szehnder · December 23, 2019 12:13 · zhjuncai · Feb 1, 2015 · kcw-grunt · Nov 12, 2015
diff --git a/DataProvider.swift b/DataProvider.swift
 typealias ServiceResponse = (NSDictionary?, NSError?) -> Void

 class DataProvider: NSObject {
    
    var client:AFHTTPRequestOperationManager?
    let LOGIN_URL = "/api/v1/login"
    
    class var sharedInstance:DataProvider {
        struct Singleton {
            static let instance = DataProvider()
        }
        return Singleton.instance
    }
    
    func setupClientWithBaseURLString(urlString:String) {
        client = AFHTTPRequestOperationManager(baseURL: NSURL.URLWithString(urlString))
        client!.operationQueue = NSOperationQueue.mainQueue()
        client!.responseSerializer = AFJSONResponseSerializer()
        client!.requestSerializer = AFJSONRequestSerializer()
    }
    
    func loginWithEmailPassword(email:String, password:String, onCompletion: ServiceResponse) -> Void {
        self.client!.POST(LOGIN_URL, parameters: ["email":email, "password":password] , success: {(operation:AFHTTPRequestOperation!, responseObject:AnyObject!) -> Void in
            
            self.setupClientWithBaseURLString("https://somebaseurl.com")
            
            let responseDict = responseObject as NSDictionary
                // Note: This is where you would serialize the nsdictionary in the responseObject into one of your own model classes (or core data classes)
                onCompletion(responseDict, nil)
            }, failure: {(operation: AFHTTPRequestOperation!, error:NSError!) -> Void  in
                onCompletion(nil, error)
            })
    }
 }
diff --git a/MyViewController.swif b/MyViewController.swif
 import UIKit

 class MyViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func viewWillAppear(animated: Bool)  {
        super.viewWillAppear(animated)
        DataProvider.sharedInstance.loginWithEmailPassword(email:"some@email.com", password:"somepassword") { (responseObject:NSDictionary?, error:NSError?) in
            
            if (error) {
                println("Error logging you in!")
            } else {
                println("Do something in the view controller in response to successful login!")
            }
        }
    }
   

   
 }
	typealias ServiceResponse = (NSDictionary?, NSError?) -> Void

	class DataProvider: NSObject {

	var client:AFHTTPRequestOperationManager?
	let LOGIN_URL = "/api/v1/login"

	class var sharedInstance:DataProvider {
	struct Singleton {
	static let instance = DataProvider()
	}
	return Singleton.instance
	}

	func setupClientWithBaseURLString(urlString:String) {
	client = AFHTTPRequestOperationManager(baseURL: NSURL.URLWithString(urlString))
	client!.operationQueue = NSOperationQueue.mainQueue()
	client!.responseSerializer = AFJSONResponseSerializer()
	client!.requestSerializer = AFJSONRequestSerializer()
	}

	func loginWithEmailPassword(email:String, password:String, onCompletion: ServiceResponse) -> Void {
	self.client!.POST(LOGIN_URL, parameters: ["email":email, "password":password] , success: {(operation:AFHTTPRequestOperation!, responseObject:AnyObject!) -> Void in

	self.setupClientWithBaseURLString("https://somebaseurl.com")

	let responseDict = responseObject as NSDictionary
	// Note: This is where you would serialize the nsdictionary in the responseObject into one of your own model classes (or core data classes)
	onCompletion(responseDict, nil)
	}, failure: {(operation: AFHTTPRequestOperation!, error:NSError!) -> Void in
	onCompletion(nil, error)
	})
	}
	}
	import UIKit

	class MyViewController: UIViewController {

	override func viewDidLoad() {
	super.viewDidLoad()

	// Do any additional setup after loading the view.
	}

	override func viewWillAppear(animated: Bool) {
	super.viewWillAppear(animated)
	DataProvider.sharedInstance.loginWithEmailPassword(email:"some@email.com", password:"somepassword") { (responseObject:NSDictionary?, error:NSError?) in

	if (error) {
	println("Error logging you in!")
	} else {
	println("Do something in the view controller in response to successful login!")
	}
	}
	}



	}