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

109 lines
3.6 KiB
Objective-C

//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
#import "OWSDatabaseMigrationRunner.h"
#import "OWS100RemoveTSRecipientsMigration.h"
#import "OWS102MoveLoggingPreferenceToUserDefaults.h"
#import "OWS103EnableVideoCalling.h"
#import "OWS104CreateRecipientIdentities.h"
#import "OWS105AttachmentFilePaths.h"
#import "OWSDatabaseMigration.h"
#import <SignalMessaging/SignalMessaging-Swift.h>
#import <SignalServiceKit/AppContext.h>
NS_ASSUME_NONNULL_BEGIN
@implementation OWSDatabaseMigrationRunner
- (instancetype)initWithStorageManager:(TSStorageManager *)storageManager
{
self = [super init];
if (!self) {
return self;
}
_storageManager = storageManager;
return self;
}
// This should all migrations which do NOT qualify as safeBlockingMigrations:
- (NSArray<OWSDatabaseMigration *> *)allMigrations
{
TSStorageManager *storageManager = TSStorageManager.sharedManager;
return @[
[[OWS100RemoveTSRecipientsMigration alloc] initWithStorageManager:storageManager],
[[OWS102MoveLoggingPreferenceToUserDefaults alloc] initWithStorageManager:storageManager],
[[OWS103EnableVideoCalling alloc] initWithStorageManager:storageManager],
[[OWS104CreateRecipientIdentities alloc] initWithStorageManager:storageManager],
[[OWS105AttachmentFilePaths alloc] initWithStorageManager:storageManager],
[[OWS106EnsureProfileComplete alloc] initWithStorageManager:storageManager]
];
}
- (void)assumeAllExistingMigrationsRun
{
for (OWSDatabaseMigration *migration in self.allMigrations) {
DDLogInfo(@"%@ Skipping migration on new install: %@", self.logTag, migration);
[migration save];
}
}
- (void)runAllOutstandingWithCompletion:(OWSDatabaseMigrationCompletion)completion
{
[self runMigrations:self.allMigrations completion:completion];
}
- (void)runMigrations:(NSArray<OWSDatabaseMigration *> *)migrations
completion:(OWSDatabaseMigrationCompletion)completion
{
OWSAssert(migrations);
OWSAssert(completion);
NSMutableArray<OWSDatabaseMigration *> *migrationsToRun = [NSMutableArray new];
for (OWSDatabaseMigration *migration in migrations) {
if ([OWSDatabaseMigration fetchObjectWithUniqueID:migration.uniqueId]) {
DDLogDebug(@"%@ Skipping previously run migration: %@", self.logTag, migration);
} else {
DDLogWarn(@"%@ Running migration: %@", self.logTag, migration);
[migrationsToRun addObject:migration];
}
}
if (migrationsToRun.count < 1) {
dispatch_async(dispatch_get_main_queue(), ^{
completion();
});
return;
}
NSUInteger totalMigrationCount = migrationsToRun.count;
__block NSUInteger completedMigrationCount = 0;
// Call the completion exactly once, when the last migration completes.
void (^checkMigrationCompletion)(void) = ^{
@synchronized(self)
{
completedMigrationCount++;
if (completedMigrationCount == totalMigrationCount) {
dispatch_async(dispatch_get_main_queue(), ^{
completion();
});
}
}
};
for (OWSDatabaseMigration *migration in migrationsToRun) {
if ([OWSDatabaseMigration fetchObjectWithUniqueID:migration.uniqueId]) {
DDLogDebug(@"%@ Skipping previously run migration: %@", self.logTag, migration);
} else {
DDLogWarn(@"%@ Running migration: %@", self.logTag, migration);
[migration runUpWithCompletion:checkMigrationCompletion];
}
}
}
@end
NS_ASSUME_NONNULL_END