From 11f5a3a91437252915c77efcf1eb328d8fd0f9a8 Mon Sep 17 00:00:00 2001
From: Justin Mazzocchi <2831158+jzzocc@users.noreply.github.com>
Date: Fri, 5 Mar 2021 21:48:11 -0800
Subject: [PATCH] Only refresh or alert if visible

---
 Extensions/UIVIewController+Extensions.swift |  2 ++
 View Controllers/TableViewController.swift   | 12 ++++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Extensions/UIVIewController+Extensions.swift b/Extensions/UIVIewController+Extensions.swift
index f4786a4..803d4c1 100644
--- a/Extensions/UIVIewController+Extensions.swift
+++ b/Extensions/UIVIewController+Extensions.swift
@@ -5,6 +5,8 @@ import UIKit
 import ViewModels
 
 extension UIViewController {
+    var isVisible: Bool { isViewLoaded && view.window != nil && presentedViewController == nil }
+
     func present(alertItem: AlertItem) {
         let alertController = UIAlertController(
             title: nil,
diff --git a/View Controllers/TableViewController.swift b/View Controllers/TableViewController.swift
index 3c11ec5..7e9a06a 100644
--- a/View Controllers/TableViewController.swift	
+++ b/View Controllers/TableViewController.swift	
@@ -422,7 +422,11 @@ private extension TableViewController {
 
         viewModel.alertItems
             .compactMap { $0 }
-            .sink { [weak self] in self?.present(alertItem: $0) }
+            .sink { [weak self] in
+                guard let self = self, self.isVisible else { return }
+
+                self.present(alertItem: $0)
+            }
             .store(in: &cancellables)
 
         tableView.publisher(for: \.contentOffset)
@@ -444,7 +448,11 @@ private extension TableViewController {
 
         NotificationCenter.default.publisher(for: UIScene.willEnterForegroundNotification)
             .merge(with: NotificationCenter.default.publisher(for: NewStatusViewController.newStatusPostedNotification))
-            .sink { [weak self] _ in self?.refreshIfAble() }
+            .sink { [weak self] _ in
+                guard let self = self, self.isVisible else { return }
+
+                self.refreshIfAble()
+            }
             .store(in: &cancellables)
 
         NotificationCenter.default.publisher(for: LoadMoreView.accessibilityCustomAction)