diff --git a/kasownik_classifier/.gitignore b/kasownik_classifier/.gitignore
new file mode 100644
index 0000000..7209fbb
--- /dev/null
+++ b/kasownik_classifier/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+raw_transfers.json
+raw_transfers.txt
diff --git a/kasownik_classifier/2021-finances.txt b/kasownik_classifier/2021-finances.txt
new file mode 100644
index 0000000..645d42c
--- /dev/null
+++ b/kasownik_classifier/2021-finances.txt
@@ -0,0 +1,59 @@
+Finanse w 2021, wszystko podane w przeliczeniu na miesiąc
+
+Koszty stałe:
+- czynsz, woda, prąd, ogrzewanie: -7095 PLN
+- bgp.wtf (nitronet, epix, ripe): -1201 PLN
+- księgowość: -984 PLN
+= 9280/ms
+
+Przychody główne:
+- składki członkowskie: 9645 PLN
+- przychody bgp.wtf: 1002 PLN
+= 10647/ms
+
+Pozostałe przychody:
+- granty: 1667
+- darowizny: 1335
+- darowizny celowe: 611
+= 3613/ms
+
+Pozostałe koszty:
+- wydatki związane z grantmi: 2304
+- prawnicy: 210
+- zakupy (budowlane): 181
+- zakupy (materiały): 317
+- zakupy (pozostałe): 955
+- zakupy (zwroty): 285
+- wydatki nieskategoryzowane: 660
+- opłaty bankowe: 11
+= 4923/ms
+
+balance: +57/ms
+
+————————————————————————
+
+czynsz:
+
+2017: 5119/mo
+2018: 5394/mo
+2019: 5458/mo
+2020: 6457/mo
+2021: 7094/mo  +38% vs 2017
+
+————————————————————————
+
+składki członkowskie:
+
+2017: 6987/mo
+2018: 8227/mo
+2019: 7730/mo
+2020: 8905/mo
+2021: 9644/mo  +38% vs 2017
+
+————————————————————————
+
+przychody bgp.wtf:
+
+2019: 507/mo
+2020: 361/mo
+2021: 1002/mo
diff --git a/kasownik_classifier/analyze.js b/kasownik_classifier/analyze.js
new file mode 100644
index 0000000..58e98e9
--- /dev/null
+++ b/kasownik_classifier/analyze.js
@@ -0,0 +1,285 @@
+const fs = require('fs')
+const fp = require('rambdax')
+
+let rawTransfers = JSON.parse(fs.readFileSync('raw_transfers.json').toString('utf8'))
+rawTransfers = fp.piped(rawTransfers, fp.sortByPath('date'))
+
+const pad = (chars, text, padding = ' ') => {
+  return `${text}${Array(Math.max(chars - text.length, 0)).join(padding)}`
+}
+const padRight = (chars, text, padding = ' ') => {
+  return `${Array(Math.max(chars - text.length, 0) + 1).join(padding)}${text}`
+}
+const formatAmmount = (amount) => {
+  const zl = amount >= 100 ? String(amount).slice(0, -2) : '0'
+  const gr = String(amount).slice(-2)
+  return zl + ',' + padRight(2, gr, '0')
+}
+const toPln = (currency) => {
+  switch (currency) {
+    case 'PLN':
+      return 1.0
+    case 'EUR':
+      return 4.57
+    default:
+      throw new Error('Unknown currency multiplier for ' + currency)
+  }
+}
+const sign = (transfer) => {
+  return transfer.type.startsWith('IN') ? 1 : -1
+}
+const transferPlnValue = (transfer) => {
+  return sign(transfer) * Number(transfer.amount) * toPln(transfer.currency)
+}
+const sum = (xs) => xs.reduce((a, b) => a + b, 0)
+function printTransfer(transfer) {
+  const { title, type, date, amount, currency } = transfer
+  // type: [ 'IN', 'OUT_TO_OWN', 'BANK_FEE', 'IN_FROM_OWN', 'OUT' ]
+  const sign = type.startsWith('IN') ? '+' : '-'
+  console.log(
+    `${date} | ${pad(15, classify(transfer))} | ${pad(80, title)} | ${sign} ${padRight(
+      8,
+      formatAmmount(amount),
+    )} ${currency}`,
+  )
+}
+function classify(transfer) {
+  if (
+    transfer.type === 'IN' &&
+    (transfer.to_account === 'PL48195000012006000648890002' ||
+      transfer.title.match(/^\w+ ?- ?(fatty|starving|superfatty) ?- ?sk(l|ł)adka/i) ||
+      transfer.title.match(/^sk(l|ł)adka ?- \w+ ?- ?\d+ ?m/i) ||
+      transfer.title.match(/skladka - wooddy/i)) &&
+    !transfer.title.match(/(kaucj|zwrot|lokata|grant|covid)/i)
+  ) {
+    return 'memberships'
+  }
+  if (
+    transfer.type === 'BANK_FEE' ||
+    transfer.title.match(
+      /(Opłata za przelew|Miesięczny abonament|ZWROT OPŁATY ZA PROWADZENIE RACHUNKU)/,
+    )
+  ) {
+    return 'bank_fees'
+  }
+  if (
+    transfer.type === 'OUT' &&
+    (transfer.to_name.includes('RIPE') ||
+      transfer.to_name.includes('Stowarzyszenie e-Południe') ||
+      transfer.to_name.includes('Nitronet sp. z o. o.') ||
+      transfer.to_name.includes('Nitronet sp. z o.o.'))
+  ) {
+    return 'isp_fees'
+  }
+  if (
+    transfer.to_name === 'PSP Zjednoczenie' ||
+    transfer.title.startsWith('CZYNSZ - GRZYBOWSKA 85c') ||
+    transfer.title.match(/(zwrot kaucji|zwrot wadium|najem lokali)/i)
+  ) {
+    return 'rent'
+  }
+  if (
+    transfer.type === 'OUT' &&
+    (transfer.to_name.startsWith('A&M') ||
+      transfer.title.match(/usługi prawne/i) ||
+      transfer.to_name.match(/Lookreatywni/))
+  ) {
+    return 'legal'
+  }
+  if (
+    (transfer.type === 'IN' &&
+      transfer.to_account === 'PL64195000012006000648890005' &&
+      transfer.title.toLowerCase().includes('fv')) ||
+    transfer.title.match(/internet BGP.WTF/i) ||
+    transfer.title.match(/internet - umowa HSWAW/i) ||
+    transfer.title.includes('Invoice N. FV/21043')
+  ) {
+    return 'bgp_wtf_income'
+  }
+  if (
+    transfer.type === 'IN' &&
+    transfer.date.startsWith('2020-') &&
+    transfer.title.match(
+      /(coronavirus|c.vid|przy(ł|l)bic|curvovid|powodzenia m|owner w k|dzialal. promocyj.|^Przelew$|^TRANSFER$|^Outgoing payment$)/i,
+    )
+  ) {
+    return 'covid19_donation'
+  }
+  if (
+    transfer.type === 'OUT' &&
+    transfer.date >= '2020-03-31' &&
+    transfer.date <= '2020-06-24' &&
+    transfer.from_account === 'PL91195000012006000648890004'
+  ) {
+    return 'covid19'
+  }
+  if (
+    transfer.type === 'IN' &&
+    transfer.to_account === 'PL64195000012006000648890005' &&
+    transfer.title.match(/(koszulk|\d ?szt)/i)
+  ) {
+    return 'swag_sale'
+  }
+  if (transfer.type === 'IN' && transfer.title.match(/(grant|mikrodotacja|transza)/i)) {
+    return 'grant'
+  }
+  const projectDonation = transfer.title.match(
+    /(^\w+[\s-]*(?:darowizna|darownizna|DAROWNIZNA)[\s-]*(.*)$|(?:skladka|darowizna) celowa -? ?(.*)$|skladka na pokrycie (.*)|na zakup (.*)|darowizna na (.*))/i,
+  )
+  if (transfer.type === 'IN' && projectDonation && !transfer.title.match(/cele statutowe/)) {
+    const cause = projectDonation.slice(2).filter(Boolean)[0]
+    return `donation_cause`
+    // return `donation: ${cause.toLowerCase()}`
+  }
+  if (transfer.type === 'IN' && transfer.title.match(/(darowizn|uk online giving|testow)/i)) {
+    return `donation`
+  }
+  if (
+    transfer.type === 'OUT' &&
+    transfer.title.match(
+      /(Leroy Merlin Warszawa|Castorama Warszawa|bricoman.pl|zakup materiałów budowlanych|Market Budowlany)/i,
+    )
+  ) {
+    return 'construction'
+  }
+  if (transfer.title.match(/(zwrot z podatku vat|KRS)/i)) {
+    return 'taxes'
+  }
+  if (transfer.from_name.match(/CURRENCY ONE/i) || transfer.to_name.match(/CURRENCY ONE/i)) {
+    return 'currency_exchange'
+  }
+  if (transfer.title.match(/lokata nr/i)) {
+    return 'time_deposit'
+  }
+  if (
+    transfer.type === 'OUT' &&
+    (transfer.title.match(/(stal hutnicza|stawex)/) ||
+      transfer.to_name.match(/stawex/i) ||
+      transfer.to_name.match(/nor-gaz/i))
+  ) {
+    return 'materials'
+  }
+  if (
+    transfer.type === 'OUT' &&
+    transfer.title.match(/(^zwrot |Zakup przy użyciu karty|PayU w Allegro|Przelewy24|^zwroty )/i)
+  ) {
+    return 'purchases'
+  }
+  if (transfer.type === 'OUT' && transfer.to_name.match(/(eniy soro|radosław pietruszewski)/i)) {
+    return 'purchases_returns'
+  }
+  if (
+    transfer.type === 'OUT' &&
+    (transfer.date === '2021-12-21' || transfer.to_name.startsWith('Maker Kids Michał'))
+  ) {
+    return 'grant_expenses'
+  }
+  if (transfer.type === 'IN') {
+    return 'in?'
+  }
+  if (transfer.type === 'OUT') {
+    return 'out?'
+  }
+  return '??'
+}
+
+const printTransfers = (transfers) => {
+  transfers.forEach(printTransfer)
+  console.log('')
+
+  const total = sum(transfers.map(transferPlnValue))
+  console.log(`Total: ${Math.round(total) / 100} PLN`)
+  console.log(`Total/mo: ${Math.round(total / 12 / 100)} PLN`)
+  console.log(`Transfers: ${transfers.length}`)
+}
+
+const printCategorized = (transfers) => {
+  const categories = {}
+  transfers.forEach((tx) => {
+    const type = classify(tx)
+    if (!categories[type]) {
+      categories[type] = []
+    }
+    categories[type].push(tx)
+  })
+
+  Object.entries(categories).map(([category, categoryTransfers]) => {
+    console.log('')
+    console.log('___________________________')
+    console.log(`Category: ${category}`)
+    console.log('')
+    printTransfers(categoryTransfers)
+  })
+}
+
+// printCategorized(
+//   rawTransfers
+//     .filter((x) => classify(x) !== 'memberships')
+//     // .filter((x) => classify(x) === 'bank_fees')
+//     // .filter((x) => classify(x).startsWith('donation:'))
+//     // .filter((x) => x.date.startsWith('2021-'))
+//     // .filter((x) => x.amount > 10_000_00)
+//     // .filter((x) => x.type === 'OUT_TO_OWN')
+//     // .filter((x) => classify(x) === '??')
+//     // .filter((x) => x.title.toLowerCase().includes('uk online giving'))
+//     // .filter((x) => x.title.match(/kuh/i))
+//     // .filter(
+//     //   (x) =>
+//     //     x.type === 'IN' &&
+//     //     x.date.startsWith('2020-') &&
+//     //     x.title.match(/(coronavirus|c.vid|przy(ł|l)bic|curvovid)/i),
+//     // )
+//     // .slice(-500),
+//     .concat([]),
+// )
+
+const generateMonthDates = () => {
+  const now = new Date()
+  const currentMonth = now.getMonth() + 1
+  const currentYear = now.getFullYear()
+  const dates = []
+  for (let y = 2016; y <= currentYear; y++) {
+    const initialMonth = y == 2016 ? 11 : 1
+    const maxMonth = y == currentYear ? currentMonth : 12
+    for (let m = initialMonth; m <= maxMonth; m++) {
+      dates.push(`${y}-${m < 10 ? 0 : ''}${m}`)
+    }
+  }
+  return dates
+}
+const monthDates = generateMonthDates()
+
+const printMonthSums = (transfers) => {
+  const groupped = fp.piped(
+    transfers,
+    fp.groupBy((t) => t.date.slice(0, -3)),
+  )
+  monthDates.forEach((date) => {
+    const txs = groupped[date] || []
+    const sum = txs.reduce((sum, transfer) => sum + transferPlnValue(transfer), 0)
+    console.log(`${date} | ${padRight(8, formatAmmount(Math.round(sum)))}`)
+  })
+}
+
+// printMonthSums(rawTransfers.filter((x) => classify(x) === 'bank_fees'))
+
+const days = rawTransfers
+  .filter((x) => classify(x) !== 'memberships')
+  .concat([])
+  .map((x) => Number(x.date.match(/.*-(\d{2})$/)[1]))
+  .sort()
+
+const dayCounts = Array(32).fill(0)
+
+days.forEach((day) => {
+  dayCounts[day] += 1
+})
+
+console.log(
+  dayCounts
+    .slice(1)
+    .map((count, day) => ({ day, count }))
+    .sort((a, b) => b.count - a.count)
+    .map(({ day, count }) => `${day + 1} | ${count}`)
+    .join('\n'),
+)
diff --git a/kasownik_classifier/convert_to_json.js b/kasownik_classifier/convert_to_json.js
new file mode 100644
index 0000000..f65aa3b
--- /dev/null
+++ b/kasownik_classifier/convert_to_json.js
@@ -0,0 +1,32 @@
+const fs = require('fs')
+
+// INSTRUCTIONS FOR GENERATION:
+// psql -h 127.0.0.1 -U radex kasownik
+// \copy (select * from raw_transfer) to 'raw_transfers.txt' delimiter '~' csv header;
+// scp radex@hackerspace.pl:~/raw_transfers.txt .
+// node convert_to_json.js
+
+function zipObj(keys, values) {
+  const obj = {}
+  if (keys.length !== values.length) {
+    console.error(keys)
+    console.error(values)
+    throw new Error(`broken row`)
+  }
+  keys.forEach((key, i) => {
+    obj[key] = values[i]
+  })
+  return obj
+}
+
+function convert() {
+  let data = fs.readFileSync('raw_transfers.txt').toString('utf8').trim().split('\n')
+  const header = data.shift().split('~')
+  console.log(header)
+  const rows = data.filter(Boolean).map((row) => zipObj(header, row.split('~')))
+  const json = JSON.stringify(rows, null, '  ')
+  fs.writeFileSync('raw_transfers.json', json)
+}
+
+convert()
+k
diff --git a/kasownik_classifier/package.json b/kasownik_classifier/package.json
new file mode 100644
index 0000000..c9586eb
--- /dev/null
+++ b/kasownik_classifier/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "kasownik_clasifier",
+  "version": "1.0.0",
+  "description": "",
+  "main": "analyze.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "rambdax": "^7.2.0"
+  }
+}
diff --git a/kasownik_classifier/prettier.config.js b/kasownik_classifier/prettier.config.js
new file mode 100644
index 0000000..afe4f74
--- /dev/null
+++ b/kasownik_classifier/prettier.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  printWidth: 100,
+  trailingComma: "all",
+  semi: false,
+  singleQuote: true,
+  bracketSpacing: true,
+};
diff --git a/kasownik_classifier/yarn.lock b/kasownik_classifier/yarn.lock
new file mode 100644
index 0000000..3c1fce5
--- /dev/null
+++ b/kasownik_classifier/yarn.lock
@@ -0,0 +1,8 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+rambdax@^7.2.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/rambdax/-/rambdax-7.2.0.tgz#f2632cb96a89d330d05fa41b488c12185b46001a"
+  integrity sha512-l1r7tYf/oRIpCiw1BJB7kSYl9i7H4tJheKbnWq95DM83Q4CazmRYJ+WM/VRaffr09yvMCdgeF4n6Ya4uWBe/Aw==