Network layer (ongoing)

repo-browser/Helpers/RBRNetworkController.swift

@@ -0,0 +1,60 @@
+//
+//  RBRNetworkController.swift
+//  repo-browser
+//
+//  Created by Rodrigo Pedroso on 2019-06-26.
+//  Copyright © 2019 Rodrigo Pedroso Leite Pinto. All rights reserved.
+//
+
+import UIKit
+
+protocol RBRNetworkControllerDelegate: class {
+    func messageServerDown()
+}
+
+class RBRNetworkController: NSObject {
+    
+    var network: Dictionary<NSObject, AnyObject> = [:]
+    var api: String = ""
+    var token: String = ""
+    let timeOut: TimeInterval = 6.0
+    weak var delegate: RBRNetworkControllerDelegate?
+    
+    // MARK: - Initialization
+    
+    override init() {
+        // Storing server URL into 'api'
+        if let path = Bundle.main.path(forResource: "RepoBrowser", ofType: "plist"), let dict = NSDictionary(contentsOfFile: path) {
+            token = dict["token"] as! String
+            network = (dict["Network"] as? Dictionary<NSObject, AnyObject>)!
+            api = network["api" as NSString] as! String
+        }
+    }
+    
+    // MARKL - Network calls
+    
+    func getRepos(owner: String, completion: @escaping (_ data: Data?, _ HTTPStatusCode: Int, _ error: NSError?) -> Void) {
+        let urlString: String = api + owner
+        let targetURL = URL(string: urlString)
+        var request = URLRequest(url: targetURL!)
+        request.addValue("application/vnd.github.v3+json", forHTTPHeaderField: "Accept")
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        request.httpMethod = "GET"
+        request.timeoutInterval = timeOut
+        let session = URLSession.shared
+        
+        session.dataTask(with: request) {
+            data, response, err in DispatchQueue.main.async(execute: {
+                () -> Void in
+                if (response as? HTTPURLResponse) != nil {
+                    completion(data, (response as! HTTPURLResponse).statusCode, err as NSError?)
+                }
+                else {
+                    print("No response: \(String(describing: err))")
+                    self.delegate?.messageServerDown()
+                }
+            })
+            }.resume()
+    }
+}