class.ilTestSkillLevelThresholdsGUI.php

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<?php

declare(strict_types=1);

use ILIAS\Test\RequestDataCollector;

class ilTestSkillLevelThresholdsGUI
{
    public const CMD_SHOW_SKILL_THRESHOLDS = 'showSkillThresholds';
    public const CMD_SAVE_SKILL_THRESHOLDS = 'saveSkillThresholds';

    private int $question_container_id;
    private bool $question_assignment_columns_enabled = false;

    public function __construct(
        private readonly ilCtrlInterface $ctrl,
        private readonly ilGlobalTemplateInterface $tpl,
        private readonly ilLanguage $lng,
        private readonly ilDBInterface $db,
        private readonly RequestDataCollector $request_data_collector,
        private readonly int $test_id
    ) {
    }

    public function getQuestionContainerId(): int
    {
        return $this->question_container_id;
    }

    public function setQuestionContainerId(int $question_container_id): void
    {
        $this->question_container_id = $question_container_id;
    }

    public function executeCommand(): void
    {
        $cmd = $this->ctrl->getCmd('show') . 'Cmd';

        $this->$cmd();
    }

    public function setQuestionAssignmentColumnsEnabled(bool $question_assignment_columns_enabled): void
    {
        $this->question_assignment_columns_enabled = $question_assignment_columns_enabled;
    }

    public function areQuestionAssignmentColumnsEnabled(): bool
    {
        return $this->question_assignment_columns_enabled;
    }

    public function getTestId(): int
    {
        return $this->test_id;
    }

    private function saveSkillThresholdsCmd(): void
    {
        if ($this->request_data_collector->isPostRequest()) {
            $assignment_list = $this->buildSkillQuestionAssignmentList();
            $assignment_list->loadFromDb();

            $valid = true;

            $table = $this->getPopulatedTable();
            $elements = $table->getInputElements($this->request_data_collector->retrieveArrayOfStringsFromPost('rendered'));
            foreach ($elements as $elm) {
                if (!$elm->checkInput()
                    || floor($elm->getInput()) !== $elm->getInput()) {
                    $valid = false;
                    $elm->setValue('');
                    continue;
                }

                $elm->setValue($this->request_data_collector->strVal($elm->getPostVar()));
            }

            if (!$valid) {
                $this->tpl->setOnScreenMessage('failure', $this->lng->txt('form_input_not_valid'));
                $this->showSkillThresholdsCmd($table);
                return;
            }

            $threshold = [];
            foreach ($elements as $elm) {
                $key = $elm->getPostVar();
                $matches = null;
                if (preg_match('/^threshold_(\d+?):(\d+?)_(\d+?)$/', $key, $matches) && is_array($matches)) {
                    $value = $this->request_data_collector->int($key);
                    $threshold[$matches[1] . ':' . $matches[2]][$matches[3]] = $value;
                }
            }

            $skill_level_thresholds = [];

            foreach ($assignment_list->getUniqueAssignedSkills() as $data) {
                $skill = $data['skill'];
                $skillKey = $data['skill_base_id'] . ':' . $data['skill_tref_id'];
                $levels = $skill->getLevelData();

                $thresholds_by_level = [];

                foreach ($levels as $level) {
                    if (isset($threshold[$skillKey][$level['id']])) {
                        $skill_level_threshold = new ilTestSkillLevelThreshold($this->db);

                        $skill_level_threshold->setTestId($this->getTestId());
                        $skill_level_threshold->setSkillBaseId($data['skill_base_id']);
                        $skill_level_threshold->setSkillTrefId($data['skill_tref_id']);
                        $skill_level_threshold->setSkillLevelId($level['id']);

                        $skill_level_threshold->setThreshold($threshold[$skillKey][$level['id']]);
                        $skill_level_thresholds[] = $skill_level_threshold;
                        $thresholds_by_level[] = $threshold[$skillKey][$level['id']];
                    }
                }

                $sorted_thresholds_by_level = $thresholds_by_level = array_values($thresholds_by_level);
                sort($sorted_thresholds_by_level);
                if (
                    $sorted_thresholds_by_level != $thresholds_by_level ||
                    count($thresholds_by_level) != count(array_unique($thresholds_by_level))
                ) {
                    $this->tpl->setOnScreenMessage('failure', $this->lng->txt('ass_competence_respect_level_ordering'));
                    $this->showSkillThresholdsCmd($table);
                    return;
                }
            }

            foreach ($skill_level_thresholds as $skill_level_threshold) {
                $skill_level_threshold->saveToDb();
            }

            $this->tpl->setOnScreenMessage('success', $this->lng->txt('tst_msg_skl_lvl_thresholds_saved'), true);
        }

        $this->ctrl->redirect($this, self::CMD_SHOW_SKILL_THRESHOLDS);
    }

    private function showSkillThresholdsCmd(?ilTestSkillLevelThresholdsTableGUI $table = null): void
    {
        if (null === $table) {
            $table = $this->getPopulatedTable();
        }

        $this->tpl->setContent($this->ctrl->getHTML($table));
    }

    protected function getPopulatedTable(): ilTestSkillLevelThresholdsTableGUI
    {
        $table = $this->buildTableGUI();

        $skill_level_threshold_list = $this->buildSkillLevelThresholdList();
        $skill_level_threshold_list->loadFromDb();
        $table->setSkillLevelThresholdList($skill_level_threshold_list);

        $assignment_list = $this->buildSkillQuestionAssignmentList();
        $assignment_list->loadFromDb();

        $table->setData($table->completeCompetenceTitles(
            $assignment_list->getUniqueAssignedSkills()
        ));
        return $table;
    }

    private function buildTableGUI(): ilTestSkillLevelThresholdsTableGUI
    {
        $table = new ilTestSkillLevelThresholdsTableGUI(
            $this,
            $this->getTestId(),
            self::CMD_SHOW_SKILL_THRESHOLDS,
            $this->ctrl,
            $this->lng
        );
        $table->setQuestionAssignmentColumnsEnabled($this->areQuestionAssignmentColumnsEnabled());
        $table->initColumns();

        return $table;
    }

    private function buildSkillQuestionAssignmentList(): ilAssQuestionSkillAssignmentList
    {
        $assignment_list = new ilAssQuestionSkillAssignmentList($this->db);
        $assignment_list->setParentObjId($this->getQuestionContainerId());

        return $assignment_list;
    }

    private function buildSkillLevelThresholdList(): ilTestSkillLevelThresholdList
    {
        $threshold_list = new ilTestSkillLevelThresholdList($this->db);
        $threshold_list->setTestId($this->getTestId());

        return $threshold_list;
    }
}