287 lines
12 KiB
PHP
287 lines
12 KiB
PHP
<?PHP
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/**
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* Parser for CSV files generated in the format that is also used for imports to
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* Google Arts and Culture.
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*
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* @author Joshua Ramon Enslin <joshua@museum-digital.de>
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* @link https://imports.museum-digital.org/parsers/google-arts-and-culture.php
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*/
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declare(strict_types = 1);
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/**
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* Parse function.
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*
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* @param array<mixed> $version Instance to import into.
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* @param integer $institution_id Institution to import to.
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* @param non-empty-string $XMLFolder Folder of the XML files to import.
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* @param string $dataFolder Data folder.
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* @param integer $sammlung_id Collection ID. Optional.
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* @param boolean $visibility Import objects to be directly visible?.
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* @param boolean $insertOnly If set to true, only new objects are added,
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* old are not updated.
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*
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* @return void
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*/
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function parseImportXML(array $version, int $institution_id, string $XMLFolder, string $dataFolder = "", int $sammlung_id = 0, bool $visibility = false, bool $insertOnly = false) {
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if (!is_dir(MD_IMPORTER_CONF::$import_dir_xml . "{$XMLFolder}")) throw new MDFileDoesNotExist("The folder to import from ($XMLFolder) does not exist.");
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if (empty($dataFolder)) {
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$importImages = false;
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}
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else $importImages = true;
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// Set up writers
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$collectionWriter = new MDCollectionWriter($version['mainDB']);
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$literatureWriter = new MDLiteratureWriter($version['mainDB']);
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$linkWriter = new MDLinkWriter($version['mainDB']);
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$seriesWriter = new MDSeriesWriter($version['mainDB']);
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$exhibitionWriter = new MDExhibitionWriter($version['mainDB']);
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$objectRecordWriter = new MDObjectRecordWriter($version['mainDB']);
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$tagWriter = new MDTagWriter($version['nodaDB']);
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$outputHandler = new MDOutputHandler;
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$outputHandler->setVerbosity(2);
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$objectWriter = new MDObjectWriter($version['mainDB'], $version['nodaDB'], $version['link'], $version['filepath'], $version['dataFolderLink']);
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// Set up prepared statement for checking if a tag of a given name exists
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$tagNameExistsStmt = $version['nodaDB']->do_prepare("SELECT `tag_id`
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FROM `tag`
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WHERE `tag_name` = ?
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LIMIT 1");
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// Set default language
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$defaultLang = "de";
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foreach (MD_STD::scandir(MD_IMPORTER_CONF::$import_dir_xml . "{$XMLFolder}") as $xmlFile) {
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if (pathinfo($xmlFile, PATHINFO_EXTENSION) !== "csv") continue;
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$outputHandler->toLog("Attempting to load CSV file {$xmlFile}", 2);
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if (!($handle = fopen(MD_IMPORTER_CONF::$import_dir_xml . "{$XMLFolder}/{$xmlFile}", "r"))) {
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throw new Exception("File {$xmlFile} cannot be opened");
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}
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if (!($fileHeaders = fgetcsv($handle, 5000000, ";"))) {
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throw new Exception("Failed to read headers for file $xmlFile");
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}
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while ($data = fgetcsv($handle, 5000000, ";")) {
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// Create associative array for easier parsing
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$objectData = [];
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foreach ($data as $key => $value) {
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$objectData[$fileHeaders[$key]] = $value;
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}
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// Store type for later use (when parsing creation)
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if (!empty($objectData["type/en"])) {
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$type = $objectData["type/en"];
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}
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else { // if (!empty($objectData["type/$defaultLang"]))
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$type = $objectData["type/$defaultLang"];
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}
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if (!empty($objectData["type/$defaultLang"])) {
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$typeDefLang = $objectData["type/$defaultLang"];
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}
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// Object base data
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$object = new MDObject($version['mainDB'], $version['nodaDB'], $version['language'], $institution_id, $objectData['itemid'], $objectData["type/$defaultLang"], $objectData["title/$defaultLang"], $objectData["description/$defaultLang"], $outputHandler);
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unset($objectData['itemid'], $objectData["type/$defaultLang"], $objectData['title/' . $defaultLang], $objectData["description/$defaultLang"]);
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if (!empty($objectData["format"])) $object->set_objekt_masse($objectData["format"]);
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if (!empty($objectData["medium/$defaultLang"])) $object->set_objekt_material_technik($objectData["medium/$defaultLang"]);
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unset($objectData["format"], $objectData["medium/$defaultLang"]);
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if (!empty($objectData['rights'])) $object->set_string("metadata_rights_holder", $objectData['rights']);
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unset($objectData['rights']);
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// Handle collections
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if ($sammlung_id !== 0) {
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$object->appendCollectionByID($sammlung_id);
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}
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else if (!empty($objectData['customtext:collection'])) {
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$object->appendCollectionByName($objectData['customtext:collection'], "", $collectionWriter);
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}
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unset($objectData['customtext:collection']);
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// Handle translations of base data
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$availableKeys = array_keys($objectData);
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$searchTarget = "title/";
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$availableEntities = [];
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foreach ($availableKeys as $key) {
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if (substr((string)$key, 0, strlen($searchTarget)) === $searchTarget) {
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$availableEntities[] = substr((string)$key, strlen($searchTarget));
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}
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}
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foreach ($availableEntities as $suffix) {
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$objectRecord = new MDObjectRecord($version['mainDB'], 0, "$suffix", $objectData["type/$suffix"], $objectData["title/$suffix"], $objectData["description/$suffix"]);
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$objectRecord->set_record_objekt_material_technik($objectData["medium/$suffix"]);
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$objectRecord->set_record_objekt_masse((string)$object->get_string("objekt_masse"));
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$object->appendObjectRecord($objectRecord);
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unset($objectData["type/$suffix"],
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$objectData["title/$suffix"],
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$objectData["description/$suffix"],
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$objectData["medium/$suffix"]);
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}
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if ($importImages === false) {
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unset($objectData['customtext: photographer'],
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$objectData['filespec'],
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$objectData['filetype']);
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}
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/**
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* Parse creation
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*/
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$creationEventType = 0;
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switch($type) {
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case "print":
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$creationEventType = 26;
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break;
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case "drawing":
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$creationEventType = 19;
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break;
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case "pastel":
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case "painting":
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$creationEventType = 9;
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break;
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case "sculpture":
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$creationEventType = 31;
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break;
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case "medal":
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$creationEventType = 1;
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break;
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}
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if ($creationEventType === 0) {
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throw new MDParserIncomplete("Unknown creator type for object type: $type");
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}
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$searchTarget = "creator#";
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$availableEntities = [];
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foreach ($availableKeys as $key) {
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if (substr((string)$key, 0, strlen($searchTarget)) === $searchTarget) {
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$availableEntities[] = substr((string)$key, strlen($searchTarget));
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}
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}
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$availableEntitiesReduced = [];
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foreach ($availableEntities as $entity) {
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$availableEntitiesReduced[] = substr((string)$entity, 0, strpos($entity, "/") ?: strlen($entity));
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}
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$availableEntitiesReduced = array_unique($availableEntitiesReduced);
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$eventsCreated = 0;
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foreach ($availableEntitiesReduced as $suffix) {
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if (!empty($objectData["creator#" . $suffix . "/$defaultLang"])) {
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$creator = $objectData["creator#" . $suffix . "/$defaultLang"];
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}
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else if (!empty($objectData["creator#" . $suffix . "/en"])) {
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$creator = $objectData["creator#" . $suffix . "/en"];
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}
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else continue;
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$event = new MDEvent($version['mainDB'], $version['nodaDB'], $version['language'], $creationEventType, $outputHandler);
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$event->set_persinst_id($creator);
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if (!empty($objectData["dateCreated:display/$defaultLang"])) {
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$event->set_zeiten_id($objectData["dateCreated:display/$defaultLang"], (int)$objectData['dateCreated:start'], (int)$objectData['dateCreated:end']);
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}
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else if (!empty($objectData["dateCreated:display/en"])) {
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$event->set_zeiten_id($objectData["dateCreated:display/en"], (int)$objectData['dateCreated:start'], (int)$objectData['dateCreated:end']);
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}
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$object->appendEvent($event);
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++$eventsCreated;
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}
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if ($eventsCreated === 0) {
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$event = new MDEvent($version['mainDB'], $version['nodaDB'], $version['language'], $creationEventType, $outputHandler);
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if (!empty($objectData["dateCreated:display/$defaultLang"])) {
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$event->set_zeiten_id($objectData["dateCreated:display/$defaultLang"], (int)$objectData['dateCreated:start'], (int)$objectData['dateCreated:end']);
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}
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else if (!empty($objectData["dateCreated:display/en"])) {
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$event->set_zeiten_id($objectData["dateCreated:display/en"], (int)$objectData['dateCreated:start'], (int)$objectData['dateCreated:end']);
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}
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$object->appendEvent($event);
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}
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// Remove events
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$searchTarget = "creator#";
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foreach ($availableKeys as $key) {
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if (substr((string)$key, 0, strlen($searchTarget)) === $searchTarget) {
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unset($objectData[$key]);
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}
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}
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$searchTarget = "dateCreated:display/";
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foreach ($availableKeys as $key) {
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if (substr((string)$key, 0, strlen($searchTarget)) === $searchTarget) {
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unset($objectData[$key]);
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}
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}
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unset($objectData['dateCreated:start'], $objectData['dateCreated:end']);
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// Attempt to set tags based on object type
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if (!empty($typeDefLang)) {
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$tagNameExistsStmt->bind_param("s", $typeDefLang);
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$tagNameExistsStmt->execute();
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$tagNameExistsResult = $tagNameExistsStmt->do_get_result();
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if ($tagNameExistsResult->num_rows === 1) {
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$object->appendTagByID($tagNameExistsResult->fetch_row()[0]);
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}
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$tagNameExistsResult->close();
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unset($tagNameExistsResult);
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}
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// Handle images
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if ($importImages === false) {
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unset($objectData['customtext: photographer'],
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$objectData['filespec'],
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$objectData['filetype']);
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}
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/*
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* Write it!
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*/
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$object->set_objekt_publik($visibility);
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$newObjectID = $objectWriter->writeObject($object, true, $insertOnly, $outputHandler);
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if (!empty($objectData)) {
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throw new MDParserIncomplete(var_export($objectData, true));
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}
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// Sleep for a millisecond
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usleep(IMPORTER_DELAY_PER_OBJECT);
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}
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fclose($handle);
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}
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$tagNameExistsStmt->close();
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unset($tagNameExistsStmt);
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}
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