Handle @twitter handler tap by calling TwitterFollowDelegate delegate

Author: zats

trySwift/OfficeHoursDetailViewController.swift

@@ -47,7 +47,7 @@ extension OfficeHoursDetailViewController {
             return cell
         case .speakerInfo:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as SpeakerTableViewCell
-            cell.configure(withSpeaker: speaker, selectionEnabled: false, accessoryEnabled: false)
+            cell.configure(withSpeaker: speaker, selectionEnabled: false, accessoryEnabled: false, delegate: self)
             return cell
         case .bio:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as TextTableViewCell

trySwift/SessionDetailsViewController.swift

@@ -49,7 +49,7 @@ extension SessionDetailsViewController {
             return cell
         case .speakerInfo:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as SpeakerTableViewCell
-            cell.configure(withSpeaker: presentation.speaker!, selectionEnabled: false, accessoryEnabled: false)
+            cell.configure(withSpeaker: presentation.speaker!, selectionEnabled: false, accessoryEnabled: false, delegate: self)
             return cell
         case .summary:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as TextTableViewCell

trySwift/SpeakerDetailViewController.swift

@@ -43,7 +43,7 @@ extension SpeakerDetailViewController {
         switch SpeakerDetail(rawValue: indexPath.row)! {
         case .header:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as SpeakerTableViewCell
-            cell.configure(withSpeaker: speaker, selectionEnabled: false, accessoryEnabled: false)
+            cell.configure(withSpeaker: speaker, selectionEnabled: false, accessoryEnabled: false, delegate: self)
             return cell
         case .bio:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as TextTableViewCell

trySwift/SpeakerTableViewCell.swift

@@ -14,22 +14,31 @@ class SpeakerTableViewCell: UITableViewCell {
 
     @IBOutlet weak var speakerImageView: UIImageView!
     @IBOutlet weak var speakerNameLabel: UILabel!
-    @IBOutlet weak var speakerTwitterLabel: UILabel!
-    
+    @IBOutlet weak var speakerTwitterButton: UIButton!
+
+    fileprivate var speaker: Speaker?
+    fileprivate weak var delegate: TwitterFollowDelegate?
+
     override func awakeFromNib() {
         super.awakeFromNib()
-        
-        speakerTwitterLabel.textColor = .trySwiftAccentColor()
+        speakerTwitterButton.setTitleColor(.trySwiftAccentColor(), for: .normal)
     }
 
-    func configure(withSpeaker speaker: Speaker, selectionEnabled: Bool = true, accessoryEnabled: Bool = true) {
 
+    @IBAction func speakerTwitterButtonDidTap(_ sender: Any) {
+        guard let speaker = speaker else {
+          assertionFailure("Speaker is not set")
+          return
+        }
+        self.delegate?.followUser(speaker.twitter)
+    }
+
+    func configure(withSpeaker speaker: Speaker, selectionEnabled: Bool = true, accessoryEnabled: Bool = true, delegate: TwitterFollowDelegate) {
         let scale = UIScreen.main.scale
         let processor = RoundCornerImageProcessor(cornerRadius: 34, targetSize: CGSize(width: 67, height: 67))
         speakerImageView.kf.setImage(with: speaker.imageURL, placeholder: nil, options: [.processor(processor), .scaleFactor(scale)])
         speakerNameLabel.text = speaker.localizedName
-        speakerTwitterLabel.text = "@\(speaker.twitter)"
-        
+        speakerTwitterButton.setTitle("@\(speaker.twitter)", for: .normal)
         if !selectionEnabled {
             selectionStyle = .none
         }
@@ -40,5 +49,8 @@ class SpeakerTableViewCell: UITableViewCell {
 
         setNeedsUpdateConstraints()
         layoutIfNeeded()
+
+        self.speaker = speaker
+        self.delegate = delegate
     }
 }

trySwift/SpeakersViewController.swift

@@ -72,7 +72,7 @@ extension SpeakersViewController {
     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as SpeakerTableViewCell
 
-        cell.configure(withSpeaker: speakers[indexPath.row])
+        cell.configure(withSpeaker: speakers[indexPath.row], delegate: self)
 
         return cell
     }

trySwift/WorkshopDetailViewController.swift

@@ -56,7 +56,7 @@ extension WorkshopDetailViewController {
             return cell
         case .speakerInfo:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as SpeakerTableViewCell
-            cell.configure(withSpeaker: presentation.speaker!, selectionEnabled: false, accessoryEnabled: false)
+            cell.configure(withSpeaker: presentation.speaker!, selectionEnabled: false, accessoryEnabled: false, delegate: self)
             return cell
         case .summary:
             let cell = tableView.dequeueReusableCell(forIndexPath: indexPath) as TextTableViewCell