AppReviewSurvey Swift

import Foundation

struct AppSurveyAndReviewManager: AppSurveyAndReviewManagerDelegate {
    //MARK: - Properties
    private var _numWorkoutsRequiredInTimeframe: Int = 1000
    private var _minimumCoolDownPeriodInDays: Int = 1000

    var surveyCurrentlyBeingDisplayed: Bool = false
    var isUserCurrentlyWorkingOut: Bool = false

    var lastTimeDisplayedInDaysAgo: Int {
        let lastDateWhenSurveyWasShown = UserDefaultsModule.getDate(for: .lastDateWhenSurveyWasShown) ?? Date()
        let currentDate = Date()

        let differenceInDays = Calendar.current.dateComponents([.day], from: lastDateWhenSurveyWasShown, to: currentDate).day ?? 0
        return abs(differenceInDays)
        // return 31
    }

    var numberOfWorkoutsDoneByTheUser: Int {
        return UserDefaultsModule.getInteger(for: .workoutCountForSurveyAndReview) ?? 0
    }

    var numWorkoutsRequiredInTimeframe: Int {
        return self._numWorkoutsRequiredInTimeframe
    }

    var minimumCoolDownPeriodInDays: Int {
        return self._minimumCoolDownPeriodInDays
    }

    var isAFrequentUser: Bool {
        return self.numberOfWorkoutsDoneByTheUser >= self.numWorkoutsRequiredInTimeframe
    }

    var shouldShowSurvey: Bool {
        return self.isAFrequentUser &&
               !self.isUserCurrentlyWorkingOut &&
               (self.lastTimeDisplayedInDaysAgo > self.minimumCoolDownPeriodInDays) &&
               !self.surveyCurrentlyBeingDisplayed
    }





    //MARK: - Init
    init(numWorkoutsRequiredInTimeframe: Int, minimumCoolDownPeriodInDays: Int) {
        self._numWorkoutsRequiredInTimeframe = numWorkoutsRequiredInTimeframe
        self._minimumCoolDownPeriodInDays = minimumCoolDownPeriodInDays
    }





    //MARK: - Static Functions
    static func updateWorkoutStatus(_ currentlyWorkingOut: Bool) {
        NotificationCenter.default.post(name: .userCurrentlyWorkingOut, object: nil, userInfo: [NotificationKeys.userCurrentlyWorkingOut: currentlyWorkingOut])
    }

    static func updateSurveyDisplayStatus(_ surveyCurrentlyDisplayed: Bool) {
        NotificationCenter.default.post(name: .surveyCurrentlyBeingDisplayed, object: nil, userInfo: [NotificationKeys.surveyCurrentlyBeingDisplayed: surveyCurrentlyDisplayed])
    }

    static func tryToShowSurveyIfPossible() {
        NotificationCenter.default.post(name: .tryToShowSurveyIfPossible, object: nil)
    }
}