134 lines
4.1 KiB
Swift
134 lines
4.1 KiB
Swift
//
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// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import SignalServiceKit
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public enum RegistrationPhoneNumberViewState: Equatable {
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case registration(RegistrationMode)
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case changingNumber(ChangingNumberMode)
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public enum RegistrationMode: Equatable {
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case initialRegistration(InitialRegistration)
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case reregistration(Reregistration)
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}
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public enum ChangingNumberMode: Equatable {
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case initialEntry(ChangeNumberInitialEntry)
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case confirmation(ChangeNumberConfirmation)
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}
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public struct InitialRegistration: Equatable {
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/// previouslyEnteredE164 is if the user entered a number, quit, and came back.
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/// Will be used to pre-populate the entry field.
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let previouslyEnteredE164: E164?
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let validationError: ValidationError?
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let canExitRegistration: Bool
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}
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public struct Reregistration: Equatable {
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let e164: E164
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let validationError: ValidationError?
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let canExitRegistration: Bool
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}
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public struct ChangeNumberInitialEntry: Equatable {
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let oldE164: E164
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let newE164: E164?
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let hasConfirmed: Bool
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let invalidNumberError: ValidationError.InvalidNumber?
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}
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public struct ChangeNumberConfirmation: Equatable {
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let oldE164: E164
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let newE164: E164
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let rateLimitedError: ValidationError.RateLimited?
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}
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public enum ValidationError: Equatable {
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case invalidNumber(InvalidNumber)
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case rateLimited(RateLimited)
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public struct InvalidNumber: Equatable {
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let invalidE164: E164
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}
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public struct RateLimited: Equatable {
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let expiration: Date
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let e164: E164
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}
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}
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}
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extension RegistrationPhoneNumberViewState.ValidationError {
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func canSubmit(e164: E164, dateProvider: DateProvider) -> Bool {
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switch self {
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case let .invalidNumber(error):
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return error.canSubmit(e164: e164)
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case let .rateLimited(error):
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return error.canSubmit(e164: e164, dateProvider: dateProvider)
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}
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}
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func warningLabelText(e164: E164, dateProvider: DateProvider) -> String? {
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switch self {
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case .invalidNumber(let error):
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return error.warningLabelText(e164: e164)
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case let .rateLimited(error):
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return error.warningLabelText(e164: e164, dateProvider: dateProvider)
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}
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}
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}
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extension RegistrationPhoneNumberViewState.ValidationError.InvalidNumber {
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func canSubmit(e164: E164) -> Bool {
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return e164 != invalidE164
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}
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func warningLabelText(e164: E164) -> String? {
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guard self.invalidE164 == e164 else {
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return nil
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}
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return OWSLocalizedString(
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"ONBOARDING_PHONE_NUMBER_VALIDATION_WARNING",
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comment: "Label indicating that the phone number is invalid in the 'onboarding phone number' view."
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)
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}
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}
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extension RegistrationPhoneNumberViewState.ValidationError.RateLimited {
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func canSubmit(e164: E164, dateProvider: DateProvider) -> Bool {
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return dateProvider() >= expiration || e164 != self.e164
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}
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func warningLabelText(e164: E164, dateProvider: DateProvider) -> String? {
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guard e164 == self.e164 else {
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return nil
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}
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let now = dateProvider()
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if now >= expiration {
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return nil
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}
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let rateLimitFormat = OWSLocalizedString(
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"ONBOARDING_PHONE_NUMBER_RATE_LIMIT_WARNING_FORMAT",
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comment: "Label indicating that registration has been ratelimited. Embeds {{remaining time string}}."
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)
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let retryAfterFormatter: DateFormatter = {
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let result = DateFormatter()
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result.dateFormat = "m:ss"
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result.timeZone = TimeZone(identifier: "UTC")!
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return result
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}()
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let timeRemaining = max(expiration.timeIntervalSince(now), 0)
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let durationString = retryAfterFormatter.string(from: Date(timeIntervalSinceReferenceDate: timeRemaining))
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return String(format: rateLimitFormat, durationString)
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}
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}
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