Fix crash when scheduling a message in an empty thread.

app/src/main/java/org/thoughtcrime/securesms/conversationlist/ConversationListItem.java

@@ -493,7 +493,8 @@ public final class ConversationListItem extends ConstraintLayout implements Bind
     } else if (!thread.isOutgoing() ||
                thread.isOutgoingAudioCall() ||
                thread.isOutgoingVideoCall() ||
-               thread.isVerificationStatusChange())
+               thread.isVerificationStatusChange() ||
+               thread.isScheduledMessage())
     {
       deliveryStatusIndicator.setNone();
       alertView.setNone();
@@ -588,6 +589,8 @@ public final class ConversationListItem extends ConstraintLayout implements Bind
       return emphasisAdded(context, context.getString(R.string.ThreadRecord_secure_session_reset), defaultTint);
     } else if (MessageTypes.isLegacyType(thread.getType())) {
       return emphasisAdded(context, context.getString(R.string.MessageRecord_message_encrypted_with_a_legacy_protocol_version_that_is_no_longer_supported), defaultTint);
+    } else if (thread.isScheduledMessage()) {
+      return emphasisAdded(context, context.getString(R.string.ThreadRecord_scheduled_message), R.drawable.symbol_calendar_compact_light_16, defaultTint);
     } else if (MessageTypes.isDraftMessageType(thread.getType())) {
       String draftText = context.getString(R.string.ThreadRecord_draft);
       return emphasisAdded(context, draftText + " " + thread.getBody(), defaultTint);

app/src/main/java/org/thoughtcrime/securesms/database/MessageTable.java

@@ -1716,8 +1716,8 @@ public class MessageTable extends DatabaseTable implements MessageTypes, Recipie
   }
 
   private @NonNull SqlUtil.Query buildMeaningfulMessagesQuery(long threadId) {
-    String query = THREAD_ID + " = ? AND " + STORY_TYPE + " = ? AND " + PARENT_STORY_ID + " <= ? AND " + SCHEDULED_DATE + " = ? AND (NOT " + TYPE + " & ? AND " + TYPE + " != ? AND " + TYPE + " != ? AND " + TYPE + " != ? AND " + TYPE + " != ? AND " + TYPE + " & " + MessageTypes.GROUP_V2_LEAVE_BITS + " != " + MessageTypes.GROUP_V2_LEAVE_BITS + ")";
+    String query = THREAD_ID + " = ? AND " + STORY_TYPE + " = ? AND " + PARENT_STORY_ID + " <= ? AND " + "(NOT " + TYPE + " & ? AND " + TYPE + " != ? AND " + TYPE + " != ? AND " + TYPE + " != ? AND " + TYPE + " != ? AND " + TYPE + " & " + MessageTypes.GROUP_V2_LEAVE_BITS + " != " + MessageTypes.GROUP_V2_LEAVE_BITS + ")";
-    return SqlUtil.buildQuery(query, threadId, 0, 0, -1, MessageTypes.IGNORABLE_TYPESMASK_WHEN_COUNTING, MessageTypes.PROFILE_CHANGE_TYPE, MessageTypes.CHANGE_NUMBER_TYPE, MessageTypes.SMS_EXPORT_TYPE, MessageTypes.BOOST_REQUEST_TYPE);
+    return SqlUtil.buildQuery(query, threadId, 0, 0, MessageTypes.IGNORABLE_TYPESMASK_WHEN_COUNTING, MessageTypes.PROFILE_CHANGE_TYPE, MessageTypes.CHANGE_NUMBER_TYPE, MessageTypes.SMS_EXPORT_TYPE, MessageTypes.BOOST_REQUEST_TYPE);
   }
 
   public void addFailures(long messageId, List<NetworkFailure> failure) {

app/src/main/java/org/thoughtcrime/securesms/database/ThreadBodyUtil.java

@@ -62,6 +62,8 @@ public final class ThreadBodyUtil {
       return format(EmojiStrings.CARD, getPaymentActivatedSummary(context, record));
     } else if (record.isCallLog() && !record.isGroupCall()) {
       return new ThreadBody(getCallLogSummary(context, record));
+    } else if (MessageRecordUtil.isScheduled(record)) {
+      return new ThreadBody(context.getString(R.string.ThreadRecord_scheduled_message));
     }
 
     boolean hasImage = false;

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

@@ -58,6 +58,7 @@ import org.thoughtcrime.securesms.storage.StorageSyncHelper
 import org.thoughtcrime.securesms.util.ConversationUtil
 import org.thoughtcrime.securesms.util.JsonUtils
 import org.thoughtcrime.securesms.util.TextSecurePreferences
+import org.thoughtcrime.securesms.util.isScheduled
 import org.whispersystems.signalservice.api.push.ServiceId
 import org.whispersystems.signalservice.api.storage.SignalAccountRecord
 import org.whispersystems.signalservice.api.storage.SignalAccountRecord.PinnedConversation
@@ -1344,31 +1345,36 @@ class ThreadTable(context: Context, databaseHelper: SignalDatabase) : DatabaseTa
     val record: MessageRecord = try {
       messages.getConversationSnippet(threadId)
     } catch (e: NoSuchMessageException) {
-      Log.w(TAG, "Failed to get a conversation snippet for thread $threadId")
+      val scheduledMessage: MessageRecord? = messages.getScheduledMessagesInThread(threadId).lastOrNull()
 
-      if (shouldDelete) {
+      if (scheduledMessage == null) {
-        deleteConversation(threadId)
+        Log.w(TAG, "Failed to get a conversation snippet for thread $threadId")
+        if (shouldDelete) {
+          deleteConversation(threadId)
+        }
+
+        if (isPinned) {
+          updateThread(
+            threadId = threadId,
+            meaningfulMessages = meaningfulMessages,
+            body = null,
+            attachment = null,
+            contentType = null,
+            extra = null,
+            date = 0,
+            status = 0,
+            deliveryReceiptCount = 0,
+            type = 0,
+            unarchive = unarchive,
+            expiresIn = 0,
+            readReceiptCount = 0
+          )
+        }
+        return true
+      } else {
+        Log.i(TAG, "Using scheduled message for conversation snippet")
+        scheduledMessage
       }
-
-      if (isPinned) {
-        updateThread(
-          threadId = threadId,
-          meaningfulMessages = meaningfulMessages,
-          body = null,
-          attachment = null,
-          contentType = null,
-          extra = null,
-          date = 0,
-          status = 0,
-          deliveryReceiptCount = 0,
-          type = 0,
-          unarchive = unarchive,
-          expiresIn = 0,
-          readReceiptCount = 0
-        )
-      }
-
-      return true
     }
 
     val drafts: DraftTable.Drafts = SignalDatabase.drafts.getDrafts(threadId)
@@ -1575,7 +1581,9 @@ class ThreadTable(context: Context, databaseHelper: SignalDatabase) : DatabaseTa
       }
     }
 
-    val extras: Extra? = if (record.isRemoteDelete) {
+    val extras: Extra? = if (record.isScheduled()) {
+      Extra.forScheduledMessage(individualRecipientId)
+    } else if (record.isRemoteDelete) {
       Extra.forRemoteDelete(individualRecipientId)
     } else if (record.isViewOnce) {
       Extra.forViewOnce(individualRecipientId)
@@ -1778,7 +1786,8 @@ class ThreadTable(context: Context, databaseHelper: SignalDatabase) : DatabaseTa
     @field:JsonProperty @param:JsonProperty("isGv2Invite") val isGv2Invite: Boolean = false,
     @field:JsonProperty @param:JsonProperty("groupAddedBy") val groupAddedBy: String? = null,
     @field:JsonProperty @param:JsonProperty("individualRecipientId") private val individualRecipientId: String,
-    @field:JsonProperty @param:JsonProperty("bodyRanges") val bodyRanges: String? = null
+    @field:JsonProperty @param:JsonProperty("bodyRanges") val bodyRanges: String? = null,
+    @field:JsonProperty @param:JsonProperty("isScheduled") val isScheduled: Boolean = false
   ) {
 
     fun getIndividualRecipientId(): String {
@@ -1821,6 +1830,10 @@ class ThreadTable(context: Context, databaseHelper: SignalDatabase) : DatabaseTa
       fun forBodyRanges(bodyRanges: BodyRangeList, individualRecipient: RecipientId): Extra {
         return Extra(individualRecipientId = individualRecipient.serialize(), bodyRanges = bodyRanges.serialize())
       }
+
+      fun forScheduledMessage(individualRecipient: RecipientId): Extra {
+        return Extra(individualRecipientId = individualRecipient.serialize(), isScheduled = true)
+      }
     }
   }
 

app/src/main/java/org/thoughtcrime/securesms/database/model/ThreadRecord.java

@@ -185,6 +185,10 @@ public final class ThreadRecord {
     return StatusUtil.isDelivered(deliveryStatus, deliveryReceiptCount);
   }
 
+  public boolean isScheduledMessage() {
+    return extra != null && extra.isScheduled();
+  }
+
   public @Nullable RecipientId getGroupAddedBy() {
     if (extra != null && extra.getGroupAddedBy() != null) return RecipientId.from(extra.getGroupAddedBy());
     else                                                  return null;

app/src/main/res/values/strings.xml

@@ -1960,6 +1960,8 @@
     <string name="ThreadRecord__reacted_s_to_their_story">Reacted %1$s to their story</string>
     <!-- Displayed in the conversation list when your most recent message is a payment to or from the person the conversation is with -->
     <string name="ThreadRecord_payment">Payment</string>
+    <!-- Displayed in the conversation list when your only message in a conversation is a scheduled send. -->
+    <string name="ThreadRecord_scheduled_message">Scheduled message</string>
 
     <!-- UpdateApkReadyListener -->
     <string name="UpdateApkReadyListener_Signal_update">Signal update</string>