Fix recently saved images to camera roll don't show up

Author: martinmitrevski

CHANGELOG.md

@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### 🐞 Fixed
 - Fix marked read while the app is in the background
+- Fix recently saved images to camera roll don't show up
 
 # [4.41.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.41.0)
 _November 03, 2023_

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerViewModel.swift

@@ -171,6 +171,12 @@ open class MessageComposerViewModel: ObservableObject {
         self.channelController = channelController
         self.messageController = messageController
         listenToCooldownUpdates()
+        NotificationCenter.default.addObserver(
+            self,
+            selector: #selector(applicationWillEnterForeground),
+            name: UIApplication.willEnterForegroundNotification,
+            object: nil
+        )
     }
 
     public func sendMessage(
@@ -401,22 +407,7 @@ open class MessageComposerViewModel: ObservableObject {
             switch status {
             case .authorized, .limited:
                 log.debug("Access to photos granted.")
-                let fetchOptions = PHFetchOptions()
-                let supportedTypes = self.utils.composerConfig.gallerySupportedTypes
-                var predicate: NSPredicate?
-                if supportedTypes == .images {
-                    predicate = NSPredicate(format: "mediaType = \(PHAssetMediaType.image.rawValue)")
-                } else if supportedTypes == .videos {
-                    predicate = NSPredicate(format: "mediaType = \(PHAssetMediaType.video.rawValue)")
-                }
-                if let predicate {
-                    fetchOptions.predicate = predicate
-                }
-                fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
-                let assets = PHAsset.fetchAssets(with: fetchOptions)
-                DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) { [weak self] in
-                    self?.imageAssets = assets
-                }
+                self.fetchAssets()
             case .denied, .restricted, .notDetermined:
                 DispatchQueue.main.async { [weak self] in
                     self?.imageAssets = PHFetchResult<PHAsset>()
@@ -449,6 +440,25 @@ open class MessageComposerViewModel: ObservableObject {
 
     // MARK: - private
 
+    private func fetchAssets() {
+        let fetchOptions = PHFetchOptions()
+        let supportedTypes = self.utils.composerConfig.gallerySupportedTypes
+        var predicate: NSPredicate?
+        if supportedTypes == .images {
+            predicate = NSPredicate(format: "mediaType = \(PHAssetMediaType.image.rawValue)")
+        } else if supportedTypes == .videos {
+            predicate = NSPredicate(format: "mediaType = \(PHAssetMediaType.video.rawValue)")
+        }
+        if let predicate {
+            fetchOptions.predicate = predicate
+        }
+        fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
+        let assets = PHAsset.fetchAssets(with: fetchOptions)
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) { [weak self] in
+            self?.imageAssets = assets
+        }
+    }
+    
     private func checkForMentionedUsers(
         commandId: String?,
         extraData: [String: Any]
@@ -607,4 +617,11 @@ open class MessageComposerViewModel: ObservableObject {
             return false
         }
     }
+    
+    @objc
+    private func applicationWillEnterForeground() {
+        if (imageAssets?.count ?? 0) > 0 {
+            self.fetchAssets()
+        }
+    }
 }