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//
// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
//
#import "AppVersion.h"
#import "NSUserDefaults+OWS.h"
#import <SessionProtocolKit/SessionProtocolKit.h>
NS_ASSUME_NONNULL_BEGIN
NSString *const kNSUserDefaults_FirstAppVersion = @"kNSUserDefaults_FirstAppVersion";
NSString *const kNSUserDefaults_LastAppVersion = @"kNSUserDefaults_LastVersion";
NSString *const kNSUserDefaults_LastCompletedLaunchAppVersion = @"kNSUserDefaults_LastCompletedLaunchAppVersion";
NSString *const kNSUserDefaults_LastCompletedLaunchAppVersion_MainApp
= @"kNSUserDefaults_LastCompletedLaunchAppVersion_MainApp";
NSString *const kNSUserDefaults_LastCompletedLaunchAppVersion_SAE
= @"kNSUserDefaults_LastCompletedLaunchAppVersion_SAE";
@interface AppVersion ()
@property (atomic) NSString *firstAppVersion;
@property (atomic, nullable) NSString *lastAppVersion;
@property (atomic) NSString *currentAppVersion;
@property (atomic, nullable) NSString *lastCompletedLaunchAppVersion;
@property (atomic, nullable) NSString *lastCompletedLaunchMainAppVersion;
@property (atomic, nullable) NSString *lastCompletedLaunchSAEAppVersion;
@end
#pragma mark -
@implementation AppVersion
+ (instancetype)sharedInstance
{
static AppVersion *instance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [AppVersion new];
[instance configure];
});
return instance;
}
- (void)configure {
OWSAssertIsOnMainThread();
self.currentAppVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
// The version of the app when it was first launched.
// nil if the app has never been launched before.
self.firstAppVersion = [[NSUserDefaults appUserDefaults] objectForKey:kNSUserDefaults_FirstAppVersion];
// The version of the app the last time it was launched.
// nil if the app has never been launched before.
self.lastAppVersion = [[NSUserDefaults appUserDefaults] objectForKey:kNSUserDefaults_LastAppVersion];
self.lastCompletedLaunchAppVersion =
[[NSUserDefaults appUserDefaults] objectForKey:kNSUserDefaults_LastCompletedLaunchAppVersion];
self.lastCompletedLaunchMainAppVersion =
[[NSUserDefaults appUserDefaults] objectForKey:kNSUserDefaults_LastCompletedLaunchAppVersion_MainApp];
self.lastCompletedLaunchSAEAppVersion =
[[NSUserDefaults appUserDefaults] objectForKey:kNSUserDefaults_LastCompletedLaunchAppVersion_SAE];
// Ensure the value for the "first launched version".
if (!self.firstAppVersion) {
self.firstAppVersion = self.currentAppVersion;
[[NSUserDefaults appUserDefaults] setObject:self.currentAppVersion forKey:kNSUserDefaults_FirstAppVersion];
}
// Update the value for the "most recently launched version".
[[NSUserDefaults appUserDefaults] setObject:self.currentAppVersion forKey:kNSUserDefaults_LastAppVersion];
[[NSUserDefaults appUserDefaults] synchronize];
// The long version string looks like an IPv4 address.
// To prevent the log scrubber from scrubbing it,
// we replace . with _.
NSString *longVersionString = [[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"]
stringByReplacingOccurrencesOfString:@"."
withString:@"_"];
OWSLogInfo(@"firstAppVersion: %@", self.firstAppVersion);
OWSLogInfo(@"lastAppVersion: %@", self.lastAppVersion);
OWSLogInfo(@"currentAppVersion: %@ (%@)", self.currentAppVersion, longVersionString);
OWSLogInfo(@"lastCompletedLaunchAppVersion: %@", self.lastCompletedLaunchAppVersion);
OWSLogInfo(@"lastCompletedLaunchMainAppVersion: %@", self.lastCompletedLaunchMainAppVersion);
OWSLogInfo(@"lastCompletedLaunchSAEAppVersion: %@", self.lastCompletedLaunchSAEAppVersion);
}
- (void)appLaunchDidComplete
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"appLaunchDidComplete");
self.lastCompletedLaunchAppVersion = self.currentAppVersion;
// Update the value for the "most recently launch-completed version".
[[NSUserDefaults appUserDefaults] setObject:self.currentAppVersion
forKey:kNSUserDefaults_LastCompletedLaunchAppVersion];
[[NSUserDefaults appUserDefaults] synchronize];
}
- (void)mainAppLaunchDidComplete
{
OWSAssertIsOnMainThread();
self.lastCompletedLaunchMainAppVersion = self.currentAppVersion;
[[NSUserDefaults appUserDefaults] setObject:self.currentAppVersion
forKey:kNSUserDefaults_LastCompletedLaunchAppVersion_MainApp];
[self appLaunchDidComplete];
}
- (void)saeLaunchDidComplete
{
OWSAssertIsOnMainThread();
self.lastCompletedLaunchSAEAppVersion = self.currentAppVersion;
[[NSUserDefaults appUserDefaults] setObject:self.currentAppVersion
forKey:kNSUserDefaults_LastCompletedLaunchAppVersion_SAE];
[self appLaunchDidComplete];
}
- (BOOL)isFirstLaunch
{
return self.firstAppVersion != nil;
}
@end
NS_ASSUME_NONNULL_END