86 lines
2.9 KiB
TypeScript
86 lines
2.9 KiB
TypeScript
/*
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DrCr: Web-based double-entry bookkeeping framework
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Copyright (C) 2022–2024 Lee Yingtong Li (RunasSudo)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import dayjs from 'dayjs';
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import { DT_FORMAT, StatementLine, db } from '../db.ts';
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export default function import_ofx1(sourceAccount: string, content: string): StatementLine[] {
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// Import an OFX1 SGML file
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// Strip OFX header and parse
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const raw_payload = content.substring(content.indexOf('<OFX')).replaceAll('&', '&');
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const tree = new DOMParser().parseFromString(raw_payload, 'text/html'); // HTML was originally based on SGML so use this parser
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// Read transactions
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const statementLines: StatementLine[] = [];
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for (const transaction of tree.querySelectorAll('banktranlist stmttrn')) {
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let dateRaw = getNodeText(transaction.querySelector('dtposted'));
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if (dateRaw && dateRaw.indexOf('[') >= 0) {
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// Ignore time zone
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dateRaw = dateRaw?.substring(0, dateRaw.indexOf('['));
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}
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const date = dayjs(dateRaw, 'YYYYMMDDHHmmss.SSS').hour(0).minute(0).second(0).millisecond(0).format(DT_FORMAT);
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const description = getNodeText(transaction.querySelector('memo'));
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const amount = getNodeText(transaction.querySelector('trnamt'));
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const quantity = Math.round(parseFloat(amount!) * Math.pow(10, db.metadata.dps));
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if (!Number.isSafeInteger(quantity)) { throw new Error('Quantity not representable by safe integer'); }
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if (description.indexOf('PENDING') >= 0) {
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// FIXME: This needs to be configurable
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continue;
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}
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statementLines.push({
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id: null,
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source_account: sourceAccount,
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dt: date,
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description: description ?? '',
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quantity: quantity,
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balance: null,
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commodity: db.metadata.reporting_commodity
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});
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}
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return statementLines;
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}
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function getNodeText(node: Node | null): string {
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// Get text of the first text node
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// HTML parser does not understand SGML/OFX nesting rules, so siblings will be incorrectly considered as children
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// Therefore we use only the first text node
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if (node === null) {
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throw new Error('Node not found');
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}
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for (const child of node.childNodes) {
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if (child.nodeType === Node.TEXT_NODE && child.nodeValue !== null && child.nodeValue.trim().length > 0) {
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return child.nodeValue.trim();
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}
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if (child.nodeType === Node.ELEMENT_NODE) {
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break;
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}
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}
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throw new Error('No text in node');
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}
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