mirror of https://github.com/oxen-io/session-ios
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.6 KiB
Objective-C
81 lines
2.6 KiB
Objective-C
//
|
|
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
#import "OWSResaveCollectionDBMigration.h"
|
|
#import <YapDatabase/YapDatabaseConnection.h>
|
|
#import <YapDatabase/YapDatabaseTransaction.h>
|
|
#import <SessionServiceKit/SessionServiceKit-Swift.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@implementation OWSResaveCollectionDBMigration
|
|
|
|
- (void)resaveDBCollection:(NSString *)collection
|
|
filter:(nullable DBRecordFilterBlock)filter
|
|
dbConnection:(YapDatabaseConnection *)dbConnection
|
|
completion:(OWSDatabaseMigrationCompletion)completion
|
|
{
|
|
OWSAssertDebug(collection.length > 0);
|
|
OWSAssertDebug(dbConnection);
|
|
OWSAssertDebug(completion);
|
|
|
|
NSMutableArray<NSString *> *recordIds = [NSMutableArray new];
|
|
[LKStorage writeWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
|
|
[recordIds addObjectsFromArray:[transaction allKeysInCollection:collection]];
|
|
OWSLogInfo(@"Migrating %lu records from: %@.", (unsigned long)recordIds.count, collection);
|
|
}
|
|
completion:^{
|
|
[self resaveBatch:recordIds
|
|
collection:collection
|
|
filter:filter
|
|
dbConnection:dbConnection
|
|
completion:completion];
|
|
}];
|
|
}
|
|
|
|
- (void)resaveBatch:(NSMutableArray<NSString *> *)recordIds
|
|
collection:(NSString *)collection
|
|
filter:(nullable DBRecordFilterBlock)filter
|
|
dbConnection:(YapDatabaseConnection *)dbConnection
|
|
completion:(OWSDatabaseMigrationCompletion)completion
|
|
{
|
|
OWSAssertDebug(recordIds);
|
|
OWSAssertDebug(collection.length > 0);
|
|
OWSAssertDebug(dbConnection);
|
|
OWSAssertDebug(completion);
|
|
|
|
OWSLogVerbose(@"%lu", (unsigned long)recordIds.count);
|
|
|
|
if (recordIds.count < 1) {
|
|
completion();
|
|
return;
|
|
}
|
|
|
|
[LKStorage writeWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
|
|
const int kBatchSize = 1000;
|
|
for (int i = 0; i < kBatchSize && recordIds.count > 0; i++) {
|
|
NSString *messageId = [recordIds lastObject];
|
|
[recordIds removeLastObject];
|
|
id record = [transaction objectForKey:messageId inCollection:collection];
|
|
if (filter && !filter(record)) {
|
|
continue;
|
|
}
|
|
TSYapDatabaseObject *entity = (TSYapDatabaseObject *)record;
|
|
[entity saveWithTransaction:transaction];
|
|
}
|
|
}
|
|
completion:^{
|
|
// Process the next batch.
|
|
[self resaveBatch:recordIds
|
|
collection:collection
|
|
filter:filter
|
|
dbConnection:dbConnection
|
|
completion:completion];
|
|
}];
|
|
}
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|