forked from zelo72/mastodon-ios
211 lines
9.1 KiB
Swift
211 lines
9.1 KiB
Swift
//
|
|
// MastodonRegisterViewModel.swift
|
|
// Mastodon
|
|
//
|
|
// Created by MainasuK Cirno on 2021-2-5.
|
|
//
|
|
|
|
import Combine
|
|
import Foundation
|
|
import MastodonSDK
|
|
import UIKit
|
|
|
|
final class MastodonRegisterViewModel {
|
|
var disposeBag = Set<AnyCancellable>()
|
|
|
|
// input
|
|
let domain: String
|
|
let authenticateInfo: AuthenticationViewModel.AuthenticateInfo
|
|
let instance: Mastodon.Entity.Instance
|
|
let applicationToken: Mastodon.Entity.Token
|
|
|
|
let username = CurrentValueSubject<String, Never>("")
|
|
let displayName = CurrentValueSubject<String, Never>("")
|
|
let email = CurrentValueSubject<String, Never>("")
|
|
let password = CurrentValueSubject<String, Never>("")
|
|
let reason = CurrentValueSubject<String, Never>("")
|
|
let avatarImage = CurrentValueSubject<UIImage?, Never>(nil)
|
|
|
|
let usernameErrorPrompt = CurrentValueSubject<NSAttributedString?, Never>(nil)
|
|
let emailErrorPrompt = CurrentValueSubject<NSAttributedString?, Never>(nil)
|
|
let passwordErrorPrompt = CurrentValueSubject<NSAttributedString?, Never>(nil)
|
|
let reasonErrorPrompt = CurrentValueSubject<NSAttributedString?, Never>(nil)
|
|
|
|
// output
|
|
let approvalRequired: Bool
|
|
let applicationAuthorization: Mastodon.API.OAuth.Authorization
|
|
let usernameValidateState = CurrentValueSubject<ValidateState, Never>(.empty)
|
|
let displayNameValidateState = CurrentValueSubject<ValidateState, Never>(.empty)
|
|
let emailValidateState = CurrentValueSubject<ValidateState, Never>(.empty)
|
|
let passwordValidateState = CurrentValueSubject<ValidateState, Never>(.empty)
|
|
let reasonValidateState = CurrentValueSubject<ValidateState, Never>(.empty)
|
|
|
|
let isRegistering = CurrentValueSubject<Bool, Never>(false)
|
|
let isAllValid = CurrentValueSubject<Bool, Never>(false)
|
|
let error = CurrentValueSubject<Error?, Never>(nil)
|
|
|
|
init(
|
|
domain: String,
|
|
authenticateInfo: AuthenticationViewModel.AuthenticateInfo,
|
|
instance: Mastodon.Entity.Instance,
|
|
applicationToken: Mastodon.Entity.Token
|
|
) {
|
|
self.domain = domain
|
|
self.authenticateInfo = authenticateInfo
|
|
self.instance = instance
|
|
self.applicationToken = applicationToken
|
|
self.approvalRequired = instance.approvalRequired ?? false
|
|
self.applicationAuthorization = Mastodon.API.OAuth.Authorization(accessToken: applicationToken.accessToken)
|
|
|
|
username
|
|
.map { username in
|
|
guard !username.isEmpty else { return .empty }
|
|
var isValid = true
|
|
|
|
// regex opt-out way to check validation
|
|
// allowed:
|
|
// a-z (isASCII && isLetter)
|
|
// A-Z (isASCII && isLetter)
|
|
// 0-9 (isASCII && isNumber)
|
|
// _ ("_")
|
|
for char in username {
|
|
guard char.isASCII, char.isLetter || char.isNumber || char == "_" else {
|
|
isValid = false
|
|
break
|
|
}
|
|
}
|
|
return isValid ? .valid : .invalid
|
|
}
|
|
.assign(to: \.value, on: usernameValidateState)
|
|
.store(in: &disposeBag)
|
|
displayName
|
|
.map { displayname in
|
|
guard !displayname.isEmpty else { return .empty }
|
|
return .valid
|
|
}
|
|
.assign(to: \.value, on: displayNameValidateState)
|
|
.store(in: &disposeBag)
|
|
email
|
|
.map { email in
|
|
guard !email.isEmpty else { return .empty }
|
|
return MastodonRegisterViewModel.isValidEmail(email) ? .valid : .invalid
|
|
}
|
|
.assign(to: \.value, on: emailValidateState)
|
|
.store(in: &disposeBag)
|
|
password
|
|
.map { password in
|
|
guard !password.isEmpty else { return .empty }
|
|
return password.count >= 8 ? .valid : .invalid
|
|
}
|
|
.assign(to: \.value, on: passwordValidateState)
|
|
.store(in: &disposeBag)
|
|
if approvalRequired {
|
|
reason
|
|
.map { invite in
|
|
guard !invite.isEmpty else { return .empty }
|
|
return .valid
|
|
}
|
|
.assign(to: \.value, on: reasonValidateState)
|
|
.store(in: &disposeBag)
|
|
}
|
|
|
|
error
|
|
.sink { [weak self] error in
|
|
guard let self = self else { return }
|
|
let error = error as? Mastodon.API.Error
|
|
let mastodonError = error?.mastodonError
|
|
if case let .generic(genericMastodonError) = mastodonError,
|
|
let details = genericMastodonError.details {
|
|
self.usernameErrorPrompt.value = details.usernameErrorDescriptions.first.flatMap { MastodonRegisterViewModel.errorPromptAttributedString(for: $0) }
|
|
self.emailErrorPrompt.value = details.emailErrorDescriptions.first.flatMap { MastodonRegisterViewModel.errorPromptAttributedString(for: $0) }
|
|
self.passwordErrorPrompt.value = details.passwordErrorDescriptions.first.flatMap { MastodonRegisterViewModel.errorPromptAttributedString(for: $0) }
|
|
self.reasonErrorPrompt.value = details.reasonErrorDescriptions.first.flatMap { MastodonRegisterViewModel.errorPromptAttributedString(for: $0) }
|
|
} else {
|
|
self.usernameErrorPrompt.value = nil
|
|
self.emailErrorPrompt.value = nil
|
|
self.passwordErrorPrompt.value = nil
|
|
self.reasonErrorPrompt.value = nil
|
|
}
|
|
}
|
|
.store(in: &disposeBag)
|
|
|
|
let publisherOne = Publishers.CombineLatest4(
|
|
usernameValidateState.eraseToAnyPublisher(),
|
|
displayNameValidateState.eraseToAnyPublisher(),
|
|
emailValidateState.eraseToAnyPublisher(),
|
|
passwordValidateState.eraseToAnyPublisher()
|
|
)
|
|
.map { $0.0 == .valid && $0.1 == .valid && $0.2 == .valid && $0.3 == .valid }
|
|
|
|
Publishers.CombineLatest(
|
|
publisherOne,
|
|
approvalRequired ? reasonValidateState.map {$0 == .valid}.eraseToAnyPublisher() : Just(true).eraseToAnyPublisher()
|
|
)
|
|
.map { $0 && $1 }
|
|
.assign(to: \.value, on: isAllValid)
|
|
.store(in: &disposeBag)
|
|
}
|
|
}
|
|
|
|
extension MastodonRegisterViewModel {
|
|
enum ValidateState {
|
|
case empty
|
|
case invalid
|
|
case valid
|
|
}
|
|
}
|
|
|
|
extension MastodonRegisterViewModel {
|
|
|
|
static func isValidEmail(_ email: String) -> Bool {
|
|
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
|
|
|
|
let emailPred = NSPredicate(format: "SELF MATCHES %@", emailRegEx)
|
|
return emailPred.evaluate(with: email)
|
|
}
|
|
|
|
static func checkmarkImage(font: UIFont = .preferredFont(forTextStyle: .caption1)) -> UIImage {
|
|
let configuration = UIImage.SymbolConfiguration(font: font)
|
|
return UIImage(systemName: "checkmark.circle.fill", withConfiguration: configuration)!
|
|
}
|
|
|
|
static func xmarkImage(font: UIFont = .preferredFont(forTextStyle: .caption1)) -> UIImage {
|
|
let configuration = UIImage.SymbolConfiguration(font: font)
|
|
return UIImage(systemName: "xmark.octagon.fill", withConfiguration: configuration)!
|
|
}
|
|
|
|
static func attributedStringImage(with image: UIImage, tintColor: UIColor) -> NSAttributedString {
|
|
let attachment = NSTextAttachment()
|
|
attachment.image = image.withTintColor(tintColor)
|
|
return NSAttributedString(attachment: attachment)
|
|
}
|
|
|
|
static func attributeStringForPassword(validateState: ValidateState) -> NSAttributedString {
|
|
let font = UIFont.preferredFont(forTextStyle: .caption1)
|
|
let attributeString = NSMutableAttributedString()
|
|
|
|
let image = MastodonRegisterViewModel.checkmarkImage(font: font)
|
|
attributeString.append(attributedStringImage(with: image, tintColor: validateState == .valid ? Asset.Colors.Label.primary.color : .clear))
|
|
attributeString.append(NSAttributedString(string: " "))
|
|
let eightCharactersDescription = NSAttributedString(string: L10n.Scene.Register.Input.Password.hint, attributes: [NSAttributedString.Key.font: font, NSAttributedString.Key.foregroundColor: Asset.Colors.Label.primary.color])
|
|
attributeString.append(eightCharactersDescription)
|
|
|
|
return attributeString
|
|
}
|
|
|
|
static func errorPromptAttributedString(for prompt: String) -> NSAttributedString {
|
|
let font = UIFont.preferredFont(forTextStyle: .caption1)
|
|
let attributeString = NSMutableAttributedString()
|
|
|
|
let image = MastodonRegisterViewModel.xmarkImage(font: font)
|
|
attributeString.append(attributedStringImage(with: image, tintColor: Asset.Colors.danger.color))
|
|
attributeString.append(NSAttributedString(string: " "))
|
|
|
|
let promptAttributedString = NSAttributedString(string: prompt, attributes: [NSAttributedString.Key.font: font, NSAttributedString.Key.foregroundColor: Asset.Colors.danger.color])
|
|
attributeString.append(promptAttributedString)
|
|
|
|
return attributeString
|
|
}
|
|
|
|
}
|