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//
// Statistics.m
// VKPC
//
// Created by Eugene on 11/12/14.
// Copyright (c) 2014 Eugene Z. All rights reserved.
//
#import "Statistics.h"
@implementation Statistics {
NSMutableData *responseData;
}
static BOOL initialized = NO;
static Statistics *instance;
static NSTimer *timer;
static const float kNormalTimeout = 3600 * 6;
static const float kAfterFailureTimeout = 1200;
+ (void)initialize {
if (initialized) {
return;
}
instance = [[Statistics alloc] init];
long ts = GetTimestamp();
long reported = [[NSUserDefaults standardUserDefaults] integerForKey:VKPCPreferencesStatisticReportedTimestamp];
// NSLog(@"[Statistics initialize] ts=%ld, reported=%ld", ts, reported);
if (reported == 0 || ts - reported >= kNormalTimeout) {
// NSLog(@"[Statistics initalize] report now");
[self report];
} else {
[self initializeTimerWithTimeout:kNormalTimeout - (ts - reported)];
}
initialized = YES;
}
//+ (void)timerCallback:(NSTimer *)timer {
// long ts = GetTimestamp();
// long reported = [[NSUserDefaults standardUserDefaults] integerForKey:VKPCPreferencesStatisticReportedTimestamp];
//
// NSLog(@"[Statistics timerCallback] ts=%ld, reported=%ld", ts, reported);
//
// if (ts - reported >= 3600 * 8) {
// [self report];
// } else {
// [self initializeTimerWithTimeout:kNormalTimeout];
// }
//}
+ (void)initializeTimerWithTimeout:(float)timeout {
if (timer != nil) {
[timer invalidate];
timer = nil;
}
timer = [NSTimer scheduledTimerWithTimeInterval:timeout
target:[Statistics class]
selector:@selector(report)
userInfo:nil
repeats:NO];
}
+ (void)report {
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]
initWithURL:[NSURL URLWithString:@"https://ch1p.com/vkpc/usage.php"]];
NSString *postData = [NSString stringWithFormat:@"app_v=%@&osx_v=%@&uuid=%@", getAppVersion(), getOSXVersion(), getUUID()];
[request setHTTPMethod:@"POST"];
[request setHTTPBody:[postData dataUsingEncoding:NSUTF8StringEncoding]];
[instance mrProper];
[[NSURLConnection alloc] initWithRequest:request delegate:instance];
}
+ (void)requestDone:(NSData *)data {
NSError *error;
NSArray *json = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&error];
if (error || !json) {
NSLog(@"[Statistics requestDone] error while parsing json: %@", error);
[self initializeTimerWithTimeout:kAfterFailureTimeout];
return;
}
NSString *result = json[0];
NSLog(@"[Statistics requestDone] result: %@", result);
if ([result isEqualToString:@"ok"]) {
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithInteger:GetTimestamp()] forKey:VKPCPreferencesStatisticReportedTimestamp];
[self initializeTimerWithTimeout:kNormalTimeout];
} else {
[self initializeTimerWithTimeout:kAfterFailureTimeout];
}
}
+ (void)requestFailed:(NSError *)error {
NSLog(@"[Statistics requestFailed] error: %@", [error description]);
[self initializeTimerWithTimeout:kAfterFailureTimeout];
}
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
responseData = [[NSMutableData alloc] init];
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
[responseData appendData:data];
}
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
[Statistics requestFailed:error];
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
[Statistics requestDone:responseData];
}
- (void)mrProper {
responseData = nil;
}
static NSString *getAppVersion() {
return [[[NSBundle mainBundle] infoDictionary] objectForKey:kCFBundleVersion];
}
static NSString *getOSXVersion() {
SInt32 major, minor, bugfix;
Gestalt(gestaltSystemVersionMajor, &major);
Gestalt(gestaltSystemVersionMinor, &minor);
Gestalt(gestaltSystemVersionBugFix, &bugfix);
return [NSString stringWithFormat:@"%d.%d.%d", major, minor, bugfix];
}
static NSString *getUUID() {
return [[NSUserDefaults standardUserDefaults] stringForKey:VKPCPreferencesUUID];
}
@end
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