Delegates and protocols 1/2 github profile

GHFollowers.xcodeproj/project.pbxproj

@@ -89,14 +89,14 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
-		7D7C66592438A2B300733687 /* ItemInfoVCs */ = {
+		7D7C66592438A2B300733687 /* ItemInfoVCs-SuperClass+SubClass */ = {
 			isa = PBXGroup;
 			children = (
 				7D7C6653243897F300733687 /* GFItemInfoVC.swift */,
 				7D7C665524389E0600733687 /* GFRepoItemVC.swift */,
 				7D7C66572438A22C00733687 /* GFFollowerItemVC.swift */,
 			);
-			path = ItemInfoVCs;
+			path = "ItemInfoVCs-SuperClass+SubClass";
 			sourceTree = "<group>";
 		};
 		7D98BB1B2428FE73006C53E9 = {
@@ -258,7 +258,7 @@
 		7DA45F7D2433DCE700AB426F /* ViewControllers */ = {
 			isa = PBXGroup;
 			children = (
-				7D7C66592438A2B300733687 /* ItemInfoVCs */,
+				7D7C66592438A2B300733687 /* ItemInfoVCs-SuperClass+SubClass */,
 				7D98BB49242A55ED006C53E9 /* GFAlertVC.swift */,
 				7DA45F842433FAF800AB426F /* GFUserInfoheaderVC.swift */,
 			);

GHFollowers/Components/ViewControllers/ItemInfoVCs/GFItemInfoVC.swift → GHFollowers/Components/ViewControllers/ItemInfoVCs-SuperClass+SubClass/GFItemInfoVC.swift

@@ -16,6 +16,8 @@ class GFItemInfoVC: UIViewController {
     let actionButton = GFButton()
 
     var user: User!
+    var delegate: UserInfoVCDelegate!
+
 
     // create a custom initializer
     // so when we initialize the VC we can pass the User object
@@ -35,6 +37,7 @@ class GFItemInfoVC: UIViewController {
         configureBackgroundView()
         layoutUI()
         configureStackView()
+        configureActionButton()
     }
 
 
@@ -51,7 +54,16 @@ class GFItemInfoVC: UIViewController {
         stackView.addArrangedSubview(itemInfoView1)
         stackView.addArrangedSubview(itemInfoView2)
     }
-
+
+
+    // Add button actions
+    private func configureActionButton() {
+        actionButton.addTarget(self, action: #selector(actionButtonTapped), for: .touchUpInside)
+    }
+    // this is empty because we are going to override and call it in the subClasses repos/followers
+    @objc func actionButtonTapped() {}
+
+
 
     private func layoutUI() {
         view.addSubview(stackView)

GHFollowers/Components/ViewControllers/ItemInfoVCs/GFRepoItemVC.swift → GHFollowers/Components/ViewControllers/ItemInfoVCs-SuperClass+SubClass/GFRepoItemVC.swift

@@ -27,4 +27,11 @@ class GFRepoItemVC: GFItemInfoVC {
         itemInfoView2.set(itemInfoType: .gists, withCount: user.publicGists)
         actionButton.set(backgroundColor: .systemPurple, title: "GitHub Profile")
     }
+
+
+    // call the func from the parent class
+    override func actionButtonTapped() {
+        // call the didTapGithubProfile func declared in the delegate UserInfoVC
+        delegate.didTapGithubProfile(for: user)
+    }
 }

GHFollowers/Screens/UserInfoVC.swift

@@ -7,6 +7,14 @@
 //
 
 import UIKit
+import SafariServices
+
+// setup the protocol for the delegate
+protocol UserInfoVCDelegate: class {
+    func didTapGithubProfile(for user: User)
+    func didTapGetFollowers(for user: User)
+}
+
 
 class UserInfoVC: UIViewController {
 
@@ -49,12 +57,7 @@ class UserInfoVC: UIViewController {
 
             switch result {
             case .success(let user):
-                DispatchQueue.main.async {
-                    self.add(childVC: GFUserInfoheaderVC(user: user), to: self.headerView)
-                    self.add(childVC: GFRepoItemVC(user: user), to: self.itemViewOne)
-                    self.add(childVC: GFFollowerItemVC(user: user), to: self.itemViewTwo)
-                    self.dateLabel.text = "GitHub since \(user.createdAt.convertToDisplayFormat())"
-                }
+                DispatchQueue.main.async { self.configureUIElements(with: user) }
 
             case .failure(let error):
                 self.presentGFAlertOnMainThread(title: "Something went wrong", message: error.rawValue, buttonTitle: "Ok")
@@ -64,6 +67,22 @@ class UserInfoVC: UIViewController {
 
 
 
+    func configureUIElements(with user: User) {
+
+        let repoItemVC = GFRepoItemVC(user: user)
+        repoItemVC.delegate = self
+
+        let followerItemVC = GFFollowerItemVC(user: user)
+        followerItemVC.delegate = self
+
+        self.add(childVC: GFUserInfoheaderVC(user: user), to: self.headerView)
+        self.add(childVC: repoItemVC, to: self.itemViewOne)
+        self.add(childVC: followerItemVC, to: self.itemViewTwo)
+        self.dateLabel.text = "GitHub since \(user.createdAt.convertToDisplayFormat())"
+    }
+
+
+
     // MARK: UI layout
     func layoutUI() {
         itemViews = [headerView, itemViewOne, itemViewTwo, dateLabel]
@@ -105,3 +124,33 @@ class UserInfoVC: UIViewController {
 
 
 }
+
+
+
+// MARK: Delegates
+// we set the ItemInfoVC as the delegate
+
+// Conform to the protocol
+extension UserInfoVC: UserInfoVCDelegate {
+    // this function is called in the GFRepoItemVC
+    func didTapGithubProfile(for user: User) {
+        // show safari view controller
+        guard let url = URL(string: user.htmlUrl) else {
+            presentGFAlertOnMainThread(title: "Invalid URL.", message: "The url attached to this user is invalid.", buttonTitle: "Ok")
+
+            return
+        }
+
+        let safariVC = SFSafariViewController(url: url)
+        safariVC.preferredControlTintColor = .systemGreen
+        present(safariVC, animated: true)
+    }
+
+
+
+    // this function is called in the GFFOllowerItemVC
+    func didTapGetFollowers(for user: User) {
+        // Dismiss this VC
+        // Pass the follower list VC the new username so it can search for followers
+    }
+}