ObligationsGetter.php

<?php
/*
 SPDX-FileCopyrightText: © 2017, 2020 Siemens AG
 
 SPDX-License-Identifier: GPL-2.0-only
*/
 
namespace Fossology\Lib\Report;
 
use Fossology\Lib\Dao\LicenseDao;
use Fossology\Lib\Dao\UploadDao;
use Fossology\Lib\Data\LicenseRef;
 
class ObligationsGetter
{
  private $licenseDao;
 
  private $uploadDao;
 
  public function __construct()
  {
    global $container;
    $this->licenseDao = $container->get('dao.license');
    $this->uploadDao = $container->get('dao.upload');
  }
 
  function getObligations($licenseStatements, $mainLicenseStatements, $uploadId, $groupId)
  {
    $whiteLists = array();
    $licenseIds = $this->contentOnly($licenseStatements) ?: array();
    $mainLicenseIds = $this->contentOnly($mainLicenseStatements);
 
    if (!empty($mainLicenseIds)) {
      $allLicenseIds = array_unique(array_merge($licenseIds, $mainLicenseIds));
    } else {
      $allLicenseIds = array_unique($licenseIds);
    }
 
    $obligationRef = $this->licenseDao->getLicenseObligations($allLicenseIds) ?: array();
    $obligationCandidate = $this->licenseDao->getLicenseObligations($allLicenseIds, true) ?: array();
    $obligations = array_merge($obligationRef, $obligationCandidate);
    $onlyLicenseIdsWithObligation = array_column($obligations, 'rf_fk');
    $licenseWithObligations = array_unique(array_intersect($onlyLicenseIdsWithObligation, $allLicenseIds));
    $licenseWithoutObligations = array_diff($allLicenseIds, $licenseWithObligations) ?: array();
    foreach ($licenseWithoutObligations as $licenseWithoutObligation) {
      $license = $this->licenseDao->getLicenseById($licenseWithoutObligation);
      if (!empty($license)) {
        $whiteLists[] = $license->getSpdxId();
      }
    }
    list($newobligations, $newWhiteList) = $this->groupObligations($obligations, $uploadId);
    return array($newobligations, array_unique(array_merge($whiteLists, $newWhiteList)));
  }
 
  function groupObligations($obligations, $uploadId)
  {
    $groupedOb = array();
    $whiteList = [];
    $row = $this->uploadDao->getReportInfo($uploadId);
    $excludedObligations = (array) json_decode($row['ri_excluded_obligations'], true);
    foreach ($obligations as $obligation ) {
      $obTopic = $obligation['ob_topic'];
      $obText = $obligation['ob_text'];
      $licenseName = LicenseRef::convertToSpdxId($obligation['rf_shortname'],
        $obligation['rf_spdx_id']);
      $groupBy = $obText;
      if (!empty($excludedObligations) && array_key_exists($obTopic, $excludedObligations)) {
        $obligationLicenseNames = $excludedObligations[$obTopic];
      } else {
        $obligationLicenseNames = array();
      }
      if (!in_array($licenseName, $obligationLicenseNames)) {
        if (array_key_exists($groupBy, $groupedOb)) {
          $currentLics = &$groupedOb[$groupBy]['license'];
          if (!in_array($licenseName, $currentLics)) {
            $currentLics[] = $licenseName;
          }
        } else {
          $singleOb = array(
            "topic" => $obTopic,
            "text" => $obText,
            "license" => array($licenseName)
          );
          $groupedOb[$groupBy] = $singleOb;
        }
      } else {
        if (!in_array($licenseName, $whiteList)) {
          $whiteList[] = $licenseName;
        }
      }
    }
 
    // Make sure whitelist contains only licenses which are not in any
    // obligations
    foreach ($groupedOb as $obli) {
      $whiteList = array_diff($whiteList, $obli['license']);
    }
    return [$groupedOb, $whiteList];
  }
 
  function contentOnly($licenseStatements)
  {
    $licenseId = [];
    foreach ($licenseStatements as $licenseStatement) {
      $licenseId[] = $licenseStatement["licenseId"];
    }
    return $licenseId;
  }
}