Facebook Share

FacebookShare

+ (void)shareUsingFeedDialog:(NSString *)url completionBlock:(void (^)(NSError *))completion
{
    void (^shareBlock)() = ^void() {
        NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"http://8fit.com/workouts", @"link", nil];
        [FBWebDialogs presentFeedDialogModallyWithSession:nil
                                               parameters:params
                                                  handler:^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
                                                      if (error) {
                                                          DDLogError(@"Error sharing using feed dialog");
                                                          if (completion) {
                                                              completion(error);
                                                          }
                                                          [ProgressHUD showError:[NSLocalizedString(@"error sharing", nil) capitalizedString]];
                                                      }
                                                      else {
                                                          if (result == FBWebDialogResultDialogNotCompleted) {
                                                              DDLogError(@"User did cancel sharing using feed dialog");
                                                              if (completion) {
                                                                  completion(nil);
                                                              }
                                                          }
                                                          else {
                                                              // Handle the publish feed callback
                                                              NSDictionary *urlParams = [FacebookSharingController parseURLParams:[resultURL query]];
                                                              
                                                              if (![urlParams valueForKey:@"post_id"]) {
                                                                  // User cancelled.
                                                                  DDLogError(@"User did cancel sharing using feed dialog");
                                                                  if (completion) {
                                                                      completion(nil);
                                                                  }
                                                              }
                                                              else {
                                                                  // User clicked the Share button
                                                                  NSString *result = [NSString stringWithFormat: @"Posted story, id: %@", [urlParams valueForKey:@"post_id"]];
                                                                  DDLogError(@"User did share using feed dialog. %@", result);
                                                                  if (completion) {
                                                                      completion(nil);
                                                                  }
                                                                  [ProgressHUD showSuccess:[NSLocalizedString(@"post sent", nil) capitalizedString]];
                                                              }
                                                          }
                                                      }
                                                  }];

    };
    if (![FBSession activeSession] || ![[FBSession activeSession] isOpen]) {
        [FBSession openActiveSessionWithReadPermissions:[FacebookLoginController @[@"email", @"user_friends", @"public_profile"]] allowLoginUI:YES completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
            shareBlock();
        }];
    }
    else {
        shareBlock();
    }
}