suspendCoroutine { continuation ->
                    FirebaseFirestore
                        .getInstance()
                        .collection("products")
                        .get()
                        .addOnSuccessListener {
                            continuation.resume(
                                Either.Right(
                                    it.toObjects(Product::class.java)
                                )
                            )
                        }
                        .addOnFailureListener {
                            continuation.resume(
                                Either.Left(
                                    Failure.ServerError(it)
                                )
                            )
                        }

                }