IHMUserWSManagerClass.php
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<?php
/**
* @class IHMUserWSManagerClass
* @brief Manager for IHM user workspace
* @details
*/
class IHMUserWSManagerClass
{
private static $WS_VERSION = 1;
protected $wsInfo = null;
public function init()
{
//check user workspace
if (IHMConfigClass::getUserName() == "" || !is_dir(IHMConfigClass::getUserPath()))
throw new Exception('Cannot find user workspace.');
//Load info about WS
if (!$this->loadWSInfoFile())
throw new Exception('Error to load workspace info file.');
//Update WS if need
if (!$this->update())
throw new Exception('Error during user workspace conversion.');
return TRUE;
}
public function update()
{
while (IHMUserWSManagerClass::$WS_VERSION > $this->wsInfo['version']) {
$updateMethod = "updateFromVersion".$this->wsInfo['version'];
if (method_exists($this,$updateMethod)) {
if (!$this->{$updateMethod}()) {
return FALSE;
}
}
$this->wsInfo['version'] += 1;
if (!$this->saveWSInfoFile()) {
return FALSE;
}
}
return TRUE;
}
private function loadWSInfoFile()
{
if (file_exists(IHMConfigClass::getUserWSInfoFilePath())) {
$infoContent = file_get_contents(IHMConfigClass::getUserWSInfoFilePath());
if (empty($infoContent)) {
return FALSE;
}
$this->wsInfo = json_decode($infoContent, TRUE);
if (empty($this->wsInfo)) {
return FALSE;
}
return TRUE;
}
//Init info file
$this->wsInfo = array(
"version" => 0,
);
return $this->saveWSInfoFile();
}
private function saveWSInfoFile()
{
if (empty($this->wsInfo)) {
return FALSE;
}
$json_data = json_encode($this->wsInfo);
if ($json_data === FALSE) {
return FALSE;
}
return file_put_contents(IHMConfigClass::getUserWSInfoFilePath(),$json_data);
}
private function updateFromVersion0() {
// This update split plot requests
// Load user requests file
$req_mgr_file_path = IHMConfigClass::getUserRequestManagerFilePath();
if (!file_exists($req_mgr_file_path)) {
return TRUE;
}
$dom = new DOMDocument();
if (!$dom->load($req_mgr_file_path)) {
return FALSE;
}
// Retrieve all plot requests and last request id
$plot_requests = array();
$last_id = 0;
foreach ($dom->getElementsByTagName('request') as $requestNode) {
$request_id = $requestNode->getAttribute("xml:id");
$plot_requests[$request_id] = $requestNode;
sscanf($request_id, "req_%d", $crt_id);
if ($crt_id > $last_id) {
$last_id = $crt_id;
}
}
if (empty($plot_requests)) {
//No plot requests
return TRUE;
}
// Split requests
foreach ($plot_requests as $id => $node) {
$req_data_path = IHMConfigClass::getStoredRequestPath() . $id;
if (!file_exists($req_data_path)) {
continue;
}
$req_data_content = file_get_contents($req_data_path);
if (!$req_data_content) {
continue;
}
$req_data_json = json_decode($req_data_content);
if (!$req_data_json) {
continue;
}
// ToDo
}
return TRUE;
}
}