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diff --git a/Shared/Models/WriteFreelyModel.swift b/Shared/Models/WriteFreelyModel.swift
index 59835f8..5923939 100644
--- a/Shared/Models/WriteFreelyModel.swift
+++ b/Shared/Models/WriteFreelyModel.swift
@@ -1,396 +1,397 @@
import Foundation
import WriteFreely
import Security
import Network
// MARK: - WriteFreelyModel
class WriteFreelyModel: ObservableObject {
@Published var account = AccountModel()
@Published var preferences = PreferencesModel()
@Published var posts = PostListModel()
@Published var isLoggingIn: Bool = false
@Published var hasNetworkConnection: Bool = false
@Published var selectedPost: WFAPost?
-
+ @Published var isPresentingDeleteAlert: Bool = false
+ @Published var postToDelete: WFAPost?
#if os(iOS)
@Published var isPresentingSettingsView: Bool = false
#endif
let helpURL = URL(string: "https://discuss.write.as/c/help/5")!
private var client: WFClient?
private let defaults = UserDefaults.standard
private let monitor = NWPathMonitor()
private let queue = DispatchQueue(label: "NetworkMonitor")
init() {
DispatchQueue.main.async {
self.preferences.appearance = self.defaults.integer(forKey: self.preferences.colorSchemeIntegerKey)
self.account.restoreState()
if self.account.isLoggedIn {
guard let serverURL = URL(string: self.account.server) else {
print("Server URL not found")
return
}
guard let token = self.fetchTokenFromKeychain(
username: self.account.username,
server: self.account.server
) else {
print("Could not fetch token from Keychain")
return
}
self.account.login(WFUser(token: token, username: self.account.username))
self.client = WFClient(for: serverURL)
self.client?.user = self.account.user
self.fetchUserCollections()
self.fetchUserPosts()
}
}
monitor.pathUpdateHandler = { path in
DispatchQueue.main.async {
self.hasNetworkConnection = path.status == .satisfied
}
}
monitor.start(queue: queue)
}
}
// MARK: - WriteFreelyModel API
extension WriteFreelyModel {
func login(to server: URL, as username: String, password: String) {
isLoggingIn = true
account.server = server.absoluteString
client = WFClient(for: server)
client?.login(username: username, password: password, completion: loginHandler)
}
func logout() {
guard let loggedInClient = client else {
do {
try purgeTokenFromKeychain(username: account.username, server: account.server)
account.logout()
} catch {
fatalError("Failed to log out persisted state")
}
return
}
loggedInClient.logout(completion: logoutHandler)
}
func fetchUserCollections() {
guard let loggedInClient = client else { return }
loggedInClient.getUserCollections(completion: fetchUserCollectionsHandler)
}
func fetchUserPosts() {
guard let loggedInClient = client else { return }
loggedInClient.getPosts(completion: fetchUserPostsHandler)
}
func publish(post: WFAPost) {
guard let loggedInClient = client else { return }
if post.language == nil {
if let languageCode = Locale.current.languageCode {
post.language = languageCode
post.rtl = Locale.characterDirection(forLanguage: languageCode) == .rightToLeft
}
}
var wfPost = WFPost(
body: post.body,
title: post.title.isEmpty ? "" : post.title,
appearance: post.appearance,
language: post.language,
rtl: post.rtl,
createdDate: post.createdDate
)
if let existingPostId = post.postId {
// This is an existing post.
wfPost.postId = post.postId
wfPost.slug = post.slug
wfPost.updatedDate = post.updatedDate
wfPost.collectionAlias = post.collectionAlias
loggedInClient.updatePost(
postId: existingPostId,
updatedPost: wfPost,
completion: publishHandler
)
} else {
// This is a new local draft.
loggedInClient.createPost(
post: wfPost, in: post.collectionAlias, completion: publishHandler
)
}
}
func updateFromServer(post: WFAPost) {
guard let loggedInClient = client else { return }
guard let postId = post.postId else { return }
DispatchQueue.main.async {
self.selectedPost = post
}
if let postCollectionAlias = post.collectionAlias,
let postSlug = post.slug {
loggedInClient.getPost(bySlug: postSlug, from: postCollectionAlias, completion: updateFromServerHandler)
} else {
loggedInClient.getPost(byId: postId, completion: updateFromServerHandler)
}
}
}
private extension WriteFreelyModel {
func loginHandler(result: Result<WFUser, Error>) {
DispatchQueue.main.async {
self.isLoggingIn = false
}
do {
let user = try result.get()
fetchUserCollections()
fetchUserPosts()
saveTokenToKeychain(user.token, username: user.username, server: account.server)
DispatchQueue.main.async {
self.account.login(user)
}
} catch WFError.notFound {
DispatchQueue.main.async {
self.account.currentError = AccountError.usernameNotFound
}
} catch WFError.unauthorized {
DispatchQueue.main.async {
self.account.currentError = AccountError.invalidPassword
}
} catch {
if (error as NSError).domain == NSURLErrorDomain,
(error as NSError).code == -1003 {
DispatchQueue.main.async {
self.account.currentError = AccountError.serverNotFound
}
}
}
}
func logoutHandler(result: Result<Bool, Error>) {
do {
_ = try result.get()
do {
try purgeTokenFromKeychain(username: account.user?.username, server: account.server)
client = nil
DispatchQueue.main.async {
self.account.logout()
LocalStorageManager().purgeUserCollections()
self.posts.purgeAllPosts()
}
} catch {
print("Something went wrong purging the token from the Keychain.")
}
} catch WFError.notFound {
// The user token is invalid or doesn't exist, so it's been invalidated by the server. Proceed with
// purging the token from the Keychain, destroying the client object, and setting the AccountModel to its
// logged-out state.
do {
try purgeTokenFromKeychain(username: account.user?.username, server: account.server)
client = nil
DispatchQueue.main.async {
self.account.logout()
LocalStorageManager().purgeUserCollections()
self.posts.purgeAllPosts()
}
} catch {
print("Something went wrong purging the token from the Keychain.")
}
} catch {
// We get a 'cannot parse response' (similar to what we were seeing in the Swift package) NSURLError here,
// so we're using a hacky workaround — if we get the NSURLError, but the AccountModel still thinks we're
// logged in, try calling the logout function again and see what we get.
// Conditional cast from 'Error' to 'NSError' always succeeds but is the only way to check error properties.
if (error as NSError).domain == NSURLErrorDomain,
(error as NSError).code == NSURLErrorCannotParseResponse {
if account.isLoggedIn {
self.logout()
}
}
}
}
func fetchUserCollectionsHandler(result: Result<[WFCollection], Error>) {
do {
let fetchedCollections = try result.get()
for fetchedCollection in fetchedCollections {
DispatchQueue.main.async {
let localCollection = WFACollection(context: LocalStorageManager.persistentContainer.viewContext)
localCollection.alias = fetchedCollection.alias
localCollection.blogDescription = fetchedCollection.description
localCollection.email = fetchedCollection.email
localCollection.isPublic = fetchedCollection.isPublic ?? false
localCollection.styleSheet = fetchedCollection.styleSheet
localCollection.title = fetchedCollection.title
localCollection.url = fetchedCollection.url
}
}
DispatchQueue.main.async {
LocalStorageManager().saveContext()
}
} catch {
print(error)
}
}
func fetchUserPostsHandler(result: Result<[WFPost], Error>) {
do {
let fetchedPosts = try result.get()
for fetchedPost in fetchedPosts {
// For each fetched post, we
// 1. check to see if a matching post exists
if let managedPost = posts.userPosts.first(where: { $0.postId == fetchedPost.postId }) {
// If it exists, we set the hasNewerRemoteCopy flag as appropriate.
if let fetchedPostUpdatedDate = fetchedPost.updatedDate,
let localPostUpdatedDate = managedPost.updatedDate {
managedPost.hasNewerRemoteCopy = fetchedPostUpdatedDate > localPostUpdatedDate
} else {
print("Error: could not determine which copy of post is newer")
}
} else {
// If it doesn't exist, we create the managed object.
let managedPost = WFAPost(context: LocalStorageManager.persistentContainer.viewContext)
managedPost.postId = fetchedPost.postId
managedPost.slug = fetchedPost.slug
managedPost.appearance = fetchedPost.appearance
managedPost.language = fetchedPost.language
managedPost.rtl = fetchedPost.rtl ?? false
managedPost.createdDate = fetchedPost.createdDate
managedPost.updatedDate = fetchedPost.updatedDate
managedPost.title = fetchedPost.title ?? ""
managedPost.body = fetchedPost.body
managedPost.collectionAlias = fetchedPost.collectionAlias
managedPost.status = PostStatus.published.rawValue
}
}
DispatchQueue.main.async {
LocalStorageManager().saveContext()
self.posts.loadCachedPosts()
}
} catch {
print(error)
}
}
func publishHandler(result: Result<WFPost, Error>) {
do {
let fetchedPost = try result.get()
let foundPostIndex = posts.userPosts.firstIndex(where: {
$0.title == fetchedPost.title && $0.body == fetchedPost.body
})
guard let index = foundPostIndex else { return }
let cachedPost = self.posts.userPosts[index]
cachedPost.appearance = fetchedPost.appearance
cachedPost.body = fetchedPost.body
cachedPost.collectionAlias = fetchedPost.collectionAlias
cachedPost.createdDate = fetchedPost.createdDate
cachedPost.language = fetchedPost.language
cachedPost.postId = fetchedPost.postId
cachedPost.rtl = fetchedPost.rtl ?? false
cachedPost.slug = fetchedPost.slug
cachedPost.status = PostStatus.published.rawValue
cachedPost.title = fetchedPost.title ?? ""
cachedPost.updatedDate = fetchedPost.updatedDate
DispatchQueue.main.async {
LocalStorageManager().saveContext()
}
} catch {
print(error)
}
}
func updateFromServerHandler(result: Result<WFPost, Error>) {
// ⚠️ NOTE:
// The API does not return a collection alias, so we take care not to overwrite the
// cached post's collection alias with the 'nil' value from the fetched post.
// See: https://github.com/writeas/writefreely-swift/issues/20
do {
let fetchedPost = try result.get()
guard let cachedPost = self.selectedPost else { return }
cachedPost.appearance = fetchedPost.appearance
cachedPost.body = fetchedPost.body
cachedPost.createdDate = fetchedPost.createdDate
cachedPost.language = fetchedPost.language
cachedPost.postId = fetchedPost.postId
cachedPost.rtl = fetchedPost.rtl ?? false
cachedPost.slug = fetchedPost.slug
cachedPost.status = PostStatus.published.rawValue
cachedPost.title = fetchedPost.title ?? ""
cachedPost.updatedDate = fetchedPost.updatedDate
cachedPost.hasNewerRemoteCopy = false
DispatchQueue.main.async {
LocalStorageManager().saveContext()
}
} catch {
print(error)
}
}
}
private extension WriteFreelyModel {
// MARK: - Keychain Helpers
func saveTokenToKeychain(_ token: String, username: String?, server: String) {
let query: [String: Any] = [
kSecClass as String: kSecClassGenericPassword,
kSecValueData as String: token.data(using: .utf8)!,
kSecAttrAccount as String: username ?? "anonymous",
kSecAttrService as String: server
]
let status = SecItemAdd(query as CFDictionary, nil)
guard status == errSecDuplicateItem || status == errSecSuccess else {
fatalError("Error storing in Keychain with OSStatus: \(status)")
}
}
func purgeTokenFromKeychain(username: String?, server: String) throws {
let query: [String: Any] = [
kSecClass as String: kSecClassGenericPassword,
kSecAttrAccount as String: username ?? "anonymous",
kSecAttrService as String: server
]
let status = SecItemDelete(query as CFDictionary)
guard status == errSecSuccess || status == errSecItemNotFound else {
fatalError("Error deleting from Keychain with OSStatus: \(status)")
}
}
func fetchTokenFromKeychain(username: String?, server: String) -> String? {
let query: [String: Any] = [
kSecClass as String: kSecClassGenericPassword,
kSecAttrAccount as String: username ?? "anonymous",
kSecAttrService as String: server,
kSecMatchLimit as String: kSecMatchLimitOne,
kSecReturnAttributes as String: true,
kSecReturnData as String: true
]
var secItem: CFTypeRef?
let status = SecItemCopyMatching(query as CFDictionary, &secItem)
guard status != errSecItemNotFound else {
return nil
}
guard status == errSecSuccess else {
fatalError("Error fetching from Keychain with OSStatus: \(status)")
}
guard let existingSecItem = secItem as? [String: Any],
let tokenData = existingSecItem[kSecValueData as String] as? Data,
let token = String(data: tokenData, encoding: .utf8) else {
return nil
}
return token
}
}
diff --git a/Shared/Navigation/ContentView.swift b/Shared/Navigation/ContentView.swift
index 8cbefca..732b187 100644
--- a/Shared/Navigation/ContentView.swift
+++ b/Shared/Navigation/ContentView.swift
@@ -1,40 +1,58 @@
import SwiftUI
struct ContentView: View {
@EnvironmentObject var model: WriteFreelyModel
var body: some View {
NavigationView {
SidebarView()
PostListView(selectedCollection: nil, showAllPosts: true)
Text("Select a post, or create a new local draft.")
.foregroundColor(.secondary)
}
.environmentObject(model)
+ .alert(isPresented: $model.isPresentingDeleteAlert) {
+ Alert(
+ title: Text("Delete Post?"),
+ message: Text("This action cannot be undone."),
+ primaryButton: .destructive(Text("Delete"), action: {
+ if let postToDelete = model.postToDelete {
+ model.selectedPost = nil
+ withAnimation {
+ model.posts.remove(postToDelete)
+ }
+ model.postToDelete = nil
+ }
+ }),
+ secondaryButton: .cancel() {
+ model.postToDelete = nil
+ }
+ )
+ }
#if os(iOS)
EmptyView()
.sheet(
isPresented: $model.isPresentingSettingsView,
onDismiss: { model.isPresentingSettingsView = false },
content: {
SettingsView()
.environmentObject(model)
}
)
#endif
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
let context = LocalStorageManager.persistentContainer.viewContext
let model = WriteFreelyModel()
return ContentView()
.environment(\.managedObjectContext, context)
.environmentObject(model)
}
}
diff --git a/Shared/PostList/PostListFilteredView.swift b/Shared/PostList/PostListFilteredView.swift
index f89f081..9f72c94 100644
--- a/Shared/PostList/PostListFilteredView.swift
+++ b/Shared/PostList/PostListFilteredView.swift
@@ -1,50 +1,89 @@
import SwiftUI
struct PostListFilteredView: View {
@EnvironmentObject var model: WriteFreelyModel
+
var fetchRequest: FetchRequest<WFAPost>
init(filter: String?, showAllPosts: Bool) {
if showAllPosts {
fetchRequest = FetchRequest<WFAPost>(
entity: WFAPost.entity(),
sortDescriptors: [NSSortDescriptor(key: "createdDate", ascending: false)]
)
} else {
if let filter = filter {
fetchRequest = FetchRequest<WFAPost>(
entity: WFAPost.entity(),
sortDescriptors: [NSSortDescriptor(key: "createdDate", ascending: false)],
predicate: NSPredicate(format: "collectionAlias == %@", filter)
)
} else {
fetchRequest = FetchRequest<WFAPost>(
entity: WFAPost.entity(),
sortDescriptors: [NSSortDescriptor(key: "createdDate", ascending: false)],
predicate: NSPredicate(format: "collectionAlias == nil")
)
}
}
}
var body: some View {
- List(fetchRequest.wrappedValue, id: \.self) { post in
- NavigationLink(
- destination: PostEditorView(post: post),
- tag: post,
- selection: $model.selectedPost
- ) {
- PostCellView(post: post)
+ #if os(iOS)
+ List {
+ ForEach(fetchRequest.wrappedValue, id: \.self) { post in
+ NavigationLink(
+ destination: PostEditorView(post: post),
+ tag: post,
+ selection: $model.selectedPost
+ ) {
+ PostCellView(post: post)
+ }
+ .deleteDisabled(post.status != PostStatus.local.rawValue)
+ }
+ .onDelete(perform: { indexSet in
+ for index in indexSet {
+ let post = fetchRequest.wrappedValue[index]
+ delete(post)
+ }
+ })
+ }
+ #else
+ List {
+ ForEach(fetchRequest.wrappedValue, id: \.self) { post in
+ NavigationLink(
+ destination: PostEditorView(post: post),
+ tag: post,
+ selection: $model.selectedPost
+ ) {
+ PostCellView(post: post)
+ }
+ .deleteDisabled(post.status != PostStatus.local.rawValue)
}
+ .onDelete(perform: { indexSet in
+ for index in indexSet {
+ let post = fetchRequest.wrappedValue[index]
+ delete(post)
+ }
+ })
}
+ .onDeleteCommand(perform: {
+ guard let selectedPost = model.selectedPost else { return }
+ if selectedPost.status == PostStatus.local.rawValue {
+ model.postToDelete = selectedPost
+ model.isPresentingDeleteAlert = true
+ }
+ })
+ #endif
+ }
+
+ func delete(_ post: WFAPost) {
+ model.posts.remove(post)
}
}
struct PostListFilteredView_Previews: PreviewProvider {
static var previews: some View {
- let context = LocalStorageManager.persistentContainer.viewContext
-
return PostListFilteredView(filter: nil, showAllPosts: false)
- .environment(\.managedObjectContext, context)
}
}
diff --git a/Shared/PostList/PostListModel.swift b/Shared/PostList/PostListModel.swift
index aab1ebd..9dea70a 100644
--- a/Shared/PostList/PostListModel.swift
+++ b/Shared/PostList/PostListModel.swift
@@ -1,36 +1,41 @@
import SwiftUI
import CoreData
class PostListModel: ObservableObject {
@Published var userPosts = [WFAPost]()
init() {
loadCachedPosts()
}
func loadCachedPosts() {
let request = WFAPost.createFetchRequest()
let sort = NSSortDescriptor(key: "createdDate", ascending: false)
request.sortDescriptors = [sort]
userPosts = []
do {
let cachedPosts = try LocalStorageManager.persistentContainer.viewContext.fetch(request)
userPosts.append(contentsOf: cachedPosts)
} catch {
print("Error: Failed to fetch cached posts.")
}
}
+ func remove(_ post: WFAPost) {
+ LocalStorageManager.persistentContainer.viewContext.delete(post)
+ LocalStorageManager().saveContext()
+ }
+
func purgeAllPosts() {
userPosts = []
let fetchRequest: NSFetchRequest<NSFetchRequestResult> = NSFetchRequest(entityName: "WFAPost")
let deleteRequest = NSBatchDeleteRequest(fetchRequest: fetchRequest)
do {
try LocalStorageManager.persistentContainer.viewContext.executeAndMergeChanges(using: deleteRequest)
} catch {
print("Error: Failed to purge cached posts.")
}
}
}
diff --git a/WriteFreely-MultiPlatform.xcodeproj/xcuserdata/angelo.xcuserdatad/xcschemes/xcschememanagement.plist b/WriteFreely-MultiPlatform.xcodeproj/xcuserdata/angelo.xcuserdatad/xcschemes/xcschememanagement.plist
index 2723ebe..6cd8075 100644
--- a/WriteFreely-MultiPlatform.xcodeproj/xcuserdata/angelo.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/WriteFreely-MultiPlatform.xcodeproj/xcuserdata/angelo.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -1,19 +1,19 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>SchemeUserState</key>
<dict>
<key>WriteFreely-MultiPlatform (iOS).xcscheme_^#shared#^_</key>
<dict>
<key>orderHint</key>
- <integer>0</integer>
+ <integer>1</integer>
</dict>
<key>WriteFreely-MultiPlatform (macOS).xcscheme_^#shared#^_</key>
<dict>
<key>orderHint</key>
- <integer>1</integer>
+ <integer>0</integer>
</dict>
</dict>
</dict>
</plist>
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