Implemented channel config

Author: martinmitrevski

Sources/StreamChatSwiftUI/ChatChannel/ChannelHeader/ChatChannelHeaderViewModifier.swift

@@ -25,6 +25,19 @@ public struct DefaultChatChannelHeader: ToolbarContent {
         chatClient.currentUserId ?? ""
     }
 
+    private var shouldShowTypingIndicator: Bool {
+        !channel.currentlyTypingUsersFiltered(currentUserId: currentUserId).isEmpty
+            && utils.typingIndicatorPlacement == .navigationBar
+            && channel.config.typingEventsEnabled
+    }
+    
+    private var onlineIndicatorShown: Bool {
+        !channel.lastActiveMembers.filter { member in
+            member.id != chatClient.currentUserId && member.isOnline
+        }
+        .isEmpty
+    }
+    
     public var channel: ChatChannel
     public var headerImage: UIImage
 
@@ -33,8 +46,7 @@ public struct DefaultChatChannelHeader: ToolbarContent {
             VStack(spacing: 2) {
                 Text(channelNamer(channel, currentUserId) ?? "")
                     .font(fonts.bodyBold)
-                if !channel.currentlyTypingUsersFiltered(currentUserId: currentUserId).isEmpty
-                    && utils.typingIndicatorPlacement == .navigationBar {
+                if shouldShowTypingIndicator {
                     HStack {
                         TypingIndicatorView()
                         SubtitleText(text: channel.typingIndicatorString(currentUserId: currentUserId))
@@ -56,13 +68,6 @@ public struct DefaultChatChannelHeader: ToolbarContent {
             .offset(x: 8)
         }
     }
-    
-    private var onlineIndicatorShown: Bool {
-        !channel.lastActiveMembers.filter { member in
-            member.id != chatClient.currentUserId && member.isOnline
-        }
-        .isEmpty
-    }
 }
 
 /// The default header modifier.

Sources/StreamChatSwiftUI/ChatChannel/Composer/AttachmentPickerTypeView.swift

@@ -2,6 +2,7 @@
 // Copyright © 2022 Stream.io Inc. All rights reserved.
 //
 
+import StreamChat
 import SwiftUI
 
 /// Enum for the picker type state.
@@ -30,22 +31,31 @@ public struct AttachmentPickerTypeView: View {
     @Injected(\.colors) private var colors
 
     @Binding var pickerTypeState: PickerTypeState
+    var channelConfig: ChannelConfig?
+    
+    private var commandsAvailable: Bool {
+        channelConfig?.commands.count ?? 0 > 0
+    }
 
     public var body: some View {
         HStack(spacing: 16) {
             switch pickerTypeState {
             case let .expanded(attachmentPickerType):
-                PickerTypeButton(
-                    pickerTypeState: $pickerTypeState,
-                    pickerType: .media,
-                    selected: attachmentPickerType
-                )
+                if channelConfig?.uploadsEnabled == true {
+                    PickerTypeButton(
+                        pickerTypeState: $pickerTypeState,
+                        pickerType: .media,
+                        selected: attachmentPickerType
+                    )
+                }
 
-                PickerTypeButton(
-                    pickerTypeState: $pickerTypeState,
-                    pickerType: .instantCommands,
-                    selected: attachmentPickerType
-                )
+                if commandsAvailable {
+                    PickerTypeButton(
+                        pickerTypeState: $pickerTypeState,
+                        pickerType: .instantCommands,
+                        selected: attachmentPickerType
+                    )
+                }
             case .collapsed:
                 Button {
                     withAnimation {

Sources/StreamChatSwiftUI/ChatChannel/Composer/ComposerTextInputView.swift

@@ -12,6 +12,7 @@ struct ComposerTextInputView: UIViewRepresentable {
     @Binding var selectedRangeLocation: Int
 
     var placeholder: String
+    var maxMessageLength: Int?
 
     func makeUIView(context: Context) -> InputTextView {
         let inputTextView = InputTextView()
@@ -34,16 +35,21 @@ struct ComposerTextInputView: UIViewRepresentable {
     }
 
     func makeCoordinator() -> Coordinator {
-        Coordinator(textInput: self)
+        Coordinator(textInput: self, maxMessageLength: maxMessageLength)
     }
 
     class Coordinator: NSObject, UITextViewDelegate, NSLayoutManagerDelegate {
         weak var textView: InputTextView?
 
         var textInput: ComposerTextInputView
+        var maxMessageLength: Int?
 
-        init(textInput: ComposerTextInputView) {
+        init(
+            textInput: ComposerTextInputView,
+            maxMessageLength: Int?
+        ) {
             self.textInput = textInput
+            self.maxMessageLength = maxMessageLength
         }
 
         func textViewDidChange(_ textView: UITextView) {
@@ -56,7 +62,9 @@ struct ComposerTextInputView: UIViewRepresentable {
             shouldChangeTextIn range: NSRange,
             replacementText text: String
         ) -> Bool {
-            true
+            guard let maxMessageLength = maxMessageLength else { return true }
+            let newMessageLength = textView.text.count + (text.count - range.length)
+            return newMessageLength <= maxMessageLength
         }
 
         func layoutManager(

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerView.swift

@@ -15,6 +15,7 @@ public struct MessageComposerView<Factory: ViewFactory>: View, KeyboardReadable
     @State private var composerHeight: CGFloat = 0
 
     private var factory: Factory
+    private var channelConfig: ChannelConfig?
     @Binding var quotedMessage: ChatMessage?
     @Binding var editedMessage: ChatMessage?
 
@@ -27,6 +28,7 @@ public struct MessageComposerView<Factory: ViewFactory>: View, KeyboardReadable
         onMessageSent: @escaping () -> Void
     ) {
         factory = viewFactory
+        channelConfig = channelController.channel?.config
         _viewModel = StateObject(
             wrappedValue: ViewModelsFactory.makeMessageComposerViewModel(
                 with: channelController,
@@ -55,7 +57,10 @@ public struct MessageComposerView<Factory: ViewFactory>: View, KeyboardReadable
             }
 
             HStack(alignment: .bottom) {
-                factory.makeLeadingComposerView(state: $viewModel.pickerTypeState)
+                factory.makeLeadingComposerView(
+                    state: $viewModel.pickerTypeState,
+                    channelConfig: channelConfig
+                )
 
                 factory.makeComposerInputView(
                     text: $viewModel.text,
@@ -65,6 +70,7 @@ public struct MessageComposerView<Factory: ViewFactory>: View, KeyboardReadable
                     addedFileURLs: viewModel.addedFileURLs,
                     addedCustomAttachments: viewModel.addedCustomAttachments,
                     quotedMessage: $quotedMessage,
+                    maxMessageLength: channelConfig?.maxMessageLength,
                     onCustomAttachmentTap: viewModel.customAttachmentTapped(_:),
                     shouldScroll: viewModel.inputComposerShouldScroll,
                     removeAttachmentWithId: viewModel.removeAttachment(with:)
@@ -135,7 +141,7 @@ public struct MessageComposerView<Factory: ViewFactory>: View, KeyboardReadable
             }
         }
         .overlay(
-            viewModel.composerCommand != nil ?
+            viewModel.showCommandsOverlay ?
                 factory.makeCommandsContainerView(
                     suggestions: viewModel.suggestions,
                     handleCommand: { commandInfo in
@@ -174,6 +180,7 @@ public struct ComposerInputView<Factory: ViewFactory>: View {
     var addedFileURLs: [URL]
     var addedCustomAttachments: [CustomAttachment]
     var quotedMessage: Binding<ChatMessage?>
+    var maxMessageLength: Int?
     var onCustomAttachmentTap: (CustomAttachment) -> Void
     var removeAttachmentWithId: (String) -> Void
 
@@ -250,7 +257,8 @@ public struct ComposerInputView<Factory: ViewFactory>: View {
                     text: $text,
                     height: $textHeight,
                     selectedRangeLocation: $selectedRangeLocation,
-                    placeholder: L10n.Composer.Placeholder.message
+                    placeholder: L10n.Composer.Placeholder.message,
+                    maxMessageLength: maxMessageLength
                 )
                 .frame(height: textFieldHeight)
                 .overlay(

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerViewModel.swift

@@ -239,6 +239,12 @@ open class MessageComposerViewModel: ObservableObject {
         channelController.channel?.isDirectMessageChannel ?? false
     }
 
+    public var showCommandsOverlay: Bool {
+        let commandAvailable = composerCommand != nil
+        let configuredCommandsAvailable = channelController.channel?.config.commands.count ?? 0 > 0
+        return commandAvailable && configuredCommandsAvailable
+    }
+    
     public func change(pickerState: AttachmentPickerState) {
         if pickerState != self.pickerState {
             self.pickerState = pickerState

Sources/StreamChatSwiftUI/ChatChannel/Composer/Suggestions/CommandsConfig.swift

@@ -33,23 +33,41 @@ public class DefaultCommandsConfig: CommandsConfig {
     public func makeCommandsHandler(
         with channelController: ChatChannelController
     ) -> CommandsHandler {
-        let mentionsCommand = MentionsCommandHandler(
+        let mentionsCommandHandler = MentionsCommandHandler(
             channelController: channelController,
             commandSymbol: mentionsSymbol,
             mentionAllAppUsers: false
         )
-        let giphyCommand = GiphyCommandHandler(commandSymbol: "/giphy")
-        let muteCommand = MuteCommandHandler(
-            channelController: channelController,
-            commandSymbol: "/mute"
-        )
-        let unmuteCommand = UnmuteCommandHandler(
-            channelController: channelController,
-            commandSymbol: "/unmute"
-        )
-        let instantCommands = InstantCommandsHandler(
-            commands: [giphyCommand, muteCommand, unmuteCommand]
+        
+        var instantCommands = [CommandHandler]()
+        
+        let channelConfig = channelController.channel?.config
+        
+        let giphyEnabled = channelConfig?.commands.first(where: { command in
+            command.name == "giphy"
+        }) != nil
+        
+        if giphyEnabled {
+            let giphyCommand = GiphyCommandHandler(commandSymbol: "/giphy")
+            instantCommands.append(giphyCommand)
+        }
+        
+        if channelConfig?.mutesEnabled == true {
+            let muteCommand = MuteCommandHandler(
+                channelController: channelController,
+                commandSymbol: "/mute"
+            )
+            let unmuteCommand = UnmuteCommandHandler(
+                channelController: channelController,
+                commandSymbol: "/unmute"
+            )
+            instantCommands.append(muteCommand)
+            instantCommands.append(unmuteCommand)
+        }
+
+        let instantCommandsHandler = InstantCommandsHandler(
+            commands: instantCommands
         )
-        return CommandsHandler(commands: [mentionsCommand, instantCommands])
+        return CommandsHandler(commands: [mentionsCommandHandler, instantCommandsHandler])
     }
 }

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageContainerView.swift

@@ -103,7 +103,7 @@ struct MessageContainerView<Factory: ViewFactory>: View {
                             coordinateSpace: .local
                         )
                         .updating($offset) { (value, gestureState, _) in
-                            if message.isDeleted {
+                            if message.isDeleted || !channel.config.repliesEnabled {
                                 return
                             }
                             // Using updating since onEnded is not called if the gesture is canceled.
@@ -138,15 +138,15 @@ struct MessageContainerView<Factory: ViewFactory>: View {
                     }
 
                     if showsAllInfo && !message.isDeleted {
-                        if message.isSentByCurrentUser {
+                        if message.isSentByCurrentUser && channel.config.readEventsEnabled {
                             HStack(spacing: 4) {
                                 factory.makeMessageReadIndicatorView(
                                     channel: channel,
                                     message: message
                                 )
                                 MessageDateView(message: message)
                             }
-                        } else if isInGroup {
+                        } else if !message.isSentByCurrentUser && isInGroup {
                             MessageAuthorAndDateView(message: message)
                         } else {
                             MessageDateView(message: message)
@@ -176,7 +176,9 @@ struct MessageContainerView<Factory: ViewFactory>: View {
     }
 
     private var reactionsShown: Bool {
-        !message.reactionScores.isEmpty && !message.isDeleted
+        !message.reactionScores.isEmpty
+            && !message.isDeleted
+            && channel.config.reactionsEnabled
     }
 
     private func dragChanged(to value: CGFloat) {

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageListView.swift

@@ -35,6 +35,12 @@ struct MessageListView<Factory: ViewFactory>: View, KeyboardReadable {
         utils.dateFormatter
     }
 
+    private var shouldShowTypingIndicator: Bool {
+        !channel.currentlyTypingUsersFiltered(currentUserId: chatClient.currentUserId).isEmpty
+            && utils.typingIndicatorPlacement == .bottomOverlay
+            && channel.config.typingEventsEnabled
+    }
+    
     private let scrollAreaId = "scrollArea"
 
     var body: some View {
@@ -146,8 +152,7 @@ struct MessageListView<Factory: ViewFactory>: View, KeyboardReadable {
                 DateIndicatorView(date: date)
             }
 
-            if !channel.currentlyTypingUsersFiltered(currentUserId: chatClient.currentUserId).isEmpty
-                && utils.typingIndicatorPlacement == .bottomOverlay {
+            if shouldShowTypingIndicator {
                 TypingIndicatorBottomView(
                     typingIndicatorString: channel.typingIndicatorString(currentUserId: chatClient.currentUserId)
                 )