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PostListView.swift
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PostListView.swift
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import SwiftUI
struct PostListView: View {
@EnvironmentObject var model: WriteFreelyModel
@Environment(\.managedObjectContext) var moc
@State var selectedCollection: WFACollection?
@State var showAllPosts: Bool = false
var body: some View {
#if os(iOS)
GeometryReader { geometry in
PostListFilteredView(filter: selectedCollection?.alias, showAllPosts: showAllPosts)
.navigationTitle(
showAllPosts ? "All Posts" : selectedCollection?.title ?? (
model.account.server == "https://write.as" ? "Anonymous" : "Drafts"
)
)
.toolbar {
ToolbarItem(placement: .primaryAction) {
Button(action: {
createNewLocalDraft()
}, label: {
Image(systemName: "square.and.pencil")
})
}
ToolbarItem(placement: .bottomBar) {
HStack {
Button(action: {
model.isPresentingSettingsView = true
}, label: {
Image(systemName: "gear")
})
.padding(.leading)
Spacer()
Text(pluralizedPostCount(for: showPosts(for: selectedCollection)))
.foregroundColor(.secondary)
Spacer()
Button(action: {
reloadFromServer()
}, label: {
Image(systemName: "arrow.clockwise")
})
.disabled(!model.account.isLoggedIn || !model.hasNetworkConnection)
}
.padding()
.frame(width: geometry.size.width)
}
}
}
#else //if os(macOS)
PostListFilteredView(filter: selectedCollection?.alias, showAllPosts: showAllPosts)
.navigationTitle(
showAllPosts ? "All Posts" : selectedCollection?.title ?? (
model.account.server == "https://write.as" ? "Anonymous" : "Drafts"
)
)
.navigationSubtitle(pluralizedPostCount(for: showPosts(for: selectedCollection)))
.toolbar {
Button(action: {
createNewLocalDraft()
}, label: {
Image(systemName: "square.and.pencil")
})
Button(action: {
reloadFromServer()
}, label: {
Image(systemName: "arrow.clockwise")
})
.disabled(!model.account.isLoggedIn || !model.hasNetworkConnection)
}
#endif
}
private func pluralizedPostCount(for posts: [WFAPost]) -> String {
if posts.count == 1 {
return "1 post"
} else {
return "\(posts.count) posts"
}
}
private func showPosts(for collection: WFACollection?) -> [WFAPost] {
if showAllPosts {
return model.posts.userPosts
} else {
if let selectedCollection = collection {
return model.posts.userPosts.filter { $0.collectionAlias == selectedCollection.alias }
} else {
return model.posts.userPosts.filter { $0.collectionAlias == nil }
}
}
}
private func reloadFromServer() {
DispatchQueue.main.async {
model.fetchUserCollections()
model.fetchUserPosts()
}
}
private func createNewLocalDraft() {
let managedPost = WFAPost(context: LocalStorageManager.persistentContainer.viewContext)
managedPost.createdDate = Date()
managedPost.title = ""
managedPost.body = ""
managedPost.status = PostStatus.local.rawValue
switch model.preferences.font {
case 1:
managedPost.appearance = "sans"
case 2:
managedPost.appearance = "wrap"
default:
managedPost.appearance = "serif"
}
if let languageCode = Locale.current.languageCode {
managedPost.language = languageCode
managedPost.rtl = Locale.characterDirection(forLanguage: languageCode) == .rightToLeft
}
if let selectedCollectionAlias = selectedCollection?.alias {
managedPost.collectionAlias = selectedCollectionAlias
}
DispatchQueue.main.async {
LocalStorageManager().saveContext()
}
model.selectedPost = managedPost
}
}
struct PostListView_Previews: PreviewProvider {
static var previews: some View {
let context = LocalStorageManager.persistentContainer.viewContext
let model = WriteFreelyModel()
return PostListView()
.environment(\.managedObjectContext, context)
.environmentObject(model)
}
}

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