wip
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@ -4,54 +4,61 @@ import SwiftUI
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import UIKit
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class MediaManager: NSObject, ObservableObject {
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@Published var photos: [UIImage] = []
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// @Published var photos: [UIImage] = []
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@Published var cameraFeed: UIImage?
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// @Published var galleryAccessLevel: PHAuthorizationStatus = .notDetermined
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@Published var cameraAccessLevel: AVAuthorizationStatus = AVCaptureDevice.authorizationStatus(for: .video)
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override init() {
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super.init()
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DispatchQueue.global(qos: .userInitiated).async { [weak self] in
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self?.fetchPhotos()
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self?.setupCameraFeed()
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}
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NotificationCenter.default.addObserver(self, selector: #selector(appDidBecomeActive), name: UIApplication.didBecomeActiveNotification, object: nil)
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// DispatchQueue.main.async { [weak self] in
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// // self?.fetchPhotos()
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// }
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}
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private func fetchPhotos() {
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let fetchOptions = PHFetchOptions()
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fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
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let assets = PHAsset.fetchAssets(with: .image, options: fetchOptions)
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let manager = PHImageManager.default()
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let option = PHImageRequestOptions()
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option.isSynchronous = true
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assets.enumerateObjects { asset, _, _ in
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manager.requestImage(for: asset, targetSize: CGSize(width: 200, height: 200), contentMode: .aspectFill, options: option) { image, _ in
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if let image = image {
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DispatchQueue.main.async {
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self.photos.append(image)
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}
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}
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}
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}
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}
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// private func fetchPhotos() {
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// galleryAccessLevel = PHPhotoLibrary.authorizationStatus()
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//
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// let fetchOptions = PHFetchOptions()
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// fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
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// let assets = PHAsset.fetchAssets(with: .image, options: fetchOptions)
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//
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// let manager = PHImageManager.default()
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// let option = PHImageRequestOptions()
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// option.isSynchronous = true
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//
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// assets.enumerateObjects { asset, _, _ in
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// manager.requestImage(for: asset, targetSize: CGSize(width: 200, height: 200), contentMode: .aspectFill, options: option) { image, _ in
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// if let image = image {
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// DispatchQueue.main.async {
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// self.photos.append(image)
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// }
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// }
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// }
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// }
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// }
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private func setupCameraFeed() {
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cameraAccessLevel = AVCaptureDevice.authorizationStatus(for: .video)
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let captureSession = AVCaptureSession()
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captureSession.sessionPreset = .medium
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guard let captureDevice = AVCaptureDevice.default(for: .video) else {
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guard let backCamera = AVCaptureDevice.default(.builtInWideAngleCamera, for: .video, position: .back) else {
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print("Unable to access the back camera!")
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return
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}
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let deviceInput: AVCaptureDeviceInput
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do {
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deviceInput = try AVCaptureDeviceInput(device: captureDevice)
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let input = try AVCaptureDeviceInput(device: backCamera)
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if captureSession.canAddInput(input) {
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captureSession.addInput(input)
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}
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} catch {
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return
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}
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if captureSession.canAddInput(deviceInput) {
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captureSession.addInput(deviceInput)
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print("Error Unable to initialize back camera: \(error.localizedDescription)")
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}
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let videoOutput = AVCaptureVideoDataOutput()
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@ -66,6 +73,7 @@ class MediaManager: NSObject, ObservableObject {
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extension MediaManager: AVCaptureVideoDataOutputSampleBufferDelegate {
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func captureOutput(_: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from _: AVCaptureConnection) {
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print("Capturing output started")
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guard let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else {
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return
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}
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@ -78,6 +86,25 @@ extension MediaManager: AVCaptureVideoDataOutputSampleBufferDelegate {
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DispatchQueue.main.async {
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self.cameraFeed = UIImage(cgImage: cgImage)
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print("Updated camera feed")
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}
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}
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}
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extension MediaManager {
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func openAppSettings() {
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if
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let appSettingsUrl = URL(string: UIApplication.openSettingsURLString),
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UIApplication.shared.canOpenURL(appSettingsUrl)
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{
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UIApplication.shared.open(appSettingsUrl, completionHandler: nil)
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}
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}
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@objc private func appDidBecomeActive() {
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// Update access levels
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// galleryAccessLevel = PHPhotoLibrary.authorizationStatus()
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cameraAccessLevel = AVCaptureDevice.authorizationStatus(for: .video)
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setupCameraFeed()
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}
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}
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@ -1,52 +1,136 @@
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import SwiftUI
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struct AttachmentMediaPickerView: View {
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// @StateObject private var mediaManager = MediaManager()
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var hasCam: Bool = false
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let elements = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J"]
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@StateObject private var mediaManager = MediaManager()
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var body: some View {
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ScrollView {
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LazyVGrid(columns: Array(repeating: .init(.flexible()), count: 3)) {
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ForEach(0 ..< 10) { index in
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if index == 0 {
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VStack {
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Color.red
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.frame(height: 100)
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Color.red
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.frame(height: 100)
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}
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} else {
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Color.blue
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.frame(height: 100)
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}
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ForEach(elements) { element in
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element
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}
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}
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.padding(.horizontal)
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// LazyVGrid(columns: [GridItem(), GridItem(), GridItem()]) {
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// if let cameraFeed = mediaManager.cameraFeed {
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// Button(action: {
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// isPickerPresented = true
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// }) {
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// Image(uiImage: cameraFeed)
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// .resizable()
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// .aspectRatio(contentMode: .fill)
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// }
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// }
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//
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// ForEach(mediaManager.photos, id: \.self) { photo in
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// Button(action: {
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// selectedPhoto = photo
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// }) {
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// Image(uiImage: photo)
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// .resizable()
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// .aspectRatio(contentMode: .fill)
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// }
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// }
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// }
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.padding(.horizontal, 8)
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}
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.padding(.vertical, 8)
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}
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private var elements: [GridElement] {
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print("Creating elements")
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var result: [GridElement] = []
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// camera
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if let feed = mediaManager.cameraFeed, mediaManager.cameraAccessLevel == .authorized {
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result.append(GridElement(id: UUID(), type: .cameraFeed, content: feed) {
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print("Go to capture???")
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})
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print("Added camera feed")
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} else if mediaManager.cameraAccessLevel == .restricted {
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result.append(GridElement(id: UUID(), type: .cameraRestricted, content: nil) {
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print("Show alert")
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})
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print("Added camera restricted")
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} else {
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result.append(GridElement(id: UUID(), type: .cameraAskButton, content: nil) {
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mediaManager.openAppSettings()
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})
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print("Added camera ask button")
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}
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// photos
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// if mediaManager.galleryAccessLevel == .restricted {
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// result.append(GridElement(id: UUID(), type: .photoRestricted, content: nil))
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// } else {
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// for photo in mediaManager.photos {
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// result.append(GridElement(id: UUID(), type: .photo, content: photo))
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// }
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// if mediaManager.galleryAccessLevel != .authorized {
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// result.append(GridElement(id: UUID(), type: .photoAskButton, content: nil))
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// }
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// }
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return result
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}
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}
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private enum GridElementType {
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case cameraFeed
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case cameraAskButton
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case cameraRestricted
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case photo
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case photoAskButton
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case photoRestricted
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}
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private struct GridElement: View, Identifiable {
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let id: UUID
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let type: GridElementType
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let content: UIImage?
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let action: () -> Void
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var body: some View {
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switch type {
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case .cameraFeed:
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(width: 100, height: 100)
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.clipped()
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case .cameraAskButton:
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Button {
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action()
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} label: {
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RoundedRectangle(cornerRadius: 5)
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.stroke(Color.Main.backgroundDark, lineWidth: 2)
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.overlay {
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Image(systemName: "camera")
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.foregroundColor(.Material.tortoiseLight300)
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.font(.system(size: 40))
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}
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.frame(height: 100)
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// .resizable()
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// .aspectRatio(contentMode: .fill)
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// .frame(width: 100, height: 100)
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// .clipped()
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}
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case .photo:
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(width: 100, height: 100)
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.clipped()
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case .photoAskButton:
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Button {
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action()
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} label: {
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Image(systemName: "photo.badge.plus")
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(width: 100, height: 100)
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.clipped()
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}
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case .photoRestricted, .cameraRestricted:
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Button {
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action()
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} label: {
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Image(systemName: "cross")
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(width: 100, height: 100)
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.clipped()
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}
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}
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}
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private var image: Image {
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guard let content = content else {
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return Image(systemName: "questionmark.square.dashed")
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}
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return Image(uiImage: content)
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}
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}
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