Script to get filenames of Favorite photos from Photos.app

GetFavoritePhotos.swift

import Foundation
import Photos

func requestPhotoLibraryAccess(completion: @escaping (Bool) -> Void) {
    PHPhotoLibrary.requestAuthorization { status in
        completion(status == .authorized)
    }
}

func fetchFavoritePhotos(startDate: Date) -> PHFetchResult<PHAsset> {
    let fetchOptions = PHFetchOptions()
    fetchOptions.predicate = NSCompoundPredicate(andPredicateWithSubpredicates: [
        NSPredicate(format: "favorite == YES"),
        NSPredicate(format: "creationDate >= %@ AND creationDate <= %@", startDate as NSDate, Date() as NSDate)
    ])
    fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: true)]

    return PHAsset.fetchAssets(with: fetchOptions)
}

func main() {
    let args = CommandLine.arguments
    var startDate: Date?

    if args.count == 2 {
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "yyyy-MM-dd"
        startDate = dateFormatter.date(from: args[1])

        if startDate == nil {
            print("Invalid date format. Please use YYYY-MM-DD.")
            exit(1)
        }
    } else {
        print("Usage: \(args[0]) start_date")
        print("Date should be in YYYY-MM-DD format")
        exit(1)
    }

    requestPhotoLibraryAccess { authorized in
        guard authorized else {
            print("Photo library access denied.")
            exit(1)
        }

        let favorites = fetchFavoritePhotos(startDate: startDate!)
        print("Found \(favorites.count) favorite photos from \(args[1]) to today.")

        favorites.enumerateObjects { (asset, _, _) in
            if let filename = asset.value(forKey: "filename") as? String {
                print(filename)
            }
        }

        exit(0)
    }
}

main()

RunLoop.main.run()