Implemented channel config for message length

Author: martinmitrevski

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 +62,8 @@ struct ComposerTextInputView: UIViewRepresentable {
             shouldChangeTextIn range: NSRange,
             replacementText text: String
         ) -> Bool {
-            true
+            guard let maxMessageLength = maxMessageLength else { return true }
+            return textView.text.count + (text.count - range.length) <= maxMessageLength
         }
 
         func layoutManager(

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerView.swift

@@ -70,6 +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:)
@@ -179,6 +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
 
@@ -255,7 +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/MessageList/MessageContainerView.swift

@@ -146,7 +146,7 @@ struct MessageContainerView<Factory: ViewFactory>: View {
                                 )
                                 MessageDateView(message: message)
                             }
-                        } else if isInGroup {
+                        } else if !message.isSentByCurrentUser && isInGroup {
                             MessageAuthorAndDateView(message: message)
                         } else {
                             MessageDateView(message: message)

Sources/StreamChatSwiftUI/DefaultViewFactory.swift

@@ -311,6 +311,7 @@ extension ViewFactory {
         addedFileURLs: [URL],
         addedCustomAttachments: [CustomAttachment],
         quotedMessage: Binding<ChatMessage?>,
+        maxMessageLength: Int?,
         onCustomAttachmentTap: @escaping (CustomAttachment) -> Void,
         shouldScroll: Bool,
         removeAttachmentWithId: @escaping (String) -> Void
@@ -326,6 +327,7 @@ extension ViewFactory {
                     addedFileURLs: addedFileURLs,
                     addedCustomAttachments: addedCustomAttachments,
                     quotedMessage: quotedMessage,
+                    maxMessageLength: maxMessageLength,
                     onCustomAttachmentTap: onCustomAttachmentTap,
                     removeAttachmentWithId: removeAttachmentWithId
                 )
@@ -341,6 +343,7 @@ extension ViewFactory {
                 addedFileURLs: addedFileURLs,
                 addedCustomAttachments: addedCustomAttachments,
                 quotedMessage: quotedMessage,
+                maxMessageLength: maxMessageLength,
                 onCustomAttachmentTap: onCustomAttachmentTap,
                 removeAttachmentWithId: removeAttachmentWithId
             )

Sources/StreamChatSwiftUI/ViewFactory.swift

@@ -305,6 +305,7 @@ public protocol ViewFactory: AnyObject {
     ///  - addedFileURLs: list of the added file URLs (in case they need to be displayed in the input view).
     ///  - addedCustomAttachments: list of added custom attachments.
     ///  - quotedMessage: Optional quoted message, shown in the composer input.
+    ///  - maxMessageLength: the maximum allowed message length.
     ///  - onCustomAttachmentTap: called when a custom attachment is tapped.
     ///  - shouldScroll: whether the input field is scrollable.
     ///  - removeAttachmentWithId: called when the attachment is removed from the input view.
@@ -318,6 +319,7 @@ public protocol ViewFactory: AnyObject {
         addedFileURLs: [URL],
         addedCustomAttachments: [CustomAttachment],
         quotedMessage: Binding<ChatMessage?>,
+        maxMessageLength: Int?,
         onCustomAttachmentTap: @escaping (CustomAttachment) -> Void,
         shouldScroll: Bool,
         removeAttachmentWithId: @escaping (String) -> Void