Transfer cash balance between accounts (#2455)

* Transfer cash balance between accounts

* Update changelog

---------

Co-authored-by: Thomas <4159106+dtslvr@users.noreply.github.com>

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

@@ -29,6 +29,7 @@ import { StatusCodes, getReasonPhrase } from 'http-status-codes';
 
 import { AccountService } from './account.service';
 import { CreateAccountDto } from './create-account.dto';
+import { TransferBalanceDto } from './transfer-balance.dto';
 import { UpdateAccountDto } from './update-account.dto';
 
 @Controller('account')
@@ -154,6 +155,58 @@ export class AccountController {
     }
   }
 
+  @Post('transfer-balance')
+  @UseGuards(AuthGuard('jwt'))
+  public async transferAccountBalance(
+    @Body() { accountIdFrom, accountIdTo, balance }: TransferBalanceDto
+  ) {
+    if (
+      !hasPermission(this.request.user.permissions, permissions.updateAccount)
+    ) {
+      throw new HttpException(
+        getReasonPhrase(StatusCodes.FORBIDDEN),
+        StatusCodes.FORBIDDEN
+      );
+    }
+
+    const accountsOfUser = await this.accountService.getAccounts(
+      this.request.user.id
+    );
+
+    const currentAccountIds = accountsOfUser.map(({ id }) => {
+      return id;
+    });
+
+    if (
+      ![accountIdFrom, accountIdTo].every((accountId) => {
+        return currentAccountIds.includes(accountId);
+      })
+    ) {
+      throw new HttpException(
+        getReasonPhrase(StatusCodes.NOT_FOUND),
+        StatusCodes.NOT_FOUND
+      );
+    }
+
+    const { currency } = accountsOfUser.find(({ id }) => {
+      return id === accountIdFrom;
+    });
+
+    await this.accountService.updateAccountBalance({
+      currency,
+      accountId: accountIdFrom,
+      amount: -balance,
+      userId: this.request.user.id
+    });
+
+    await this.accountService.updateAccountBalance({
+      currency,
+      accountId: accountIdTo,
+      amount: balance,
+      userId: this.request.user.id
+    });
+  }
+
   @Put(':id')
   @UseGuards(AuthGuard('jwt'))
   public async update(@Param('id') id: string, @Body() data: UpdateAccountDto) {

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

@@ -109,7 +109,7 @@ export class AccountService {
     });
   }
 
-  public async getAccounts(aUserId: string) {
+  public async getAccounts(aUserId: string): Promise<Account[]> {
     const accounts = await this.accounts({
       include: { Order: true, Platform: true },
       orderBy: { name: 'asc' },
@@ -218,13 +218,13 @@ export class AccountService {
     accountId,
     amount,
     currency,
-    date,
+    date = new Date(),
     userId
   }: {
     accountId: string;
     amount: number;
     currency: string;
-    date: Date;
+    date?: Date;
     userId: string;
   }) {
     const { balance, currency: currencyOfAccount } = await this.account({