class.ilObjStudyProgrammeAccess.php

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<?php

declare(strict_types=1);

class ilObjStudyProgrammeAccess extends ilObjectAccess implements ilConditionHandling
{
    public function _checkAccess(string $cmd, string $permission, int $ref_id, int $obj_id, ?int $user_id = null): bool
    {
        if ($user_id === 0 || $user_id === null) {
            global $DIC;
            $user_id = $DIC->user()->getId();
        }

        if ($permission === "delete") {
            $prg = ilObjStudyProgramme::getInstanceByRefId($ref_id);
            if ($prg->hasRelevantProgresses()) {
                return false;
            }
        }

        return parent::_checkAccess($cmd, $permission, $ref_id, $obj_id, $user_id);
    }

    public static function _getCommands(): array
    {
        $commands = [];
        $commands[] = ['permission' => 'read', 'cmd' => 'view', 'lang_var' => 'show', 'default' => true];
        $commands[] = ['permission' => 'write', 'cmd' => 'view', 'lang_var' => 'edit_content'];
        $commands[] = [ 'permission' => 'write', 'cmd' => 'edit', 'lang_var' => 'settings'];

        return $commands;
    }

    public static function _checkGoto(string $target): bool
    {
        global $DIC;
        $ilAccess = $DIC->access();
        $t_arr = explode('_', $target);
        if ($t_arr[0] !== 'prg' || ((int) $t_arr[1]) <= 0) {
            return false;
        }

        return $ilAccess->checkAccess('read', '', (int) $t_arr[1]);
    }

    public static function getConditionOperators(): array
    {
        return array(
            ilConditionHandler::OPERATOR_ACCREDITED_OR_PASSED
        );
    }

    public static function checkCondition(
        int $a_trigger_obj_id,
        string $a_operator,
        string $a_value,
        int $a_usr_id
    ): bool {
        if ($a_operator === ilConditionHandler::OPERATOR_ACCREDITED_OR_PASSED) {
            $repo = ilStudyProgrammeDIC::dic()['repo.assignment'];
            $assignments = $repo->getAllForNodeIsContained($a_trigger_obj_id, [$a_usr_id]);

            foreach ($assignments as $ass) {
                if ($ass->getProgressForNode($a_trigger_obj_id)->isSuccessful()) {
                    return true;
                }
            }
        }
        return false;
    }
}