Impressia/Vernissage/Views/ComposeView/ComposeView.swift

417 lines
18 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2023 Marcin Czachurski and the repository contributors.
// Licensed under the MIT License.
//
import SwiftUI
import PhotosUI
import PixelfedKit
struct ComposeView: View {
@EnvironmentObject var applicationState: ApplicationState
@EnvironmentObject var routerPath: RouterPath
@EnvironmentObject var client: Client
@Environment(\.dismiss) private var dismiss
@State var statusViewModel: StatusModel?
@State private var text = String.empty()
@State private var isSensitive = false
@State private var spoilerText = String.empty()
@State private var commentsDisabled = false
@State private var place: Place?
@State private var photosAreAttached = false
@State private var publishDisabled = true
@State private var interactiveDismissDisabled = false
@State private var photosAreUploading = false
@State private var photosPickerVisible = false
@State private var selectedItems: [PhotosPickerItem] = []
@State private var photosAttachment: [PhotoAttachment] = []
@State private var visibility = Pixelfed.Statuses.Visibility.pub
@State private var visibilityText = "Everyone"
@State private var visibilityImage = "globe.europe.africa"
@FocusState private var focusedField: FocusField?
enum FocusField: Hashable {
case unknown
case content
case spoilerText
}
@State private var showSheet: SheetType? = nil
enum SheetType: Identifiable {
case photoDetails(PhotoAttachment)
case placeSelector
public var id: String {
switch self {
case .photoDetails:
return "photoDetails"
case .placeSelector:
return "placeSelector"
}
}
}
private let contentWidth = Int(UIScreen.main.bounds.width) - 50
var body: some View {
NavigationStack {
NavigationView {
ScrollView {
VStack (alignment: .leading){
if self.isSensitive {
TextField("Write content warning", text: $spoilerText, axis: .vertical)
.padding(8)
.lineLimit(1...2)
.focused($focusedField, equals: .spoilerText)
.keyboardType(.default)
.background(Color.dangerColor.opacity(0.4))
}
if self.commentsDisabled {
HStack {
Spacer()
Text("Comments will be disabled")
.textCase(.uppercase)
.font(.caption2)
.foregroundColor(.dangerColor)
}
.padding(.horizontal, 8)
}
if let accountData = applicationState.account {
HStack {
UsernameRow(
accountId: accountData.id,
accountAvatar: accountData.avatar,
accountDisplayName: accountData.displayName,
accountUsername: accountData.username)
Spacer()
}
.padding(.horizontal, 8)
}
HStack {
if let name = self.place?.name, let country = self.place?.country {
Group {
Image(systemName: "mappin.and.ellipse")
Text("\(name), \(country)")
}
.foregroundColor(.lightGrayColor)
}
Spacer()
Menu {
Button {
self.visibility = .pub
self.visibilityText = "Everyone"
self.visibilityImage = "globe.europe.africa"
} label: {
Label("Everyone", systemImage: "globe.europe.africa")
}
Button {
self.visibility = .unlisted
self.visibilityText = "Unlisted"
self.visibilityImage = "lock.open"
} label: {
Label("Unlisted", systemImage: "lock.open")
}
Button {
self.visibility = .priv
self.visibilityText = "Followers"
self.visibilityImage = "lock"
} label: {
Label("Followers", systemImage: "lock")
}
} label: {
HStack {
Label(self.visibilityText, systemImage: self.visibilityImage)
Image(systemName: "chevron.down")
}
.padding(.vertical, 4)
.padding(.horizontal, 8)
.overlay(
RoundedRectangle(cornerRadius: 8)
.stroke(Color.accentColor, lineWidth: 1)
)
}
}
.font(.footnote)
.padding(.horizontal, 8)
TextField("Type what's on your mind", text: $text, axis: .vertical)
.padding(.horizontal, 8)
.lineLimit(2...12)
.focused($focusedField, equals: .content)
.keyboardType(.default)
.onFirstAppear {
self.focusedField = .content
}
.onChange(of: self.text) { newValue in
self.publishDisabled = self.isPublishButtonDisabled()
self.interactiveDismissDisabled = self.isInteractiveDismissDisabled()
}
.toolbar {
self.keyboardToolbar()
}
HStack(alignment: .center) {
ForEach(self.photosAttachment, id: \.id) { photoAttachment in
ImageUploadView(photoAttachment: photoAttachment) {
self.showSheet = .photoDetails(photoAttachment)
} delete: {
self.photosAttachment = self.photosAttachment.filter({ item in
item != photoAttachment
})
self.photosAreAttached = self.photosAttachment.hasUploadedPhotos()
self.publishDisabled = self.isPublishButtonDisabled()
self.interactiveDismissDisabled = self.isInteractiveDismissDisabled()
} upload: {
Task {
await self.upload(photoAttachment)
}
}
}
}
.padding(8)
if let status = self.statusViewModel {
HStack (alignment: .top) {
UserAvatar(accountAvatar: status.account.avatar, size: .comment)
VStack (alignment: .leading, spacing: 0) {
HStack (alignment: .top) {
Text(statusViewModel?.account.displayNameWithoutEmojis ?? "")
.foregroundColor(.mainTextColor)
.font(.footnote)
.fontWeight(.bold)
Spacer()
}
MarkdownFormattedText(status.content.asMarkdown, withFontSize: 14, andWidth: contentWidth)
.environment(\.openURL, OpenURLAction { url in .handled })
}
}
.padding(8)
.background(Color.selectedRowColor)
}
Spacer()
}
}
.onTapGesture {
self.hideKeyboard()
}
.frame(alignment: .topLeading)
.toolbar {
ToolbarItem(placement: .primaryAction) {
ActionButton(showLoader: false) {
await self.publishStatus()
} label: {
Text("Publish")
}
.disabled(self.publishDisabled)
.buttonStyle(.borderedProminent)
}
ToolbarItem(placement: .cancellationAction) {
Button("Cancel", role: .cancel) {
dismiss()
}
}
}
.onChange(of: self.selectedItems) { selectedItem in
Task {
await self.loadPhotos()
}
}
.sheet(item: $showSheet, content: { sheetType in
switch sheetType {
case .photoDetails(let photoAttachment):
PhotoEditorView(photoAttachment: photoAttachment)
case .placeSelector:
PlaceSelectorView(place: $place)
}
})
.photosPicker(isPresented: $photosPickerVisible, selection: $selectedItems, maxSelectionCount: 4, matching: .images)
.navigationTitle("Compose")
.navigationBarTitleDisplayMode(.inline)
}
.withAppRouteur()
.withOverlayDestinations(overlayDestinations: $routerPath.presentedOverlay)
}
.interactiveDismissDisabled(self.interactiveDismissDisabled)
}
@ToolbarContentBuilder
private func keyboardToolbar() -> some ToolbarContent {
ToolbarItemGroup(placement: .keyboard) {
HStack(alignment: .center) {
Button {
hideKeyboard()
self.focusedField = .unknown
self.photosPickerVisible = true
} label: {
Image(systemName: self.photosAreAttached ? "photo.fill.on.rectangle.fill" : "photo.on.rectangle")
}
Button {
withAnimation(.easeInOut) {
self.isSensitive.toggle()
if self.isSensitive {
self.focusedField = .spoilerText
} else {
self.focusedField = .content
}
}
} label: {
Image(systemName: self.isSensitive ? "exclamationmark.square.fill" : "exclamationmark.square")
}
Button {
withAnimation(.easeInOut) {
self.commentsDisabled.toggle()
}
} label: {
Image(systemName: self.commentsDisabled ? "person.2.slash" : "person.2.fill")
}
Button {
if self.place != nil {
withAnimation(.easeInOut) {
self.place = nil
}
} else {
self.showSheet = .placeSelector
}
} label: {
Image(systemName: self.place == nil ? "mappin.square" : "mappin.square.fill")
}
Spacer()
}
}
}
private func isPublishButtonDisabled() -> Bool {
// Publish always disabled when there is not status text.
if self.text.isEmpty {
return true
}
// When application is during uploading photos we cannot send new status.
if self.photosAreUploading == true {
return true
}
// When status is not a comment, then photo is required.
if self.statusViewModel == nil && self.photosAttachment.hasUploadedPhotos() == false {
return true
}
return false
}
private func isInteractiveDismissDisabled() -> Bool {
if self.text.isEmpty == false {
return true
}
if self.photosAreUploading == true {
return true
}
if self.photosAttachment.hasUploadedPhotos() == true {
return true
}
return false
}
private func loadPhotos() async {
do {
self.photosAreUploading = true
self.photosAttachment = []
self.publishDisabled = self.isPublishButtonDisabled()
self.interactiveDismissDisabled = self.isInteractiveDismissDisabled()
for item in self.selectedItems {
if let photoData = try await item.loadTransferable(type: Data.self) {
self.photosAttachment.append(PhotoAttachment(photosPickerItem: item, photoData: photoData))
}
}
self.focusedField = .content
await self.upload()
self.photosAreUploading = false
self.photosAreAttached = self.photosAttachment.hasUploadedPhotos()
self.publishDisabled = self.isPublishButtonDisabled()
self.interactiveDismissDisabled = self.isInteractiveDismissDisabled()
} catch {
ErrorService.shared.handle(error, message: "Cannot retreive image from library.", showToastr: true)
}
}
private func upload() async {
for photoAttachment in self.photosAttachment {
await self.upload(photoAttachment)
}
}
private func upload(_ photoAttachment: PhotoAttachment) async {
do {
let fileIndex = String.randomString(length: 8)
if let mediaAttachment = try await self.client.media?.upload(data: photoAttachment.photoData,
fileName: "file-\(fileIndex).jpg",
mimeType: "image/jpeg") {
photoAttachment.uploadedAttachment = mediaAttachment
}
} catch {
photoAttachment.error = error
ErrorService.shared.handle(error, message: "Error during post photo.", showToastr: true)
}
}
private func publishStatus() async {
do {
let status = self.createStatus()
if let newStatus = try await self.client.statuses?.new(status: status) {
ToastrService.shared.showSuccess("Status published", imageSystemName: "message.fill")
let statusModel = StatusModel(status: newStatus)
let commentModel = CommentModel(status: statusModel, showDivider: false)
self.applicationState.newComment = commentModel
dismiss()
}
} catch {
ErrorService.shared.handle(error, message: "Error during post status.", showToastr: true)
}
}
private func createStatus() -> Pixelfed.Statuses.Components {
return Pixelfed.Statuses.Components(inReplyToId: self.statusViewModel?.id,
text: self.text,
spoilerText: self.isSensitive ? self.spoilerText : String.empty(),
mediaIds: self.photosAttachment.getUploadedPhotoIds(),
visibility: self.visibility,
sensitive: self.isSensitive,
placeId: self.place?.id,
commentsDisabled: self.commentsDisabled)
}
}