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WIP server side.
This commit is contained in:
Ahmed Bouhuolia
367
server/src/http/controllers/Expenses.js
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367
server/src/http/controllers/Expenses.js
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import express from 'express';
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import {
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check,
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param,
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query,
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validationResult,
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} from 'express-validator';
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import moment from 'moment';
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import { difference, chain } from 'lodash';
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import asyncMiddleware from '@/http/middleware/asyncMiddleware';
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import Expense from '@/models/Expense';
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import Account from '@/models/Account';
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import JournalPoster from '@/services/Accounting/JournalPoster';
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import JournalEntry from '@/services/Accounting/JournalEntry';
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import JWTAuth from '@/http/middleware/jwtAuth';
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import AccountTransaction from '@/models/AccountTransaction';
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import View from '@/models/View';
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import Resource from '../../models/Resource';
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export default {
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/**
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* Router constructor.
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*/
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router() {
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const router = express.Router();
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router.use(JWTAuth);
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router.post('/',
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this.newExpense.validation,
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asyncMiddleware(this.newExpense.handler));
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router.delete('/:id',
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this.deleteExpense.validation,
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asyncMiddleware(this.deleteExpense.handler));
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router.post('/bulk',
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this.bulkAddExpenses.validation,
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asyncMiddleware(this.bulkAddExpenses.handler));
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router.post('/:id',
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this.updateExpense.validation,
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asyncMiddleware(this.updateExpense.handler));
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router.get('/',
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this.listExpenses.validation,
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asyncMiddleware(this.listExpenses.handler));
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return router;
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},
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/**
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* Saves a new expense.
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*/
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newExpense: {
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validation: [
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check('date').optional().isISO8601(),
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check('payment_account_id').exists().isNumeric().toInt(),
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check('expense_account_id').exists().isNumeric().toInt(),
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check('description').optional(),
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check('amount').exists().isNumeric().toFloat(),
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check('currency_code').optional(),
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check('exchange_rate').optional().isNumeric().toFloat(),
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],
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async handler(req, res) {
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const validationErrors = validationResult(req);
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if (!validationErrors.isEmpty()) {
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return res.boom.badData(null, {
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code: 'validation_error', ...validationErrors,
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});
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}
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const form = {
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date: new Date(),
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...req.body,
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};
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// Convert the date to the general format.
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form.date = moment(form.date).format('YYYY-MM-DD');
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const errorReasons = [];
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const paymentAccount = await Account.query()
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.findById(form.payment_account_id).first();
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if (!paymentAccount) {
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errorReasons.push({ type: 'PAYMENT.ACCOUNT.NOT.FOUND', code: 100 });
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}
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const expenseAccount = await Account.query()
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.findById(form.expense_account_id).first();
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if (!expenseAccount) {
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errorReasons.push({ type: 'EXPENSE.ACCOUNT.NOT.FOUND', code: 200 });
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}
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if (errorReasons.length > 0) {
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return res.status(400).send({ errors: errorReasons });
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}
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const expenseTransaction = await Expense.query().insert({ ...form });
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const journalEntries = new JournalPoster();
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const creditEntry = new JournalEntry({
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credit: form.amount,
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referenceId: expenseTransaction.id,
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referenceType: Expense.referenceType,
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date: form.date,
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account: expenseAccount.id,
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accountNormal: 'debit',
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});
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const debitEntry = new JournalEntry({
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debit: form.amount,
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referenceId: expenseTransaction.id,
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referenceType: Expense.referenceType,
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date: form.date,
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account: paymentAccount.id,
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accountNormal: 'debit',
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});
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journalEntries.credit(creditEntry);
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journalEntries.debit(debitEntry);
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await Promise.all([
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journalEntries.saveEntries(),
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journalEntries.saveBalance(),
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]);
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return res.status(200).send({ id: expenseTransaction.id });
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},
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},
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/**
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* Bulk add expneses to the given accounts.
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*/
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bulkAddExpenses: {
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validation: [
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check('expenses').exists().isArray({ min: 1 }),
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check('expenses.*.date').optional().isISO8601(),
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check('expenses.*.payment_account_id').exists().isNumeric().toInt(),
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check('expenses.*.expense_account_id').exists().isNumeric().toInt(),
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check('expenses.*.description').optional(),
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check('expenses.*.amount').exists().isNumeric().toFloat(),
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check('expenses.*.currency_code').optional(),
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check('expenses.*.exchange_rate').optional().isNumeric().toFloat(),
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],
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async handler(req, res) {
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const validationErrors = validationResult(req);
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if (!validationErrors.isEmpty()) {
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return res.boom.badData(null, {
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code: 'validation_error', ...validationErrors,
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});
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}
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const form = { ...req.body };
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const errorReasons = [];
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const paymentAccountsIds = chain(form.expenses)
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.map((e) => e.payment_account_id).uniq().value();
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const expenseAccountsIds = chain(form.expenses)
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.map((e) => e.expense_account_id).uniq().value();
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const [expensesAccounts, paymentAccounts] = await Promise.all([
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Account.query().whereIn('id', expenseAccountsIds),
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Account.query().whereIn('id', paymentAccountsIds),
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]);
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const storedExpensesAccountsIds = expensesAccounts.map((a) => a.id);
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const storedPaymentAccountsIds = paymentAccounts.map((a) => a.id);
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const notFoundPaymentAccountsIds = difference(expenseAccountsIds, storedExpensesAccountsIds);
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const notFoundExpenseAccountsIds = difference(paymentAccountsIds, storedPaymentAccountsIds);
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if (notFoundPaymentAccountsIds.length > 0) {
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errorReasons.push({
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type: 'PAYMENY.ACCOUNTS.NOT.FOUND',
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code: 100,
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accounts: notFoundPaymentAccountsIds,
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});
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}
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if (notFoundExpenseAccountsIds.length > 0) {
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errorReasons.push({
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type: 'EXPENSE.ACCOUNTS.NOT.FOUND',
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code: 200,
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accounts: notFoundExpenseAccountsIds,
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});
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}
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if (errorReasons.length > 0) {
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return res.boom.badRequest(null, { reasons: errorReasons });
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}
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const expenseSaveOpers = [];
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const journalPoster = new JournalPoster();
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form.expenses.forEach(async (expense) => {
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const expenseSaveOper = Expense.query().insert({ ...expense });
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expenseSaveOpers.push(expenseSaveOper);
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});
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// Wait unit save all expense transactions.
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const savedExpenseTransactions = await Promise.all(expenseSaveOpers);
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savedExpenseTransactions.forEach((expense) => {
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const date = moment(expense.date).format('YYYY-DD-MM');
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const debit = new JournalEntry({
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debit: expense.amount,
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referenceId: expense.id,
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referenceType: Expense.referenceType,
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account: expense.payment_account_id,
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accountNormal: 'debit',
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date,
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});
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const credit = new JournalEntry({
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credit: expense.amount,
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referenceId: expense.id,
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referenceType: Expense.referenceId,
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account: expense.expense_account_id,
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accountNormal: 'debit',
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date,
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});
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journalPoster.credit(credit);
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journalPoster.debit(debit);
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});
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// Save expense journal entries and balance change.
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await Promise.all([
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journalPoster.saveEntries(),
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journalPoster.saveBalance(),
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]);
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return res.status(200).send();
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},
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},
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/**
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* Retrieve paginated expenses list.
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*/
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listExpenses: {
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validation: [
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query('expense_account_id').optional().isNumeric().toInt(),
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query('payment_account_id').optional().isNumeric().toInt(),
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query('note').optional(),
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query('range_from').optional().isNumeric().toFloat(),
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query('range_to').optional().isNumeric().toFloat(),
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query('date_from').optional().isISO8601(),
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query('date_to').optional().isISO8601(),
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query('column_sort_order').optional().isIn(['created_at', 'date', 'amount']),
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query('sort_order').optional().isIn(['desc', 'asc']),
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query('page').optional().isNumeric().toInt(),
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query('page_size').optional().isNumeric().toInt(),
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query('custom_view_id').optional().isNumeric().toInt(),
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],
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async handler(req, res) {
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const validationErrors = validationResult(req);
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if (!validationErrors.isEmpty()) {
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return res.boom.badData(null, {
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code: 'validation_error', ...validationErrors,
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});
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}
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const filter = {
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page_size: 10,
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page: 1,
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...req.query,
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};
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const errorReasons = [];
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const expenseResource = await Resource.query().where('name', 'expenses').first();
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if (!expenseResource) {
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errorReasons.push({ type: 'EXPENSE_NOT_FOUND', code: 300 });
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}
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const view = await View.query().runBefore((result, q) => {
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if (filter.customer_view_id) {
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q.where('id', filter.customer_view_id);
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} else {
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q.where('favorite', true);
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}
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q.where('resource_id', expenseResource.id);
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q.withGraphFetched('viewRoles');
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q.withGraphFetched('columns');
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q.first();
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return result;
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});
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if (!view) {
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errorReasons.push({ type: 'VIEW_NOT_FOUND', code: 100 });
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}
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if (errorReasons.length > 0) {
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return res.boom.badRequest(null, { errors: errorReasons });
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}
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const expenses = await Expense.query()
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.modify('filterByAmountRange', filter.range_from, filter.to_range)
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.modify('filterByDateRange', filter.date_from, filter.date_to)
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.modify('filterByExpenseAccount', filter.expense_account_id)
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.modify('filterByPaymentAccount', filter.payment_account_id)
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.modify('orderBy', filter.column_sort_order, filter.sort_order)
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.page(filter.page, filter.page_size);
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return res.status(200).send({
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columns: view.columns,
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viewRoles: view.viewRoles,
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});
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},
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},
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/**
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* Delete the given account.
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*/
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deleteExpense: {
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validation: [
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param('id').isNumeric().toInt(),
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],
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async handler(req, res) {
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const validationErrors = validationResult(req);
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if (!validationErrors.isEmpty()) {
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return res.boom.badData(null, {
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code: 'validation_error', ...validationErrors,
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});
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}
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const { id } = req.params;
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const expenseTransaction = await Expense.query().findById(id);
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if (!expenseTransaction) {
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return res.status(404).send({
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errors: [{ type: 'EXPENSE.TRANSACTION.NOT.FOUND', code: 100 }],
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});
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}
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const expenseEntries = await AccountTransaction.query()
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.where('reference_type', 'Expense')
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.where('reference_id', expenseTransaction.id);
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const expenseEntriesCollect = new JournalPoster();
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expenseEntriesCollect.loadEntries(expenseEntries);
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expenseEntriesCollect.reverseEntries();
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await Promise.all([
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expenseTransaction.delete(),
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expenseEntriesCollect.deleteEntries(),
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expenseEntriesCollect.saveBalance(),
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]);
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return res.status(200).send();
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},
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},
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/**
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* Update details of the given account.
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*/
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updateExpense: {
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validation: [
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param('id').isNumeric().toInt(),
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check('date').optional().isISO8601(),
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check('payment_account_id').exists().isNumeric().toInt(),
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check('expense_account_id').exists().isNumeric().toInt(),
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check('description').optional(),
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check('amount').exists().isNumeric().toFloat(),
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check('currency_code').optional(),
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check('exchange_rate').optional().isNumeric().toFloat(),
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],
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async handler(req, res) {
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const validationErrors = validationResult(req);
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if (!validationErrors.isEmpty()) {
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return res.boom.badData(null, {
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code: 'validation_error', ...validationErrors,
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});
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}
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const { id } = req.params;
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const expenseTransaction = await Expense.query().findById(id);
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if (!expenseTransaction) {
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return res.status(404).send({
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errors: [{ type: 'EXPENSE.TRANSACTION.NOT.FOUND', code: 100 }],
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});
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}
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},
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},
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};
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