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113 lines
3.1 KiB
Objective-C
113 lines
3.1 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "OWSReadReceiptsForSenderMessage.h"
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#import "NSDate+OWS.h"
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#import "SignalRecipient.h"
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#import <SignalServiceKit/SignalServiceKit-Swift.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface OWSReadReceiptsForSenderMessage ()
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@property (nonatomic, readonly) NSArray<NSNumber *> *messageTimestamps;
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@end
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#pragma mark -
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@implementation OWSReadReceiptsForSenderMessage
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- (instancetype)initWithThread:(nullable TSThread *)thread messageTimestamps:(NSArray<NSNumber *> *)messageTimestamps
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{
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self = [super initOutgoingMessageWithTimestamp:[NSDate ows_millisecondTimeStamp]
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inThread:thread
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messageBody:nil
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attachmentIds:[NSMutableArray new]
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expiresInSeconds:0
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expireStartedAt:0
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isVoiceMessage:NO
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groupMetaMessage:TSGroupMetaMessageUnspecified
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quotedMessage:nil
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contactShare:nil];
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if (!self) {
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return self;
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}
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_messageTimestamps = [messageTimestamps copy];
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return self;
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}
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#pragma mark - TSOutgoingMessage overrides
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- (BOOL)shouldSyncTranscript
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{
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return NO;
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}
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- (BOOL)isSilent
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{
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// Avoid "phantom messages" for "recipient read receipts".
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return YES;
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}
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- (nullable NSData *)buildPlainTextData:(SignalRecipient *)recipient
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{
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OWSAssert(recipient);
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SSKProtoReceiptMessage *_Nullable receiptMessage = [self buildReceiptMessage:recipient.recipientId];
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if (!receiptMessage) {
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OWSFailDebug(@"could not build protobuf.");
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return nil;
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}
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SSKProtoContentBuilder *contentBuilder = [SSKProtoContentBuilder new];
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[contentBuilder setReceiptMessage:receiptMessage];
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NSError *error;
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NSData *_Nullable contentData = [contentBuilder buildSerializedDataAndReturnError:&error];
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if (error || !contentData) {
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OWSFailDebug(@"could not serialize protobuf: %@", error);
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return nil;
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}
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return contentData;
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}
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- (nullable SSKProtoReceiptMessage *)buildReceiptMessage:(NSString *)recipientId
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{
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SSKProtoReceiptMessageBuilder *builder = [SSKProtoReceiptMessageBuilder new];
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[builder setType:SSKProtoReceiptMessageTypeRead];
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OWSAssert(self.messageTimestamps.count > 0);
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for (NSNumber *messageTimestamp in self.messageTimestamps) {
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[builder addTimestamp:[messageTimestamp unsignedLongLongValue]];
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}
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NSError *error;
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SSKProtoReceiptMessage *_Nullable receiptMessage = [builder buildAndReturnError:&error];
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if (error || !receiptMessage) {
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OWSFailDebug(@"could not build protobuf: %@", error);
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return nil;
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}
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return receiptMessage;
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}
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#pragma mark - TSYapDatabaseObject overrides
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- (BOOL)shouldBeSaved
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{
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return NO;
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}
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- (NSString *)debugDescription
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{
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return [NSString stringWithFormat:@"%@ with message timestamps: %lu", self.logTag, (unsigned long)self.messageTimestamps.count];
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}
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@end
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NS_ASSUME_NONNULL_END
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