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112 lines
2.3 KiB
Objective-C
112 lines
2.3 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "OWSDatabaseMigration.h"
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#import <SignalServiceKit/OWSPrimaryStorage.h>
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#import <SignalServiceKit/SSKEnvironment.h>
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NS_ASSUME_NONNULL_BEGIN
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@implementation OWSDatabaseMigration
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#pragma mark - Dependencies
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- (OWSPrimaryStorage *)primaryStorage
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{
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OWSAssertDebug(SSKEnvironment.shared.primaryStorage);
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return SSKEnvironment.shared.primaryStorage;
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}
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#pragma mark -
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- (void)saveWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
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{
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OWSLogInfo(@"marking migration as complete.");
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[super saveWithTransaction:transaction];
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}
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- (instancetype)init
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{
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self = [super initWithUniqueId:[self.class migrationId]];
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if (!self) {
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return self;
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}
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return self;
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}
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+ (MTLPropertyStorage)storageBehaviorForPropertyWithKey:(NSString *)propertyKey
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{
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if ([propertyKey isEqualToString:@"primaryStorage"]) {
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return MTLPropertyStorageNone;
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} else {
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return [super storageBehaviorForPropertyWithKey:propertyKey];
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}
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}
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+ (NSString *)migrationId
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{
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OWSAbstractMethod();
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return @"";
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}
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+ (NSString *)collection
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{
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// We want all subclasses in the same collection
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return @"OWSDatabaseMigration";
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}
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- (void)runUpWithTransaction:(YapDatabaseReadWriteTransaction *)transaction
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{
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OWSAbstractMethod();
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}
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- (void)runUpWithCompletion:(OWSDatabaseMigrationCompletion)completion
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{
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OWSAssertDebug(completion);
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OWSDatabaseConnection *dbConnection = (OWSDatabaseConnection *)self.primaryStorage.newDatabaseConnection;
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[dbConnection
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asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
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[self runUpWithTransaction:transaction];
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}
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completionBlock:^{
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OWSLogInfo(@"Completed migration %@", self.uniqueId);
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[self save];
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completion();
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}];
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}
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#pragma mark - Database Connections
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#ifdef DEBUG
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+ (YapDatabaseConnection *)dbReadConnection
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{
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return self.dbReadWriteConnection;
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}
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+ (YapDatabaseConnection *)dbReadWriteConnection
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{
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return SSKEnvironment.shared.migrationDBConnection;
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}
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- (YapDatabaseConnection *)dbReadConnection
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{
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return OWSDatabaseMigration.dbReadConnection;
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}
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- (YapDatabaseConnection *)dbReadWriteConnection
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{
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return OWSDatabaseMigration.dbReadWriteConnection;
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}
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#endif
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@end
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NS_ASSUME_NONNULL_END
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