Swiftgram/submodules/MtProtoKit/Sources/MTDatacenterSaltInfo.m
2020-02-20 01:37:54 +04:00

50 lines
1.3 KiB
Objective-C

#import <MtProtoKit/MTDatacenterSaltInfo.h>
@implementation MTDatacenterSaltInfo
- (instancetype)initWithSalt:(int64_t)salt firstValidMessageId:(int64_t)firstValidMessageId lastValidMessageId:(int64_t)lastValidMessageId
{
self = [super init];
if (self != nil)
{
_salt = salt;
_firstValidMessageId = firstValidMessageId;
_lastValidMessageId = lastValidMessageId;
}
return self;
}
- (instancetype)initWithCoder:(NSCoder *)aDecoder
{
self = [super init];
if (self != nil)
{
_salt = [aDecoder decodeInt64ForKey:@"salt"];
_firstValidMessageId = [aDecoder decodeInt64ForKey:@"firstValidMessageId"];
_lastValidMessageId = [aDecoder decodeInt64ForKey:@"lastValidMessageId"];
}
return self;
}
- (void)encodeWithCoder:(NSCoder *)aCoder
{
[aCoder encodeInt64:_salt forKey:@"salt"];
[aCoder encodeInt64:_firstValidMessageId forKey:@"firstValidMessageId"];
[aCoder encodeInt64:_lastValidMessageId forKey:@"lastValidMessageId"];
}
- (int64_t)validMessageCountAfterId:(int64_t)messageId
{
if (messageId < _firstValidMessageId)
return 0;
return MAX(0, _lastValidMessageId - messageId);
}
- (bool)isValidFutureSaltForMessageId:(int64_t)messageId
{
return _lastValidMessageId > messageId;
}
@end