mods/atsocial_iphone_app/Classes/CommonFunctions.m

   1 //
   2 //  CommonFunctions.m
   3 //  ATutor
   4 //
   5 //  Created by Quang Anh Do on 30/05/2010.
   6 //  Copyright 2010 Quang Anh Do. All rights reserved.
   7 //
   8
   9 #import "CommonFunctions.h"
  10
  11 #import <SystemConfiguration/SystemConfiguration.h>
  12 #import "SFHFKeychainUtils.h"
  13
  14 @implementation CommonFunctions
  15
  16 void alertMessage(NSString *title, NSString *message) {
  17         UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:TTLocalizedString(title, @"")
  18                                                                                                                 message:TTLocalizedString(message, @"")
  19                                                                                                            delegate:nil cancelButtonTitle:TTLocalizedString(@"OK", @"") otherButtonTitles:nil];
  20         [alertView show];
  21         [alertView release];
  22 }
  23
  24 BOOL dataSourceAvailable() {
  25         Boolean success;
  26         const char *host_name = "www.google.com";
  27
  28         SCNetworkReachabilityRef reachability = SCNetworkReachabilityCreateWithName(NULL, host_name);
  29         SCNetworkReachabilityFlags flags;
  30         success = SCNetworkReachabilityGetFlags(reachability, &flags);
  31         BOOL _isDataSourceAvailable = success && (flags & kSCNetworkFlagsReachable) && !(flags & kSCNetworkFlagsConnectionRequired);
  32         CFRelease(reachability);
  33
  34     return _isDataSourceAvailable;
  35 }
  36
  37 NSString *applicationDocumentsDirectory() {
  38         return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
  39 }
  40
  41 BOOL isLoggedIn() {
  42         return ![[SFHFKeychainUtils getPasswordForUsername:@"accessToken" andServiceName:kATutor error:nil] isEqualToString:@""]
  43         && ![[SFHFKeychainUtils getPasswordForUsername:@"requestToken" andServiceName:kATutor error:nil] isEqualToString:@""];
  44 }
  45
  46 NSString *shortLinkToContact(int id) {
  47         return [NSString stringWithFormat:@"atutor://contact/%d", id];
  48 }
  49
  50 NSString *linkToContact(int id, NSString *name) {
  51         return [NSString stringWithFormat:@"atutor://contact/%d/%@", id, [name stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
  52 }
  53
  54 NSString *rewriteURLStrings(NSString *content) {
  55         NSMutableString *retVal = [NSMutableString stringWithString:content];
  56
  57         // Links to contacts
  58         [retVal replaceOccurrencesOfString:[NSString stringWithFormat:@"%@/mods/_standard/social/sprofile.php?id=", kATutorURL]
  59                                                         withString:@"atutor://contact/"
  60                                                            options:NSCaseInsensitiveSearch
  61                                                                  range:NSMakeRange(0, [retVal length])];
  62
  63         return retVal;
  64 }
  65
  66 NSString *niceTimeString(NSString *timeString) {
  67         NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc] init] autorelease];
  68         [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
  69
  70         NSDate *date = [dateFormatter dateFromString:timeString];
  71         [dateFormatter setDateStyle:NSDateFormatterShortStyle];
  72
  73         return [dateFormatter stringFromDate:date];
  74 }
  75
  76 @end