feat: add capability check for open group emoji reacts

Session/Conversations/Context Menu/ContextMenuVC+Action.swift

@@ -105,6 +105,7 @@ extension ContextMenuVC {
         for cellViewModel: MessageViewModel,
         recentEmojis: [EmojiWithSkinTones],
         currentUserIsOpenGroupModerator: Bool,
+        currentThreadIsMessageRequest: Bool,
         delegate: ContextMenuActionDelegate?
     ) -> [Action]? {
         // No context items for info messages
@@ -156,6 +157,13 @@ extension ContextMenuVC {
             currentUserIsOpenGroupModerator
         )
         
+        let shouldShowEmojiActions: Bool = {
+            if cellViewModel.threadVariant == .openGroup {
+                return OpenGroupManager.isOpenGroupSupport(.reactions, on: cellViewModel.threadOpenGroupServer)
+            }
+            return currentThreadIsMessageRequest
+        }()
+        
         let generatedActions: [Action] = [
             (canReply ? Action.reply(cellViewModel, delegate) : nil),
             (canCopy ? Action.copy(cellViewModel, delegate) : nil),
@@ -165,7 +173,7 @@ extension ContextMenuVC {
             (canBan ? Action.ban(cellViewModel, delegate) : nil),
             (canBan ? Action.banAndDeleteAllMessages(cellViewModel, delegate) : nil),
         ]
-        .appending(contentsOf: recentEmojis.map { Action.react(cellViewModel, $0, delegate) })
+        .appending(contentsOf: (shouldShowEmojiActions ? recentEmojis : []).map { Action.react(cellViewModel, $0, delegate) })
         .appending(Action.emojiPlusButton(cellViewModel, delegate))
         .compactMap { $0 }
         

Session/Conversations/ConversationVC+Interaction.swift

@@ -671,14 +671,13 @@ extension ConversationVC:
             contextMenuWindow == nil,
             let actions: [ContextMenuVC.Action] = ContextMenuVC.actions(
                 for: cellViewModel,
-                recentEmojis: ((self.viewModel.threadData.threadIsMessageRequest == true) ? [] :
+                recentEmojis: (self.viewModel.threadData.recentReactionEmoji ?? []).compactMap { EmojiWithSkinTones(rawValue: $0) },
-                                (self.viewModel.threadData.recentReactionEmoji ?? [])
-                              ).compactMap { EmojiWithSkinTones(rawValue: $0) },
                 currentUserIsOpenGroupModerator: OpenGroupManager.isUserModeratorOrAdmin(
                     self.viewModel.threadData.currentUserPublicKey,
                     for: self.viewModel.threadData.openGroupRoomToken,
                     on: self.viewModel.threadData.openGroupServer
                 ),
+                currentThreadIsMessageRequest: (self.viewModel.threadData.threadIsMessageRequest == true),
                 delegate: self
             )
         else { return }
@@ -1125,7 +1124,9 @@ extension ConversationVC:
                     Emoji.addRecent(db, emoji: emoji)
                 }
                 
-                if let openGroup: OpenGroup = try? OpenGroup.fetchOne(db, id: cellViewModel.threadId) {
+                if let openGroup: OpenGroup = try? OpenGroup.fetchOne(db, id: cellViewModel.threadId),
+                   OpenGroupManager.isOpenGroupSupport(.reactions, on: openGroup.server)
+                {
                     // Send reaction to open groups
                     guard
                         let openGroupServerMessageId: Int64 = try? Interaction

SessionMessagingKit/Database/Models/Capability.swift

@@ -16,11 +16,12 @@ public struct Capability: Codable, FetchableRecord, PersistableRecord, TableReco
     
     public enum Variant: Equatable, Hashable, CaseIterable, Codable, DatabaseValueConvertible {
         public static var allCases: [Variant] {
-            [.sogs, .blind]
+            [.sogs, .blind, .reactions]
         }
         
         case sogs
         case blind
+        case reactions
         
         /// Fallback case if the capability isn't supported by this version of the app
         case unsupported(String)

SessionMessagingKit/Open Groups/OpenGroupManager.swift

@@ -740,6 +740,29 @@ public final class OpenGroupManager: NSObject {
     
     // MARK: - Convenience
     
+    /// This method specifies if the given capability is supported on a specified Open Group
+    public static func isOpenGroupSupport(
+        _ capability: Capability.Variant,
+        on server: String?,
+        using dependencies: OGMDependencies = OGMDependencies()
+    ) -> Bool {
+        guard let server: String = server else { return false }
+        
+        return dependencies.storage
+            .read { db in
+                let capabilities: [Capability.Variant] = (try? Capability
+                    .select(.variant)
+                    .filter(Capability.Columns.openGroupServer == server)
+                    .filter(Capability.Columns.isMissing == false)
+                    .asRequest(of: Capability.Variant.self)
+                    .fetchAll(db))
+                    .defaulting(to: [])
+
+                return capabilities.contains(capability)
+            }
+            .defaulting(to: false)
+    }
+    
     /// This method specifies if the given publicKey is a moderator or an admin within a specified Open Group
     public static func isUserModeratorOrAdmin(
         _ publicKey: String,