CodableFirebase

Use Codable with Firebase

Overview

This library helps you to use your custom types that conform to Codable protocol with Firebase. Here's an example of a custom model:

struct Model: Codable {
    let stringExample: String
    let booleanExample: Bool
    let numberExample: Double
    let dateExample: Date
    let arrayExample: [String]
    let nullExample: Int?
    let objectExample: [String: String]
}

Firebase Database usage

This is how you would use the library with Firebase Realtime Database:

import Firebase
import CodableFirebase

let model: Model // here you will create an instance of Model
let data = try! FirebaseEncoder().encode(model)

Database.database().reference().child("model").setValue(data)

And here is how you would read the same value from Firebase Realtime Database:

Database.database().reference().child("model").observeSingleEvent(of: .value, with: { (snapshot) in
    guard let value = snapshot.value else { return }
    do {
        let model = try FirebaseDecoder().decode(Model.self, from: value)
        print(model)
    } catch let error {
        print(error)
    }
})

Firestore usage

And this is how you would encode it with Firebase Firestore:

import Firebase
import CodableFirebase

let model: Model // here you will create an instance of Model
let docData = try! FirestoreEncoder().encode(model)
Firestore.firestore().collection("data").document("one").setData(docData) { err in
    if let err = err {
        print("Error writing document: \(err)")
    } else {
        print("Document successfully written!")
    }
}

And this is how you would decode the same model with Firebase Firestore:

Firestore.firestore().collection("data").document("one").getDocument { (document, error) in
    if let document = document {
        let model = try! FirestoreDecoder().decode(Model.self, from: document.data())
        print("Model: \(model)")
    } else {
        print("Document does not exist")
    }
}

Integration

CocoaPods (iOS 9+)

You can use CocoaPods to install CodableFirebase by adding it to your Podfile:

platform :ios, '9.0'
use_frameworks!

target 'MyApp' do
pod 'CodableFirebase'
end

Note that this requires CocoaPods version 36, and your iOS deployment target to be at least 9.0:

Carthage (iOS 9+)

You can use Carthage to install CodableFirebase by adding it to your Cartfile:

github "alickbass/CodableFirebase"