class.ilAwarenessContactsFeatureProvider.php

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

require_once 'Services/Awareness/classes/class.ilAwarenessFeatureProvider.php';

class ilAwarenessContactsFeatureProvider extends ilAwarenessFeatureProvider
{
        private static $state_to_perm_link_map = array(
                'ilBuddySystemLinkedRelationState'         => '_contact_approved',
                'ilBuddySystemIgnoredRequestRelationState' => '_contact_ignored'
        );

        public function collectFeaturesForTargetUser($a_target_user)
        {
                global $ilUser;

                require_once 'Services/Awareness/classes/class.ilAwarenessFeature.php';
                $coll = ilAwarenessFeatureCollection::getInstance();

                require_once 'Services/Contact/BuddySystem/classes/class.ilBuddySystem.php';
                if(!ilBuddySystem::getInstance()->isEnabled())
                {
                        return $coll;
                }

                if(ilObjUser::_isAnonymous($this->getUserId()) || $ilUser->isAnonymous())
                {
                        return $coll;
                }

                require_once 'Services/Contact/BuddySystem/classes/class.ilBuddyList.php';
                $buddylist = ilBuddyList::getInstanceByGlobalUser();
                $requested_contacts = $buddylist->getRequestRelationsForOwner()->getKeys();

                if(in_array($a_target_user, $requested_contacts))
                {
                        require_once 'Services/Utilities/classes/class.ilStr.php';
                        require_once 'Services/Link/classes/class.ilLink.php';

                        $this->lng->loadLanguageModule('buddysystem');

                        $relation = $buddylist->getRelationByUserId($a_target_user);
                        foreach($relation->getCurrentPossibleTargetStates() as $target_state)
                        {
                                $f = new ilAwarenessFeature();
                                $f->setText($this->lng->txt('buddy_bs_act_btn_txt_requested_to_' . ilStr::convertUpperCamelCaseToUnderscoreCase($target_state->getName())));
                                $f->setHref(ilLink::_getStaticLink($a_target_user, 'usr', true, self::$state_to_perm_link_map[get_class($target_state)]));
                                $f->setData(array(
                                        'current-state' => get_class($relation->getState()),
                                        'target-state'  => get_class($target_state),
                                        'buddy-id'      => $a_target_user,
                                        'action'        => $target_state->getAction())
                                );
                                $coll->addFeature($f);
                        }
                }

                return $coll;
        }
}