236 lines
11 KiB
Swift
236 lines
11 KiB
Swift
//
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// https://mczachurski.dev
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// Copyright © 2022 Marcin Czachurski and the repository contributors.
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// Licensed under the MIT License.
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//
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import SwiftUI
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import PixelfedKit
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import AVFoundation
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struct StatusView: View {
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@EnvironmentObject var applicationState: ApplicationState
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@EnvironmentObject var client: Client
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@EnvironmentObject var routerPath: RouterPath
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@Environment(\.dismiss) private var dismiss
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@State var statusId: String
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@State var imageBlurhash: String?
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@State var highestImageUrl: URL?
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@State var imageWidth: Int32?
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@State var imageHeight: Int32?
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@State private var showImageViewer = false
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@State private var state: ViewState = .loading
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@State private var statusViewModel: StatusModel?
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@State private var selectedAttachmentId: String?
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@State private var exifCamera: String?
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@State private var exifExposure: String?
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@State private var exifCreatedDate: String?
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@State private var exifLens: String?
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@State var image: Image?
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var body: some View {
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self.mainBody()
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.navigationTitle("Details")
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.fullScreenCover(isPresented: $showImageViewer, content: {
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if let statusViewModel = self.statusViewModel {
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ImagesViewer(statusViewModel: statusViewModel, selectedAttachmentId: selectedAttachmentId ?? String.empty())
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}
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})
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}
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@ViewBuilder
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private func mainBody() -> some View {
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switch state {
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case .loading:
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StatusPlaceholderView(imageHeight: self.getImageHeight(), imageBlurhash: self.imageBlurhash)
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.task {
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await self.loadData()
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}
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case .loaded:
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if let statusViewModel = self.statusViewModel {
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ScrollView {
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VStack (alignment: .leading) {
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ImagesCarousel(attachments: statusViewModel.mediaAttachments,
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selectedAttachmentId: $selectedAttachmentId,
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exifCamera: $exifCamera,
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exifExposure: $exifExposure,
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exifCreatedDate: $exifCreatedDate,
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exifLens: $exifLens)
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.onTapGesture {
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withoutAnimation {
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if let attachment = self.statusViewModel?.mediaAttachments.first(where: { $0.id == self.selectedAttachmentId }),
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let data = attachment.data,
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let uiImage = UIImage(data: data) {
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self.image = Image(uiImage: uiImage)
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self.showImageViewer.toggle()
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}
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}
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}
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VStack(alignment: .leading) {
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self.reblogInformation()
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UsernameRow(accountId: statusViewModel.account.id,
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accountAvatar: statusViewModel.account.avatar,
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accountDisplayName: statusViewModel.account.displayNameWithoutEmojis,
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accountUsername: statusViewModel.account.acct)
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.onTapGesture {
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self.routerPath.navigate(to: .userProfile(accountId: statusViewModel.account.id,
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accountDisplayName: statusViewModel.account.displayNameWithoutEmojis,
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accountUserName: statusViewModel.account.acct))
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}
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MarkdownFormattedText(statusViewModel.content.asMarkdown)
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.environment(\.openURL, OpenURLAction { url in
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routerPath.handle(url: url)
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})
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VStack (alignment: .leading) {
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if let name = statusViewModel.place?.name, let country = statusViewModel.place?.country {
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LabelIcon(iconName: "mappin.and.ellipse", value: "\(name), \(country)")
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}
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LabelIcon(iconName: "camera", value: self.exifCamera)
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LabelIcon(iconName: "camera.aperture", value: self.exifLens)
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LabelIcon(iconName: "timelapse", value: self.exifExposure)
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LabelIcon(iconName: "calendar", value: self.exifCreatedDate?.toDate(.isoDateTimeSec)?.formatted())
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}
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.padding(.bottom, 2)
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.foregroundColor(.lightGrayColor)
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HStack {
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Text("Uploaded")
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Text(statusViewModel.createdAt.toRelative(.isoDateTimeMilliSec))
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.padding(.horizontal, -4)
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if let applicationName = statusViewModel.application?.name {
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Text("via \(applicationName)")
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}
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}
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.foregroundColor(.lightGrayColor)
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.font(.footnote)
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InteractionRow(statusModel: statusViewModel) {
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self.dismiss()
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}
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.foregroundColor(.accentColor)
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.padding(8)
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}
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.padding(8)
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CommentsSectionView(statusId: statusViewModel.id)
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}
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}
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}
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case .error(let error):
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ErrorView(error: error) {
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self.state = .loading
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await self.loadData()
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}
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.padding()
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}
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}
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@ViewBuilder func reblogInformation() -> some View {
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if let reblogStatus = self.statusViewModel?.reblogStatus {
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HStack(alignment: .center, spacing: 4) {
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UserAvatar(accountAvatar: reblogStatus.account.avatar, size: .mini)
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Text(reblogStatus.account.displayNameWithoutEmojis)
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Image(systemName: "paperplane")
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.padding(.trailing, 8)
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}
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.font(.footnote)
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.foregroundColor(Color.mainTextColor.opacity(0.4))
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.background(Color.mainTextColor.opacity(0.1))
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.clipShape(Capsule())
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}
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}
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private func loadData() async {
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do {
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// Get status from API.
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if let status = try await self.client.statuses?.status(withId: self.statusId) {
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var statusModel = StatusModel(status: status)
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// We have to always open main status (even if the user is redirected from notifications to comment).
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statusModel = try await self.getMainStatus(status: statusModel)
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if status.id != statusModel.id {
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self.highestImageUrl = statusModel.mediaAttachments.getHighestImage()?.url
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self.imageWidth = statusModel.getImageWidth()
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self.imageHeight = statusModel.getImageHeight()
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}
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self.statusViewModel = statusModel
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self.selectedAttachmentId = statusModel.mediaAttachments.first?.id ?? String.empty()
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// If we have status in database then we can update data.
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if let accountData = self.applicationState.account,
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let statusDataFromDatabase = StatusDataHandler.shared.getStatusData(accountId: accountData.id, statusId: self.statusId) {
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_ = try await HomeTimelineService.shared.update(status: statusDataFromDatabase, basedOn: status, for: accountData)
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}
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}
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self.state = .loaded
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} catch NetworkError.notSuccessResponse(let response) {
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if response.statusCode() == HTTPStatusCode.notFound, let accountId = self.applicationState.account?.id {
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StatusDataHandler.shared.remove(accountId: accountId, statusId: self.statusId)
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ErrorService.shared.handle(NetworkError.notSuccessResponse(response), message: "Status not existing anymore.", showToastr: true)
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self.dismiss()
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}
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}
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catch {
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if !Task.isCancelled {
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ErrorService.shared.handle(error, message: "Error during download status from server.", showToastr: true)
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self.state = .loaded
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} else {
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ErrorService.shared.handle(error, message: "Error during download status from server.", showToastr: false)
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}
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}
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}
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private func setAttachment(_ attachmentData: AttachmentData) {
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exifCamera = attachmentData.exifCamera
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exifExposure = attachmentData.exifExposure
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exifCreatedDate = attachmentData.exifCreatedDate
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exifLens = attachmentData.exifLens
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}
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private func getImageHeight() -> Double {
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if let highestImageUrl = self.highestImageUrl, let imageSize = ImageSizeService.shared.get(for: highestImageUrl) {
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return imageSize.height
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}
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if let imageHeight = self.imageHeight, let imageWidth = self.imageWidth, imageHeight > 0 && imageWidth > 0 {
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return self.calculateHeight(width: Double(imageWidth), height: Double(imageHeight))
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}
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// If we don't have image height and width in metadata, we have to use some constant height.
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return UIScreen.main.bounds.width * 0.75
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}
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private func calculateHeight(width: Double, height: Double) -> CGFloat {
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let divider = width / UIScreen.main.bounds.size.width
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return height / divider
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}
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private func getMainStatus(status: StatusModel) async throws -> StatusModel {
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guard let inReplyToId = status.inReplyToId else {
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return status
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}
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guard let previousStatus = try await self.client.statuses?.status(withId: inReplyToId) else {
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throw ClientError.cannotRetrieveStatus
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}
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let previousStatusModel = StatusModel(status: previousStatus)
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return try await self.getMainStatus(status: previousStatusModel)
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}
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}
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