Network layer (ongoing)

repo-browser/ViewController.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 
-class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {
+class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, RBRNetworkControllerDelegate {
     
     @IBOutlet var txfRepoOwner: UITextField!
     @IBOutlet var tblRepoTable: UITableView!
@@ -16,6 +16,7 @@ class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSour
     let cellIdentifier = "RepoCell"
     var dataSource: Array<Dictionary<String, String>> = []
     var selectedIndex: Int!
+    let netController = RBRNetworkController()
     
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -64,4 +65,62 @@ class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSour
         selectedIndex = indexPath.row
         performSegue(withIdentifier: "sortedDetailSegue", sender: self)
     }
+    
+    // MARK: - Network calls
+    
+    /**
+    Get all repositories of a user
+    */
+    func getRepos() {
+        if let owner = txfRepoOwner.text {
+            weak var weakSelf = self
+            DispatchQueue.global(qos: .userInitiated).async {
+                weakSelf?.netController.getRepos(owner: owner, completion: { (data, HTTPStatusCode, error) in
+                    if HTTPStatusCode == 200 && error == nil {
+                        do {
+                            let result = try JSONSerialization.jsonObject(with: data!, options: []) as! Array<Dictionary<String, AnyObject>>
+                            print(result)
+//                            weakSelf?.btnConfigUsers.isHidden = self.appChildren.count > 0 ? false : true
+//                            weakSelf?.cltChildrenCollection.reloadData()
+                        }
+                        catch {
+                            print("Post request try/catch error: \(error)")
+                        }
+                    }
+                    else {
+                        print("Error retrieving repo")
+                    }
+                })
+            }
+        }
+        else {
+            self.warnMessage(msg: "Please fill repository owner field")
+        }
+    }
+    
+    // MARK: - Action
+    
+    @IBAction func loadRepo(_ sender: UIButton) {
+        self.getRepos()
+    }
+    
+    
+    // MARK: - Helpers
+    
+    func warnMessage(msg: String) {
+        let alert = UIAlertController(title: "Error", message: msg, preferredStyle: UIAlertController.Style.alert)
+        alert.addAction(UIAlertAction(title: "Ok", style: UIAlertAction.Style.default, handler: nil))
+        
+        self.present(alert, animated: true, completion: nil)
+    }
+    
+    // MARK: - Delegates
+    
+    func messageServerDown() {
+        let msg: String = "The server is not responding. Please try again later."
+        let alert = UIAlertController(title: "Error", message: msg, preferredStyle: UIAlertController.Style.alert)
+        alert.addAction(UIAlertAction(title: "Ok", style: UIAlertAction.Style.default, handler: nil))
+        
+        self.present(alert, animated: true, completion: nil)
+    }
 }