Tiny Networking in Swift

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Tiny Networking @chriseidhof

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$ pod install AlamoFire

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Live coding!

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$ rake routes | grep sign_in ... api_user_session POST /api/users/sign_in(.:format)

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$ curl "http://localhost:3000/api/users/sign_in" \ -d "{\"email\": \"[email protected]\", \"password\": \"testtes\"}" \ --header "Content-Type:application/json" \ {"message":"Error with your login or password"}~

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$ curl "http://localhost:3000/api/users/sign_in" -d "{\"email\": \"[email protected]\", \"password\": \"testtest\"}" --header "Content-Type:application/json" {"auth_token":"8yBZFpqhagTJr6DpDSyS","email":"[email protected]"}

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func apiRequest( baseURL: NSURL, resource: Resource , failure: () -> (), completion: A -> () )

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struct Resource { let path: String let method : Method let headers : [String:String] let requestBody: NSData? let parse: NSData -> A? }

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typealias JSONDictionary = [String:AnyObject] func decodeJSON(data: NSData) -> JSONDictionary? func encodeJSON(dictionary: JSONDictionary) -> NSData?

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Usage

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let parse : NSData -> String? = { data in if let jsonDict = decodeJSON(data) { return jsonDict["auth_token"] as? String } return nil }

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let requestParameters = ["email": "[email protected]", "password": "testtest"] let jsonBody = encodeJSON(requestParameters)

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let path = "api/users/sign_in" let headers = ["Content-Type": "application/json", "Accept": "application/json"] let resource = Resource(path: path, method: .POST, requestBody: jsonBody, headers: headers, parse: parse)

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let baseURL = NSURL(string:"http://localhost:3000")! apiRequest(baseURL, resource, { println("failure") }, { authorizationToken in println("Auth token \(authorizationToken)") })

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let email = "[email protected]" let password = "testtest" let baseURL = NSURL(string:"http://localhost:3000")! let resource = login(email, password) apiRequest(baseURL, resource, { println("failure") }, { authorizationToken in println("Auth token \(authorizationToken)") })

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More live coding!

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Resources — https:/ /gist.github.com/chriseidhof/ 26bda788f13b3e8a279c — http:/ /chris.eidhof.nl/posts/tiny-networking-in- swift.html — http:/ /www.objc.io/books/