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add CameraModel and CameraService for interacting with the camera
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| // | ||
| // CameraModel.swift | ||
| // damus | ||
| // | ||
| // Created by Suhail Saqan on 8/5/23. | ||
| // | ||
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| import Foundation | ||
| import AVFoundation | ||
| import Combine | ||
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| final class CameraModel: ObservableObject { | ||
| private let service = CameraService() | ||
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| @Published var showAlertError = false | ||
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| @Published var isFlashOn = false | ||
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| @Published var willCapturePhoto = false | ||
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| @Published var isCameraButtonDisabled = false | ||
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| @Published var isPhotoProcessing = false | ||
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| @Published var isRecording = false | ||
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| @Published var captureMode: CameraMediaType = .image | ||
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| @Published public var mediaItems: [MediaItem] = [] | ||
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| @Published var thumbnail: Thumbnail! | ||
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| var alertError: AlertError! | ||
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| var session: AVCaptureSession | ||
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| private var subscriptions = Set<AnyCancellable>() | ||
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| init() { | ||
| self.session = service.session | ||
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| service.$shouldShowAlertView.sink { [weak self] (val) in | ||
| self?.alertError = self?.service.alertError | ||
| self?.showAlertError = val | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$flashMode.sink { [weak self] (mode) in | ||
| self?.isFlashOn = mode == .on | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$willCapturePhoto.sink { [weak self] (val) in | ||
| self?.willCapturePhoto = val | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$isCameraButtonDisabled.sink { [weak self] (val) in | ||
| self?.isCameraButtonDisabled = val | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$isPhotoProcessing.sink { [weak self] (val) in | ||
| self?.isPhotoProcessing = val | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$isRecording.sink { [weak self] (val) in | ||
| self?.isRecording = val | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$captureMode.sink { [weak self] (mode) in | ||
| self?.captureMode = mode | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$mediaItems.sink { [weak self] (mode) in | ||
| self?.mediaItems = mode | ||
| } | ||
| .store(in: &self.subscriptions) | ||
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| service.$thumbnail.sink { [weak self] (thumbnail) in | ||
| guard let pic = thumbnail else { return } | ||
| self?.thumbnail = pic | ||
| } | ||
| .store(in: &self.subscriptions) | ||
| } | ||
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| func configure() { | ||
| service.checkForPermissions() | ||
| service.configure() | ||
| } | ||
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| func stop() { | ||
| service.stop() | ||
| } | ||
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| func capturePhoto() { | ||
| service.capturePhoto() | ||
| } | ||
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| func startRecording() { | ||
| service.startRecording() | ||
| } | ||
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| func stopRecording() { | ||
| service.stopRecording() | ||
| } | ||
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| func flipCamera() { | ||
| service.changeCamera() | ||
| } | ||
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| func zoom(with factor: CGFloat) { | ||
| service.set(zoom: factor) | ||
| } | ||
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| func switchFlash() { | ||
| service.flashMode = service.flashMode == .on ? .off : .on | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // | ||
| // CameraService+Extensions.swift | ||
| // damus | ||
| // | ||
| // Created by Suhail Saqan on 8/5/23. | ||
| // | ||
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| import Foundation | ||
| import UIKit | ||
| import AVFoundation | ||
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| extension AVCaptureVideoOrientation { | ||
| init?(deviceOrientation: UIDeviceOrientation) { | ||
| switch deviceOrientation { | ||
| case .portrait: self = .portrait | ||
| case .portraitUpsideDown: self = .portraitUpsideDown | ||
| case .landscapeLeft: self = .landscapeRight | ||
| case .landscapeRight: self = .landscapeLeft | ||
| default: return nil | ||
| } | ||
| } | ||
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| init?(interfaceOrientation: UIInterfaceOrientation) { | ||
| switch interfaceOrientation { | ||
| case .portrait: self = .portrait | ||
| case .portraitUpsideDown: self = .portraitUpsideDown | ||
| case .landscapeLeft: self = .landscapeLeft | ||
| case .landscapeRight: self = .landscapeRight | ||
| default: return nil | ||
| } | ||
| } | ||
| } |
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