            )
             .subscribe(() => {
               this.fetchAccounts();
             });