helper.js

const getBestTweet = function(data) {
  let bestTweetId = 0, bestTweetPoints = 0, bestTweetUser = ''
  data.forEach((tweet) => {
    const metrics = tweet.public_metrics
    let currentTweetPoints = metrics.like_count + metrics.retweet_count*5 + metrics.quote_count*2 + metrics.reply_count*2
    if(currentTweetPoints > bestTweetPoints) {
      bestTweetPoints = currentTweetPoints
      bestTweetId = tweet.id
      bestTweetUser = tweet.author_id
    }
  })

  return {bestTweetId: bestTweetId, bestTweetUser: bestTweetUser}
}

const getFromClauses = function(userList) {
  let fromClause = ""
  const users = userList.split(",")
  for(const user in users) {
    fromClause += 'OR '+ 'from:' + users[user] + ' '
  }
  fromClause = fromClause.substring(3)
  return fromClause
}

const getStatus = function(tweetId, user) {
  return "Here's what @"+ user+" has been upto" + "\nhttps://twitter.com/" + user + "/status/" + tweetId
}

const getUsernameFromId = function(users, id) {
  for(const user in users) {
    obj = users[user]
    if(obj.id === id) {
      return obj.username;
    }
  }
}

exports.getFromClauses = getFromClauses
exports.getBestTweet = getBestTweet
exports.getStatus = getStatus
exports.getUsernameFromId = getUsernameFromId