session-ios/SignalMessaging/environment/migrations/OWS102MoveLoggingPreferenceToUserDefaults.m

//
//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//

#import "OWS102MoveLoggingPreferenceToUserDefaults.h"
#import "DebugLogger.h"
#import "Environment.h"
#import "OWSPreferences.h"
#import <YapDatabase/YapDatabase.h>

// Increment a similar constant for every future DBMigration
static NSString *const OWS102MoveLoggingPreferenceToUserDefaultsMigrationId = @"102";

@implementation OWS102MoveLoggingPreferenceToUserDefaults

+ (NSString *)migrationId
{
    return OWS102MoveLoggingPreferenceToUserDefaultsMigrationId;
}

- (void)runUpWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
{
    OWSAssertDebug(transaction);

    OWSLogWarn(@"[OWS102MoveLoggingPreferenceToUserDefaultsMigrationId] copying existing logging preference to "
               @"NSUserDefaults");

    NSNumber *existingValue =
        [transaction objectForKey:OWSPreferencesKeyEnableDebugLog inCollection:OWSPreferencesSignalDatabaseCollection];

    if (existingValue) {
        OWSLogInfo(@"assigning existing value: %@", existingValue);
        [OWSPreferences setIsLoggingEnabled:[existingValue boolValue]];

        if (![existingValue boolValue]) {
            OWSLogInfo(@"Disabling file logger after one-time log settings migration.");
            // Since we're migrating, we didn't have the appropriate value on startup, and incorrectly started logging.
            [DebugLogger.sharedLogger disableFileLogging];
        } else {
            OWSLogInfo(@"Continuing to log after one-time log settings migration.");
        }
    } else {
        OWSLogInfo(@"not assigning any value, since no previous value was stored.");
    }
}

@end