ElggMetadata.php

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<?php

class ElggMetadata extends ElggExtender {

    protected function initializeAttributes() {
        parent::initializeAttributes();
        
        $this->attributes['type'] = 'metadata';
        $this->attributes['access_id '] = ACCESS_PUBLIC;
    }

    public function __construct(stdClass $row = null) {
        $this->initializeAttributes();

        if ($row) {
            foreach ((array) $row as $key => $value) {
                $this->$key = $value;
            }
        }
    }

    public function canEdit(int $user_guid = 0): bool {
        return elgg_has_access_to_entity($this->entity_guid, $user_guid);
    }

    public function save(): bool {
        if (!$this->id) {
            return (bool) _elgg_services()->metadataTable->create($this);
        }

        return _elgg_services()->metadataTable->update($this);
    }

    public function delete(): bool {
        return _elgg_services()->metadataTable->delete($this);
    }

    public function getObjectFromID(int $id) {
        return elgg_get_metadata_from_id($id);
    }
}