PhDownloader (Petrus Hoc's Downloader)

Simple, reactive and functional downloader for iOS Swift with the power of RxSwift, RxAlamofire

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Requirements

Installation

PhDownloader is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'PhDownloader'

Author

Petrus Nguyễn Thái Học, [email protected]

Usagement

Create downloader

let downloader: PhDownloader = PhDownloaderFactory.makeDownloader(
    with: .init(
        maxConcurrent: 2,
        throttleProgress: .milliseconds(500)
    )
)

Obseve download result (for showing snackbar, toast, alert, ...)

downloader
    .downloadResult$
    .subscribe(onNext: { result in
        switch result {
        case .success(let request):
          ...
        case .failure(let request, let error):
          ...
        case .cancelled(let request):
          ...
        }
    })
    .disposed(by: disposeBag)

Obseve download state (for updating UI)

downloader
    .observe(by: ["id1", "id2", "id3"])
    .subscribe(onNext: { tasks in
        ...
    })
    .disposed(by: disposeBag)

downloader
    .observe(by: "Request id")
    .subscribe(onNext: { task in 
        ...
    })
    .disposed(by: disposeBag)

Enqueue, cancel, cancelAll, remove:

let id = "Request id"

downloader
    .enqueue(
        .init(
            identifier: id,
            url: URL(string: "https://file-examples-com.github.io/uploads/2017/04/file_example_MP4_1920_18MG.mp4")!,
            fileName: "test_file_\(id).mp4",
            savedDir: FileManager.default
                .urls(for: .documentDirectory, in: .userDomainMask)
                .first!
                .appendingPathComponent("downloads", isDirectory: true)
        )
    )
    .subscribe()
    .disposed(by: disposeBag)

downloader
    .cancel(by: id)
    .subscribe()
    .disposed(by: disposeBag)

downloader
    .cancelAll()
    .subscribe()
    .disposed(by: disposeBag)
    
downloader
    .remove(identifier: id)
    .subscribe()
    .disposed(by: disposeBag)

License

PhDownloader is available under the MIT license. See the LICENSE file for more info.