AgeGateExample/Presentation/CartVC/CartPresenter.swift - develop - sberpay/AgeGate-iOS

AgeGateExample/Presentation/CartVC/CartPresenter.swift
89 строк3 KB
SergeyGladkiy
[0.2.0] БДСЧ сценарий
30 июл 2026, 21:57
30 июл 2026, 21:57cbcdfcb
//
//  CartPresenter.swift
//  AgeGateExample
//
//  Created by Гладкий Сергей Игоревич on 24.07.2026.
//

import UIKit
import AgeGateSDKDEBUG

protocol CartPresenterProtocol {
    func startAgeGate(from viewController: UIViewController)
    func changeCount(_ count: Int, at index: Int)
    func item(at index: Int) -> CartItem
    var itemsCount: Int { get }
    var total: Int { get }
    var hasRestrictedItems: Bool { get }
}

final class CartPresenter: CartPresenterProtocol {

    weak var view: CartVCProtocol?

    private let values: ConfigValues
    private var items: [CartItem] = []

    init(values: ConfigValues) {
        self.values = values
        reloadItems()
    }

    var itemsCount: Int { items.count }

    var total: Int {
        items.reduce(0) { $0 + $1.price * $1.count }
    }

    var hasRestrictedItems: Bool {
        items.contains { $0.isRestricted && $0.count > 0 }
    }

    func item(at index: Int) -> CartItem { items[index] }

    func changeCount(_ count: Int, at index: Int) {
        items[index].count = count
        view?.updateTotal()
    }

    // MARK: - Запуск SDK

    func startAgeGate(from viewController: UIViewController) {
        let request = AGTRequest(scenario: .checkout,
                                 orderId: values.orderId,
                                 restrictedItemIds: restrictedIds,
                                 amountMinorUnits: total * 100)

        AgeGate.start(from: values.displayMode == .view ? viewController : nil,
                      request: request) { [weak self] result in
            self?.handle(result)
        }
    }

    private var restrictedIds: [String] {
        items.filter { $0.isRestricted && $0.count > 0 }.map(\.id)
    }

    private func handle(_ result: AGTResult) {
        switch result {
        case .paid(let orderId):
            view?.showResult(title: "Оплачено", message: "Заказ \(orderId)")
        case .ageConfirmed(let orderId):
            view?.showResult(title: "Возраст подтверждён", message: "Заказ \(orderId)")
        case .continuedWithoutRestrictedItems(let removed):
            /// Убрать позиции из корзины — задача партнёра, SDK этого не делает.
            items.removeAll { removed.contains($0.id) }
            view?.reload()
            view?.showResult(title: "Продолжили без части товаров",
                             message: "Убрано: \(removed.joined(separator: ", "))")
        case .cancelled:
            view?.showResult(title: "Отменено", message: nil)
        case .failed(let error):
            view?.showResult(title: "Ошибка", message: "\(error)")
        }
    }

    private func reloadItems() {
        items = CartItem.demo(restrictedCount: values.restrictedCount)
    }
}