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ghostfolio
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make it pretty

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pull/239/head
Valentin Zickner 3 years ago committed by Thomas
parent 7538133d09
commit 88f0cb095d
2 changed files with 408 additions and 312 deletions
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684
apps/api/src/app/core/portfolio-calculator.spec.ts
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@ -1,5 +1,11 @@
import { PortfolioCalculator, PortfolioOrder } from '@ghostfolio/api/app/core/portfolio-calculator'; import {
import { CurrentRateService, GetValueParams } from '@ghostfolio/api/app/core/current-rate.service'; PortfolioCalculator,
PortfolioOrder
} from '@ghostfolio/api/app/core/portfolio-calculator';
import {
CurrentRateService,
GetValueParams
} from '@ghostfolio/api/app/core/current-rate.service';
import { Currency } from '@prisma/client'; import { Currency } from '@prisma/client';
import { OrderType } from '@ghostfolio/api/models/order-type'; import { OrderType } from '@ghostfolio/api/models/order-type';
import Big from 'big.js'; import Big from 'big.js';
@ -16,9 +22,11 @@ function dateEqual(date1: Date, date2: Date) {
const date1Converted = toYearMonthDay(date1); const date1Converted = toYearMonthDay(date1);
const date2Converted = toYearMonthDay(date2); const date2Converted = toYearMonthDay(date2);
return date1Converted[0] === date2Converted[0]&& return (
date1Converted[0] === date2Converted[0] &&
date1Converted[1] === date2Converted[1] && date1Converted[1] === date2Converted[1] &&
date1Converted[2] === date2Converted[2] date1Converted[2] === date2Converted[2]
);
} }
jest.mock('./current-rate.service.ts', () => { jest.mock('./current-rate.service.ts', () => {
@ -26,13 +34,17 @@ jest.mock('./current-rate.service.ts', () => {
// eslint-disable-next-line @typescript-eslint/naming-convention // eslint-disable-next-line @typescript-eslint/naming-convention
CurrentRateService: jest.fn().mockImplementation(() => { CurrentRateService: jest.fn().mockImplementation(() => {
return { return {
getValue: ({date, symbol, currency, userCurrency}: GetValueParams) => { getValue: ({
date,
symbol,
currency,
userCurrency
}: GetValueParams) => {
const today = new Date(); const today = new Date();
if (dateEqual(today, date) && symbol === 'VTI') { if (dateEqual(today, date) && symbol === 'VTI') {
return Promise.resolve(new Big('213.32')); return Promise.resolve(new Big('213.32'));
} }
return Promise.resolve(new Big('0')); return Promise.resolve(new Big('0'));
} }
}; };
@ -41,7 +53,6 @@ jest.mock('./current-rate.service.ts', () => {
}); });
describe('PortfolioCalculator', () => { describe('PortfolioCalculator', () => {
let currentRateService: CurrentRateService; let currentRateService: CurrentRateService;
beforeEach(() => { beforeEach(() => {
currentRateService = new CurrentRateService(null, null); currentRateService = new CurrentRateService(null, null);
@ -49,11 +60,17 @@ describe('PortfolioCalculator', () => {
describe('calculate transaction points', () => { describe('calculate transaction points', () => {
it('with orders of only one symbol', () => { it('with orders of only one symbol', () => {
const portfolioCalculator = new PortfolioCalculator(currentRateService, Currency.USD); const portfolioCalculator = new PortfolioCalculator(
currentRateService,
Currency.USD
);
portfolioCalculator.computeTransactionPoints(ordersVTI); portfolioCalculator.computeTransactionPoints(ordersVTI);
const portfolioItemsAtTransactionPoints = portfolioCalculator.getTransactionPoints(); const portfolioItemsAtTransactionPoints =
portfolioCalculator.getTransactionPoints();
expect(portfolioItemsAtTransactionPoints).toEqual(ordersVTITransactionPoints); expect(portfolioItemsAtTransactionPoints).toEqual(
ordersVTITransactionPoints
);
}); });
it('with two orders at the same day of the same type', () => { it('with two orders at the same day of the same type', () => {
@ -68,65 +85,79 @@ describe('PortfolioCalculator', () => {
currency: Currency.USD currency: Currency.USD
} }
]; ];
const portfolioCalculator = new PortfolioCalculator(currentRateService, Currency.USD); const portfolioCalculator = new PortfolioCalculator(
currentRateService,
Currency.USD
);
portfolioCalculator.computeTransactionPoints(orders); portfolioCalculator.computeTransactionPoints(orders);
const portfolioItemsAtTransactionPoints = portfolioCalculator.getTransactionPoints(); const portfolioItemsAtTransactionPoints =
portfolioCalculator.getTransactionPoints();
expect(portfolioItemsAtTransactionPoints).toEqual([ expect(portfolioItemsAtTransactionPoints).toEqual([
{ {
date: '2019-02-01', date: '2019-02-01',
items: [{ items: [
quantity: new Big('10'), {
symbol: 'VTI', quantity: new Big('10'),
investment: new Big('1443.8'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('1443.8'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-02-01',
}] transactionCount: 1
}
]
}, },
{ {
date: '2019-08-03', date: '2019-08-03',
items: [{ items: [
quantity: new Big('20'), {
symbol: 'VTI', quantity: new Big('20'),
investment: new Big('2923.7'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('2923.7'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 2 firstBuyDate: '2019-02-01',
}] transactionCount: 2
}
]
}, },
{ {
date: '2020-02-02', date: '2020-02-02',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'VTI', quantity: new Big('5'),
investment: new Big('652.55'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('652.55'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 3 firstBuyDate: '2019-02-01',
}] transactionCount: 3
}
]
}, },
{ {
date: '2021-02-01', date: '2021-02-01',
items: [{ items: [
quantity: new Big('35'), {
symbol: 'VTI', quantity: new Big('35'),
investment: new Big('6627.05'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('6627.05'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 5 firstBuyDate: '2019-02-01',
}] transactionCount: 5
}
]
}, },
{ {
date: '2021-08-01', date: '2021-08-01',
items: [{ items: [
quantity: new Big('45'), {
symbol: 'VTI', quantity: new Big('45'),
investment: new Big('8403.95'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('8403.95'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 6 firstBuyDate: '2019-02-01',
}] transactionCount: 6
}
]
} }
]); ]);
}); });
@ -143,104 +174,124 @@ describe('PortfolioCalculator', () => {
currency: Currency.USD currency: Currency.USD
} }
]; ];
const portfolioCalculator = new PortfolioCalculator(currentRateService, Currency.USD); const portfolioCalculator = new PortfolioCalculator(
currentRateService,
Currency.USD
);
portfolioCalculator.computeTransactionPoints(orders); portfolioCalculator.computeTransactionPoints(orders);
const portfolioItemsAtTransactionPoints = portfolioCalculator.getTransactionPoints(); const portfolioItemsAtTransactionPoints =
portfolioCalculator.getTransactionPoints();
expect(portfolioItemsAtTransactionPoints).toEqual([ expect(portfolioItemsAtTransactionPoints).toEqual([
{ {
date: '2019-02-01', date: '2019-02-01',
items: [{ items: [
quantity: new Big('10'), {
symbol: 'VTI', quantity: new Big('10'),
investment: new Big('1443.8'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('1443.8'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-02-01',
}] transactionCount: 1
}
]
}, },
{ {
date: '2019-08-03', date: '2019-08-03',
items: [{ items: [
quantity: new Big('20'), {
symbol: 'VTI', quantity: new Big('20'),
investment: new Big('2923.7'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('2923.7'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 2 firstBuyDate: '2019-02-01',
}] transactionCount: 2
}
]
}, },
{ {
date: '2019-09-01', date: '2019-09-01',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2019-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-09-01',
}, { transactionCount: 1
quantity: new Big('20'), },
symbol: 'VTI', {
investment: new Big('2923.7'), quantity: new Big('20'),
currency: Currency.USD, symbol: 'VTI',
firstBuyDate: '2019-02-01', investment: new Big('2923.7'),
transactionCount: 2 currency: Currency.USD,
}] firstBuyDate: '2019-02-01',
transactionCount: 2
}
]
}, },
{ {
date: '2020-02-02', date: '2020-02-02',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2019-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-09-01',
}, { transactionCount: 1
quantity: new Big('5'), },
symbol: 'VTI', {
investment: new Big('652.55'), quantity: new Big('5'),
currency: Currency.USD, symbol: 'VTI',
firstBuyDate: '2019-02-01', investment: new Big('652.55'),
transactionCount: 3 currency: Currency.USD,
}] firstBuyDate: '2019-02-01',
transactionCount: 3
}
]
}, },
{ {
date: '2021-02-01', date: '2021-02-01',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2019-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-09-01',
}, { transactionCount: 1
quantity: new Big('15'), },
symbol: 'VTI', {
investment: new Big('2684.05'), quantity: new Big('15'),
currency: Currency.USD, symbol: 'VTI',
firstBuyDate: '2019-02-01', investment: new Big('2684.05'),
transactionCount: 4 currency: Currency.USD,
}] firstBuyDate: '2019-02-01',
transactionCount: 4
}
]
}, },
{ {
date: '2021-08-01', date: '2021-08-01',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2019-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-09-01',
}, { transactionCount: 1
quantity: new Big('25'), },
symbol: 'VTI', {
investment: new Big('4460.95'), quantity: new Big('25'),
currency: Currency.USD, symbol: 'VTI',
firstBuyDate: '2019-02-01', investment: new Big('4460.95'),
transactionCount: 5 currency: Currency.USD,
}] firstBuyDate: '2019-02-01',
transactionCount: 5
}
]
} }
]); ]);
}); });
@ -265,173 +316,208 @@ describe('PortfolioCalculator', () => {
currency: Currency.USD currency: Currency.USD
} }
]; ];
const portfolioCalculator = new PortfolioCalculator(currentRateService, Currency.USD); const portfolioCalculator = new PortfolioCalculator(
currentRateService,
Currency.USD
);
portfolioCalculator.computeTransactionPoints(orders); portfolioCalculator.computeTransactionPoints(orders);
const portfolioItemsAtTransactionPoints = portfolioCalculator.getTransactionPoints(); const portfolioItemsAtTransactionPoints =
portfolioCalculator.getTransactionPoints();
expect(portfolioItemsAtTransactionPoints).toEqual([ expect(portfolioItemsAtTransactionPoints).toEqual([
{ {
date: '2019-02-01', date: '2019-02-01',
items: [{ items: [
quantity: new Big('10'), {
symbol: 'VTI', quantity: new Big('10'),
investment: new Big('1443.8'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('1443.8'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-02-01',
}] transactionCount: 1
}
]
}, },
{ {
date: '2019-08-03', date: '2019-08-03',
items: [{ items: [
quantity: new Big('20'), {
symbol: 'VTI', quantity: new Big('20'),
investment: new Big('2923.7'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('2923.7'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 2 firstBuyDate: '2019-02-01',
}] transactionCount: 2
}
]
}, },
{ {
date: '2019-09-01', date: '2019-09-01',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2019-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-09-01',
}, { transactionCount: 1
quantity: new Big('20'), },
symbol: 'VTI', {
investment: new Big('2923.7'), quantity: new Big('20'),
currency: Currency.USD, symbol: 'VTI',
firstBuyDate: '2019-02-01', investment: new Big('2923.7'),
transactionCount: 2 currency: Currency.USD,
}] firstBuyDate: '2019-02-01',
transactionCount: 2
}
]
}, },
{ {
date: '2020-02-02', date: '2020-02-02',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2019-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-09-01',
}, { transactionCount: 1
quantity: new Big('5'), },
symbol: 'VTI', {
investment: new Big('652.55'), quantity: new Big('5'),
currency: Currency.USD, symbol: 'VTI',
firstBuyDate: '2019-02-01', investment: new Big('652.55'),
transactionCount: 3 currency: Currency.USD,
}] firstBuyDate: '2019-02-01',
transactionCount: 3
}
]
}, },
{ {
date: '2020-08-02', date: '2020-08-02',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'VTI', quantity: new Big('5'),
investment: new Big('652.55'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('652.55'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 3 firstBuyDate: '2019-02-01',
}] transactionCount: 3
}
]
}, },
{ {
date: '2021-02-01', date: '2021-02-01',
items: [{ items: [
quantity: new Big('15'), {
symbol: 'VTI', quantity: new Big('15'),
investment: new Big('2684.05'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('2684.05'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 4 firstBuyDate: '2019-02-01',
}] transactionCount: 4
}
]
}, },
{ {
date: '2021-08-01', date: '2021-08-01',
items: [{ items: [
quantity: new Big('25'), {
symbol: 'VTI', quantity: new Big('25'),
investment: new Big('4460.95'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('4460.95'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 5 firstBuyDate: '2019-02-01',
}] transactionCount: 5
}
]
} }
]); ]);
}); });
it('with mixed symbols', () => { it('with mixed symbols', () => {
const portfolioCalculator = new PortfolioCalculator(currentRateService, Currency.USD); const portfolioCalculator = new PortfolioCalculator(
currentRateService,
Currency.USD
);
portfolioCalculator.computeTransactionPoints(ordersMixedSymbols); portfolioCalculator.computeTransactionPoints(ordersMixedSymbols);
const portfolioItemsAtTransactionPoints = portfolioCalculator.getTransactionPoints(); const portfolioItemsAtTransactionPoints =
portfolioCalculator.getTransactionPoints();
expect(portfolioItemsAtTransactionPoints).toEqual([ expect(portfolioItemsAtTransactionPoints).toEqual([
{ {
date: '2017-01-03', date: '2017-01-03',
items: [{ items: [
quantity: new Big('50'), {
symbol: 'TSLA', quantity: new Big('50'),
investment: new Big('2148.5'), symbol: 'TSLA',
currency: Currency.USD, investment: new Big('2148.5'),
firstBuyDate: '2017-01-03', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2017-01-03',
}] transactionCount: 1
}
]
}, },
{ {
date: '2017-07-01', date: '2017-07-01',
items: [{ items: [
quantity: new Big('0.5614682'), {
symbol: 'BTCUSD', quantity: new Big('0.5614682'),
investment: new Big('1999.9999999999998659756'), symbol: 'BTCUSD',
currency: Currency.USD, investment: new Big('1999.9999999999998659756'),
firstBuyDate: '2017-07-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2017-07-01',
}, { transactionCount: 1
quantity: new Big('50'), },
symbol: 'TSLA', {
investment: new Big('2148.5'), quantity: new Big('50'),
currency: Currency.USD, symbol: 'TSLA',
firstBuyDate: '2017-01-03', investment: new Big('2148.5'),
transactionCount: 1 currency: Currency.USD,
}] firstBuyDate: '2017-01-03',
transactionCount: 1
}
]
}, },
{ {
date: '2018-09-01', date: '2018-09-01',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'AMZN', quantity: new Big('5'),
investment: new Big('10109.95'), symbol: 'AMZN',
currency: Currency.USD, investment: new Big('10109.95'),
firstBuyDate: '2018-09-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2018-09-01',
}, { transactionCount: 1
quantity: new Big('0.5614682'), },
symbol: 'BTCUSD', {
investment: new Big('1999.9999999999998659756'), quantity: new Big('0.5614682'),
currency: Currency.USD, symbol: 'BTCUSD',
firstBuyDate: '2017-07-01', investment: new Big('1999.9999999999998659756'),
transactionCount: 1 currency: Currency.USD,
}, { firstBuyDate: '2017-07-01',
quantity: new Big('50'), transactionCount: 1
symbol: 'TSLA', },
investment: new Big('2148.5'), {
currency: Currency.USD, quantity: new Big('50'),
firstBuyDate: '2017-01-03', symbol: 'TSLA',
transactionCount: 1 investment: new Big('2148.5'),
}] currency: Currency.USD,
firstBuyDate: '2017-01-03',
transactionCount: 1
}
]
} }
]); ]);
}); });
}); });
describe('get current positions', () => { describe('get current positions', () => {
it('with just VTI', async () => { it('with just VTI', async () => {
const portfolioCalculator = new PortfolioCalculator(currentRateService, Currency.USD); const portfolioCalculator = new PortfolioCalculator(
currentRateService,
Currency.USD
);
portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints); portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints);
const currentPositions = await portfolioCalculator.getCurrentPositions(); const currentPositions = await portfolioCalculator.getCurrentPositions();
@ -447,12 +533,8 @@ describe('PortfolioCalculator', () => {
transactionCount: 5 transactionCount: 5
} }
}); });
});
});
})
})
}); });
const ordersMixedSymbols: PortfolioOrder[] = [ const ordersMixedSymbols: PortfolioOrder[] = [
{ {
@ -527,57 +609,67 @@ const ordersVTI: PortfolioOrder[] = [
const ordersVTITransactionPoints = [ const ordersVTITransactionPoints = [
{ {
date: '2019-02-01', date: '2019-02-01',
items: [{ items: [
quantity: new Big('10'), {
symbol: 'VTI', quantity: new Big('10'),
investment: new Big('1443.8'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('1443.8'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 1 firstBuyDate: '2019-02-01',
}] transactionCount: 1
}
]
}, },
{ {
date: '2019-08-03', date: '2019-08-03',
items: [{ items: [
quantity: new Big('20'), {
symbol: 'VTI', quantity: new Big('20'),
investment: new Big('2923.7'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('2923.7'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 2 firstBuyDate: '2019-02-01',
}] transactionCount: 2
}
]
}, },
{ {
date: '2020-02-02', date: '2020-02-02',
items: [{ items: [
quantity: new Big('5'), {
symbol: 'VTI', quantity: new Big('5'),
investment: new Big('652.55'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('652.55'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 3 firstBuyDate: '2019-02-01',
}] transactionCount: 3
}
]
}, },
{ {
date: '2021-02-01', date: '2021-02-01',
items: [{ items: [
quantity: new Big('15'), {
symbol: 'VTI', quantity: new Big('15'),
investment: new Big('2684.05'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('2684.05'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 4 firstBuyDate: '2019-02-01',
}] transactionCount: 4
}
]
}, },
{ {
date: '2021-08-01', date: '2021-08-01',
items: [{ items: [
quantity: new Big('25'), {
symbol: 'VTI', quantity: new Big('25'),
investment: new Big('4460.95'), symbol: 'VTI',
currency: Currency.USD, investment: new Big('4460.95'),
firstBuyDate: '2019-02-01', currency: Currency.USD,
transactionCount: 5 firstBuyDate: '2019-02-01',
}] transactionCount: 5
}
]
} }
]; ];

36
apps/api/src/app/core/portfolio-calculator.ts
Unescape View File

@ -4,22 +4,16 @@ import { OrderType } from '@ghostfolio/api/models/order-type';
import Big from 'big.js'; import Big from 'big.js';
export class PortfolioCalculator { export class PortfolioCalculator {
private transactionPoints: TransactionPoint[]; private transactionPoints: TransactionPoint[];
constructor( constructor(
private currentRateService: CurrentRateService, private currentRateService: CurrentRateService,
private currency: Currency private currency: Currency
) { ) {}
}
addOrder(order: PortfolioOrder): void { addOrder(order: PortfolioOrder): void {}
}
deleteOrder(order: PortfolioOrder): void { deleteOrder(order: PortfolioOrder): void {}
}
computeTransactionPoints(orders: PortfolioOrder[]) { computeTransactionPoints(orders: PortfolioOrder[]) {
orders.sort((a, b) => a.date.localeCompare(b.date)); orders.sort((a, b) => a.date.localeCompare(b.date));
@ -39,9 +33,14 @@ export class PortfolioCalculator {
const unitPrice = new Big(order.unitPrice); const unitPrice = new Big(order.unitPrice);
if (oldAccumulatedSymbol) { if (oldAccumulatedSymbol) {
currentTransactionPointItem = { currentTransactionPointItem = {
quantity: order.quantity.mul(factor).plus(oldAccumulatedSymbol.quantity), quantity: order.quantity
.mul(factor)
.plus(oldAccumulatedSymbol.quantity),
symbol: order.symbol, symbol: order.symbol,
investment: unitPrice.mul(order.quantity).mul(factor).add(oldAccumulatedSymbol.investment), investment: unitPrice
.mul(order.quantity)
.mul(factor)
.add(oldAccumulatedSymbol.investment),
currency: order.currency, currency: order.currency,
firstBuyDate: oldAccumulatedSymbol.firstBuyDate, firstBuyDate: oldAccumulatedSymbol.firstBuyDate,
transactionCount: oldAccumulatedSymbol.transactionCount + 1 transactionCount: oldAccumulatedSymbol.transactionCount + 1
@ -60,7 +59,9 @@ export class PortfolioCalculator {
symbols[order.symbol] = currentTransactionPointItem; symbols[order.symbol] = currentTransactionPointItem;
const items = lastTransactionPoint?.items ?? []; const items = lastTransactionPoint?.items ?? [];
const newItems = items.filter(transactionPointItem => transactionPointItem.symbol !== order.symbol); const newItems = items.filter(
(transactionPointItem) => transactionPointItem.symbol !== order.symbol
);
if (!currentTransactionPointItem.quantity.eq(0)) { if (!currentTransactionPointItem.quantity.eq(0)) {
newItems.push(currentTransactionPointItem); newItems.push(currentTransactionPointItem);
} else { } else {
@ -93,7 +94,8 @@ export class PortfolioCalculator {
return {}; return {};
} }
const lastTransactionPoint = this.transactionPoints[this.transactionPoints.length - 1]; const lastTransactionPoint =
this.transactionPoints[this.transactionPoints.length - 1];
const result: { [symbol: string]: TimelinePosition } = {}; const result: { [symbol: string]: TimelinePosition } = {};
for (const item of lastTransactionPoint.items) { for (const item of lastTransactionPoint.items) {
@ -117,7 +119,10 @@ export class PortfolioCalculator {
return result; return result;
} }
calculateTimeline(timelineSpecification: TimelineSpecification[], endDate: Date): TimelinePeriod[] { calculateTimeline(
timelineSpecification: TimelineSpecification[],
endDate: Date
): TimelinePeriod[] {
return null; return null;
} }
@ -136,7 +141,6 @@ export class PortfolioCalculator {
} }
return factor; return factor;
} }
} }
interface TransactionPoint { interface TransactionPoint {
@ -167,7 +171,7 @@ type Accuracy = 'year' | 'month' | 'day';
interface TimelineSpecification { interface TimelineSpecification {
start: Date; start: Date;
accuracy: Accuracy accuracy: Accuracy;
} }
interface TimelinePeriod { interface TimelinePeriod {

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