blog-vapor4-routing-BookAPIController-start.swift

import Vapor

final class BookAPIController {

    // 1
    struct Book: Content {
        let id: Int
        let title: String
        let author: String
    }
    
    // 2
    static let books = [
        Book(id: 1, title: "Server Side Swift with Vapor", author: "raywenderlich.com"),
        Book(id: 2, title: "Server Side Swift (Vapor Edition)", author: "Hacking with Swift"),
        Book(id: 3, title: "Hands-On Swift 5 Microservices Development", author: "Ralph Kuepper")
    ]
    
    // 3
    func getBooks(req: Request) -> [Book] {
        return Self.books
    }
}

// 4
extension BookAPIController: RouteCollection {
    
    // 5
    func boot(routes: RoutesBuilder) throws {
        routes.get("", use: getBooks)
    }
}