69 lines
2.1 KiB
TypeScript
69 lines
2.1 KiB
TypeScript
/*
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DrCr: Web-based double-entry bookkeeping framework
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Copyright (C) 2022–2025 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 { parse } from 'csv-parse/browser/esm/sync';
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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 importCsv(sourceAccount: string, content: string): StatementLine[] {
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const records = parse(content, {
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skip_empty_lines: true,
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});
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// Validate column layout
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if (records.length === 0) {
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throw new Error('Empty CSV file');
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}
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if (records[0][0] !== 'Date') {
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throw new Error('Unexpected column 1, expected "Date"');
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}
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if (records[0][1] !== 'Description') {
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throw new Error('Unexpected column 1, expected "Description"');
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}
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if (records[0][2] !== 'Amount') {
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throw new Error('Unexpected column 1, expected "Amount"');
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}
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const statementLines: StatementLine[] = [];
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// Parse records
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for (let i = 1; i < records.length; i++) {
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const record = records[i];
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const date = dayjs(record[0], 'YYYY-MM-DD').format(DT_FORMAT);
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const description = record[1];
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const amount = record[2];
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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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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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