/**
*
* Downloads the latest ushahidi file.
* Extracts the compressed folder.
* Delete the folders that needs to be preserved.
* Delete the downloaded ushahidi file.
* Delete the extracted ushahidi file.
*
*/
private function _do_upgrade()
{
$upgrade = new Upgrade();
$url = "http://download.ushahidi.com/ushahidi.zip";
$working_dir = "media/uploads/";
$zip_file = "media/uploads/ushahidi.zip";
//download the latest ushahidi
$latest_ushahidi = $upgrade->download_ushahidi($url);
//download went successful
if ($upgrade->success) {
$upgrade->write_to_file($latest_ushahidi, $zip_file);
}
//extract compressed file
if ($upgrade->success) {
$upgrade->unzip_ushahidi($zip_file, $working_dir);
}
if ($upgrade->success) {
//remove delete database.php and config.php files. we don't want to overwrite them.
unlink($working_dir . "ushahidi/application/config/database.php");
unlink($working_dir . "ushahidi/application/config/config.php");
$upgrade->remove_recursively($working_dir . "ushahidi/application/cache");
$upgrade->remove_recursively($working_dir . "ushahidi/application/logs");
$upgrade->remove_recursively($working_dir . "ushahidi/media/uploads");
}
if ($upgrade->success) {
$upgrade->log[] = sprintf("Copying files...");
$upgrade->copy_recursively($working_dir . "ushahidi", ".");
$upgrade->log[] = sprintf("Successfully copied files");
}
if ($upgrade->success) {
$upgrade->log[] = sprintf("Upgrading tables...");
if ($this->_upgrade_tables()) {
$upgrade->log[] = sprintf("Tables upgrade went successful");
} else {
$upgrade->errors[] = sprintf("Tables upgrade failed");
}
}
if ($upgrade->success) {
$upgrade->remove_recursively($working_dir . "ushahidi");
unlink($zip_file);
$upgrade->log[] = sprintf("Upgrade went successful.");
}
return $upgrade;
}
