Differentiate credits and debts
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parent
06c08ef93b
commit
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1
.gitignore
vendored
1
.gitignore
vendored
@ -7,3 +7,4 @@ coverage
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@types
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public/*.js
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/public/bundle.js.map
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27
package-lock.json
generated
27
package-lock.json
generated
@ -7,6 +7,7 @@
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"": {
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"name": "mbank-mt940",
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"version": "0.1.0",
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"hasInstallScript": true,
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"license": "ISC",
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"dependencies": {
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"@types/mocha": "^10.0.1",
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@ -20,8 +21,10 @@
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},
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"devDependencies": {
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"@istanbuljs/nyc-config-typescript": "^1.0.2",
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"@types/diff": "^5.2.1",
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"@typescript-eslint/eslint-plugin": "^5.58.0",
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"@typescript-eslint/parser": "^5.58.0",
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"diff": "^5.2.0",
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"eslint": "^8.38.0",
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"eslint-config-prettier": "^8.8.0",
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"eslint-plugin-prettier": "^4.2.1",
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@ -1144,6 +1147,13 @@
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"integrity": "sha512-yOlFc+7UtL/89t2ZhjPvvB/DeAr3r+Dq58IgzsFkOAvVC6NMJXmCGjbptdXdR9qsX7pKcTL+s87FtYREi2dEEQ==",
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"dev": true
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},
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"node_modules/@types/diff": {
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"version": "5.2.1",
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"resolved": "https://registry.npmjs.org/@types/diff/-/diff-5.2.1.tgz",
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"integrity": "sha512-uxpcuwWJGhe2AR1g8hD9F5OYGCqjqWnBUQFD8gMZsDbv8oPHzxJF6iMO6n8Tk0AdzlxoaaoQhOYlIg/PukVU8g==",
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"dev": true,
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"license": "MIT"
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},
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"node_modules/@types/json-schema": {
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"version": "7.0.11",
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"resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.11.tgz",
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@ -2190,10 +2200,11 @@
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}
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},
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"node_modules/diff": {
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"version": "5.0.0",
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"resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
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"integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==",
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"version": "5.2.0",
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"resolved": "https://registry.npmjs.org/diff/-/diff-5.2.0.tgz",
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"integrity": "sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A==",
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"dev": true,
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"license": "BSD-3-Clause",
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"engines": {
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"node": ">=0.3.1"
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}
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@ -3696,6 +3707,16 @@
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"wrap-ansi": "^7.0.0"
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}
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},
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"node_modules/mocha/node_modules/diff": {
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"version": "5.0.0",
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"resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
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"integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==",
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"dev": true,
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"license": "BSD-3-Clause",
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"engines": {
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"node": ">=0.3.1"
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}
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},
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"node_modules/mocha/node_modules/js-yaml": {
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"version": "4.1.0",
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"resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
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@ -19,8 +19,10 @@
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"license": "ISC",
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"devDependencies": {
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"@istanbuljs/nyc-config-typescript": "^1.0.2",
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"@types/diff": "^5.2.1",
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"@typescript-eslint/eslint-plugin": "^5.58.0",
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"@typescript-eslint/parser": "^5.58.0",
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"diff": "^5.2.0",
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"eslint": "^8.38.0",
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"eslint-config-prettier": "^8.8.0",
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"eslint-plugin-prettier": "^4.2.1",
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@ -40,7 +42,7 @@
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"esbuild": "^0.19.9",
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"http-server": "^14.1.1",
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"iconv-lite": "^0.6.3",
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"yargs": "^17.7.2",
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"typescript": "^5.0.4"
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"typescript": "^5.0.4",
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"yargs": "^17.7.2"
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}
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}
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54
src/index.test.ts
Normal file
54
src/index.test.ts
Normal file
@ -0,0 +1,54 @@
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import { promises as fs } from "fs";
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import path from "node:path";
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import iconv from "iconv-lite";
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import { convert } from ".";
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import assert from "node:assert";
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import * as Diff from "diff";
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describe("mt940 converter", () => {
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it("converts properly", async () => {
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const content = await fs.readFile(
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path.resolve(__dirname, "../tests/real_csv.csv"),
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{
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encoding: null,
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}
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);
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const result = convert(iconv.decode(content, "cp1250"));
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const expected_result = await fs.readFile(
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path.resolve(__dirname, "../tests/real_mt940.txt"),
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"utf-8"
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);
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try {
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assert.strictEqual(result.output, expected_result);
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} catch (e) {
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console.error("There was a difference. Fixes to apply:");
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console.log(
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Diff.createPatch("mt940", result.output, expected_result)
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);
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throw new Error("Texts differ");
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}
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});
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it.only("converts properly", async () => {
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const content = await fs.readFile(
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path.resolve(__dirname, "../tests/real_csv_2.csv"),
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{
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encoding: null,
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}
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);
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const result = convert(iconv.decode(content, "cp1250"));
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const expected_result = await fs.readFile(
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path.resolve(__dirname, "../tests/real_mt940_2.txt"),
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"utf-8"
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);
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try {
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assert.strictEqual(result.output, expected_result);
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} catch (e) {
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console.error("There was a difference. Fixes to apply:");
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console.log(
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Diff.createPatch("mt940", result.output, expected_result)
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);
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throw new Error("Texts differ");
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}
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});
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});
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49
src/index.ts
49
src/index.ts
@ -42,21 +42,55 @@ class Transaction {
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}
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formatPerson() {
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return addLineNumbers(
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const ret = addLineNumbers(
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fillWithEmpty(
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chunks(removeRepeatingSpace(this.person).trim(), 27),
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2
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).slice(0, 2),
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32
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).join("\n");
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return ret;
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}
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toMT940() {
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const prefixes = { incoming: "150", outcoming: "169" };
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const prefix = this.amount > 0 ? prefixes.incoming : prefixes.outcoming;
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return `:61:${mtDate(this.acc_date)}${mtDate(this.op_date).slice(
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2
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)}C${mtAmount(this.amount)}S${prefix}${Transaction.counter.next().value}
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// just a bunch of heuristics
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const prefix_fns = [
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() =>
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this.description.includes("OPŁATA-PRZELEW WEWN.")
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? "169"
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: false,
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() =>
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this.description.includes("PRZELEW WEWNĘTRZNY PRZY")
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? "160"
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: false,
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() =>
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this.description.includes("OPŁATA-PRZELEW WEWN. DO")
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? "755"
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: false,
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() =>
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this.description.includes("PRZELEW ZEWNĘTRZNY WYCH")
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? "152"
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: false,
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() =>
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this.description.includes("OPŁATA PRZELEW ZEW.DOWO")
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? "771"
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: false,
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() => (this.amount > 0 ? "150" : false),
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() => "169",
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];
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let prefix = "";
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for (const fn of prefix_fns) {
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const result = fn();
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if (result !== false) {
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prefix = result;
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break;
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}
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}
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const result = `:61:${mtDate(this.acc_date)}${mtDate(
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this.op_date
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).slice(2)}${this.amount > 0 ? "C" : "D"}${mtAmount(
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this.amount
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)}S${prefix}${Transaction.counter.next().value}
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:86:${prefix}
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:86:${prefix}~00B${prefix}${this.description.slice(0, 23)}
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${this.formatTitle()}
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@ -68,6 +102,7 @@ ${this.formatPerson()}
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~38PL${this.account_number}
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~62
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~63`;
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return result;
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}
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}
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@ -166,7 +201,7 @@ function mtDate(d: Date) {
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}
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function mtAmount(n: number) {
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return Math.abs(n).toString().replace(".", ",");
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return Math.abs(n).toFixed(2).replace(".", ",");
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}
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export function convert(csv_utf8: string): { output: string; range: Range } {
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