Quoted message preview did not update when the quoted message was deleted

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Add `ImageAttachmentPayload.file` for setting `file_size` and `mime_type` for image attachments [#3548](https://github.com/GetStream/stream-chat-swift/pull/3548)
 ### 🐞 Fixed
 - Remove the main thread requirement from the `DataStore` [#3541](https://github.com/GetStream/stream-chat-swift/pull/3541)
+- Quoted message preview did not update when the quoted message was deleted [#3553](https://github.com/GetStream/stream-chat-swift/pull/3553)
 ### ⚡ Performance
 - Improve performance of accessing database model properties [#3534](https://github.com/GetStream/stream-chat-swift/pull/3534)
 - Improve performance of model conversions with large extra data [#3534](https://github.com/GetStream/stream-chat-swift/pull/3534)

Sources/StreamChat/Database/DTOs/MessageDTO.swift

@@ -123,6 +123,14 @@ class MessageDTO: NSManagedObject {
             channel.cid = cid
         }
 
+        // Refresh messages referencing the current message
+        if !quotedBy.isEmpty {
+            for message in quotedBy where !message.hasChanges && !message.isDeleted {
+                let messageId = message.id
+                message.id = messageId
+            }
+        }
+
         prepareDefaultSortKeyIfNeeded()
     }
 

Sources/StreamChatUI/CommonViews/QuotedChatMessageView/QuotedChatMessageView.swift

@@ -170,7 +170,7 @@ open class QuotedChatMessageView: _View, ThemeProvider, SwiftUIRepresentable {
             ? appearance.colorPalette.popoverBackground
             : appearance.colorPalette.highlightedAccentBackground1
 
-        setText(message.text)
+        setText(message.textContent ?? "")
         setAvatar(imageUrl: message.author.imageURL)
         setAvatarAlignment(avatarAlignment)
 
@@ -196,10 +196,11 @@ open class QuotedChatMessageView: _View, ThemeProvider, SwiftUIRepresentable {
     open func setText(_ text: String) {
         guard text != textView.text else { return }
 
+        let color = content?.message.isDeleted == true ? appearance.colorPalette.textLowEmphasis : appearance.colorPalette.text
         let attributedText = NSMutableAttributedString(
             string: text,
             attributes: [
-                .foregroundColor: appearance.colorPalette.text,
+                .foregroundColor: color,
                 .font: appearance.fonts.subheadline
             ]
         )

Tests/StreamChatUITests/SnapshotTests/CommonViews/QuotedChatMessageView/QuotedChatMessageView_Tests.swift

@@ -40,6 +40,19 @@ final class QuotedChatMessageView_Tests: XCTestCase {
 
         AssertSnapshot(view)
     }
+
+    func test_withDeletedMessage() {
+        let message = ChatMessage.mock(
+            id: .unique,
+            cid: .unique,
+            text: "Hello Vader!",
+            author: .mock(id: .unique),
+            deletedAt: .unique,
+            isSentByCurrentUser: true
+        )
+        view.content = QuotedChatMessageView.Content(message: message, avatarAlignment: .leading)
+        AssertSnapshot(view)
+    }
 
     func test_withImageAttachmentAppearance() {
         let attachment = ChatMessageImageAttachment.mock(