@instructure/quiz-taking/src/components/AttemptHistory/index.js

import {connect} from '@instructure/quiz-core/common/react-redux'
import {getQuizSessions} from '@instructure/quiz-core/moderating/api/quizSessions'
import {getQuizSessionById} from '@instructure/quiz-core/common/selectors/quizSessions'
import {AttemptHistory as AttemptHistoryPresenter} from './presenter'

function getAttemptData(state, attempt) {
  let authoritativeResult, quizSession
  let resultObject = {}
  if (attempt.quizSessionId) {
    quizSession = getQuizSessionById(state, attempt.quizSessionId)
    authoritativeResult = quizSession.findAuthoritativeResult()
    resultObject = authoritativeResult.toObject()
  }

  return {
    ...attempt,
    score: resultObject.score,
    pointsPossible: resultObject.pointsPossible,
  }
}

export function mapStateToProps(state, ownProps) {
  const {attemptHistory} = ownProps
  if (!attemptHistory || attemptHistory.length === 0) return {}

  let attemptHistoryWithData = attemptHistory.map(attempt => getAttemptData(state, attempt))
  if (ownProps.findAuthoritativeAttempt) {
    const authoritativeAttempt = ownProps.findAuthoritativeAttempt(attemptHistoryWithData)
    attemptHistoryWithData = attemptHistoryWithData.map(attempt => ({
      ...attempt,
      authoritative: attempt === authoritativeAttempt,
    }))
  }

  return {
    attemptHistory: attemptHistoryWithData,
  }
}

export const mapDispatchToProps = {getQuizSessions}

export const AttemptHistory = connect(mapStateToProps, mapDispatchToProps)(AttemptHistoryPresenter)
export default AttemptHistory