@accounter/server
Version:
Accounter GraphQL server
146 lines • 7.46 kB
JavaScript
import { endOfDay } from 'date-fns';
import { GraphQLError } from 'graphql';
import { EMPTY_UUID } from '../../../../../shared/constants.js';
import { dateToTimelessDateString, formatCurrency } from '../../../../../shared/helpers/index.js';
import { AdminContextProvider } from '../../../../admin-context/providers/admin-context.provider.js';
import { ExchangeProvider } from '../../../../exchange-rates/providers/exchange.provider.js';
import { TaxCategoriesProvider } from '../../../../financial-entities/providers/tax-categories.provider.js';
import { businessTransactionsSumFromLedgerRecords } from '../../../../financial-entities/resolvers/business-transactions-sum-from-ledger-records.resolver.js';
import { storeInitialGeneratedRecords } from '../../../helpers/ledgrer-storage.helper.js';
import { generateMiscExpensesLedger } from '../../../helpers/misc-expenses-ledger.helper.js';
import { ledgerProtoToRecordsConverter } from '../../../helpers/utils.helper.js';
export const REVALUATION_LEDGER_DESCRIPTION = 'Revaluation of account';
export const generateLedgerRecordsForExchangeRevaluation = async (charge, { insertLedgerRecordsIfNotExists }, context, info) => {
try {
const { injector } = context;
if (!charge.user_description) {
return {
__typename: 'CommonError',
message: `Revaluation charge must include user description with designated date`,
};
}
// get revaluation date - search for "yyyy-mm-dd" in description
const dateRegex = /\b(\d{4})-(\d{2})-(\d{2})\b/;
const matches = charge.user_description.match(dateRegex);
if (!matches?.length) {
return {
__typename: 'CommonError',
message: `Revaluation charge description must include designated date in yyyy-mm-dd format`,
};
}
const revaluationDate = matches[0];
const foreignAccountsPromise = injector
.get(TaxCategoriesProvider)
.taxCategoryByFinancialAccountOwnerIdsLoader.load(charge.owner_id);
const [accountTaxCategories] = await Promise.all([foreignAccountsPromise]);
if (accountTaxCategories.length === 0) {
throw new Error('No accounts found');
}
const { defaultLocalCurrency, general: { taxCategories: { exchangeRevaluationTaxCategoryId }, }, } = await injector.get(AdminContextProvider).getVerifiedAdminContext();
const foreignAccounts = accountTaxCategories.filter(({ currency }) => currency !== defaultLocalCurrency);
if (foreignAccounts.length === 0) {
throw new Error('No foreign accounts found');
}
const currencies = new Set(foreignAccounts.map(({ currency }) => currency));
const cumulativeDate = dateToTimelessDateString(endOfDay(new Date(revaluationDate)));
const accountsCumulativeBalancePromise = businessTransactionsSumFromLedgerRecords({}, {
filters: {
ownerIds: [charge.owner_id],
businessIDs: foreignAccounts.map(account => account.id),
toDate: cumulativeDate,
includeRevaluation: false,
},
}, context, info);
const exchangeRates = new Map();
const [accountsCumulativeBalanceData] = await Promise.all([
accountsCumulativeBalancePromise,
...Array.from(currencies).map(async (currency) => {
const rates = await injector
.get(ExchangeProvider)
.getExchangeRates(currency, defaultLocalCurrency, new Date(revaluationDate));
exchangeRates.set(currency, rates);
}),
]);
if (!accountsCumulativeBalanceData || 'message' in accountsCumulativeBalanceData) {
throw new GraphQLError('Failed to get accounts transaction-based balance');
}
const accountsCumulativeBalance = await Promise.all(accountsCumulativeBalanceData.businessTransactionsSum);
const errors = new Set();
const entriesPromises = [];
const ledgerEntries = [];
const foreignAccountsLedger = foreignAccounts.map(async (account) => {
const rate = exchangeRates.get(formatCurrency(account.currency));
if (!rate) {
errors.add(`No exchange rate found for date ${revaluationDate}, currency "${account.currency}"`);
return;
}
const cumulativeSums = accountsCumulativeBalance.find(balance => balance.businessId === account.id);
if (!cumulativeSums ||
(cumulativeSums[account.currency].total === 0 &&
cumulativeSums[defaultLocalCurrency].total === 0)) {
return;
}
const cumulativeLocalBalance = cumulativeSums[defaultLocalCurrency].total;
const cumulativeForeignBalance = cumulativeSums[account.currency].total;
const revaluationDiff = cumulativeLocalBalance - cumulativeForeignBalance * rate;
if (Math.abs(revaluationDiff) < 0.005) {
return;
}
const isCreditorCounterparty = revaluationDiff < 0;
const ledgerEntry = {
id: EMPTY_UUID,
invoiceDate: new Date(revaluationDate),
valueDate: new Date(revaluationDate),
currency: defaultLocalCurrency,
isCreditorCounterparty,
...(isCreditorCounterparty
? {
creditAccountID1: account.id,
debitAccountID1: exchangeRevaluationTaxCategoryId,
}
: {
creditAccountID1: exchangeRevaluationTaxCategoryId,
debitAccountID1: account.id,
}),
localCurrencyCreditAmount1: Math.abs(revaluationDiff),
localCurrencyDebitAmount1: Math.abs(revaluationDiff),
description: `${REVALUATION_LEDGER_DESCRIPTION} "${account.name}"`,
ownerId: charge.owner_id,
chargeId: charge.id,
currencyRate: rate,
};
ledgerEntries.push(ledgerEntry);
});
entriesPromises.push(...foreignAccountsLedger);
// generate ledger from misc expenses
const expensesLedgerPromise = generateMiscExpensesLedger(charge, injector).then(entries => {
entries.map(entry => {
entry.ownerId = charge.owner_id;
ledgerEntries.push(entry);
});
});
entriesPromises.push(expensesLedgerPromise);
await Promise.all(entriesPromises);
if (insertLedgerRecordsIfNotExists) {
await storeInitialGeneratedRecords(charge.id, ledgerEntries, injector);
}
return {
records: ledgerProtoToRecordsConverter(ledgerEntries),
charge,
balance: {
isBalanced: true,
unbalancedEntities: [],
balanceSum: 0,
financialEntities: [],
},
errors: Array.from(errors),
};
}
catch (e) {
return {
__typename: 'CommonError',
message: `Failed to generate ledger records for charge ID="${charge.id}"\n${e}`,
};
}
};
//# sourceMappingURL=revaluation-ledger-generation.resolver.js.map