Handle new-style delivery receipts.

// FREEBIE

SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.h

@@ -172,7 +172,6 @@ typedef NS_ENUM(NSInteger, TSGroupMetaMessage) {
 - (void)updateWithCustomMessage:(NSString *)customMessage transaction:(YapDatabaseReadWriteTransaction *)transaction;
 - (void)updateWithCustomMessage:(NSString *)customMessage;
 - (void)updateWithWasDeliveredWithTransaction:(YapDatabaseReadWriteTransaction *)transaction;
-- (void)updateWithWasDelivered;
 - (void)updateWithWasSentFromLinkedDeviceWithTransaction:(YapDatabaseReadWriteTransaction *)transaction;
 - (void)updateWithSingleGroupRecipient:(NSString *)singleGroupRecipient
                            transaction:(YapDatabaseReadWriteTransaction *)transaction;

SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m

@@ -317,13 +317,6 @@ NSString *const kTSOutgoingMessageSentRecipientAll = @"kTSOutgoingMessageSentRec
                                         }];
 }
 
-- (void)updateWithWasDelivered
-{
-    [self.dbReadWriteConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
-        [self updateWithWasDeliveredWithTransaction:transaction];
-    }];
-}
-
 - (void)updateWithWasSentFromLinkedDeviceWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
 {
     OWSAssert(transaction);

SignalServiceKit/src/Messages/OWSMessageManager.m

@@ -186,26 +186,43 @@ NS_ASSUME_NONNULL_BEGIN
     OWSAssert(envelope);
     OWSAssert(transaction);
 
+    [self processDeliveryReceipts:envelope.source
+                   sentTimestamps:@[
+                       @(envelope.timestamp),
+                   ]
+                      transaction:transaction];
+}
+
+- (void)processDeliveryReceipts:(NSString *)recipientId
+                 sentTimestamps:(NSArray<NSNumber *> *)sentTimestamps
+                    transaction:(YapDatabaseReadWriteTransaction *)transaction
+{
+    OWSAssert(recipientId);
+    OWSAssert(sentTimestamps);
+    OWSAssert(transaction);
+
+    for (NSNumber *nsTimestamp in sentTimestamps) {
+        uint64_t timestamp = [nsTimestamp unsignedLongLongValue];
+
         NSArray<TSOutgoingMessage *> *messages
-        = (NSArray<TSOutgoingMessage *> *)[TSInteraction interactionsWithTimestamp:envelope.timestamp
+            = (NSArray<TSOutgoingMessage *> *)[TSInteraction interactionsWithTimestamp:timestamp
                                                                                ofClass:[TSOutgoingMessage class]
                                                                        withTransaction:transaction];
         if (messages.count < 1) {
             // Desktop currently sends delivery receipts for "unpersisted" messages
             // like group updates, so these errors are expected to a certain extent.
-        DDLogInfo(@"%@ Missing message for delivery receipt: %llu", self.tag, envelope.timestamp);
+            DDLogInfo(@"%@ Missing message for delivery receipt: %llu", self.tag, timestamp);
         } else {
             if (messages.count > 1) {
-            DDLogInfo(@"%@ More than one message (%zd) for delivery receipt: %llu",
+                DDLogInfo(
-                self.tag,
+                    @"%@ More than one message (%zd) for delivery receipt: %llu", self.tag, messages.count, timestamp);
-                messages.count,
-                envelope.timestamp);
             }
             for (TSOutgoingMessage *outgoingMessage in messages) {
                 [outgoingMessage updateWithWasDeliveredWithTransaction:transaction];
             }
         }
     }
+}
 
 - (void)handleEnvelope:(OWSSignalServiceProtosEnvelope *)envelope
          plaintextData:(NSData *)plaintextData
@@ -243,7 +260,7 @@ NS_ASSUME_NONNULL_BEGIN
         } else if (content.hasNullMessage) {
             DDLogInfo(@"%@ Received null message.", self.tag);
         } else if (content.hasReceiptMessage) {
-            [self handleIncomingEnvelope:envelope withReceiptMessage:content.receiptMessage];
+            [self handleIncomingEnvelope:envelope withReceiptMessage:content.receiptMessage transaction:transaction];
         } else {
             DDLogWarn(@"%@ Ignoring envelope. Content with no known payload", self.tag);
         }
@@ -340,17 +357,29 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)handleIncomingEnvelope:(OWSSignalServiceProtosEnvelope *)envelope
             withReceiptMessage:(OWSSignalServiceProtosReceiptMessage *)receiptMessage
+                   transaction:(YapDatabaseReadWriteTransaction *)transaction
 {
     OWSAssert(envelope);
     OWSAssert(receiptMessage);
+    OWSAssert(transaction);
+
+    PBArray *messageTimestamps = receiptMessage.timestamp;
+    NSMutableArray<NSNumber *> *sentTimestamps = [NSMutableArray new];
+    for (int i = 0; i < messageTimestamps.count; i++) {
+        UInt64 timestamp = [messageTimestamps uint64AtIndex:i];
+        [sentTimestamps addObject:@(timestamp)];
+    }
 
     switch (receiptMessage.type) {
         case OWSSignalServiceProtosReceiptMessageTypeDelivery:
-            DDLogInfo(@"%@ Ignoring receipt message with delivery receipt.", self.tag);
+            DDLogVerbose(@"%@ Processing receipt message with delivery receipts.", self.tag);
+            [self processDeliveryReceipts:envelope.source sentTimestamps:sentTimestamps transaction:transaction];
             return;
         case OWSSignalServiceProtosReceiptMessageTypeRead:
             DDLogVerbose(@"%@ Processing receipt message with read receipts.", self.tag);
-            [OWSReadReceiptManager.sharedManager processReadReceiptsFromRecipient:receiptMessage envelope:envelope];
+            [OWSReadReceiptManager.sharedManager processReadReceiptsFromRecipientId:envelope.source
+                                                                     sentTimestamps:sentTimestamps
+                                                                      readTimestamp:envelope.timestamp];
             break;
         default:
             DDLogInfo(@"%@ Ignoring receipt message of unknown type: %d.", self.tag, (int)receiptMessage.type);

SignalServiceKit/src/Messages/OWSReadReceiptManager.h

@@ -4,8 +4,6 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@class OWSSignalServiceProtosEnvelope;
-@class OWSSignalServiceProtosReceiptMessage;
 @class OWSSignalServiceProtosSyncMessageRead;
 @class TSIncomingMessage;
 @class TSOutgoingMessage;
@@ -41,8 +39,9 @@ extern NSString *const kIncomingMessageMarkedAsReadNotification;
 // from a user to whom we have sent a message.
 //
 // This method can be called from any thread.
-- (void)processReadReceiptsFromRecipient:(OWSSignalServiceProtosReceiptMessage *)receiptMessage
+- (void)processReadReceiptsFromRecipientId:(NSString *)recipientId
-                                envelope:(OWSSignalServiceProtosEnvelope *)envelope;
+                            sentTimestamps:(NSArray<NSNumber *> *)sentTimestamps
+                             readTimestamp:(uint64_t)readTimestamp;
 
 - (void)applyEarlyReadReceiptsForOutgoingMessageFromLinkedDevice:(TSOutgoingMessage *)message
                                                      transaction:(YapDatabaseReadWriteTransaction *)transaction;

SignalServiceKit/src/Messages/OWSReadReceiptManager.m

@@ -340,28 +340,22 @@ NSString *const OWSReadReceiptManagerAreReadReceiptsEnabled = @"areReadReceiptsE
 
 #pragma mark - Read Receipts From Recipient
 
-- (void)processReadReceiptsFromRecipient:(OWSSignalServiceProtosReceiptMessage *)receiptMessage
+- (void)processReadReceiptsFromRecipientId:(NSString *)recipientId
-                                envelope:(OWSSignalServiceProtosEnvelope *)envelope
+                            sentTimestamps:(NSArray<NSNumber *> *)sentTimestamps
+                             readTimestamp:(uint64_t)readTimestamp
 {
-    OWSAssert(receiptMessage);
+    OWSAssert(recipientId.length > 0);
-    OWSAssert(envelope);
+    OWSAssert(sentTimestamps);
-    OWSAssert(receiptMessage.type == OWSSignalServiceProtosReceiptMessageTypeRead);
 
     if (![self areReadReceiptsEnabled]) {
         DDLogInfo(@"%@ Ignoring incoming receipt message as read receipts are disabled.", self.tag);
         return;
     }
 
-    NSString *recipientId = envelope.source;
-    OWSAssert(recipientId.length > 0);
-
-    PBArray *sentTimestamps = receiptMessage.timestamp;
-    UInt64 readTimestamp = envelope.timestamp;
-
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
         [self.dbConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
-            for (int i = 0; i < sentTimestamps.count; i++) {
+            for (NSNumber *nsSentTimestamp in sentTimestamps) {
-                UInt64 sentTimestamp = [sentTimestamps uint64AtIndex:i];
+                UInt64 sentTimestamp = [nsSentTimestamp unsignedLongLongValue];
 
                 NSArray<TSOutgoingMessage *> *messages
                     = (NSArray<TSOutgoingMessage *> *)[TSInteraction interactionsWithTimestamp:sentTimestamp