@andreabiagini5/applicazioni-e-servizi-web-project/server/services/matchmaking/logic.js

Project for Applicazioni e Servizi Web.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getMaxDiff = exports.isValidMatch = void 0;
/**
 * Checks if two candidates are a valid match based on their ratings and the time since their requests.
 * The longer the time since the request, the larger the allowed difference.
 * @param candidate1 The first candidate.
 * @param candidate2 The second candidate.
 * @returns True if the candidates are a valid match, false otherwise.
 */
const isValidMatch = async (candidate1, candidate2) => {
    if (candidate1.equals(candidate2)) {
        return false; // Players cannot match with themselves
    }
    // setting max difference to the one of the player with the lowest one
    const maxDiff1 = (0, exports.getMaxDiff)(candidate1.requestTime);
    const maxDiff2 = (0, exports.getMaxDiff)(candidate2.requestTime);
    const maxDiff = Math.min(maxDiff1, maxDiff2);
    return Math.abs(candidate1.rating.value - candidate2.rating.value) <= maxDiff;
};
exports.isValidMatch = isValidMatch;
/**
 * Calculates the maximum allowed rating difference based on the time since the request was made.
 * The longer the time since the request, the larger the allowed difference.
 * @param requestTime The time when the matchmaking request was made.
 * @returns The maximum allowed rating difference.
 */
const getMaxDiff = (requestTime) => {
    const baseDiff = 100;
    const currentTime = new Date();
    const timeDiff = Math.abs(currentTime.getTime() - requestTime.getTime());
    // add 100 to baseDiff for every 10 seconds
    const diffInSeconds = Math.floor(timeDiff / 1000);
    const maxDiff = Math.floor(diffInSeconds / 10) * 100 + baseDiff;
    return maxDiff;
};
exports.getMaxDiff = getMaxDiff;
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