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@alphamikle
Last active Feb 11, 2021
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// ...
@Post('remittance-with-transaction-and-fee')
@ApiResponse({
type: RemittanceResultDto,
})
async makeRemittanceWithTransactionAndFee(@Body() remittanceDto: RemittanceDto) {
return this.connection.transaction(async manager => {
const transactionAppService = this.appService.withTransaction(manager); // <-- this is interesting new thing
const result = await transactionAppService.makeRemittance(remittanceDto.userIdFrom, remittanceDto.userIdTo, remittanceDto.sum, remittanceDto.withError);
result.fromBalance -= 1; // <-- transfer fee
const senderPurse = await transactionAppService.getPurse(remittanceDto.userIdFrom);
senderPurse.balance -= 1; // <-- transfer fee, for example of using several services in one transaction in controller
await this.appServiceV2.withTransaction(manager).savePurse(senderPurse);
return result;
});
}
// ...
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