WIP: add block button to message request view

Session/Conversations/ConversationVC+Interaction.swift

@@ -1728,6 +1728,53 @@ extension ConversationVC {
         
         self.present(alertVC, animated: true, completion: nil)
     }
+    
+    @objc func block() {
+        guard self.viewModel.threadData.threadVariant == .contact else { return }
+        
+        let threadId: String = self.viewModel.threadData.threadId
+        let alertVC: UIAlertController = UIAlertController(
+            title: "MESSAGE_REQUESTS_BLOCK_CONFIRMATION_ACTON".localized(),
+            message: nil,
+            preferredStyle: .actionSheet
+        )
+        alertVC.addAction(UIAlertAction(title: "TXT_DELETE_TITLE".localized(), style: .destructive) { _ in
+            // Delete the request
+            Storage.shared.writeAsync(
+                updates: { db in
+                    // Update the contact
+                    _ = try Contact
+                        .fetchOrCreate(db, id: threadId)
+                        .with(
+                            isApproved: false,
+                            isBlocked: true,
+
+                            // Note: We set this to true so the current user will be able to send a
+                            // message to the person who originally sent them the message request in
+                            // the future if they unblock them
+                            didApproveMe: true
+                        )
+                        .saved(db)
+                    
+                    _ = try SessionThread
+                        .filter(id: threadId)
+                        .deleteAll(db)
+                    
+                    try MessageSender
+                        .syncConfiguration(db, forceSyncNow: true)
+                        .retainUntilComplete()
+                },
+                completion: { db, _ in
+                    DispatchQueue.main.async { [weak self] in
+                        self?.navigationController?.popViewController(animated: true)
+                    }
+                }
+            )
+        })
+        alertVC.addAction(UIAlertAction(title: "TXT_CANCEL_TITLE".localized(), style: .cancel, handler: nil))
+        
+        self.present(alertVC, animated: true, completion: nil)
+    }
 }
 
 // MARK: - MediaPresentationContextProvider

Session/Conversations/ConversationVC.swift

@@ -279,6 +279,18 @@ final class ConversationVC: BaseVC, OWSConversationSettingsViewDelegate, Convers
 
         return result
     }()
+    
+    private lazy var messageRequestBlockButton: UIButton = {
+        let result: UIButton = UIButton()
+        result.translatesAutoresizingMaskIntoConstraints = false
+        result.clipsToBounds = true
+        result.titleLabel?.font = UIFont.boldSystemFont(ofSize: 16)
+        result.setTitle(NSLocalizedString("TXT_BLOCK_USER_TITLE", comment: ""), for: .normal)
+        result.setTitleColor(Colors.destructive, for: .normal)
+        result.addTarget(self, action: #selector(block), for: .touchUpInside)
+
+        return result
+    }()
 
     // MARK: - Settings
     
@@ -339,6 +351,7 @@ final class ConversationVC: BaseVC, OWSConversationSettingsViewDelegate, Convers
         view.addSubview(scrollButton)
         view.addSubview(messageRequestView)
 
+        messageRequestView.addSubview(messageRequestBlockButton)
         messageRequestView.addSubview(messageRequestDescriptionLabel)
         messageRequestView.addSubview(messageRequestAcceptButton)
         messageRequestView.addSubview(messageRequestDeleteButton)
@@ -351,7 +364,10 @@ final class ConversationVC: BaseVC, OWSConversationSettingsViewDelegate, Convers
         self.scrollButtonBottomConstraint?.isActive = false // Note: Need to disable this to avoid a conflict with the other bottom constraint
         self.scrollButtonMessageRequestsBottomConstraint = scrollButton.pin(.bottom, to: .top, of: messageRequestView, withInset: -16)
         
-        messageRequestDescriptionLabel.pin(.top, to: .top, of: messageRequestView, withInset: 10)
+        messageRequestBlockButton.pin(.top, to: .top, of: messageRequestView, withInset: 10)
+        messageRequestBlockButton.center(.horizontal, in: messageRequestView)
+        
+        messageRequestDescriptionLabel.pin(.top, to: .bottom, of: messageRequestBlockButton, withInset: 20)
         messageRequestDescriptionLabel.pin(.left, to: .left, of: messageRequestView, withInset: 40)
         messageRequestDescriptionLabel.pin(.right, to: .right, of: messageRequestView, withInset: -40)