filedownload

- (void)checkCalendar {
    if (!calendarFolder) {
        [self createDirForImage:@"CalendarFolder"];
    }

    if (calendarFolder) {
        [self numberOfImagesInCalendarDirectory];
        [self downloadedImageOnDevice];
        if (!serverAlreadyChecked) {
            [self currentImageOnServer];
        }
        if ((numberOfFilesInFolder != 1) || (downloadedImageOnDevice != currentImageOnServer)) {
            [self removeFileInCalendarFolder];
            [self downloadCalendarImage];
        }
    }
}