ts95

struct Book {
    var isbn: String
    var title: String
    var authors: [String]
    var year: Int
    var country: String
    var createdAt: Date
    var format: Format
    var award: String?
    

ts95

struct FirestoreBook {
    var isbn: String
    var title: String
    var authors: [String]
    var year: Int
    var country: String
    var createdAt: Date
    var format: Format
    var award: String?
    

ts95

let book = FirestoreBook(
    isbn: "95-0443-843-0",
    title: "Do Androids Dream of Electric Sheep?",
    authors: ["Philip K. Dick"],
    year: 1968,
    country: "United States",
    createdAt: Date(),
    format: .ebook,
    award: nil)

ts95

let firestore = Firestore.firestore()
let ref = firestore.document("books/95-0443-843-0")
ref.getModel(FirestoreBook.self) { book, error in
    guard let book = book else { return }
    print("The book \(book.title) was published in \(book.year).")
}

ts95

struct FirestoreBook {
    let documentID: String!
    var isbn: String
    var title: String
}

extension FirestoreBook: FirestoreModel {

    init?(modelData: FirestoreModelData) {
        try? self.init(

ts95

let book = FirestoreBook(
    documentID: nil,
    isbn: "95-0443-843-0",
    title: "Do Androids Dream of Electric Sheep?")

let firestore = Firestore.firestore()
let ref = firestore.collection("books").document()
ref.setModel(book)

ts95

import FirebaseFirestore

private struct Property {
    let label: String
    let value: Any
}

struct FirestoreModelData {

    let snapshot: DocumentSnapshot

ts95

struct Book: Codable {
    var isbn: String
    var title: String
    var authors: [String]
    var year: Int
}

ts95

let json = """
{
    "isbn": "95-0443-843-0",
    "title": "Do Androids Dream of Electric Sheep?",
    "authors": ["Philip K. Dick"],
    "year": 1968,
    "country": "United States"
}
""".data(using: .utf8)!

ts95

import Foundation

enum PathParamsError: Error {
    case unbalanced
    case nonExistentParam(key: String)
    case invalidConversion(value: String, type: String)

    var localizedDescription: String {
        switch self {
        case .unbalanced: