Impressia/Vernissage/Views/SignInView.swift

121 lines
4.2 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2022 Marcin Czachurski and the repository contributors.
// Licensed under the MIT License.
//
import SwiftUI
import MastodonSwift
struct SignInView: View {
@Environment(\.managedObjectContext) private var viewContext
@EnvironmentObject var applicationState: ApplicationState
@State private var serverAddress: String = ""
var onSignInStateChenge: (_ applicationViewMode: ApplicationViewMode) -> Void?
var body: some View {
VStack {
HStack {
TextField(
"Server address",
text: $serverAddress
)
.onSubmit {
}
.textInputAutocapitalization(.never)
.disableAutocorrection(true)
Button("Go") {
Task {
try await self.signIn()
}
}
}
}
.padding()
.navigationBarTitle("Sign in to Pixelfed")
.navigationBarTitleDisplayMode(.inline)
}
private func signIn() async throws {
let baseUrl = URL(string: serverAddress)!
let client = MastodonClient(baseURL: baseUrl)
// Verify address.
let instanceInformation = try await client.readInstanceInformation()
print(instanceInformation)
// Create application (we will get clientId amd clientSecret).
let oAuthApp = try await client.createApp(
named: "Photofed",
redirectUri: "oauth-vernissage://oauth-callback/mastodon",
scopes: Scopes(["read", "write", "follow", "push"]),
website: baseUrl)
// Authorize a user (browser, we will get clientCode).
let oAuthSwiftCredential = try await client.authenticate(
app: oAuthApp,
scope: Scopes(["read", "write", "follow", "push"]))
// Get authenticated client.
let authenticatedClient = client.getAuthenticated(token: oAuthSwiftCredential.oauthToken)
// Get account information from server.
let account = try await authenticatedClient.verifyCredentials()
// Create account object in database.
let accountDataHandler = AccountDataHandler()
let accountData = accountDataHandler.createAccountDataEntity()
accountData.id = account.id
accountData.username = account.username
accountData.acct = account.acct
accountData.displayName = account.displayName
accountData.note = account.note
accountData.url = account.url
accountData.avatar = account.avatar
accountData.header = account.header
accountData.locked = account.locked
accountData.createdAt = account.createdAt
accountData.followersCount = Int32(account.followersCount)
accountData.followingCount = Int32(account.followingCount)
accountData.statusesCount = Int32(account.statusesCount)
accountData.serverUrl = baseUrl
accountData.clientId = oAuthApp.clientId
accountData.clientSecret = oAuthApp.clientSecret
accountData.clientVapidKey = oAuthApp.vapidKey ?? ""
accountData.accessToken = oAuthSwiftCredential.oauthToken
// Download avatar image.
if let avatarUrl = account.avatar {
do {
let avatarData = try await RemoteFileService.shared.fetchData(url: avatarUrl)
accountData.avatarData = avatarData
}
catch {
print("Avatar has not been downloaded")
}
}
// Set newly created account as current.
let applicationSettingsHandler = ApplicationSettingsHandler()
let defaultSettings = applicationSettingsHandler.getDefaultSettings()
defaultSettings.currentAccount = accountData.id
// Save account data in database and in application state.
try self.viewContext.save()
self.applicationState.accountData = accountData
self.onSignInStateChenge(.mainView)
}
}
struct SignInView_Previews: PreviewProvider {
static var previews: some View {
SignInView { applicationViewMode in }
}
}