feat(nestjs): migrate to NestJS

packages/server/src/modules/BankingMatching/_utils.ts

@@ -0,0 +1,64 @@
+import * as moment from 'moment';
+import * as R from 'ramda';
+import { isEmpty, sumBy } from 'lodash';
+import { ERRORS, MatchedTransactionPOJO } from './types';
+import { ServiceError } from '../Items/ServiceError';
+
+export const sortClosestMatchTransactions = (
+  amount: number,
+  date: Date,
+  matches: MatchedTransactionPOJO[]
+) => {
+  return R.sortWith([
+    // Sort by amount difference (closest to uncategorized transaction amount first)
+    R.ascend((match: MatchedTransactionPOJO) =>
+      Math.abs(match.amount - amount)
+    ),
+    // Sort by date difference (closest to uncategorized transaction date first)
+    R.ascend((match: MatchedTransactionPOJO) =>
+      Math.abs(moment(match.date).diff(moment(date), 'days'))
+    ),
+  ])(matches);
+};
+
+export const sumMatchTranasctions = (transactions: Array<any>) => {
+  return transactions.reduce(
+    (total, item) =>
+      total +
+      (item.transactionNormal === 'debit' ? 1 : -1) * parseFloat(item.amount),
+    0
+  );
+};
+
+export const sumUncategorizedTransactions = (
+  uncategorizedTransactions: Array<any>
+) => {
+  return sumBy(uncategorizedTransactions, 'amount');
+};
+
+export const validateUncategorizedTransactionsNotMatched = (
+  uncategorizedTransactions: any
+) => {
+  const matchedTransactions = uncategorizedTransactions.filter(
+    (trans) => !isEmpty(trans.matchedBankTransactions)
+  );
+  //
+  if (matchedTransactions.length > 0) {
+    throw new ServiceError(ERRORS.TRANSACTION_ALREADY_MATCHED, '', {
+      matchedTransactionsIds: matchedTransactions?.map((m) => m.id),
+    });
+  }
+};
+
+export const validateUncategorizedTransactionsExcluded = (
+  uncategorizedTransactions: any
+) => {
+  const excludedTransactions = uncategorizedTransactions.filter(
+    (trans) => trans.excluded
+  );
+  if (excludedTransactions.length > 0) {
+    throw new ServiceError(ERRORS.CANNOT_MATCH_EXCLUDED_TRANSACTION, '', {
+      excludedTransactionsIds: excludedTransactions.map((e) => e.id),
+    });
+  }
+};