Files
backend/src/modules/banking/bank-cards/application/get-bank-summary.use-case.ts
T

41 lines
1.4 KiB
TypeScript

import { Injectable } from '@nestjs/common';
import { bankSummary } from '../domain/bank-card.calculations';
import { rubMoney } from '../domain/rub-money';
import { BankCardsRepository } from '../infrastructure/bank-cards.repository';
import { BankSummaryQueryDto } from '../presentation/bank-card.dto';
import { periodBounds } from './bank-card-input';
@Injectable()
export class GetBankSummaryUseCase {
constructor(private readonly repository: BankCardsRepository) {}
async execute(userId: string, query: BankSummaryQueryDto) {
const period = periodBounds(query);
const { operations, categories } = await this.repository.summaryData(
userId,
period,
query.cardId,
);
const totals = bankSummary(period, operations);
return {
month: query.month,
...period,
cardId: query.cardId ?? null,
expenses: rubMoney(totals.expenses),
refunds: rubMoney(totals.refunds),
net: rubMoney(totals.net),
categories: totals.categories.map((row) => {
const category = categories.find((c) => c.id === row.categoryId);
if (!category) throw new Error('Bank operation category is missing');
return {
categoryId: row.categoryId,
categoryName: category.name,
expenses: rubMoney(row.expenses),
refunds: rubMoney(row.refunds),
net: rubMoney(row.net),
};
}),
};
}
}