class.ilXmlExporter.php

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<?php
 
declare(strict_types=1);
 
abstract class ilXmlExporter
{
    protected ilExport $exp;
 
    public function __construct()
    {
    }
 
    public function setExport(ilExport $a_exp): void
    {
        $this->exp = $a_exp;
    }
 
    public function getExport(): ilExport
    {
        return $this->exp;
    }
 
    public static function lookupExportDirectory(
        string $a_obj_type,
        int $a_obj_id,
        string $a_export_type = 'xml',
        string $a_entity = ""
    ): string {
        $ent = ($a_entity == "")
            ? ""
            : "_" . $a_entity;
 
        if ($a_export_type == 'xml') {
            return ilFileUtils::getDataDir() . "/" . $a_obj_type . $ent . "_data" . "/" . $a_obj_type . "_" . $a_obj_id . "/export";
        }
        return ilFileUtils::getDataDir() . "/" . $a_obj_type . $ent . "_data" . "/" . $a_obj_type . "_" . $a_obj_id . "/export_" . $a_export_type;
    }
 
    abstract public function getXmlRepresentation(
        string $a_entity,
        string $a_schema_version,
        string $a_id
    ): string;
 
    abstract public function init(): void;
 
    public function setExportDirectories(string $a_dir_relative, string $a_dir_absolute): void
    {
        $this->exp->setExportDirectories($a_dir_relative, $a_dir_absolute);
    }
 
    public function getRelativeExportDirectory(): string
    {
        return $this->exp->getRelativeExportDirectory();
    }
 
    public function getAbsoluteExportDirectory(): string
    {
        return $this->exp->getAbsoluteExportDirectory();
    }
 
    public function getXmlExportHeadDependencies(
        string $a_entity,
        string $a_target_release,
        array $a_ids
    ): array {
        return [];
    }
 
    public function getXmlExportTailDependencies(
        string $a_entity,
        string $a_target_release,
        array $a_ids
    ): array {
        return array();
    }
 
    abstract public function getValidSchemaVersions(string $a_entity): array;
 
    final public function determineSchemaVersion(
        string $a_entity,
        string $a_target_release
    ): array {
        $svs = $this->getValidSchemaVersions($a_entity);
        $rsv = [];
        foreach ($svs as $k => $sv) {
            $min_version = $sv["min"] ?? "";
            $max_version = $sv["max"] ?? "";
            if (
                ($min_version === "" || version_compare($min_version, ILIAS_VERSION_NUMERIC, "<=")) &&
                ($max_version === "" || version_compare($max_version, ILIAS_VERSION_NUMERIC, ">="))
            ) {
                $rsv = $sv;
                $rsv["schema_version"] = $k;
                break;
            }
        }
        return $rsv;
    }
}