Fix calling; be explicit about which messages should be saved.

SignalServiceKit/src/Devices/OWSReadReceiptsForSenderMessage.m

@@ -67,13 +67,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark - TSYapDatabaseObject overrides
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
-    //
-    // Should we find a need to save this in the future, we need to exclude any non-serializable properties.
+    return NO;
 }
 
 - (NSString *)debugDescription

SignalServiceKit/src/Messages/DeviceSyncing/OWSOutgoingSyncMessage.m

@@ -11,11 +11,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation OWSOutgoingSyncMessage
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
+    return NO;
 }
 
 - (BOOL)shouldSyncTranscript

SignalServiceKit/src/Messages/DeviceSyncing/OWSSyncGroupsRequestMessage.m

@@ -31,11 +31,9 @@ NS_ASSUME_NONNULL_BEGIN
     return self;
 }
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
+    return NO;
 }
 
 - (BOOL)shouldSyncTranscript

SignalServiceKit/src/Messages/Interactions/OWSDisappearingMessagesConfigurationMessage.m

@@ -17,11 +17,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation OWSDisappearingMessagesConfigurationMessage
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
+    return NO;
 }
 
 - (instancetype)initWithConfiguration:(OWSDisappearingMessagesConfiguration *)configuration thread:(TSThread *)thread

SignalServiceKit/src/Messages/Interactions/OWSDynamicOutgoingMessage.m

@@ -36,11 +36,9 @@ NS_ASSUME_NONNULL_BEGIN
     return self;
 }
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
+    return NO;
 }
 
 - (NSData *)buildPlainTextData:(SignalRecipient *)recipient

SignalServiceKit/src/Messages/Interactions/OWSEndSessionMessage.m

@@ -1,5 +1,6 @@
-//  Created by Michael Kirk on 11/3/16.
-//  Copyright © 2016 Open Whisper Systems. All rights reserved.
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
 
 #import "OWSEndSessionMessage.h"
 #import "OWSSignalServiceProtos.pb.h"
@@ -8,11 +9,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation OWSEndSessionMessage
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
+    return NO;
 }
 
 - (OWSSignalServiceProtosDataMessageBuilder *)dataMessageBuilder

SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.h

@@ -148,6 +148,8 @@ typedef NS_ENUM(NSInteger, TSGroupMetaMessage) {
 - (OWSSignalServiceProtosAttachmentPointer *)buildAttachmentProtoForAttachmentId:(NSString *)attachmentId
                                                                         filename:(nullable NSString *)filename;
 
+- (BOOL)shouldBeSaved;
+
 #pragma mark - Update With... Methods
 
 - (void)updateWithMessageState:(TSOutgoingMessageState)messageState;

SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m

@@ -198,8 +198,20 @@ NSString *const kTSOutgoingMessageSentRecipientAll = @"kTSOutgoingMessageSentRec
     return self;
 }
 
+- (BOOL)shouldBeSaved
+{
+    return YES;
+}
+
 - (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
 {
+    if (!self.shouldBeSaved) {
+        // There's no need to save this message, since it's not displayed to the user.
+        //
+        // Should we find a need to save this in the future, we need to exclude any non-serializable properties.
+        return;
+    }
+
     if (!(self.groupMetaMessage == TSGroupMessageDeliver || self.groupMetaMessage == TSGroupMessageNone)) {
         DDLogDebug(@"%@ Skipping save for group meta message.", self.logTag);
         return;

SignalServiceKit/src/Messages/OWSMessageSender.m

@@ -281,7 +281,7 @@ NSUInteger const OWSSendMessageOperationMaxRetries = 4;
 - (void)tryWithRemainingRetries:(NSUInteger)remainingRetries
 {
     // If the message has been deleted, abort send.
-    if (![TSOutgoingMessage fetchObjectWithUniqueID:self.message.uniqueId]) {
+    if (self.message.shouldBeSaved && ![TSOutgoingMessage fetchObjectWithUniqueID:self.message.uniqueId]) {
         DDLogInfo(@"%@ aborting message send; message deleted.", self.logTag);
         NSError *error = OWSErrorWithCodeDescription(
             OWSErrorCodeMessageDeletedBeforeSent, @"Message was deleted before it could be sent.");

SignalServiceKit/src/Messages/OWSOutgoingCallMessage.m

@@ -171,13 +171,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark - TSYapDatabaseObject overrides
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
-    //
-    // Should we find a need to save this in the future, we need to exclude any non-serializable properties.
+    return NO;
 }
 
 - (NSString *)debugDescription

SignalServiceKit/src/Messages/OWSOutgoingNullMessage.m

@@ -65,10 +65,9 @@ NS_ASSUME_NONNULL_BEGIN
     return NO;
 }
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // No-op as we don't want to actually display this as an outgoing message in our thread.
-    return;
+    return NO;
 }
 
 @end

SignalServiceKit/src/Messages/OWSProfileKeyMessage.m

@@ -12,11 +12,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation OWSProfileKeyMessage
 
-- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
+- (BOOL)shouldBeSaved
 {
-    // override superclass with no-op.
-    //
-    // There's no need to save this message, since it's not displayed to the user.
+    return NO;
 }
 
 - (BOOL)shouldSyncTranscript