Fix skip slow mode capability not handled (#402)

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
+- Fix skip slow mode capability not handled
 
 # [4.42.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.42.0)
 _November 15, 2023_

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerViewModel.swift

@@ -130,6 +130,9 @@ open class MessageComposerViewModel: ObservableObject {
 
     private var timer: Timer?
     private var cooldownPeriod = 0
+    private var isSlowModeDisabled: Bool {
+        channelController.channel?.ownCapabilities.contains("skip-slow-mode") == true
+    }
 
     private var cancellables = Set<AnyCancellable>()
     private lazy var commandsHandler = utils
@@ -442,7 +445,7 @@ open class MessageComposerViewModel: ObservableObject {
 
     private func fetchAssets() {
         let fetchOptions = PHFetchOptions()
-        let supportedTypes = self.utils.composerConfig.gallerySupportedTypes
+        let supportedTypes = utils.composerConfig.gallerySupportedTypes
         var predicate: NSPredicate?
         if supportedTypes == .images {
             predicate = NSPredicate(format: "mediaType = \(PHAssetMediaType.image.rawValue)")
@@ -557,6 +560,7 @@ open class MessageComposerViewModel: ObservableObject {
 
     private func listenToCooldownUpdates() {
         channelController.channelChangePublisher.sink { [weak self] _ in
+            guard self?.isSlowModeDisabled == false else { return }
             let cooldownDuration = self?.channelController.channel?.cooldownDuration ?? 0
             if self?.cooldownPeriod == cooldownDuration {
                 return
@@ -569,7 +573,7 @@ open class MessageComposerViewModel: ObservableObject {
 
     private func checkChannelCooldown() {
         let duration = channelController.channel?.cooldownDuration ?? 0
-        if duration > 0 && timer == nil {
+        if duration > 0 && timer == nil && !isSlowModeDisabled {
             cooldownDuration = duration
             timer = Timer.scheduledTimer(
                 withTimeInterval: 1,
@@ -621,7 +625,7 @@ open class MessageComposerViewModel: ObservableObject {
     @objc
     private func applicationWillEnterForeground() {
         if (imageAssets?.count ?? 0) > 0 {
-            self.fetchAssets()
+            fetchAssets()
         }
     }
 }