Impressia/Vernissage/Views/StatusView/StatusView.swift

267 lines
11 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2023 Marcin Czachurski and the repository contributors.
// Licensed under the Apache License 2.0.
//
import SwiftUI
import PixelfedKit
import ClientKit
import AVFoundation
import ServicesKit
import WidgetsKit
import EnvironmentKit
@MainActor
struct StatusView: View {
struct TappedAttachment: Identifiable {
public let id: String
public let attachmentModel: AttachmentModel
public let imagePosition: Double
}
@Environment(ApplicationState.self) var applicationState
@Environment(Client.self) var client
@Environment(RouterPath.self) var routerPath
@Environment(\.modelContext) private var modelContext
@Environment(\.dismiss) private var dismiss
@State var statusId: String
@State var imageBlurhash: String?
@State var highestImageUrl: URL?
@State var imageWidth: Int32?
@State var imageHeight: Int32?
@State private var state: ViewState = .loading
@State private var statusViewModel: StatusModel?
@State private var imagePosition: Double?
@State private var selectedAttachmentModel: AttachmentModel?
@State private var tappedAttachment: TappedAttachment?
@State private var exifCamera: String?
@State private var exifExposure: String?
@State private var exifCreatedDate: String?
@State private var exifLens: String?
@State private var description: String?
var body: some View {
self.mainBody()
.navigationTitle("status.navigationBar.title")
.fullScreenCover(item: $tappedAttachment, content: { tappedAttachment in
ImageViewer(attachmentModel: tappedAttachment.attachmentModel, imagePosition: tappedAttachment.imagePosition)
})
}
@ViewBuilder
private func mainBody() -> some View {
switch state {
case .loading:
StatusPlaceholderView(imageWidth: self.getImageWidth(), imageHeight: self.getImageHeight(), imageBlurhash: self.imageBlurhash)
.task {
await self.loadData()
}
case .loaded:
if let statusViewModel = self.statusViewModel {
self.statusView(statusViewModel: statusViewModel)
}
case .error(let error):
ErrorView(error: error) {
self.state = .loading
await self.loadData()
}
.padding()
}
}
@ViewBuilder
private func statusView(statusViewModel: StatusModel) -> some View {
ScrollView {
VStack(alignment: .leading) {
ImagesCarousel(attachments: statusViewModel.mediaAttachments,
selectedAttachment: $selectedAttachmentModel,
exifCamera: $exifCamera,
exifExposure: $exifExposure,
exifCreatedDate: $exifCreatedDate,
exifLens: $exifLens,
description: $description)
.background(GeometryReader {
Color.clear.preference(key: ViewOffsetKey.self, value: -$0.frame(in: .named("scroll")).origin.y)
})
.onPreferenceChange(ViewOffsetKey.self) {
self.imagePosition = $0
}
.onTapGesture {
withoutAnimation {
if let attachmentModel = self.selectedAttachmentModel {
self.tappedAttachment = TappedAttachment(id: attachmentModel.id,
attachmentModel: attachmentModel,
imagePosition: self.imagePosition ?? 0.0)
}
}
}
VStack(alignment: .leading) {
self.reblogInformation()
UsernameRow(accountId: statusViewModel.account.id,
accountAvatar: statusViewModel.account.avatar,
accountDisplayName: statusViewModel.account.displayNameWithoutEmojis,
accountUsername: statusViewModel.account.acct)
.onTapGesture {
self.routerPath.navigate(to: .userProfile(accountId: statusViewModel.account.id,
accountDisplayName: statusViewModel.account.displayNameWithoutEmojis,
accountUserName: statusViewModel.account.acct))
}
MarkdownFormattedText(statusViewModel.content.asMarkdown)
.font(.callout)
.environment(\.openURL, OpenURLAction { url in
routerPath.handle(url: url)
})
VStack(alignment: .leading) {
if let name = statusViewModel.place?.name, let country = statusViewModel.place?.country {
LabelIcon(iconName: "mappin.and.ellipse", value: "\(name), \(country)")
}
LabelIcon(iconName: "camera", value: self.exifCamera)
LabelIcon(iconName: "camera.aperture", value: self.exifLens)
LabelIcon(iconName: "timelapse", value: self.exifExposure)
LabelIcon(iconName: "calendar", value: self.exifCreatedDate?.toDate(.isoDateTimeSec)?.formatted())
if self.applicationState.showPhotoDescription {
LabelIcon(iconName: "eye.trianglebadge.exclamationmark", value: self.description, isExpandable: true)
}
}
.padding(.bottom, 2)
.foregroundColor(.customGrayColor)
HStack {
Text("status.title.uploaded", comment: "Uploaded")
if let createdAt = statusViewModel.createdAt.toDate(.isoDateTimeMilliSec) {
RelativeTime(date: createdAt)
.padding(.horizontal, -4)
} else {
Text(statusViewModel.createdAt.toRelative(.isoDateTimeMilliSec))
.padding(.horizontal, -4)
}
if let applicationName = statusViewModel.application?.name {
Text(String(format: NSLocalizedString("status.title.via", comment: "via"), applicationName))
}
}
.foregroundColor(.customGrayColor)
.font(.footnote)
InteractionRow(statusModel: statusViewModel) {
self.dismiss()
}
.foregroundColor(.accentColor)
.padding(8)
}
.padding(8)
CommentsSectionView(statusId: statusViewModel.getOrginalStatusId())
}
}
.coordinateSpace(name: "scroll")
}
@ViewBuilder
func reblogInformation() -> some View {
if let reblogStatus = self.statusViewModel?.reblogStatus {
HStack(alignment: .center, spacing: 4) {
UserAvatar(accountAvatar: reblogStatus.account.avatar, size: .mini)
Text(reblogStatus.account.displayNameWithoutEmojis)
Image("custom.rocket")
.padding(.trailing, 8)
}
.font(.footnote)
.foregroundColor(Color.mainTextColor.opacity(0.4))
.background(Color.mainTextColor.opacity(0.1))
.clipShape(Capsule())
}
}
private func loadData() async {
do {
// Get status from API.
if let status = try await self.client.statuses?.status(withId: self.statusId) {
var statusModel = StatusModel(status: status)
// We have to always open main status (even if the user is redirected from notifications to comment).
statusModel = try await self.getMainStatus(status: statusModel)
if status.id != statusModel.id {
self.highestImageUrl = statusModel.mediaAttachments.getHighestImage()?.url
self.imageWidth = statusModel.getImageWidth()
self.imageHeight = statusModel.getImageHeight()
}
self.statusViewModel = statusModel
}
withAnimation {
self.state = .loaded
}
} catch NetworkError.notSuccessResponse(let response) {
if response.statusCode() == HTTPStatusCode.notFound {
ErrorService.shared.handle(NetworkError.notSuccessResponse(response), message: "status.error.notFound", showToastr: true)
self.dismiss()
}
} catch {
if !Task.isCancelled {
ErrorService.shared.handle(error, message: "status.error.loadingStatusFailed", showToastr: true)
self.state = .loaded
} else {
ErrorService.shared.handle(error, message: "status.error.loadingStatusFailed", showToastr: false)
}
}
}
private func getImageHeight() -> Double {
if let highestImageUrl = self.highestImageUrl, let imageSize = ImageSizeService.shared.get(for: highestImageUrl) {
let calculatedSize = ImageSizeService.shared.calculate(width: imageSize.width, height: imageSize.height)
return calculatedSize.height
}
if let imageHeight = self.imageHeight, let imageWidth = self.imageWidth, imageHeight > 0 && imageWidth > 0 {
let calculatedSize = ImageSizeService.shared.calculate(width: Double(imageWidth), height: Double(imageHeight))
return calculatedSize.height
}
// If we don't have image height and width in metadata, we have to use some constant height.
return UIScreen.main.bounds.width * 0.75
}
private func getImageWidth() -> Double {
if let highestImageUrl = self.highestImageUrl, let imageSize = ImageSizeService.shared.get(for: highestImageUrl) {
let calculatedSize = ImageSizeService.shared.calculate(width: imageSize.width, height: imageSize.height)
return calculatedSize.width
}
if let imageHeight = self.imageHeight, let imageWidth = self.imageWidth, imageHeight > 0 && imageWidth > 0 {
let calculatedSize = ImageSizeService.shared.calculate(width: Double(imageWidth), height: Double(imageHeight))
return calculatedSize.width
}
// If we don't have image height and width in metadata, we have to use some constant height.
return UIScreen.main.bounds.width * 0.75
}
private func getMainStatus(status: StatusModel) async throws -> StatusModel {
guard let inReplyToId = status.inReplyToId else {
return status
}
guard let previousStatus = try await self.client.statuses?.status(withId: inReplyToId) else {
throw ClientError.cannotRetrieveStatus
}
let previousStatusModel = StatusModel(status: previousStatus)
return try await self.getMainStatus(status: previousStatusModel)
}
}