AboTracker/AboTracker/Subscription.swift

import Foundation
import SwiftUI

final class Subscription: Identifiable {
    public let id = UUID()
    var name: String
    var payments: [Payment]
    var color: Color
    
    init(name: String, payments: [Payment], color: Color) {
        self.name = name
        self.payments = payments
        self.color = color
    }
    
    func getMonthlyAmount() -> Float {
        var sum: Float = 0.0
        for payment in payments {
            switch payment.intervall {
            case .weekly:
                sum += payment.amount / 7 * 30
            case .monthly:
                sum += payment.amount
            case .quarter:
                sum += payment.amount / 3
            case .yearly:
                sum += payment.amount / 12
            }
        }
        return sum
    }
}

final class Payment: Identifiable {
    public let id = UUID()
    var amount: Float
    var intervall: PaymentIntervall
    
    init(amount: Float, intervall: PaymentIntervall) {
        self.amount = amount
        self.intervall = intervall
    }
}

enum Currency: CustomStringConvertible {
    case euro
    case dollar
    
    var description: String {
        switch self {
        case .euro:
            return "€"
        case .dollar:
            return "$"
        }
    }
}

enum PaymentIntervall: CustomStringConvertible {
    case weekly
    case monthly
    case quarter
    case yearly
    
    var description: String {
        switch self {
        case .weekly:
            return "week"
        case .monthly:
            return "month"
        case .quarter:
            return "quarter"
        case .yearly:
            return "year"
        }
    }
}