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//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
#import <SessionUtilitiesKit/TSYapDatabaseObject.h>
NS_ASSUME_NONNULL_BEGIN
// We store metadata for known backup fragments (i.e. CloudKit record) in
// the database. We might learn about them from:
//
// * Past backup exports.
// * An import downloading and parsing the manifest of the last complete backup.
//
// Storing this data in the database provides continuity.
//
// * Backup exports can reuse fragments from previous Backup exports even if they
// don't complete (i.e. backup export resume).
// * Backup exports can reuse fragments from the backup import, if any.
@interface OWSBackupFragment : TSYapDatabaseObject
@property (nonatomic) NSString *recordName;
@property (nonatomic) NSData *encryptionKey;
// This property is only set for certain types of manifest item,
// namely attachments where we need to know where the attachment's
// file should reside relative to the attachments folder.
@property (nonatomic, nullable) NSString *relativeFilePath;
// This property is only set for attachments.
@property (nonatomic, nullable) NSString *attachmentId;
// This property is only set if the manifest item is downloaded.
@property (nonatomic, nullable) NSString *downloadFilePath;
// This property is only set if the manifest item is compressed.
@property (nonatomic, nullable) NSNumber *uncompressedDataLength;
- (instancetype)init NS_UNAVAILABLE;
@end
NS_ASSUME_NONNULL_END