ios开发 升级App

//
// CWLSynthesizeSingleton.h
// CocoaWithLove
//
// Created by Matt Gallagher on 2011/08/23.
// Copyright (c) 2011 Matt Gallagher. All rights reserved.
//
// Permission is given to use this source code file, free of charge, in any
// project, commercial or otherwise, entirely at your risk, with the condition
// that any redistribution (in part or whole) of source code must retain
// this copyright and permission notice. Attribution in compiled projects is
// appreciated but not required.
//

#import <objc/runtime.h>

#define CWL_DECLARE_SINGLETON_FOR_CLASS_WITH_ACCESSOR(classname, accessorMethodName) \
+ (classname *)accessorMethodName;

#if __has_feature(objc_arc)
#define CWL_SYNTHESIZE_SINGLETON_RETAIN_METHODS
#else
#define CWL_SYNTHESIZE_SINGLETON_RETAIN_METHODS \
- (id)retain \
{ \
return self; \
} \
\
- (NSUInteger)retainCount \
{ \
return NSUIntegerMax; \
} \
\
- (oneway void)release \
{ \
} \
\
- (id)autorelease \
{ \
return self; \
}
#endif

#define CWL_SYNTHESIZE_SINGLETON_FOR_CLASS_WITH_ACCESSOR(classname, accessorMethodName) \
\
static classname *accessorMethodName##Instance = nil; \
\
+ (classname *)accessorMethodName \
{ \
@synchronized(self) \
{ \
if (accessorMethodName##Instance == nil) \
{ \
accessorMethodName##Instance = [super allocWithZone:NULL]; \
accessorMethodName##Instance = [accessorMethodName##Instance init]; \
method_exchangeImplementations(\
class_getClassMethod([accessorMethodName##Instance class], @selector(accessorMethodName)),\
class_getClassMethod([accessorMethodName##Instance class], @selector(cwl_lockless_##accessorMethodName)));\
method_exchangeImplementations(\
class_getInstanceMethod([accessorMethodName##Instance class], @selector(init)),\
class_getInstanceMethod([accessorMethodName##Instance class], @selector(cwl_onlyInitOnce)));\
} \
} \
\
return accessorMethodName##Instance; \
} \
\
+ (classname *)cwl_lockless_##accessorMethodName \
{ \
return accessorMethodName##Instance; \
} \
\
+ (id)allocWithZone:(NSZone *)zone \
{ \
return [self accessorMethodName]; \
} \
\
- (id)copyWithZone:(NSZone *)zone \
{ \
return self; \
} \
- (id)cwl_onlyInitOnce \
{ \
return self;\
} \
\
CWL_SYNTHESIZE_SINGLETON_RETAIN_METHODS

#define CWL_DECLARE_SINGLETON_FOR_CLASS(classname) CWL_DECLARE_SINGLETON_FOR_CLASS_WITH_ACCESSOR(classname, shared##classname)

#define CWL_SYNTHESIZE_SINGLETON_FOR_CLASS(classname) CWL_SYNTHESIZE_SINGLETON_FOR_CLASS_WITH_ACCESSOR(classname, shared##classname)

//
// PSUpdateApp.h
// PSUpdateApp
//
// Created by iBo on 18/02/13.
// Copyright (c) 2013 D-Still. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "CWLSynthesizeSingleton.h"

typedef void(^PSUpdateAppCompletionBLock)(NSError *error, BOOL success, id JSON);

typedef enum {
DefaultStrategy = 0,
ForceStrategy,
RemindStrategy
} UpdateStrategy;

@interface PSUpdateApp : NSObject

CWL_DECLARE_SINGLETON_FOR_CLASS(PSUpdateApp)

@property (nonatomic) NSString *appID, *appStoreLocation, *appName, *route, *updatePageUrl;
@property (nonatomic) UpdateStrategy strategy;
@property (nonatomic) int daysUntilPrompt;
@property (nonatomic) NSDate *remindDate;

+ (id) startWithRoute:(NSString *)route;
+ (id) startWithAppID:(NSString *)appId;
+ (id) startWithAppID:(NSString *)appId store:(NSString *)store;

- (void) detectAppVersion:(PSUpdateAppCompletionBLock)completionBlock;
- (void) setURLAdHoc:(NSString *)url;

@end

//
// PSUpdateApp.m
// PSUpdateApp
//
// Created by iBo on 18/02/13.
// Copyright (c) 2013 D-Still. All rights reserved.
//

#ifndef PSUdateAppLocalizedStrings
#define PSUdateAppLocalizedStrings(key) \
NSLocalizedStringFromTable(key, @"PSUdateApp", nil)
#endif

#import "PSUpdateApp.h"
#import <AFNetworking/AFNetworking.h>

#define APPLE_URL @"http://itunes.apple.com/lookup?"

#define kCurrentAppVersion [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"]

@interface PSUpdateApp () <UIAlertViewDelegate> {
NSString *_newVersion;
}
@end

@implementation PSUpdateApp

CWL_SYNTHESIZE_SINGLETON_FOR_CLASS(PSUpdateApp)

+ (id) startWithRoute:(NSString *)route
{
return [[self alloc] initWithAppID:nil store:nil route:route];
}

+ (id) startWithAppID:(NSString *)appId store:(NSString *)store
{
return [[self alloc] initWithAppID:appId store:store route:nil];
}

+ (id) startWithAppID:(NSString *)appId
{
return [[self alloc] initWithAppID:appId store:nil route:nil];
}

- (id) initWithAppID:(NSString *)appId store:(NSString *)store route:(NSString *)route
{
self = [super init];

if ( self ) {
[self setAppName:[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"]];
[self setStrategy:DefaultStrategy];
[self setAppID:appId];
[self setAppStoreLocation: store ? store : [[NSLocale currentLocale] objectForKey: NSLocaleCountryCode]];
[self setDaysUntilPrompt:2];
[self setRoute:route];
}

return self;
}

- (void) detectAppVersion:(PSUpdateAppCompletionBLock)completionBlock
{
if ( _strategy == RemindStrategy && [self remindDate] != nil && ![self checkConsecutiveDays] )
return;

NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:[self setJsonURL]]];
[request setHTTPMethod:@"GET"];

AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request
success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
if ( [self isNewVersion:JSON] ) {
if ( completionBlock && ![self isSkipVersion] ) {
completionBlock(nil, YES, JSON);
} else if ( ![self isSkipVersion] ) {
[self showAlert];
} else {
if ( completionBlock )
completionBlock(nil, NO, JSON);
}
} else {
if ( completionBlock )
completionBlock(nil, NO, JSON);
}
}
failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) {
if ( completionBlock && ![self isSkipVersion] )
completionBlock(error, NO, nil);
}];
[operation start];
}

- (NSString *) setJsonURL
{
return self.route ? self.route : [NSString stringWithFormat:@"%@id=%@&country=%@", APPLE_URL, self.appID, self.appStoreLocation];
}

- (void) setURLAdHoc:(NSString *)url
{
[self setRoute:[NSString stringWithFormat:url, self.appStoreLocation]];
}

#pragma mark - Check version

- (BOOL) isNewVersion:(NSDictionary *)dictionary
{
if ( [[dictionary objectForKey:@"results"] count] > 0 ) {
_newVersion = [[[dictionary objectForKey:@"results"] objectAtIndex:0] objectForKey:@"version"];
[self setUpdatePageUrl:[[[dictionary objectForKey:@"results"] objectAtIndex:0] objectForKey:@"trackViewUrl"]];

if ([[[dictionary objectForKey:@"results"] objectAtIndex:0] objectForKey:@"type"]) {
[self setStrategy: [[[[dictionary objectForKey:@"results"] objectAtIndex:0] objectForKey:@"type"] isEqualToString:@"mandatory"] ? ForceStrategy : DefaultStrategy];
}

return [kCurrentAppVersion compare:_newVersion options:NSNumericSearch] == NSOrderedAscending;
}

return NO;
}

- (BOOL) isSkipVersion
{
return [[[NSUserDefaults standardUserDefaults] objectForKey:@"skipVersion"] isEqualToString:_newVersion];
}

#pragma mark - remindDate getter / setter

- (NSDate *) remindDate
{
return [[NSUserDefaults standardUserDefaults] objectForKey:@"remindDate"];
}

- (void) setRemindDate:(NSDate *)remindDate
{
[[NSUserDefaults standardUserDefaults] setObject:[NSDate date] forKey:@"remindDate"];
[[NSUserDefaults standardUserDefaults] synchronize];
}

#pragma mark - Show alert

- (void) showAlert
{
switch ( self.strategy ) {
case DefaultStrategy:
default:
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:PSUdateAppLocalizedStrings(@"alert.success.title")
message:[NSString stringWithFormat:PSUdateAppLocalizedStrings(@"alert.success.default.text"), self.appName, _newVersion]
delegate:self
cancelButtonTitle:PSUdateAppLocalizedStrings(@"alert.button.skip")
otherButtonTitles:PSUdateAppLocalizedStrings(@"alert.button.update"), nil];
[alertView show];
}
break;

case ForceStrategy:
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:PSUdateAppLocalizedStrings(@"alert.success.title")
message:[NSString stringWithFormat:PSUdateAppLocalizedStrings(@"alert.success.force.text"), self.appName, _newVersion]
delegate:self
cancelButtonTitle:PSUdateAppLocalizedStrings(@"alert.button.update")
otherButtonTitles:nil, nil];
[alertView show];
}
break;

case RemindStrategy:
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:PSUdateAppLocalizedStrings(@"alert.success.title")
message:[NSString stringWithFormat:PSUdateAppLocalizedStrings(@"alert.success.remindme.text"), _appName, _newVersion]
delegate:self
cancelButtonTitle:PSUdateAppLocalizedStrings(@"alert.button.skip")
otherButtonTitles:PSUdateAppLocalizedStrings(@"alert.button.update"), PSUdateAppLocalizedStrings(@"alert.button.remindme"), nil];
[alertView show];
}
break;
}
}


#pragma mark - UIAlertViewDelegate Methods

- (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
switch ( self.strategy ) {
case DefaultStrategy:
default:
{
if ( buttonIndex == 0 ) {
[[NSUserDefaults standardUserDefaults] setObject:_newVersion forKey:@"skipVersion"];
[[NSUserDefaults standardUserDefaults] synchronize];
} else {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:self.updatePageUrl]];
}
}

break;

case ForceStrategy:
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:self.updatePageUrl]];
break;

case RemindStrategy:
{
if ( buttonIndex == 0 ) {
[[NSUserDefaults standardUserDefaults] setObject:_newVersion forKey:@"skipVersion"];
[[NSUserDefaults standardUserDefaults] synchronize];
} else if ( buttonIndex == 1 ) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:self.updatePageUrl]];
} else {
[self setRemindDate:[NSDate date]];
}
}

break;
}
}

#pragma mark - Check if have passed

- (BOOL) checkConsecutiveDays
{
NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];

NSDate *today = [NSDate date];

NSDate *dateToRound = [[self remindDate] earlierDate:today];
NSDateComponents * dateComponents = [gregorian components:NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit
fromDate:dateToRound];

NSDate *roundedDate = [gregorian dateFromComponents:dateComponents];
NSDate *otherDate = (dateToRound == [self remindDate]) ? today : [self remindDate] ;
NSInteger diff = abs([roundedDate timeIntervalSinceDate:otherDate]);
NSInteger daysDifference = floor(diff/(24 * 60 * 60));

return daysDifference >= _daysUntilPrompt;
}

@end