class.ilAssQuestionSkillAssignmentImportFails.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilAssQuestionSkillAssignmentImportFails
{
        protected $settings;
        
        protected $parentObjId;
        
        public function __construct($parentObjId)
        {
                $this->parentObjId = $parentObjId;
        }
        
        protected function getSettings()
        {
                if( $this->settings === null )
                {
                        require_once 'Modules/TestQuestionPool/classes/questions/class.ilAssQuestionSkillAssignmentImportList.php';
                        require_once 'Modules/TestQuestionPool/classes/questions/class.ilAssQuestionSkillAssignmentRegistry.php';
                        $this->settings = new ilAssQuestionSkillAssignmentRegistry(new ilSetting('assimportfails'));
                }

                return $this->settings;
        }
        
        protected function getParentObjId()
        {
                return $this->parentObjId;
        }
        
        protected function buildSettingsKey()
        {
                return 'failed_imp_qsa_parentobj_'.$this->getParentObjId();
        }
        
        public function getFailedImports()
        {
                $value = $this->getSettings()->getStringifiedImports($this->buildSettingsKey(), null);

                if( $value !== null )
                {
                        return unserialize($value);
                }

                return null;
        }
        
        public function registerFailedImports(ilAssQuestionSkillAssignmentImportList $assignmentList)
        {
                $this->getSettings()->setStringifiedImports($this->buildSettingsKey(), serialize($assignmentList));
        }
        
        public function deleteRegisteredImportFails()
        {
                $this->getSettings()->deleteStringifiedImports($this->buildSettingsKey());
        }
        
        public function failedImportsRegistered()
        {
                return $this->getFailedImports() !== null;
        }
        
        public function getFailedImportsMessage(ilLanguage $lng)
        {
                $handledSkills = array();
                $msg = $lng->txt('tst_failed_imp_qst_skl_assign');
                
                $msg .= '<ul>';
                foreach($this->getFailedImports() as $assignmentImport)
                {
                        $sklBaseId = $assignmentImport->getImportSkillBaseId();
                        $sklTrefId = $assignmentImport->getImportSkillTrefId();
                        
                        if( isset($handledSkills["$sklBaseId:$sklTrefId"]) )
                        {
                                continue;
                        }
                        
                        $handledSkills["$sklBaseId:$sklTrefId"] = true;
                        
                        $msg .= '<li>'.$assignmentImport->getImportSkillTitle().'</li>';
                }
                $msg .= '</ul>';
                
                return $msg;
        }
}