minor refactor

Session/Conversations/ConversationVC+Interaction.swift

@@ -436,10 +436,17 @@ extension ConversationVC:
                     .filter(id: threadId)
                     .updateAll(db, SessionThread.Columns.shouldBeVisible.set(to: true))
                 
+                let authorId: String = {
+                    if let blindedId = self?.viewModel.threadData.currentUserBlindedPublicKey {
+                        return blindedId
+                    }
+                    return self?.viewModel.threadData.currentUserPublicKey ?? getUserHexEncodedPublicKey(db)
+                }()
+                
                 // Create the interaction
                 let interaction: Interaction = try Interaction(
                     threadId: threadId,
-                    authorId: getUserHexEncodedPublicKey(db),
+                    authorId: authorId,
                     variant: .standardOutgoing,
                     body: text,
                     timestampMs: sentTimestampMs,

SessionMessagingKit/Database/Models/SessionThread.swift

@@ -322,18 +322,31 @@ public extension SessionThread {
     ) -> String? {
         guard
             threadVariant == .openGroup,
-            let blindingInfo: (edkeyPair: Box.KeyPair?, publicKey: String?) = Storage.shared.read({ db in
+            let blindingInfo: (edkeyPair: Box.KeyPair?, publicKey: String?, capabilities: Set<Capability.Variant>) = Storage.shared.read({ db in
+                struct OpenGroupInfo: Decodable, FetchableRecord {
+                    let publicKey: String?
+                    let server: String?
+                }
+                let openGroupInfo: OpenGroupInfo? = try OpenGroup
+                    .filter(id: threadId)
+                    .select(.publicKey, .server)
+                    .asRequest(of: OpenGroupInfo.self)
+                    .fetchOne(db)
+                
                 return (
                     Identity.fetchUserEd25519KeyPair(db),
-                    try OpenGroup
-                        .filter(id: threadId)
-                        .select(.publicKey)
-                        .asRequest(of: String.self)
-                        .fetchOne(db)
+                    openGroupInfo?.publicKey,
+                    (try? Capability
+                        .select(.variant)
+                        .filter(Capability.Columns.openGroupServer == openGroupInfo?.server?.lowercased())
+                        .asRequest(of: Capability.Variant.self)
+                        .fetchSet(db))
+                    .defaulting(to: [])
                 )
             }),
             let userEdKeyPair: Box.KeyPair = blindingInfo.edkeyPair,
-            let publicKey: String = blindingInfo.publicKey
+            let publicKey: String = blindingInfo.publicKey,
+            blindingInfo.capabilities.isEmpty || blindingInfo.capabilities.contains(.blind)
         else { return nil }
         
         let sodium: Sodium = Sodium()

SessionMessagingKit/Sending & Receiving/MessageSender.swift

@@ -597,8 +597,6 @@ public final class MessageSender {
                 // real message has no use when we delete a message. It is OK to let it be.
                 try interaction.with(
                     serverHash: message.serverHash,
-                    // Update the authorId if blinded id is enabled, otherwise it will remain the same
-                    authorId: message.sender,
                     // Track the open group server message ID and update server timestamp (use server
                     // timestamp for open group messages otherwise the quote messages may not be able
                     // to be found by the timestamp on other devices

SessionMessagingKit/Shared Models/MessageViewModel.swift

@@ -718,8 +718,12 @@ public extension MessageViewModel {
                            \(interactionAttachment[.attachmentId]) AS \(Quote.Columns.attachmentId)
                     FROM \(Quote.self)
                     LEFT JOIN \(Interaction.self) ON (
-                        (\(quote[.authorId]) = \(interaction[.authorId]) OR
-                        \(quote[.authorId]) = \(blindedPublicKey ?? "") AND \(userPublicKey) = \(interaction[.authorId]) ) AND
+                        (
+                            \(quote[.authorId]) = \(interaction[.authorId]) OR (
+                                \(quote[.authorId]) = \(blindedPublicKey ?? "") AND
+                                \(userPublicKey) = \(interaction[.authorId])
+                            )
+                        ) AND
                         \(quote[.timestampMs]) = \(interaction[.timestampMs])
                     )
                     LEFT JOIN \(InteractionAttachment.self) ON \(interaction[.id]) = \(interactionAttachment[.interactionId])