80 lines
2.8 KiB
TypeScript
80 lines
2.8 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import { createHash } from 'node:crypto';
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import { investmentResourceMeta } from '../investment-resource.mapper';
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import { PortfolioService } from '../portfolio/portfolio.api';
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import { TbankSyncRepository } from '../tbank-sync/tbank-sync.repository';
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import { BrokerageAccountDto, BrokerageAccountsResourceDto } from './brokerage-account.dto';
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@Injectable()
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export class BrokerageAccountsService {
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constructor(
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private readonly portfolio: PortfolioService,
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private readonly sync: TbankSyncRepository,
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) {}
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async list(userId: string): Promise<BrokerageAccountsResourceDto> {
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const saved = await this.portfolio.saved(userId, 'all');
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const data: BrokerageAccountDto[] | null =
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saved.membership.completeness === 'incomplete'
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? null
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: saved.accounts.map((account) => ({
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id: account.id,
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name: account.name,
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type: account.type as BrokerageAccountDto['type'],
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openedOn: account.openedOn,
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portfolioSummary: account.snapshot
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? {
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totalsByCurrency: account.snapshot.totalsByCurrency,
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stockPositionCount: account.snapshot.positions.filter(
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(position) => position.type === 'STOCK',
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).length,
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bondPositionCount: account.snapshot.positions.filter(
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(position) => position.type === 'BOND',
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).length,
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}
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: null,
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}));
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// The read-only result of the last hourly walk; never starts one.
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const hourly = await this.sync.hourly(userId);
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return {
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data,
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meta: investmentResourceMeta({
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resourceKey: 'accounts',
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dataRevision: createHash('sha256')
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.update(
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JSON.stringify([
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saved.membership.dataRevision,
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saved.accounts.map((account) => [
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account.id,
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account.meta.dataRevision,
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]),
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]),
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)
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.digest('base64url'),
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availability:
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data === null
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? 'missing'
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: 'complete',
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fetchedAt: saved.membership.lastSuccessfulAt
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? new Date(saved.membership.lastSuccessfulAt)
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: null,
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freshForMs: 3_600_000,
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work: null,
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dependencies: saved.accounts.map((account) => account.meta),
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}),
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sync: hourly
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? {
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state: hourly.state,
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startedAt: hourly.startedAt.toISOString(),
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finishedAt: hourly.finishedAt?.toISOString() ?? null,
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problems: hourly.sections.map((section) => ({
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...section,
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accountId: section.accountId ?? null,
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})),
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}
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: null,
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};
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}
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}
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