cweinberger

func boot(routes: RoutesBuilder) throws {
    routes.get("", use: getBooks)
    routes.get(":bookID", use: getBook)
}

cweinberger

func getBook(req: Request) throws -> Book {
    guard
        // 1
        let bookIDString = req.parameters.get("bookID"),
        // 2
        let bookID = Int(bookIDString),
        // 3
        let book = Self.books.first(where: { $0.id == bookID })
    else {
        // 4

cweinberger

    // 1
    let apiRoutes = app.grouped("api", "v1")
    
    // 2
    try apiRoutes.grouped("books").register(collection: bookAPIController)

cweinberger

// 1
let bookAPIController = BookAPIController()

// 2
try app.register(collection: bookAPIController)

cweinberger

func routes(_ app: Application) throws {
    
    // 1
    // a GET request to /hello1
    app.get("hello1") { req -> String in
        return "hello1"
    }

    // 2
    // a GET request to /hello2

cweinberger

import Vapor

final class BookAPIController {

    // 1
    struct Book: Content {
        let id: Int
        let title: String
        let author: String
    }

cweinberger

import Vapor

func routes(_ app: Application) throws {

}

cweinberger

How to add (and read) custom arguments when launching a vapor app.

In app.swift I have added a struct AppOptions to keep track of custom options and added another parameter options to the app(_:) function:

import Vapor

public struct AppOptions {
    public var foo: String?