65 lines
2.3 KiB
JavaScript
65 lines
2.3 KiB
JavaScript
// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
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export default function handler(req, res) {
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res.status(200).json({ name: 'John Doe' })
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}
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export function parseBeanCount(content) {
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// console.log(content)
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const lines = content.split(/\r?\n/)
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var statements = []
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var statement = { parts: [], type: null, _zs: 0 }
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// stats
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var stats = {}
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stats.time = {}
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stats.time.interval = [null, null]
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for (const [ix, line] of lines.entries()) {
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if (line.match(/^\s*$/)) {
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if (statement.type !== null) {
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if (statement.parts.every(({amount}) => {return amount === ''})) {
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throw(`missing transaction amount (:${ix+1})`)
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}
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statements.push(statement)
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statement = { parts: [], type: null, _zs: 0 }
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}
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} else if (statement.type === null) {
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try {
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const { date, type, payee, descr } = line.match(/(?<date>\d{4}-\d{2}-\d{2}) (?<type>(txn|\!|\*)) ("|')(?<payee>[\w\s\d]*)("|') ("|')(?<descr>[\w\d\s]*)("|')/).groups
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statement.type = type
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statement.date = date
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statement.payee = payee
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statement.descr = descr;
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const d = new Date(date)
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if (d && stats.time.interval[0] && stats.time.interval) {
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stats.time.interval = [(d < stats.time.interval[0]) ? d :stats.time.interval[0], (d > stats.time.interval[1]) ? d : stats.time.interval[1]]
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} else if (d) {
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stats.time.interval = [d, d]
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}
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} catch (error) {
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console.error(`could not parse an operation (line ${ix + 1})`)
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throw(`Could not parse beancount file (:${ix+1}, ${error}])`)
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}
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} else {
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const groups = line.match(/\s+(?<account>[:\w\d]+)(\s+(?<amount>[-.\d]+)\s+(?<currency>\w+))?/).groups
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const amount = parseFloat(groups.amount) || null
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const currency = groups.currency || null
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console.log(amount, statement._zs)
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const extract = groups.amount < 0
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statement.parts.push({
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...groups, amount, extract, currency
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})
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statement._zs += amount
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}
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}
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stats.time.range = (stats.time.interval[1] - stats.time.interval[0]) / 1000 / 60 / 60 / 24 // now in days
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stats.time.interval = [stats.time.interval[0].toISOString().slice(0,10), stats.time.interval[1].toISOString().slice(0,10)]
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return { statements, stats }
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} |