minor refactor

SessionMessagingKit/Database/Models/DisappearingMessageConfiguration.swift

@@ -243,6 +243,14 @@ public extension DisappearingMessagesConfiguration {
         
         return String(data: messageInfoData, encoding: .utf8)
     }
+    
+    func isValidV2Config() -> Bool {
+        if let type = self.type {
+            return !(self.durationSeconds > 0 && self.type == .unknown)
+        } else {
+            return self.durationSeconds == 0
+        }
+    }
 }
 
 // MARK: - Control Message

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

@@ -48,7 +48,7 @@ extension MessageReceiver {
             .fetchOne(db)
             .defaulting(to: DisappearingMessagesConfiguration.defaultWith(threadId))
         
-        let remoteConfig: DisappearingMessagesConfiguration = localConfig.with(
+        let updatedConfig: DisappearingMessagesConfiguration = localConfig.with(
             // If there is no duration then we should disable the expiration timer
             isEnabled: ((message.duration ?? 0) > 0),
             durationSeconds: (
@@ -87,7 +87,7 @@ extension MessageReceiver {
                         .update(
                             db,
                             sessionId: threadId,
-                            disappearingMessagesConfig: remoteConfig
+                            disappearingMessagesConfig: updatedConfig
                         )
                 
                 case .legacyGroup:
@@ -95,7 +95,7 @@ extension MessageReceiver {
                         .update(
                             db,
                             groupPublicKey: threadId,
-                            disappearingConfig: remoteConfig
+                            disappearingConfig: updatedConfig
                         )
                     
                 default: break
@@ -106,7 +106,7 @@ extension MessageReceiver {
         if canPerformChange {
             // Finally save the changes to the DisappearingMessagesConfiguration (If it's a duplicate
             // then the interaction unique constraint will prevent the code from getting here)
-            try remoteConfig.save(db)
+            try updatedConfig.save(db)
         }
         
         // Add an info message for the user
@@ -116,7 +116,7 @@ extension MessageReceiver {
             threadId: threadId,
             authorId: sender,
             variant: .infoDisappearingMessagesUpdate,
-            body: remoteConfig.messageInfoString(
+            body: updatedConfig.messageInfoString(
                 threadVariant: threadVariant,
                 senderName: (sender != currentUserPublicKey ? Profile.displayName(db, id: sender) : nil),
                 isPreviousOff: false

SessionMessagingKit/SessionUtil/Config Handling/SessionUtil+Contacts.swift

@@ -179,7 +179,9 @@ internal extension SessionUtil {
                     .fetchOne(db, id: sessionId)
                     .defaulting(to: DisappearingMessagesConfiguration.defaultWith(sessionId))
                 
-                if data.config != localConfig {
+                let isValid: Bool = Features.useNewDisappearingMessagesConfig ? data.config.isValidV2Config() : true
+                
+                if isValid && data.config != localConfig {
                     _ = try data.config.save(db)
                     _ = try Interaction
                         .filter(Interaction.Columns.threadId == sessionId)

SessionMessagingKit/SessionUtil/Config Handling/SessionUtil+UserGroups.swift

@@ -277,8 +277,8 @@ internal extension SessionUtil {
                     .fetchOne(db, id: group.id)
                     .defaulting(to: DisappearingMessagesConfiguration.defaultWith(group.id))
                 
-                if let remoteConfig = group.disappearingConfig, localConfig != remoteConfig {
-                    _ = try remoteConfig.save(db)
+                if let updatedConfig = group.disappearingConfig, localConfig != updatedConfig {
+                    _ = try updatedConfig.save(db)
                     
                     _ = try Interaction
                         .filter(Interaction.Columns.threadId == group.id)