class.ilTestSkillQuestionAssignment.php

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


class ilTestSkillQuestionAssignment
{
        const DEFAULT_COMPETENCE_POINTS = 1;

        private $db;

        private $testId;

        private $questionId;

        private $skillBaseId;

        private $skillTrefId;

        private $skillPoints;

        private $skillTitle;

        private $skillPath;


        public function __construct(ilDB $db)
        {
                $this->db = $db;
        }

        public function loadFromDb()
        {
                $query = "
                        SELECT test_fi, question_fi, skill_base_fi, skill_tref_fi, skill_points
                        FROM tst_skl_qst_assigns
                        WHERE test_fi = %s
                        AND question_fi = %s
                        AND skill_base_fi = %s
                        AND skill_tref_fi = %s
                ";

                $res = $this->db->queryF(
                        $query, array('integer', 'integer', 'integer', 'integer'),
                        array($this->getTestId(), $this->getQuestionId(), $this->getSkillBaseId(), $this->getSkillTrefId())
                );

                $row = $this->db->fetchAssoc($res);

                if( is_array($row) )
                {
                        $this->setSkillPoints($row['skill_points']);
                }
        }

        public function saveToDb()
        {
                if( $this->dbRecordExists() )
                {
                        $this->db->update('tst_skl_qst_assigns', array(
                                        'skill_points' => array('integer', $this->getSkillPoints())
                                ),
                                array(
                                        'test_fi' => array('integer', $this->getTestId()),
                                        'question_fi' => array('integer', $this->getQuestionId()),
                                        'skill_base_fi' => array('integer', $this->getSkillBaseId()),
                                        'skill_tref_fi' => array('integer', $this->getSkillTrefId())
                                )
                        );
                }
                else
                {
                        $this->db->insert('tst_skl_qst_assigns', array(
                                'test_fi' => array('integer', $this->getTestId()),
                                'question_fi' => array('integer', $this->getQuestionId()),
                                'skill_base_fi' => array('integer', $this->getSkillBaseId()),
                                'skill_tref_fi' => array('integer', $this->getSkillTrefId()),
                                'skill_points' => array('integer', $this->getSkillPoints())
                        ));
                }
        }

        public function deleteFromDb()
        {
                $query = "
                        DELETE FROM tst_skl_qst_assigns
                        WHERE test_fi = %s
                        AND question_fi = %s
                        AND skill_base_fi = %s
                        AND skill_tref_fi = %s
                ";

                $this->db->manipulateF(
                        $query, array('integer', 'integer', 'integer', 'integer'),
                        array($this->getTestId(), $this->getQuestionId(), $this->getSkillBaseId(), $this->getSkillTrefId())
                );
        }

        public function dbRecordExists()
        {
                $query = "
                        SELECT COUNT(*) cnt
                        FROM tst_skl_qst_assigns
                        WHERE test_fi = %s
                        AND question_fi = %s
                        AND skill_base_fi = %s
                        AND skill_tref_fi = %s
                ";

                $res = $this->db->queryF(
                        $query, array('integer', 'integer', 'integer', 'integer'),
                        array($this->getTestId(), $this->getQuestionId(), $this->getSkillBaseId(), $this->getSkillTrefId())
                );

                $row = $this->db->fetchAssoc($res);

                return $row['cnt'] > 0;
        }

        public function setSkillPoints($skillPoints)
        {
                $this->skillPoints = $skillPoints;
        }

        public function getSkillPoints()
        {
                return $this->skillPoints;
        }

        public function setQuestionId($questionId)
        {
                $this->questionId = $questionId;
        }

        public function getQuestionId()
        {
                return $this->questionId;
        }

        public function setSkillBaseId($skillBaseId)
        {
                $this->skillBaseId = $skillBaseId;
        }

        public function getSkillBaseId()
        {
                return $this->skillBaseId;
        }

        public function setSkillTrefId($skillTrefId)
        {
                $this->skillTrefId = $skillTrefId;
        }

        public function getSkillTrefId()
        {
                return $this->skillTrefId;
        }

        public function setTestId($testId)
        {
                $this->testId = $testId;
        }

        public function getTestId()
        {
                return $this->testId;
        }

        public function loadAdditionalSkillData()
        {
                require_once 'Services/Skill/classes/class.ilBasicSkill.php';
                require_once 'Services/Skill/classes/class.ilSkillTree.php';

                $this->setSkillTitle(
                        ilBasicSkill::_lookupTitle($this->getSkillBaseId(), $this->getSkillTrefId())
                );

                $tree = new ilSkillTree();

                $path = $tree->getSkillTreePath(
                        $this->getSkillBaseId(), $this->getSkillTrefId()
                );

                $nodes = array();
                foreach ($path as $node)
                {
                        if( $node['child'] > 1 && $node['skill_id'] != $this->getSkillBaseId() )
                        {
                                $nodes[] = $node['title'];
                        }
                }

                $this->setSkillPath(implode(' > ', $nodes));
        }

        public function setSkillTitle($skillTitle)
        {
                $this->skillTitle = $skillTitle;
        }

        public function getSkillTitle()
        {
                return $this->skillTitle;
        }

        public function setSkillPath($skillPath)
        {
                $this->skillPath = $skillPath;
        }

        public function getSkillPath()
        {
                return $this->skillPath;
        }
}