Exposed a way to customise text message before sending and reading

Author: martinmitrevski

CHANGELOG.md

@@ -3,6 +3,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 # Upcoming
 
+### ✅ Added
+- Exposed a way to customise text message before sending and reading
+
 ### 🐞 Fixed
 - Fixed a bug with channel list refreshing after deeplinking
 

Sources/StreamChatSwiftUI/ChatChannel/ChannelInfo/PinnedMessagesView.swift

@@ -63,7 +63,7 @@ struct PinnedMessageView: View {
                     .foregroundColor(Color(colors.text))
 
                 HStack {
-                    Text(message.text)
+                    Text(message.adjustedText)
                         .font(fonts.footnote)
                         .foregroundColor(Color(colors.textLowEmphasis))
 

Sources/StreamChatSwiftUI/ChatChannel/Composer/ComposerConfig.swift

@@ -9,12 +9,18 @@ public struct ComposerConfig {
 
     public var inputViewMinHeight: CGFloat
     public var inputFont: UIFont
+    public var adjustMessageOnSend: (String) -> (String)
+    public var adjustMessageOnRead: (String) -> (String)
 
     public init(
         inputViewMinHeight: CGFloat = 38,
-        inputFont: UIFont = UIFont.preferredFont(forTextStyle: .body)
+        inputFont: UIFont = UIFont.preferredFont(forTextStyle: .body),
+        adjustMessageOnSend: @escaping (String) -> (String) = { $0 },
+        adjustMessageOnRead: @escaping (String) -> (String) = { $0 }
     ) {
         self.inputViewMinHeight = inputViewMinHeight
         self.inputFont = inputFont
+        self.adjustMessageOnSend = adjustMessageOnSend
+        self.adjustMessageOnRead = adjustMessageOnRead
     }
 }

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerViewModel.swift

@@ -146,10 +146,14 @@ open class MessageComposerViewModel: ObservableObject {
            displayInfo.isInstant == true {
             return "\(composerCommand.id) \(text)"
         } else {
-            return text
+            return adjustedText
         }
     }
 
+    var adjustedText: String {
+        utils.composerConfig.adjustMessageOnSend(text)
+    }
+    
     private var totalAttachmentsCount: Int {
         addedAssets.count +
             addedCustomAttachments.count +
@@ -459,7 +463,7 @@ open class MessageComposerViewModel: ObservableObject {
             messageId: message.id
         )
 
-        messageController.editMessage(text: text) { [weak self] error in
+        messageController.editMessage(text: adjustedText) { [weak self] error in
             if error != nil {
                 self?.errorShown = true
             } else {

Sources/StreamChatSwiftUI/ChatChannel/MessageList/FileAttachmentView.swift

@@ -57,7 +57,7 @@ public struct FileAttachmentsContainer<Factory: ViewFactory>: View {
                             )
 
                             HStack {
-                                Text(message.text)
+                                Text(message.adjustedText)
                                     .foregroundColor(textColor(for: message))
                                     .standardPadding()
                                 Spacer()

Sources/StreamChatSwiftUI/ChatChannel/MessageList/ImageAttachmentView.swift

@@ -83,7 +83,7 @@ struct AttachmentTextView: View {
 
     var body: some View {
         HStack {
-            Text(message.text)
+            Text(message.adjustedText)
                 .standardPadding()
                 .foregroundColor(textColor(for: message))
                 .fixedSize(horizontal: false, vertical: true)

Sources/StreamChatSwiftUI/ChatChannel/MessageList/LinkAttachmentView.swift

@@ -36,7 +36,7 @@ public struct LinkAttachmentContainer<Factory: ViewFactory>: View {
             }
 
             let availableWidth = width - 4 * padding
-            let size = message.text.frameSize(maxWidth: availableWidth)
+            let size = message.adjustedText.frameSize(maxWidth: availableWidth)
             LinkTextView(
                 message: message,
                 width: availableWidth,

Sources/StreamChatSwiftUI/ChatChannel/MessageList/LinkTextView.swift

@@ -44,7 +44,7 @@ struct LinkTextView: UIViewRepresentable {
     }
 
     private var text: String {
-        message.text
+        message.adjustedText
     }
 }
 

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageView.swift

@@ -154,7 +154,7 @@ public struct MessageTextView<Factory: ViewFactory>: View {
                 )
             }
 
-            Text(message.text)
+            Text(message.adjustedText)
                 .padding(.leading, leadingPadding)
                 .padding(.trailing, trailingPadding)
                 .padding(.top, topPadding)
@@ -195,7 +195,7 @@ public struct EmojiTextView<Factory: ViewFactory>: View {
                         scrolledId: $scrolledId
                     )
 
-                    Text(message.text)
+                    Text(message.adjustedText)
                         .font(fonts.emoji)
                 }
                 .modifier(
@@ -207,7 +207,7 @@ public struct EmojiTextView<Factory: ViewFactory>: View {
                     )
                 )
             } else {
-                Text(message.text)
+                Text(message.adjustedText)
                     .font(fonts.emoji)
             }
         }

Sources/StreamChatSwiftUI/ChatChannel/MessageList/QuotedMessageView.swift

@@ -168,7 +168,7 @@ public struct QuotedMessageView<Factory: ViewFactory>: View {
 
     private var textForMessage: String {
         if !quotedMessage.text.isEmpty {
-            return quotedMessage.text
+            return quotedMessage.adjustedText
         }
 
         if !quotedMessage.imageAttachments.isEmpty {