82 lines
2.6 KiB
Objective-C
82 lines
2.6 KiB
Objective-C
//
|
|
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
#import "OWSGroupsOutputStream.h"
|
|
#import "MIMETypeUtil.h"
|
|
#import "OWSDisappearingMessagesConfiguration.h"
|
|
#import "TSGroupModel.h"
|
|
#import "TSGroupThread.h"
|
|
#import <SignalServiceKit/SignalServiceKit-Swift.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@implementation OWSGroupsOutputStream
|
|
|
|
- (void)writeGroup:(TSGroupThread *)groupThread transaction:(YapDatabaseReadTransaction *)transaction
|
|
{
|
|
OWSAssert(groupThread);
|
|
OWSAssert(transaction);
|
|
|
|
TSGroupModel *group = groupThread.groupModel;
|
|
OWSAssert(group);
|
|
|
|
SSKProtoGroupDetailsBuilder *groupBuilder = [SSKProtoGroupDetailsBuilder new];
|
|
[groupBuilder setId:group.groupId];
|
|
[groupBuilder setName:group.groupName];
|
|
[groupBuilder setMembers:group.groupMemberIds];
|
|
#ifdef CONVERSATION_COLORS_ENABLED
|
|
[groupBuilder setColor:groupThread.conversationColorName];
|
|
#endif
|
|
|
|
NSData *avatarPng;
|
|
if (group.groupImage) {
|
|
SSKProtoGroupDetailsAvatarBuilder *avatarBuilder =
|
|
[SSKProtoGroupDetailsAvatarBuilder new];
|
|
|
|
[avatarBuilder setContentType:OWSMimeTypeImagePng];
|
|
avatarPng = UIImagePNGRepresentation(group.groupImage);
|
|
[avatarBuilder setLength:(uint32_t)avatarPng.length];
|
|
|
|
NSError *error;
|
|
SSKProtoGroupDetailsAvatar *_Nullable avatarProto = [avatarBuilder buildAndReturnError:&error];
|
|
if (error || !avatarProto) {
|
|
OWSFail(@"%@ could not build protobuf: %@", self.logTag, error);
|
|
} else {
|
|
[groupBuilder setAvatar:avatarProto];
|
|
}
|
|
}
|
|
|
|
OWSDisappearingMessagesConfiguration *_Nullable disappearingMessagesConfiguration =
|
|
[OWSDisappearingMessagesConfiguration fetchObjectWithUniqueID:groupThread.uniqueId transaction:transaction];
|
|
|
|
if (disappearingMessagesConfiguration && disappearingMessagesConfiguration.isEnabled) {
|
|
[groupBuilder setExpireTimer:disappearingMessagesConfiguration.durationSeconds];
|
|
} else {
|
|
// Rather than *not* set the field, we expicitly set it to 0 so desktop
|
|
// can easily distinguish between a modern client declaring "off" vs a
|
|
// legacy client "not specifying".
|
|
[groupBuilder setExpireTimer:0];
|
|
}
|
|
|
|
NSError *error;
|
|
NSData *_Nullable groupData = [groupBuilder buildSerializedDataAndReturnError:&error];
|
|
if (error || !groupData) {
|
|
OWSFail(@"%@ could not serialize protobuf: %@", self.logTag, error);
|
|
return;
|
|
}
|
|
|
|
uint32_t groupDataLength = (uint32_t)groupData.length;
|
|
|
|
[self writeUInt32:groupDataLength];
|
|
[self writeData:groupData];
|
|
|
|
if (avatarPng) {
|
|
[self writeData:avatarPng];
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|