TM-SGNL-iOS/SignalServiceKit/Devices/OWSLinkedDeviceReadReceipt.m
TeleMessage developers dde0620daf initial commit
2025-05-03 12:28:28 -07:00

87 lines
2.7 KiB
Objective-C

//
// Copyright 2017 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//
#import "OWSLinkedDeviceReadReceipt.h"
#import <SignalServiceKit/SignalServiceKit-Swift.h>
NS_ASSUME_NONNULL_BEGIN
NSUInteger const OWSLinkedDeviceReadReceiptSchemaVersion = 1;
@interface OWSLinkedDeviceReadReceipt ()
@property (nonatomic, nullable, readonly) NSString *senderPhoneNumber;
@property (nonatomic, nullable, readonly) NSString *senderUUID;
@property (nonatomic, readonly) NSUInteger linkedDeviceReadReceiptSchemaVersion;
@end
@implementation OWSLinkedDeviceReadReceipt
- (instancetype)initWithSenderAci:(AciObjC *)senderAci
messageUniqueId:(nullable NSString *)messageUniqueId
messageIdTimestamp:(uint64_t)messageIdTimestamp
readTimestamp:(uint64_t)readTimestamp
{
OWSAssertDebug(messageIdTimestamp > 0);
self = [super init];
if (!self) {
return self;
}
_senderPhoneNumber = nil;
_senderUUID = senderAci.serviceIdUppercaseString;
_messageUniqueId = messageUniqueId;
_messageIdTimestamp = messageIdTimestamp;
_readTimestamp = readTimestamp;
_linkedDeviceReadReceiptSchemaVersion = OWSLinkedDeviceReadReceiptSchemaVersion;
return self;
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wobjc-designated-initializers"
- (nullable instancetype)initWithCoder:(NSCoder *)coder
{
self = [super initWithCoder:coder];
#pragma clang diagnostic pop
if (!self) {
return self;
}
// renamed timestamp -> messageIdTimestamp
if (!_messageIdTimestamp) {
NSNumber *_Nullable legacyTimestamp = (NSNumber *)[coder decodeObjectForKey:@"timestamp"];
OWSAssertDebug(legacyTimestamp.unsignedLongLongValue > 0);
_messageIdTimestamp = legacyTimestamp.unsignedLongLongValue;
}
// For legacy objects, before we were tracking read time, use the original messages "sent" timestamp
// as the local read time. This will always be at least a little bit earlier than the message was
// actually read, which isn't ideal, but safer than persisting a disappearing message too long, especially
// since we know they read it on their linked desktop.
if (_readTimestamp == 0) {
_readTimestamp = _messageIdTimestamp;
}
if (_linkedDeviceReadReceiptSchemaVersion < 1) {
_senderPhoneNumber = [coder decodeObjectForKey:@"senderId"];
OWSAssertDebug(_senderPhoneNumber);
}
_linkedDeviceReadReceiptSchemaVersion = OWSLinkedDeviceReadReceiptSchemaVersion;
return self;
}
- (SignalServiceAddress *)senderAddress
{
return [SignalServiceAddress legacyAddressWithServiceIdString:self.senderUUID phoneNumber:self.senderPhoneNumber];
}
@end
NS_ASSUME_NONNULL_END