Map Targets to Job Titles

helper.js

/**
 * 1. Differentiate Senior and Junior
 * 2. Differentiate blast sequence
 * 3. Generate Job Title
 */

export const generateJobReccomendationBlast = (targets) => {
  const senior = targets.filter((item) => item.yearsOfExperience >= 3)
  const junior = targets.filter((item) => item.yearsOfExperience < 3)

  const seniorNumberOfBlast = senior
    .map((item) => item.blastSequence)
    .reduce((prev, cur) => {
      if (prev.includes(cur)) return prev
      return [...prev, cur]
    }, [])
    .sort((a, b) => a - b)
  const juniorNumberOfBlast = junior
    .map((item) => item.blastSequence)
    .reduce((prev, cur) => {
      if (prev.includes(cur)) return prev
      return [...prev, cur]
    }, [])

  const seniorBlast = seniorNumberOfBlast
    .reduce((prev, cur) => {
      return [
        ...prev,
        {
          blastSequence: cur,
          jobTitles: senior
            .filter((item) => item.blastSequence === cur)
            .map((item) => item.jobName)
            .reduce((prev, cur) => {
              if (prev.includes(cur)) return prev
              return [...prev, cur]
            }, [])
        }
      ]
    }, [])
    .sort((a, b) => a.blastSequence - b.blastSequence)
  const juniorBlast = juniorNumberOfBlast
    .reduce((prev, cur) => {
      return [
        ...prev,
        {
          blastSequence: cur,
          jobTitles: junior
            .filter((item) => item.blastSequence === cur)
            .map((item) => item.jobName)
            .reduce((prev, cur) => {
              if (prev.includes(cur)) return prev
              return [...prev, cur]
            }, [])
        }
      ]
    }, [])
    .sort((a, b) => a.blastSequence - b.blastSequence)

  return [seniorBlast, juniorBlast]
}