siimee/backend/lib/services/match-maker.js

const similarity = require('compute-cosine-similarity')
const magic = 1000

const ScoreKeeper = {
    score: (seeker, potentialMatch) => {
        const seekerResponseValues = seeker.profileResponses.map(res =>
            parseInt(Object.values(res)),
        )
        const potentialMatchResponseValues =
            potentialMatch.profileResponses.map(res =>
                parseInt(Object.values(res)),
            )
        return Math.floor(
            similarity(seekerResponseValues, potentialMatchResponseValues) *
                magic,
        )
    },
}

module.exports = class MatchMaker {
    constructor(settings) {
        this.proposer = settings.proposer

        // Score main profile
        this.keeper = ScoreKeeper
    }
    runPrematch(settings) {
        // grab all profiles form the db

        // grab all responses
        // grab all response keys
        // create a full response object
        // create a full profile of responses

        const unscreenedProfiles = []
        const screenedProfiles = []

        for (const profile in unscreenedProfiles) {
            // Do something here
            if (!settings) {
                return
            }
            screenedProfiles.push(profile)
        }

        return screenedProfiles
    }
    matchFor(proposer, profiles, settings) {
        // Do something here
        return this.runPrematch(profiles, settings)
    }
    scoreProfiles(profiles) {
        const matchScores = []
        for (const profile in this.profiles) {
            const scored = this.keeper.score(profile)
            matchScores.push(scored)
        }
        return matchScores
    }
}