photokit_snippets

class PhotoManager: ObservableObject {
    
    private func loadImage() -> Image? {
        let manager = PHImageManager.default()
        let fetchResult: PHFetchResult = PHAsset.fetchAssets(with: .image, options: fetchOptions())
        var image: UIImage? = nil
        
        manager.requestImage(for: fetchResult.object(at: 0), targetSize: CGSize(width: 647, height: 375), contentMode: .aspectFill, options: requestOptions()) { img, err  in
            
        guard let img = img else { return }
            image = img
        }
        
        return Image(uiImage: image!)
    }
    
    private func fetchOptions() -> PHFetchOptions {
        let fetchOptions = PHFetchOptions()

        fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
        
        return fetchOptions
    }
    
    private func requestOptions() -> PHImageRequestOptions {
        let requestOptions = PHImageRequestOptions()
        
        requestOptions.isSynchronous = true
        requestOptions.deliveryMode = .highQualityFormat
        
        return requestOptions
    }
}


struct PhotoGrid: UIViewControllerRepresentable {
    func makeUIViewController(context: Context) -> UICollectionViewController {
        let collectionViewController = UICollectionViewController()
        collectionViewController.collectionView.dataSource = context.coordinator
        
        return collectionViewController
    }
    
    func updateUIViewController(_ uiViewController: UICollectionViewController, context: Context) {
        <#code#>
    }
    
    func makeCoordinator() -> Coordinator {
        Coordinator(self)
    }
    
    class Coordinator: NSObject,  UICollectionViewDataSource {
        var parent: PhotoGrid
        
        init(_ parent: PhotoGrid) {
            self.parent = parent
        }
        
        func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {

        }

        func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {

        }
        
    }
}