/**
* runs the actual import
*
* @return Ambigous AMA_Error on error |array recpArray on success
*
* @access public
*/
public function runImport()
{
$count = 0;
$zipFileName = ADA_UPLOAD_PATH . $this->_importFile;
$zip = new ZipArchive();
if ($zip->open($zipFileName)) {
$XMLfile = $zip->getFromName(XML_EXPORT_FILENAME);
$XMLObj = new SimpleXMLElement($XMLfile);
$this->_progressResetValues(substr_count($XMLfile, '</nodo>') + substr_count($XMLfile, '<survey ') + substr_count($XMLfile, '</test>'));
foreach ($XMLObj as $objName => $course) {
// first level object must be 'modello_corso'
if ($objName === 'modello_corso') {
$count++;
// get the attributes as local vars
// e.g. attributed exportedId=107 becomes
// a local var named $exportedId, initialized to 107 as a string
foreach ($course->attributes() as $name => $val) {
${$name} = (string) $val;
}
// as a result of this foreach we have a php var for any XML object attribute
// var_dump ($exportedId); should neither raise an error nor dump a null value.
$this->_courseOldID = $exportedId;
/**
* sets the log file name that will be used from now on!
*/
$this->_logFile = MODULES_IMPEXPORT_LOGDIR . "import-" . $this->_courseOldID . "_" . date('d-m-Y_His') . ".log";
$this->_logMessage('**** IMPORT STARTED at ' . date('d/m/Y H:i:s') . '(timestamp: ' . $this->_dh->date_to_ts('now') . ') ****');
$this->_progressSetTitle((string) $course->titolo);
/**
* ADDS THE COURSE TO THE APPROPIATE TABLES
*/
if (!self::$_DEBUG) {
if (is_null($this->_selectedCourseID)) {
$courseNewID = $this->_add_course($course);
/**
* this is a new course you want, first node
* is going to be the root of the course (i.e. zero)
* Setting selectedNodeID will make the running code
* do the trick!
*/
$this->_selectedNodeID = null;
} else {
$courseNewID = $this->_selectedCourseID;
}
if (AMA_DB::isError($courseNewID)) {
return $courseNewID;
}
} else {
$courseNewID = 123 * $count;
}
/**
* NOW ADD NODES, TESTS AND SURVEYS
*/
foreach ($this->_specialNodes as $groupName) {
$method = '_import' . ucfirst(strtolower($groupName));
$this->_logMessage(__METHOD__ . ' Saving ' . $groupName . ' by calling method: ' . $method);
if ($groupName === 'tests' || $groupName === 'surveys') {
// prepares the mapping array by emptying it
if ($groupName === 'tests') {
if (isset($this->_testNodeIDMapping)) {
unset($this->_testNodeIDMapping);
}
$this->_testNodeIDMapping = array();
}
// prepares the test data handler
$this->_dh->disconnect();
$this->_dh = AMATestDataHandler::instance(MultiPort::getDSN($this->_selectedTester));
}
/**
* calls a method named _import<groupName> foreach special node.
* e.g. for nodes it will call _importNodi, for tests _importTests....
*/
if (method_exists($this, $method) && !empty($course->{$groupName})) {
$specialVal = $this->{$method}($course->{$groupName}, $courseNewID);
// if it's an error return it right away
if (AMA_DB::isError($specialVal)) {
$this->_logMessage(__METHOD__ . ' Error saving ' . $groupName . '. DB returned the following:');
$this->_logMessage(print_r($specialVal, true));
return $specialVal;
} else {
$this->_logMessage(__METHOD__ . ' Saving ' . $groupName . ' successfully ended');
$this->_recapArray[$courseNewID][$groupName] = $specialVal;
}
}
if ($groupName === 'nodi') {
// save all the links and clean the array
$this->_saveLinks($courseNewID);
// after links have been saved, update inernal links pseudo html in proper nodes
$this->_updateInternalLinksInNodes($courseNewID);
} else {
if ($groupName === 'tests' || $groupName === 'surveys') {
// restores the import/export data handler
$this->_dh->disconnect();
$this->_dh = AMAImpExportDataHandler::instance(MultiPort::getDSN($this->_selectedTester));
if ($groupName === 'tests') {
$this->_updateTestLinksInNodes($courseNewID);
}
}
}
}
// $this->_updateTestLinksInNodes ( $courseNewID );
}
// if ($objName === 'modello_corso')
$this->_logMessage('**** IMPORT ENDED at ' . date('d/m/Y H:i:s') . '(timestamp: ' . $this->_dh->date_to_ts('now') . ') ****');
$this->_logMessage('If there\'s no zip log below, this is a multi course import: pls find unzip log at the end of the last course log');
}
// foreach ($XMLObj as $objName=>$course)
// extract the zip files to the appropriate media dir
$this->_unzipToMedia($zip);
$zip->close();
if (!self::$_DEBUG) {
unlink($zipFileName);
}
}
$this->_progressDestroy();
return $this->_recapArray;
}
