class User: FireRecord {
var age: Int?
var name: String?
var photo: FirebaseImage?
}

let user = User()
user.name = "Jhon"
user.photo = FirebaseImage(UIImage())

user.save { error in print(error ?? errorMessage) }

User.all { users in
users.flatMap{ $0.name }.forEach{ print($0) }
}

User.findFirst { user in
print(user.name ?? "First users doesn't have name")
}

User.findLast { user in
print(user.name ?? "Last users doesn't have name")
}

User.findFirst(3) { users in
users.forEach { user in print(user.name ?? " User doesn't have name")}
}

User.findLast(3) { users in
users.forEach { user in print(user.name ?? " User doesn't have name")}
}

user.name = "My new Name"
user.update { error in print(error ?? errorMessage) }

user.destroy { error in print(error ?? errorMessage)}

User.order(byProperty: "name").where(value: "Alisson").find { users in
users.flatMap{ $0.name }.forEach{ print($0) }                          //print all names
}

Professional.order(byProperty: "phone").where(value: "98984933").find { professionals in
professionals.flatMap{ $0.phone }.forEach{ print($0) }                //print all phones
}

User.order(byProperty: "name").findLast { user in
print(user.name ?? "Property not present")
}

User.order(byProperty: "name").findLast(3) { users in
print(users.count)
}

User.order(byProperty: "name").findFirst { user in
print(user.name ?? "Property not present")
}