Add backup support for direct story reply revisions.

app/src/androidTest/java/org/thoughtcrime/securesms/backup/v2/ArchiveImportExportTests.kt

@@ -81,6 +81,11 @@ class ArchiveImportExportTests {
     runTests { it.startsWith("chat_item_direct_story_reply_") }
   }
 
+//  @Test
+  fun chatItemDirectStoryReplyMessageWithEdits() {
+    runTests { it.startsWith("chat_item_direct_story_reply_with_edits_") }
+  }
+
 //  @Test
   fun chatItemExpirationTimerUpdate() {
     runTests { it.startsWith("chat_item_expiration_timer_update_") }

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ArchiveErrorCases.kt

@@ -58,8 +58,12 @@ object ExportSkips {
  */
 object ExportOddities {
 
-  fun revisionsOnNonStandardMessage(sentTimestamp: Long): String {
-    return log(sentTimestamp, "Attempted to set revisions on a non-standard message. Ignoring revisions.")
+  fun revisionsOnUnexpectedMessageType(sentTimestamp: Long): String {
+    return log(sentTimestamp, "Attempted to set revisions on message that doesn't support it. Ignoring revisions.")
+  }
+
+  fun mismatchedRevisionHistory(sentTimestamp: Long): String {
+    return log(sentTimestamp, "Revisions for this message contained items of a different type than the parent item. Ignoring mismatched revisions.")
   }
 
   fun outgoingMessageWasSentButTimerNotStarted(sentTimestamp: Long): String {

app/src/main/java/org/thoughtcrime/securesms/backup/v2/exporters/ChatItemArchiveExporter.kt

@@ -325,14 +325,7 @@ class ChatItemArchiveExporter(
       }
 
       if (record.latestRevisionId == null) {
-        val previousEdits = revisionMap.remove(record.id)
-        if (previousEdits != null) {
-          if (builder.standardMessage != null) {
-            builder.revisions = previousEdits
-          } else {
-            Log.w(TAG, ExportOddities.revisionsOnNonStandardMessage(record.dateSent))
-          }
-        }
+        builder.revisions = revisionMap.remove(record.id)?.repairRevisions(builder) ?: emptyList()
         buffer += builder.build()
       } else {
         var previousEdits = revisionMap[record.latestRevisionId]
@@ -1331,6 +1324,25 @@ private fun <T> ExecutorService.submitTyped(callable: Callable<T>): Future<T> {
   return this.submit(callable)
 }
 
+fun List<ChatItem>.repairRevisions(current: ChatItem.Builder): List<ChatItem> {
+  return if (current.standardMessage != null) {
+    val filtered = this.filter { it.standardMessage != null }
+    if (this.size != filtered.size) {
+      Log.w(TAG, ExportOddities.mismatchedRevisionHistory(current.dateSent))
+    }
+    filtered
+  } else if (current.directStoryReplyMessage != null) {
+    val filtered = this.filter { it.directStoryReplyMessage != null }
+    if (this.size != filtered.size) {
+      Log.w(TAG, ExportOddities.mismatchedRevisionHistory(current.dateSent))
+    }
+    filtered
+  } else {
+    Log.w(TAG, ExportOddities.revisionsOnUnexpectedMessageType(current.dateSent))
+    emptyList()
+  }
+}
+
 private fun Cursor.toBackupMessageRecord(pastIds: Set<Long>, backupStartTime: Long): BackupMessageRecord? {
   val id = this.requireLong(MessageTable.ID)
   if (pastIds.contains(id)) {