urban-health-labs/CombineFirebase

FirebaseDatabase Snapshot to custom object

CureleaAndrei opened this issue · 4 comments

CureleaAndrei commented

Hi, awesome job on this library, I will use it in my projects. It will be awesome to have the mapper functionality for firebase database snapshot, also build in.

kshivang commented

Actually that is already build in, you have to dig little more in docs.

Few bits:

var cityDocumentSnapshotMapper: (DocumentSnapshot) throws -> City? {
    {
        var city =  try $0.data(as: City.self)
        city.id = $0.documentID
        return city
    }
}

func listenDocumentAsObject() {
    db.collection("cities")
        .document("SF")
        .publisher(as: City.self, documentSnapshotMapper: cityDocumentSnapshotMapper)
        .sink(receiveCompletion: { completion in
            switch completion {
            case .finished: print("🏁 finished")
            case .failure(let error): print("❗️ failure: \(error)")
            }
        }) { city in
            print("City: \(city)")
        }
        .store(in: &cancelBag)
}
CureleaAndrei commented

Hi, thanks for the quick reply. I've found this, but this is for firestore database, i meant that would be nice to have this also for the firebase realtime database. If there is also for real time database, my bad. I will look again into docs.

kshivang commented

Thank you for pointing out, that functionality is missing. For now you can simply use combine .map, will surely add that feature in the future. PR is also welcome.