APIService.swift

//
//  APIService.swift
//
//  Created by Sapozhnik Ivan on 10.06.16.
//  Copyright © 2016 Sapozhnik Ivan. All rights reserved.
//

import Foundation
import Alamofire
import AlamofireObjectMapper

class APIService {
	static func login(login: String, password: String, completion:(response: Response<Token, NSError>) -> Void) {
		Alamofire.request(AppRouter.Login(login, password)).responseObject { response in
			completion(response: response)
		}
	}
}

AppRouter.swift

//
//  AppRouter.swift
//
//  Created by Sapozhnik Ivan on 09.06.16.
//  Copyright © 2016 Sapozhnik Ivan. All rights reserved.
//

import Foundation
import Alamofire

enum AppRouter: URLRequestConvertible {
	case Login(String, String)
	case Logout
	case State
	case GetCategories
	case UserDetails
	case Store
	case MyFeatures
	case FeatureDetails(String) // Store feature
	case MyFeatureDetails(String)
	case BuyFeature(String)
	case ChangeState(String, String)
	case NotificationsSubscribe(String)
	case NotificationsUnsubscribe(String)
	
	var method: Alamofire.Method {
		switch self {
		case .State,
		     .GetCategories,
		     .UserDetails,
		     .Store,
			 .MyFeatures,
			 .FeatureDetails,
			 .MyFeatureDetails,
			 .Logout:
			return .GET
		case .Login, BuyFeature, .ChangeState, NotificationsSubscribe:
			return .POST
		case .NotificationsUnsubscribe:
			return .DELETE
		}
	}
	
	var path: String {
		switch self {
		case .Login(_,_):
			return "user/login"
		case .State:
			return "user/state"
		case .GetCategories:
			return "feature/categories"
		case .UserDetails:
			return "user/details"
		case .Store:
			return "feature/features"
		case .MyFeatures:
			return "myfeature/myfeatures"
		case .FeatureDetails(let featureId):
			return "feature/features/\(featureId)"
		case .MyFeatureDetails(let featureId):
			return "myfeature/myfeatures/\(featureId)"
		case .BuyFeature(_):
			return "purchase/purchase"
		case .ChangeState(let featureId, _):
			return "myfeature/myfeatures/\(featureId)"
		case .NotificationsSubscribe:
			return "subscriptions/subscribe"
		case .NotificationsUnsubscribe:
			return "subscriptions/unsubscribe"
		case .Logout:
			return "user/logout"
		}
	}
	
	var URLRequest: NSMutableURLRequest {
		let URL = Configuration.sharedInstance.currentConfig.baseURL()
		let mutableURLRequest = NSMutableURLRequest(URL: URL.URLByAppendingPathComponent(path)!)
		mutableURLRequest.HTTPMethod = method.rawValue
		
		if let token = DataManager.sharedInstance.authToken.tokenString {
			mutableURLRequest.setValue(token, forHTTPHeaderField: "api-token")
		}
		
		switch self {
		case .Login(let login, let password):
			let parameters = ["login":login, "password":password]
			return Alamofire.ParameterEncoding.JSON.encode(mutableURLRequest, parameters: parameters).0
		case .BuyFeature(let featureId):
			let parameters = ["featureId":featureId]
			return Alamofire.ParameterEncoding.JSON.encode(mutableURLRequest, parameters: parameters).0
		case .ChangeState(_, let stateString):
			let parameters = ["desiredState":stateString]
			return Alamofire.ParameterEncoding.JSON.encode(mutableURLRequest, parameters: parameters).0
		case .NotificationsSubscribe(let token):
			let data = ["deviceId": token]
			return Alamofire.ParameterEncoding.JSON.encode(mutableURLRequest, parameters: data).0
		case .NotificationsUnsubscribe(let token):
			let data = ["deviceId": token]
			return Alamofire.ParameterEncoding.JSON.encode(mutableURLRequest, parameters: data).0
		default:
			return Alamofire.ParameterEncoding.JSON.encode(mutableURLRequest, parameters: nil).0
		}
	}
}