class.ilMailMemberSearchDataProvider.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilMailMemberSearchDataProvider
{
    protected $type = 'crs';

    protected $data = array();

    protected $objParticipants = null;

    protected $lng;

    protected $dataCache;

    protected $roleSortWeightMap = [
        'il_crs_a' => 10,
        'il_grp_a' => 10,
        'il_crs_t' => 9,
        'il_crs_m' => 8,
        'il_grp_m' => 8,
    ];

    public function __construct($objParticipants)
    {
        global $DIC;

        $this->dataCache = $DIC['ilObjDataCache'];
        $this->objParticipants = $objParticipants;
        $this->type            = $this->objParticipants->getType();
        $this->lng             = $DIC['lng'];

        $this->collectTableData();
    }

    private function collectTableData()
    {
        $participants = $this->objParticipants->getParticipants();
        foreach ($participants as $user_id) {
            $name = ilObjUser::_lookupName($user_id);
            $login = ilObjUser::_lookupLogin($user_id);

            $publicName = '';
            if (in_array(ilObjUser::_lookupPref($user_id, 'public_profile'), array('g', 'y'))) {
                $publicName = $name['lastname'] . ', ' . $name['firstname'];
            }

            $this->data[$user_id]['user_id'] = $user_id;
            $this->data[$user_id]['login'] = $login;
            $this->data[$user_id]['name'] = $publicName;

            $assignedRoles = $this->objParticipants->getAssignedRoles($user_id);
            $this->dataCache->preloadObjectCache($assignedRoles);
            $roleTitles = [];
            foreach ($assignedRoles as $roleId) {
                $title = $this->dataCache->lookupTitle($roleId);
                $roleTitles[] = $title;
            }

            $roleTitles = $this->sortRoles($roleTitles);

            $that = $this;
            $roleTitles = array_map(function ($roleTitle) use ($that) {
                return $that->buildRoleTitle($roleTitle);
            }, $roleTitles);

            $this->data[$user_id]['role'] = implode(', ', $roleTitles);
        }
    }

    private function sortRoles(array $roleTitles)
    {
        $that = $this;
        usort($roleTitles, function ($a, $b) use ($that) {
            $leftPrefixTitle = substr($a, 0, 8);
            $rightPrefixTitle = substr($b, 0, 8);

            $leftRating = 0;
            if (isset($that->roleSortWeightMap[$leftPrefixTitle])) {
                $leftRating = $that->roleSortWeightMap[$leftPrefixTitle];
            }

            $rightRating = 0;
            if (isset($that->roleSortWeightMap[$rightPrefixTitle])) {
                $rightRating = $that->roleSortWeightMap[$rightPrefixTitle];
            }

            if ($leftRating > 0 || $rightRating > 0) {
                if ($leftRating !== $rightRating) {
                    return $rightRating - $leftRating > 0 ? 1 : -1;
                } else {
                    return 0;
                }
            }

            return strcmp($a, $b);
        });

        return $roleTitles;
    }

    private function buildRoleTitle($role)
    {
        require_once 'Services/AccessControl/classes/class.ilObjRole.php';
        return \ilObjRole::_getTranslation($role);
    }

    public function getData()
    {
        return $this->data;
    }
}