This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Inheritance diagram for ilAdvancedMDRecordParser:

Collaboration diagram for ilAdvancedMDRecordParser:

Public Member Functions
	__construct (string $a_file)

	setMode (int $a_mode)

	getMode ()

	startParsing ()

	setHandlers ($a_xml_parser)
	set event handlers More...

	setContext (int $a_obj_id, string $a_obj_type, ?string $a_sub_type=null)

	getRecordMap ()

Public Member Functions inherited from ilSaxParser
	__construct (?string $path_to_file='', ?bool $throw_exception=false)

	setXMLContent (string $a_xml_content)

	getXMLContent ()

	getInputType ()

	startParsing ()
	stores xml data in array More...

	createParser ()

	setHandlers ($a_xml_parser)

	parse ($a_xml_parser, $a_fp=null)

Data Fields
const	MODE_UNDEFINED = 0

const	MODE_UPDATE = 1

const	MODE_INSERT = 2

const	MODE_UPDATE_VALIDATION = 3

const	MODE_INSERT_VALIDATION = 4

Data Fields inherited from ilSaxParser
string	$xml_file

bool	$throw_exception = false

Protected Member Functions
	handlerBeginTag ($a_xml_parser, $a_name, $a_attribs)
	Handler for start tags protected. More...

	handlerEndTag ($a_xml_parser, $a_name)
	Handler for end tags protected. More...

	handlerCharacterData ($a_xml_parser, string $a_data)
	handler for character data More...

Protected Member Functions inherited from ilSaxParser
	openXMLFile ()

	handleError (string $message)

	setThrowException (bool $throw_exception)

Protected Attributes
array	$context

array	$scopes = []

array	$translations = []

string	$translation_language = ''

array	$field_translations = []

string	$field_translation_language = ''

ilAdvancedMDRecord	$current_record = null

ilAdvancedMDFieldDefinition	$current_field = null

string	$cdata = ''

ilLogger	$log

Protected Attributes inherited from ilSaxParser
ilLanguage	$lng = null

Private Member Functions
	initRecordObject (string $a_id)

	initFieldObject (int $a_id, string $a_type)
	Init field definition object. More...

	getCurrentRecord ()

	getCurrentField ()

	extractRecordId (string $a_id_string)

	appendErrorMessage (string $a_msg)

	storeRecords ()

Private Attributes
int	$mode = self::MODE_UNDEFINED

array	$fields = []

bool	$is_error = false

array	$error_msg = []

string	$field_value_id = ''

array	$rec_map

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning SAX based XML parser for record import files

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Todo:: remove update mode completely

Definition at line 27 of file class.ilAdvancedMDRecordParser.php.

Constructor & Destructor Documentation

◆ __construct()

ilAdvancedMDRecordParser::__construct ( string $a_file )

Definition at line 60 of file class.ilAdvancedMDRecordParser.php.

References ILIAS\MetaData\Repository\Validation\Data\__construct(), and ilLoggerFactory\getLogger().

     {
         parent::__construct($a_file, true);
         $this->log = ilLoggerFactory::getLogger('amet');
     }

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Member Function Documentation

◆ appendErrorMessage()

ilAdvancedMDRecordParser::appendErrorMessage ( string $a_msg )

private

Definition at line 329 of file class.ilAdvancedMDRecordParser.php.

Referenced by handlerBeginTag().

                                                       : void
     {
         $this->is_error = true;
         $this->error_msg[] = $a_msg;
     }

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◆ extractRecordId()

ilAdvancedMDRecordParser::extractRecordId ( string $a_id_string )

private

Definition at line 320 of file class.ilAdvancedMDRecordParser.php.

References ilAdvancedMDRecord\_lookupRecordIdByImportId().

Referenced by initRecordObject().

                                                          : int
     {
         // first lookup import id
         if ($record_id = ilAdvancedMDRecord::_lookupRecordIdByImportId($a_id_string)) {
             return $record_id;
         }
         return 0;
     }

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◆ getCurrentField()

ilAdvancedMDRecordParser::getCurrentField ( )

private

Definition at line 315 of file class.ilAdvancedMDRecordParser.php.

References $current_field.

Referenced by handlerBeginTag(), and handlerEndTag().

                                       : ?ilAdvancedMDFieldDefinition
     {
         return $this->current_field;
     }

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◆ getCurrentRecord()

ilAdvancedMDRecordParser::getCurrentRecord ( )

private

Definition at line 310 of file class.ilAdvancedMDRecordParser.php.

References $current_record.

Referenced by handlerBeginTag(), handlerEndTag(), and storeRecords().

                                        : ?ilAdvancedMDRecord
     {
         return $this->current_record;
     }

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◆ getMode()

ilAdvancedMDRecordParser::getMode ( )

Definition at line 71 of file class.ilAdvancedMDRecordParser.php.

References $mode.

Referenced by initFieldObject(), initRecordObject(), and storeRecords().

                              : int
     {
         return $this->mode;
     }

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◆ getRecordMap()

ilAdvancedMDRecordParser::getRecordMap ( )

Definition at line 418 of file class.ilAdvancedMDRecordParser.php.

References $rec_map.

                                   : array
     {
         return $this->rec_map;
     }

◆ handlerBeginTag()

ilAdvancedMDRecordParser::handlerBeginTag	(	$a_xml_parser,
		$a_name,
		$a_attribs
	)

protected

Handler for start tags protected.

Definition at line 100 of file class.ilAdvancedMDRecordParser.php.

References $scope, ilObject\_exists(), appendErrorMessage(), getCurrentField(), getCurrentRecord(), IL_INST_ID, initFieldObject(), initRecordObject(), ILIAS\Repository\lng(), ilLanguage\lookupId(), and ilUtil\parseImportId().

                                                                           : void
     {
         switch ($a_name) {
             case 'AdvancedMetaDataRecords':
                 $this->is_error = false;
                 $this->error_msg = array();
                 // Nothing to do
                 break;
 
             case 'Scope':
                 $this->scopes = [];
                 break;
 
             case 'ScopeEntry':
                 $parsed_id = ilUtil::parseImportId($a_attribs['id']);
                 if (
                     $parsed_id['inst_id'] == IL_INST_ID &&
                     ilObject::_exists($parsed_id['id'], true, $parsed_id['type'])
                 ) {
                     $scope = new ilAdvancedMDRecordScope();
                     $scope->setRefId((int) $parsed_id['id']);
                     $this->scopes[] = $scope;
                 }
                 break;
 
             case 'Record':
                 $this->fields = array();
                 $this->current_field = null;
                 $this->current_record = null;
                 if (!strlen($a_attribs['id']) or !isset($a_attribs['active'])) {
                     $this->appendErrorMessage('Missing XML attribute for element "Record".');
                 }
                 if (!$this->initRecordObject((string) $a_attribs['id'])) {
                     $this->appendErrorMessage('Invalid attribute Id given for element "Record".');
                 }
                 $this->getCurrentRecord()->setActive((bool) $a_attribs['active']);
                 $this->getCurrentRecord()->setImportId($a_attribs['id']);
                 $this->getCurrentRecord()->setAssignedObjectTypes(array());
 
                 if (isset($a_attribs['defaultLanguage'])) {
                     $language = (string) $a_attribs['defaultLanguage'];
                     if (ilLanguage::lookupId($language)) {
                         $this->getCurrentRecord()->setDefaultLanguage($language);
                     }
                 } else {
                     $this->getCurrentRecord()->setDefaultLanguage($this->lng->getDefaultLanguage());
                 }
                 break;
 
             case 'RecordTranslations':
                 $this->translations = [];
                 $this->field_translations = [];
                 $this->getCurrentRecord()->setDefaultLanguage(
                     $a_attribs['defaultLanguage'] ?? $this->getCurrentRecord()->getDefaultLanguage()
                 );
                 break;
 
             case 'RecordTranslation':
                 $this->translation_language = $a_attribs['language'] ?? $this->lng->getDefaultLanguage();
                 break;
 
             case 'FieldTranslations':
                 $this->field_translations[$this->getCurrentField()->getImportId()] = [];
                 break;
 
             case 'FieldTranslation':
                 $this->field_translation_language = $a_attribs['language'] ?? $this->lng->getDefaultLanguage();
                 break;
 
             case 'Title':
                 break;
 
             case 'Field':
                 if (!strlen($a_attribs['id']) or !isset($a_attribs['searchable']) or !isset($a_attribs['fieldType'])) {
                     $this->appendErrorMessage('Missing XML attribute for element "Field".');
                 }
                 if (!$this->initFieldObject((int) $a_attribs['id'], (string) $a_attribs['fieldType'])) {
                     $this->appendErrorMessage('Invalid attribute Id given for element "Record".');
                 }
                 $this->getCurrentField()->setImportId($a_attribs['id']);
                 $this->getCurrentField()->setSearchable($a_attribs['searchable'] == 'Yes');
                 break;
 
             case 'FieldTitle':
             case 'FieldDescription':
             case 'FieldPosition':
             case 'FieldValue':
                 $this->field_value_id = (string) ($a_attribs['id'] ?? "");
                 break;
         }
     }

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◆ handlerCharacterData()

ilAdvancedMDRecordParser::handlerCharacterData	(		$a_xml_parser,
		string	$a_data
	)

protected

handler for character data

Parameters

resource	$a_xml_parser	xml parser
string	$a_data	character data

Definition at line 267 of file class.ilAdvancedMDRecordParser.php.

                                                                           : void
     {
         if ($a_data != "\n") {
             // Replace multiple tabs with one space
             $a_data = preg_replace("/\t+/", " ", $a_data);
 
             $this->cdata .= $a_data;
         }
     }

◆ handlerEndTag()

ilAdvancedMDRecordParser::handlerEndTag	(	$a_xml_parser,
		$a_name
	)

protected

Handler for end tags protected.

Definition at line 196 of file class.ilAdvancedMDRecordParser.php.

References $field_translation_language, $parts, $translation_language, getCurrentField(), getCurrentRecord(), and storeRecords().

                                                             : void
     {
         switch ($a_name) {
             case 'AdvancedMetaDataRecords':
                 break;
 
             case 'Record':
                 $this->storeRecords();
                 break;
 
             case 'Scope':
                 $this->getCurrentRecord()->setScopes($this->scopes);
                 break;
 
             case 'Title':
                 $this->getCurrentRecord()->setTitle(trim($this->cdata));
                 break;
 
             case 'Description':
                 $this->getCurrentRecord()->setDescription(trim($this->cdata));
                 break;
 
             case 'ObjectType':
                 // #12980
                 $parts = explode(":", trim($this->cdata));
                 $this->getCurrentRecord()->appendAssignedObjectType($parts[0], $parts[1]);
                 break;
 
             case 'Field':
                 break;
 
             case 'RecordTranslationTitle':
                 $this->translations[$this->translation_language]['title'] = trim($this->cdata);
                 break;
 
             case 'RecordTranslationDescription':
                 $this->translations[$this->translation_language]['description'] = trim($this->cdata);
                 break;
 
             case 'FieldTranslationTitle':
                 $this->field_translations[$this->getCurrentField()->getImportId()][$this->field_translation_language]['title'] = trim($this->cdata);
                 break;
 
             case 'FieldTranslationDescription':
                 $this->field_translations[$this->getCurrentField()->getImportId()][$this->field_translation_language]['description'] = trim($this->cdata);
                 break;
 
             case 'FieldTitle':
                 $this->getCurrentField()->setTitle(trim($this->cdata));
                 break;
 
             case 'FieldDescription':
                 $this->getCurrentField()->setDescription(trim($this->cdata));
                 break;
 
             case 'FieldPosition':
                 $this->getCurrentField()->setPosition((int) trim($this->cdata));
                 break;
 
             case 'FieldValue':
                 $this->getCurrentField()->importXMLProperty($this->field_value_id, trim($this->cdata));
                 break;
         }
         $this->cdata = '';
     }

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◆ initFieldObject()

ilAdvancedMDRecordParser::initFieldObject	(	int	$a_id,
		string	$a_type
	)

private

Init field definition object.

Definition at line 294 of file class.ilAdvancedMDRecordParser.php.

References $current_field, ilAdvancedMDFieldDefinition\getInstanceByTypeString(), and getMode().

Referenced by handlerBeginTag().

     {
         switch ($this->getMode()) {
             case self::MODE_INSERT:
             case self::MODE_INSERT_VALIDATION:
                 $this->current_field = ilAdvancedMDFieldDefinition::getInstanceByTypeString($a_type);
                 $this->fields[] = $this->current_field;
                 return true;
 
             default:
                 throw new InvalidArgumentException(
                     'Current parsing mode is not supported. Mode: ' . $this->getMode()
                 );
         }
     }

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◆ initRecordObject()

ilAdvancedMDRecordParser::initRecordObject ( string $a_id )

private

Definition at line 277 of file class.ilAdvancedMDRecordParser.php.

References ilAdvancedMDRecord\_getInstanceByRecordId(), extractRecordId(), and getMode().

Referenced by handlerBeginTag().

                                                    : bool
     {
         switch ($this->getMode()) {
             case self::MODE_INSERT:
             case self::MODE_INSERT_VALIDATION:
                 $this->current_record = new ilAdvancedMDRecord(0);
                 return true;
 
             default:
                 $this->current_record = ilAdvancedMDRecord::_getInstanceByRecordId($this->extractRecordId($a_id));
                 return true;
         }
     }

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◆ setContext()

ilAdvancedMDRecordParser::setContext	(	int	$a_obj_id,
		string	$a_obj_type,
		?string	$a_sub_type = `null`
	)

Definition at line 405 of file class.ilAdvancedMDRecordParser.php.

Referenced by ilAdvancedMDSettingsGUI\importRecord().

                                                                                              : void
     {
         if (!$a_sub_type) {
             $a_sub_type = "-";
         }
 
         $this->context = array(
             "obj_id" => $a_obj_id,
             "obj_type" => $a_obj_type,
             "sub_type" => $a_sub_type
         );
     }

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◆ setHandlers()

ilAdvancedMDRecordParser::setHandlers ( $a_xml_parser )

set event handlers

Parameters

resource reference to the xml parser private

Definition at line 89 of file class.ilAdvancedMDRecordParser.php.

                                               : void
     {
         xml_set_object($a_xml_parser, $this);
         xml_set_element_handler($a_xml_parser, 'handlerBeginTag', 'handlerEndTag');
         xml_set_character_data_handler($a_xml_parser, 'handlerCharacterData');
     }

◆ setMode()

ilAdvancedMDRecordParser::setMode ( int $a_mode )

Definition at line 66 of file class.ilAdvancedMDRecordParser.php.

                                         : void
     {
         $this->mode = $a_mode;
     }

◆ startParsing()

ilAdvancedMDRecordParser::startParsing ( )

Definition at line 76 of file class.ilAdvancedMDRecordParser.php.

                                   : void
     {
         parent::startParsing();
         if ($this->is_error) {
             throw new ilSaxParserException(implode('<br/>', $this->error_msg));
         }
     }

◆ storeRecords()

ilAdvancedMDRecordParser::storeRecords ( )

private

Definition at line 335 of file class.ilAdvancedMDRecordParser.php.

References getCurrentRecord(), ilAdvancedMDRecordTranslations\getInstanceByRecordId(), getMode(), and ILIAS\LTI\ToolProvider\getRecordId().

Referenced by handlerEndTag().

                                    : void
     {
         switch ($this->getMode()) {
             case self::MODE_INSERT_VALIDATION:
             case self::MODE_UPDATE_VALIDATION:
                 return;
 
             case self::MODE_INSERT:
                 // set local context
                 if (isset($this->context) && is_array($this->context)) {
                     $this->getCurrentRecord()->setParentObject($this->context["obj_id"]);
                     $this->getCurrentRecord()->setAssignedObjectTypes(array(
                         array(
                             "obj_type" => $this->context["obj_type"],
                             "sub_type" => $this->context["sub_type"],
                             "optional" => false
                         )
                     ));
                 }
 
                 $this->getCurrentRecord()->save();
                 break;
         }
         foreach ($this->fields as $field) {
             $field->setRecordId($this->getCurrentRecord()->getRecordId());
             switch ($this->getMode()) {
                 case self::MODE_INSERT:
                     $field->save();
                     foreach ($this->field_translations as $field_id => $field_info) {
                         if (strcmp($field_id, $field->getImportId()) !== 0) {
                             continue;
                         }
                         foreach ((array) $field_info as $language => $field_translation) {
                             $translation = new ilAdvancedMDFieldTranslation(
                                 (int) $field->getFieldId(),
                                 (string) $field_translation['title'],
                                 (string) $field_translation['description'],
                                 (string) $language
                             );
                             $translation->insert();
                         }
                     }
 
                     // see getRecordMap()
                     $this->log->debug("add to record map, rec id: " . $this->getCurrentRecord()->getRecordId() .
                         ", import id: " . $field->getImportId() . ", field id:" . $field->getFieldId());
                     $this->rec_map[$this->getCurrentRecord()->getRecordId()][$field->getImportId()] = $field->getFieldId();
                     break;
             }
         }
         $translations = ilAdvancedMDRecordTranslations::getInstanceByRecordId($this->getCurrentRecord()->getRecordId());
         $translations->addTranslationEntry($this->getCurrentRecord()->getDefaultLanguage(), true);
         $translations->updateTranslations(
             $this->getCurrentRecord()->getDefaultLanguage(),
             $this->getCurrentRecord()->getTitle(),
             $this->getCurrentRecord()->getDescription()
         );
 
         foreach ($this->translations as $lang_key => $translation_info) {
             if (!$translations->isConfigured($lang_key)) {
                 $translations->addTranslationEntry($lang_key);
             }
             $translations->updateTranslations(
                 $lang_key,
                 (string) $translation_info['title'],
                 (string) $translation_info['description']
             );
         }
     }