update sortId logic after open group reaction index

Session/Conversations/ConversationVC+Interaction.swift

@@ -1088,8 +1088,7 @@ extension ConversationVC:
                     let sortId = Reaction.getSortId(
                         db,
                         interactionId: cellViewModel.id,
-                        emoji: emoji,
-                        timestamp: sentTimestamp
+                        emoji: emoji
                     )
                     try Reaction(
                         interactionId: cellViewModel.id,

SessionMessagingKit/Database/Models/Reaction.swift

@@ -108,8 +108,7 @@ public extension Reaction {
     static func getSortId(
         _ db: Database,
         interactionId: Int64,
-        emoji: String,
-        timestamp: Int64
+        emoji: String
     ) -> Int64 {
         if let existingSortId: Int64 = try? Reaction
             .select(Columns.sortId)
@@ -121,6 +120,15 @@ public extension Reaction {
             return existingSortId
         }
         
-        return timestamp
+        if let existingLargestSortId: Int64 = try? Reaction
+            .select(max(Columns.sortId))
+            .filter(Columns.interactionId == interactionId)
+            .asRequest(of: Int64.self)
+            .fetchOne(db)
+        {
+            return existingLargestSortId + 1
+        }
+        
+        return 0
     }
 }

SessionMessagingKit/Messages/Message.swift

@@ -356,20 +356,19 @@ public extension Message {
         dependencies: SMKDependencies = SMKDependencies()
     ) -> [Reaction] {
         var results: [Reaction] = []
-        guard let reactions = message.reactions else { return results }
         let userPublicKey: String = getUserHexEncodedPublicKey(db)
         let blindedUserPublicKey: String? = SessionThread
             .getUserHexEncodedBlindedKey(
                 threadId: openGroupId,
                 threadVariant: .openGroup
             )
-        for (encodedEmoji, rawReaction) in reactions {
+        for (encodedEmoji, rawReaction) in message.reactions {
             if let emoji = encodedEmoji.removingPercentEncoding,
                rawReaction.count > 0,
                let reactors = rawReaction.reactors
             {
                 var count = rawReaction.count
-                let sortId: Int64 = Int64(floor((rawReaction.first * 1000)))
+                let sortId: Int64 = rawReaction.index
                 for reactor in reactors {
                     if reactor == blindedUserPublicKey { continue } // Will add a reaction for this case outside of the loop
                     let reaction = Reaction(

SessionMessagingKit/Open Groups/Models/SOGSMessage.swift

@@ -40,16 +40,16 @@ extension OpenGroupAPI {
                 case count
                 case reactors
                 case you
-                case first
+                case index
             }
             
             public let count: Int64
             public let reactors: [String]?
             public let you: Bool
-            public let first: TimeInterval
+            public let index: Int64
         }
         
-        public let reactions: [String:Reaction]?
+        public let reactions: [String:Reaction]
     }
 }
 
@@ -107,7 +107,7 @@ extension OpenGroupAPI.Message {
             whisperTo: try? container.decode(String.self, forKey: .whisperTo),
             base64EncodedData: maybeBase64EncodedData,
             base64EncodedSignature: maybeBase64EncodedSignature,
-            reactions: maybeReactions
+            reactions: maybeReactions ?? [:]
         )
     }
 }
@@ -120,7 +120,7 @@ extension OpenGroupAPI.Message.Reaction {
             count: try container.decode(Int64.self, forKey: .count),
             reactors: try? container.decode([String].self, forKey: .reactors),
             you: (try? container.decode(Bool.self, forKey: .you)) ?? false,
-            first: ((try? container.decode(TimeInterval.self, forKey: .first)) ?? Date().timeIntervalSince1970)
+            index: (try container.decode(Int64.self, forKey: .index))
         )
     }
 }

SessionMessagingKit/Open Groups/OpenGroupManager.swift

@@ -515,10 +515,6 @@ public final class OpenGroupManager: NSObject {
         
         // Process the messages
         sortedMessages.forEach { message in
-            if message.base64EncodedData == nil && message.reactions == nil {
-                return
-            }
-            
             // Handle messages
             if let base64EncodedString: String = message.base64EncodedData,
                let data = Data(base64Encoded: base64EncodedString)
@@ -560,27 +556,25 @@ public final class OpenGroupManager: NSObject {
             }
             
             // Handle reactions
-            if message.reactions != nil {
-                do {
-                    let reactions: [Reaction] = Message.processRawReceivedReactions(
+            do {
+                let reactions: [Reaction] = Message.processRawReceivedReactions(
+                    db,
+                    openGroupId: openGroup.id,
+                    message: message,
+                    dependencies: dependencies
+                )
+                
+                if !reactions.isEmpty {
+                    try MessageReceiver.handleOpenGroupReactions(
                         db,
-                        openGroupId: openGroup.id,
-                        message: message,
-                        dependencies: dependencies
+                        openGroupMessageServerId: message.id,
+                        openGroupReactions: reactions
                     )
-                    
-                    if !reactions.isEmpty {
-                        try MessageReceiver.handleOpenGroupReactions(
-                            db,
-                            openGroupMessageServerId: message.id,
-                            openGroupReactions: reactions
-                        )
-                    }
-                }
-                catch {
-                    SNLog("Couldn't handle open group reactions due to error: \(error).")
                 }
             }
+            catch {
+                SNLog("Couldn't handle open group reactions due to error: \(error).")
+            }
         }
 
         // Handle any deletions that are needed

SessionMessagingKit/Sending & Receiving/Message Handling/MessageReceiver+VisibleMessages.swift

@@ -327,8 +327,7 @@ extension MessageReceiver {
         let sortId = Reaction.getSortId(
             db,
             interactionId: interactionId,
-            emoji: reaction.emoji,
-            timestamp: Int64(messageSentTimestamp * 1000)
+            emoji: reaction.emoji
         )
         
         switch reaction.kind {