class.ilBuddySystemLinkButton.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once 'Services/JSON/classes/class.ilJsonUtil.php';
require_once 'Services/Contact/BuddySystem/classes/class.ilBuddyList.php';
require_once 'Services/Contact/BuddySystem/classes/class.ilBuddySystemGUI.php';
require_once 'Services/Contact/BuddySystem/classes/states/class.ilBuddySystemRelationStateFactory.php';
require_once 'Services/Contact/BuddySystem/interfaces/interface.ilBuddySystemLinkButtonType.php';
 
class ilBuddySystemLinkButton implements ilBuddySystemLinkButtonType
{
    protected $usr_id;
 
    protected $buddylist;
 
    protected $lng;
 
    protected $user;
 
    protected function __construct($usr_id)
    {
        global $DIC;
 
        $this->usr_id = $usr_id;
        $this->buddylist = ilBuddyList::getInstanceByGlobalUser();
        
        $this->user = $DIC['ilUser'];
        $this->lng = $DIC['lng'];
    }
 
    public static function getInstanceByUserId($usr_id)
    {
        return new self($usr_id);
    }
 
    public function getUsrId()
    {
        return $this->usr_id;
    }
 
    public function setUsrId($usr_id)
    {
        $this->usr_id = $usr_id;
    }
 
    public function getBuddyList()
    {
        return $this->buddylist;
    }
 
    public function getHtml()
    {
        $this->lng->loadLanguageModule('buddysystem');
 
        ilBuddySystemGUI::initializeFrontend();
 
        require_once 'Services/Contact/BuddySystem/classes/class.ilBuddySystem.php';
        if (!ilBuddySystem::getInstance()->isEnabled()) {
            return '';
        }
 
        $relation = $this->buddylist->getRelationByUserId($this->getUsrId());
 
        // The ILIAS JF decided to add a new personal setting
        if ($relation->isUnlinked() && !ilUtil::yn2tf(ilObjUser::_lookupPref($this->getUsrId(), 'bs_allow_to_contact_me'))) {
            return '';
        }
 
        $button_tpl = new ilTemplate('tpl.buddy_system_link_button.html', true, true, 'Services/Contact/BuddySystem');
        $button_tpl->setVariable('BUTTON_HTML', ilBuddySystemRelationStateFactory::getInstance()->getRendererByOwnerAndRelation($this->user->getId(), $relation)->getHtml());
        $button_tpl->setVariable('BUTTON_BUDDY_ID', $this->getUsrId());
        $button_tpl->setVariable('BUTTON_CSS_CLASS', 'ilBuddySystemLinkWidget');
        $button_tpl->setVariable('BUTTON_CURRENT_STATE', get_class($relation->getState()));
        return $button_tpl->get();
    }
}