class.ilTrackingLearningHistoryProvider.php

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<?php

/* Copyright (c) 1998-2018 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilTrackingLearningHistoryProvider extends ilAbstractLearningHistoryProvider implements ilLearningHistoryProviderInterface
{

    public function isActive()
    {
        include_once("Services/Tracking/classes/class.ilObjUserTracking.php");
        if (ilObjUserTracking::_enabledLearningProgress() &&
            ilObjUserTracking::_hasLearningProgressLearner()) {
            return true;
        }
        return false;
    }

    public function getEntries($ts_start, $ts_end)
    {
        $lng = $this->getLanguage();
        $lng->loadLanguageModule("trac");
        $from = new ilDateTime($ts_start, IL_CAL_UNIX);
        $to = new ilDateTime($ts_end, IL_CAL_UNIX);
        $completions = ilLPMarks::getCompletionsOfUser($this->getUserId(), $from->get(IL_CAL_DATETIME), $to->get(IL_CAL_DATETIME));
        $entries = [];
        foreach ($completions as $c) {
            $ts = new ilDateTime($c["status_changed"], IL_CAL_DATETIME);
            $entries[] = $this->getFactory()->entry(
                $lng->txt("trac_lhist_obj_completed"),
                $lng->txt("trac_lhist_obj_completed_in"),
                ilObject::_getIcon($c["obj_id"]),
                $ts->get(IL_CAL_UNIX),
                $c["obj_id"]
            );
        }
        return $entries;
    }

    public function getName() : string
    {
        $lng = $this->getLanguage();
        $lng->loadLanguageModule("lp");

        return $lng->txt("learning_progress");
    }
}