Fix media and files attachments not showing in channel info view (#554)

Author: martinmitrevski

CHANGELOG.md

@@ -3,7 +3,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 # Upcoming
 
-### 🔄 Changed
+### 🐞 Fixed
+- Media and files attachments not showing in channel info view [#552](https://github.com/GetStream/stream-chat-swiftui/pull/552)
 
 # [4.60.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.60.0)
 _July 19, 2024_

Sources/StreamChatSwiftUI/ChatChannel/ChannelInfo/FileAttachmentsViewModel.swift

@@ -7,8 +7,8 @@ import StreamChat
 import SwiftUI
 
 /// View model for the `FileAttachmentsView`.
-class FileAttachmentsViewModel: ObservableObject {
-
+class FileAttachmentsViewModel: ObservableObject, ChatMessageSearchControllerDelegate {
+    
     @Published var loading = false
     @Published var attachmentsDataSource = [MonthlyFileAttachments]()
     @Published var selectedAttachment: ChatMessageFileAttachment?
@@ -28,6 +28,7 @@ class FileAttachmentsViewModel: ObservableObject {
 
         dateFormatter.dateFormat = "MMMM yyyy"
         messageSearchController = chatClient.messageSearchController()
+        messageSearchController.delegate = self
         loadMessages()
     }
 
@@ -73,6 +74,12 @@ class FileAttachmentsViewModel: ObservableObject {
             }
         }
     }
+    
+    // MARK: - ChatMessageSearchControllerDelegate
+    
+    func controller(_ controller: ChatMessageSearchController, didChangeMessages changes: [ListChange<ChatMessage>]) {
+        updateAttachments()
+    }
 
     private func loadMessages() {
         let query = MessageSearchQuery(

Sources/StreamChatSwiftUI/ChatChannel/ChannelInfo/MediaAttachmentsViewModel.swift

@@ -7,7 +7,7 @@ import StreamChat
 import SwiftUI
 
 /// View model for the `MediaAttachmentsView`.
-class MediaAttachmentsViewModel: ObservableObject {
+class MediaAttachmentsViewModel: ObservableObject, ChatMessageSearchControllerDelegate {
 
     @Published var mediaItems = [MediaItem]()
     @Published var loading = false
@@ -27,6 +27,7 @@ class MediaAttachmentsViewModel: ObservableObject {
     init(channel: ChatChannel) {
         self.channel = channel
         messageSearchController = chatClient.messageSearchController()
+        messageSearchController.delegate = self
         loadMessages()
     }
 
@@ -53,6 +54,12 @@ class MediaAttachmentsViewModel: ObservableObject {
             }
         }
     }
+    
+    // MARK: - ChatMessageSearchControllerDelegate
+    
+    func controller(_ controller: ChatMessageSearchController, didChangeMessages changes: [ListChange<ChatMessage>]) {
+        updateAttachments()
+    }
 
     private func loadMessages() {
         let query = MessageSearchQuery(