feat: add basic last sent legacy message DB migration and creation for banner

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt

@@ -698,7 +698,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
 
     private fun setUpOutdatedClientBanner() {
         val recipient = viewModel.recipient?.takeIf { !it.isLocalNumber } ?: return
-        if (ExpirationConfiguration.isNewConfigEnabled && recipient.isContactRecipient &&
+        if (ExpirationConfiguration.isNewConfigEnabled &&
             recipient.disappearingState == DisappearingState.LEGACY &&
             viewModel.expirationConfiguration?.isEnabled == true
         ) {

app/src/main/java/org/thoughtcrime/securesms/database/LokiAPIDatabase.kt

@@ -97,6 +97,16 @@ class LokiAPIDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(
         public val groupPublicKey = "group_public_key"
         @JvmStatic
         val createClosedGroupPublicKeysTable = "CREATE TABLE $closedGroupPublicKeysTable ($groupPublicKey STRING PRIMARY KEY)"
+
+        private const val LAST_LEGACY_MESSAGE_TABLE = "last_legacy_messages"
+        // The overall "thread recipient
+        private const val LAST_LEGACY_THREAD_RECIPIENT = "last_legacy_thread_recipient"
+        // The individual 'last' person who sent the message with legacy expiration attached
+        private const val LAST_LEGACY_SENDER_RECIPIENT = "last_legacy_sender_recipient"
+        private const val LEGACY_THREAD_RECIPIENT_QUERY = "$LAST_LEGACY_THREAD_RECIPIENT = ?"
+
+        const val CREATE_LAST_LEGACY_MESSAGE_TABLE = "CREATE TABLE $LAST_LEGACY_MESSAGE_TABLE ($LAST_LEGACY_THREAD_RECIPIENT STRING PRIMARY KEY, $LAST_LEGACY_SENDER_RECIPIENT STRING NOT NULL);"
+
         // Hard fork service node info
         const val FORK_INFO_TABLE = "fork_info"
         const val DUMMY_KEY = "dummy_key"
@@ -415,6 +425,33 @@ class LokiAPIDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(
         database.endTransaction()
     }
 
+    override fun getLastLegacySenderAddress(threadRecipientAddress: String): String? {
+        val database = databaseHelper.readableDatabase
+        return database.get(LAST_LEGACY_MESSAGE_TABLE, LEGACY_THREAD_RECIPIENT_QUERY, wrap(threadRecipientAddress)) { cursor ->
+            cursor.getString(LAST_LEGACY_SENDER_RECIPIENT)
+        }
+    }
+
+    override fun setLastLegacySenderAddress(
+        threadRecipientAddress: String,
+        senderRecipientAddress: String?
+    ) {
+        val database = databaseHelper.writableDatabase
+        if (senderRecipientAddress == null) {
+            // delete
+            database.delete(LAST_LEGACY_MESSAGE_TABLE, LEGACY_THREAD_RECIPIENT_QUERY, wrap(threadRecipientAddress))
+        } else {
+            // just update the value to a new one
+            val values = wrap(
+                mapOf(
+                    LAST_LEGACY_THREAD_RECIPIENT to threadRecipientAddress,
+                    LAST_LEGACY_SENDER_RECIPIENT to senderRecipientAddress
+                )
+            )
+            database.insertOrUpdate(LAST_LEGACY_MESSAGE_TABLE, values, LEGACY_THREAD_RECIPIENT_QUERY, wrap(threadRecipientAddress))
+        }
+    }
+
     fun getUserCount(room: String, server: String): Int? {
         val database = databaseHelper.readableDatabase
         val index = "$server.$room"

app/src/main/java/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java

@@ -366,6 +366,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
     executeStatements(db, ReactionDatabase.CREATE_REACTION_TRIGGERS);
     db.execSQL(RecipientDatabase.getAddWrapperHash());
     db.execSQL(RecipientDatabase.getAddBlocksCommunityMessageRequests());
+    db.execSQL(LokiAPIDatabase.CREATE_LAST_LEGACY_MESSAGE_TABLE);
   }
 
   @Override
@@ -629,6 +630,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
       if (oldVersion < lokiV46) {
         executeStatements(db, SmsDatabase.ADD_AUTOINCREMENT);
         executeStatements(db, MmsDatabase.ADD_AUTOINCREMENT);
+        db.execSQL(LokiAPIDatabase.CREATE_LAST_LEGACY_MESSAGE_TABLE);
       }
 
       db.setTransactionSuccessful();

libsignal/src/main/java/org/session/libsignal/database/LokiAPIDatabaseProtocol.kt

@@ -38,4 +38,7 @@ interface LokiAPIDatabaseProtocol {
     fun getForkInfo(): ForkInfo
     fun setForkInfo(forkInfo: ForkInfo)
     fun migrateLegacyOpenGroup(legacyServerId: String, newServerId: String)
+    fun getLastLegacySenderAddress(threadRecipientAddress: String): String?
+    fun setLastLegacySenderAddress(threadRecipientAddress: String, senderRecipientAddress: String?)
+
 }