Empower your customers with their shareholder voice

import { APIServiceBaseClass } from '../../utils/api'
import { InstrumentService } from './InstrumentService'

export class InstrumentServiceAPI extends APIServiceBaseClass implements InstrumentService {

async batchGetInstruments(isins: string[]): Promise<Instrument[]> {

const configuration = await this.getAPIConfiguration()
const api = new InstrumentsApi(configuration)
const fetchedInstruments = await api.listInstruments({ isins })

const instrumentsMap = fetchedInstruments.instruments.reduce(
  (map, instrument) => map.set(instrument.isin, InstrumentServiceAPI.mapAPIInstrumentToInstrument(instrument)),
  new Map<string, Instrument>()
)

return isins.map((isin) => {
  const instrument = instrumentsMap.get(isin)
  if (!instrument) {
    throw Error('could not find instrument for isin')
  }
  return instrument
  })
}