class.ilObjTermsOfServiceGUI.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Object/classes/class.ilObject2GUI.php';
require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
require_once 'Services/Utilities/classes/class.ilConfirmationGUI.php';
require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceTableDataProviderFactory.php';
require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceAgreementByLanguageTableGUI.php';
require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceAcceptanceHistoryTableGUI.php';

class ilObjTermsOfServiceGUI extends ilObject2GUI
{
        protected $form;

        public $lng;

        public $ctrl;

        public $object;

        public $tabs_gui;

        public $factory;

        public function __construct($a_id = 0, $a_id_type = self::REPOSITORY_NODE_ID, $a_parent_node_id = 0)
        {
                global $lng, $ilDB;

                parent::__construct($a_id, $a_id_type, $a_parent_node_id);

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

                $this->factory = new ilTermsOfServiceTableDataProviderFactory();
                $this->factory->setLanguageAdapter($lng);
                $this->factory->setDatabaseAdapter($ilDB);
        }

        public function getType()
        {
                return 'tos';
        }

        public function executeCommand()
        {
                $next_class = $this->ctrl->getNextClass($this);
                $cmd        = $this->ctrl->getCmd();
                $this->prepareOutput();

                switch($next_class)
                {
                        case 'ilpermissiongui':
                                $this->tabs_gui->setTabActive('perm_settings');
                                require_once 'Services/AccessControl/classes/class.ilPermissionGUI.php';
                                $perm_gui = new ilPermissionGUI($this);
                                $this->ctrl->forwardCommand($perm_gui);
                                break;

                        default:
                                if($cmd == '' || $cmd == 'view')
                                {
                                        $cmd = 'settings';
                                }
                                $this->$cmd();
                                break;
                }
        }

        public function getAdminTabs(ilTabsGUI $tabs_gui)
        {
                global $rbacsystem;

                if($rbacsystem->checkAccess('read', $this->object->getRefId()))
                {
                        $tabs_gui->addTarget('settings', $this->ctrl->getLinkTarget($this, 'settings'), array('saveSettings', 'settings', '', 'view'), '', '');
                }

                if($rbacsystem->checkAccess('read', $this->object->getRefId()))
                {
                        $tabs_gui->addTarget('tos_agreement_by_lng', $this->ctrl->getLinkTarget($this, 'showAgreementByLanguage'), array('reset', 'confirmReset', 'showAgreementByLanguage', 'resetAgreementByLanguageFilter', 'applyAgreementByLanguageFilter'), '', '');
                }

                if($rbacsystem->checkAccess('read', $this->object->getRefId()) &&
                        $rbacsystem->checkAccess('read', USER_FOLDER_ID)
                )
                {
                        $tabs_gui->addTarget('tos_acceptance_history', $this->ctrl->getLinkTarget($this, 'showAcceptanceHistory'), array('showAcceptanceHistory', 'resetAcceptanceHistoryFilter', 'applyAcceptanceHistoryFilter'), '', '');
                }

                if($rbacsystem->checkAccess('edit_permission', $this->object->getRefId()))
                {
                        $tabs_gui->addTarget('perm_settings', $this->ctrl->getLinkTargetByClass(array(get_class($this), 'ilpermissiongui'), 'perm'), array('perm', 'info', 'owner'), 'ilpermissiongui');
                }
        }

        protected function initSettingsForm()
        {
                if(null == $this->form)
                {
                        $this->form = new ilPropertyFormGUI();
                        $this->form->setTitle($this->lng->txt('tos_tos_settings'));
                        $this->form->setFormAction($this->ctrl->getFormAction($this, 'saveSettings'));

                        $status = new ilCheckboxInputGUI($this->lng->txt('tos_status_enable'), 'tos_status');
                        $status->setInfo($this->lng->txt('tos_status_desc'));
                        $this->form->addItem($status);

                        $this->form->addCommandButton('saveSettings', $this->lng->txt('save'));
                }
        }

        protected function saveSettings()
        {
                global $rbacsystem, $ilErr;

                if(!$rbacsystem->checkAccess('write', $this->object->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'), $ilErr->MESSAGE);
                }

                $provider = $this->factory->getByContext(ilTermsOfServiceTableDataProviderFactory::CONTEXT_AGRREMENT_BY_LANGUAGE);
                $list     = $provider->getList(array(), array());

                $has_documents = false;
                foreach($list['items'] as $item)
                {
                        if($item['agreement_document'])
                        {
                                $has_documents = true;
                                break;
                        }
                }

                $this->initSettingsForm();
                if($this->form->checkInput())
                {
                        if($has_documents || !(int)$this->form->getInput('tos_status'))
                        {
                                $this->object->saveStatus((int)$this->form->getInput('tos_status'));
                                ilUtil::sendSuccess($this->lng->txt('saved_successfully'));
                        }
                }
                
                if(
                        !$has_documents &&
                        (int)$this->form->getInput('tos_status') &&
                        !$this->object->getStatus()
                )
                {
                        $_POST['tos_status'] = 0;
                        ilUtil::sendFailure($this->lng->txt('tos_no_documents_exist_cant_save'));
                }

                $this->settings(false);
        }

        protected function settings($init_from_database = true)
        {
                global $rbacsystem, $ilErr, $tpl;

                if(!$rbacsystem->checkAccess('read', $this->object->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'), $ilErr->MESSAGE);
                }

                $this->showMissingDocuments();

                $this->initSettingsForm();
                if($init_from_database)
                {
                        $this->form->setValuesByArray(array(
                                'tos_status' => $this->object->getStatus()
                        ));
                }
                else
                {
                        $this->form->setValuesByPost();
                }

                $tpl->setContent($this->form->getHtml());
        }

        protected function confirmReset()
        {
                global $rbacsystem, $ilErr, $tpl;

                if(!$rbacsystem->checkAccess('write', $this->object->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'), $ilErr->MESSAGE);
                }

                $confirmation = new ilConfirmationGUI();
                $confirmation->setFormAction($this->ctrl->getFormAction($this, 'confirmReset'));
                $confirmation->setConfirm($this->lng->txt('confirm'), 'reset');
                $confirmation->setCancel($this->lng->txt('cancel'), 'showAgreementByLanguage');
                $confirmation->setHeaderText($this->lng->txt('tos_sure_reset_tos'));

                $tpl->setContent($confirmation->getHtml());
        }

        protected function reset()
        {
                global $rbacsystem, $ilErr, $ilLog, $ilUser;

                if(!$rbacsystem->checkAccess('write', $this->object->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'), $ilErr->MESSAGE);
                }

                $this->object->resetAll();
                $ilLog->write(__METHOD__ . ': Terms of service reset by ' . $ilUser->getId() . ' [' . $ilUser->getLogin() . ']');
                ilUtil::sendSuccess($this->lng->txt('tos_reset_successfull'));

                $this->showAgreementByLanguage();
        }

        protected function showAgreementByLanguage()
        {
                global $rbacsystem, $ilErr, $tpl, $ilToolbar;

                if(!$rbacsystem->checkAccess('read', $this->object->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'), $ilErr->MESSAGE);
                }

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

                if($rbacsystem->checkAccess('write', $this->object->getRefId()))
                {
                        $ilToolbar->setFormAction($this->ctrl->getFormAction($this, 'settings'));
                        $ilToolbar->addFormButton($this->lng->txt('tos_reset_tos_for_all_users'), 'confirmReset');
                }

                $this->showLastResetDate();

                $table = new ilTermsOfServiceAgreementByLanguageTableGUI($this, 'showAgreementByLanguage');
                $table->setProvider($this->factory->getByContext(ilTermsOfServiceTableDataProviderFactory::CONTEXT_AGRREMENT_BY_LANGUAGE));
                $table->populate();

                $tpl->setContent($table->getHtml());
        }

        protected function showLastResetDate()
        {
                global $ilToolbar;

                if($this->object->getLastResetDate() && $this->object->getLastResetDate()->get(IL_CAL_UNIX) != 0)
                {
                        $status = ilDatePresentation::useRelativeDates();
                        ilDatePresentation::setUseRelativeDates(false);
                        $ilToolbar->addText(sprintf($this->lng->txt('tos_last_reset_date'), ilDatePresentation::formatDate($this->object->getLastResetDate())));
                        ilDatePresentation::setUseRelativeDates($status);
                }
        }

        protected function showMissingDocuments()
        {
                if(!$this->object->getStatus())
                {
                        return;
                }

                $provider = $this->factory->getByContext(ilTermsOfServiceTableDataProviderFactory::CONTEXT_AGRREMENT_BY_LANGUAGE);
                $list     = $provider->getList(array(), array());
                
                $has_documents = false;
                foreach($list['items'] as $item)
                {
                        if($item['agreement_document'])
                        {
                                $has_documents = true;
                                break;
                        }
                }

                if(!$has_documents)
                {
                        ilUtil::sendInfo($this->lng->txt('tos_no_documents_exist'));
                }
        }

        protected function applyAgreementByLanguageFilter()
        {
                $table = new ilTermsOfServiceAgreementByLanguageTableGUI($this, 'showAgreementByLanguage');
                $table->resetOffset();
                $table->writeFilterToSession();

                $this->showAgreementByLanguage();
        }

        protected function resetAgreementByLanguageFilter()
        {
                $table = new ilTermsOfServiceAgreementByLanguageTableGUI($this, 'showAgreementByLanguage');
                $table->resetOffset();
                $table->resetFilter();

                $this->showAgreementByLanguage();
        }

        protected function getAgreementTextByFilenameAsynch()
        {
                global $rbacsystem;

                require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceJsonResponse.php';
                $response = new ilTermsOfServiceJsonResponse();

                if(!isset($_GET['agreement_document']) || !strlen($_GET['agreement_document']) || !$rbacsystem->checkAccess('read', $this->object->getRefId()))
                {
                        $response->setStatus(ilTermsOfServiceJsonResponse::STATUS_FAILURE);
                        echo $response;
                }

                $file = realpath(strip_tags(rawurldecode(ilUtil::stripOnlySlashes($_GET['agreement_document']))));
                if(preg_match('/Customizing[\/\\\](global[\/\\\]agreement|clients[\/\\\]' . CLIENT_ID . '[\/\\\]agreement)[\/\\\]agreement_([a-z]{2})\.html$/', $file))
                {
                        $content = file_get_contents($file);
                        if(strip_tags($content) === $content)
                        {
                                $content       = '';
                                $lines         = file($file);
                                foreach($lines as $line)
                                {
                                        $content .= nl2br(trim($line));
                                }
                        }
                        $response->setBody($content);
                }
                else
                {
                        $response->setStatus(ilTermsOfServiceJsonResponse::STATUS_FAILURE);
                }

                echo $response;
        }

        protected function showAcceptanceHistory()
        {
                global $rbacsystem, $ilErr, $tpl;

                if(!$rbacsystem->checkAccess('read', '', $this->object->getRefId()) ||
                        !$rbacsystem->checkAccess('read', '', USER_FOLDER_ID)
                )
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'), $ilErr->MESSAGE);
                }

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

                $table = new ilTermsOfServiceAcceptanceHistoryTableGUI($this, 'showAcceptanceHistory');
                $table->setProvider($this->factory->getByContext(ilTermsOfServiceTableDataProviderFactory::CONTEXT_ACCEPTANCE_HISTORY));
                $table->populate();

                $tpl->setContent($table->getHtml());
        }

        protected function getAcceptedContentAsynch()
        {
                require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceJsonResponse.php';
                $response = new ilTermsOfServiceJsonResponse();

                if(!isset($_GET['tosv_id']))
                {
                        $response->setStatus(ilTermsOfServiceJsonResponse::STATUS_FAILURE);
                        echo $response;
                }

                $entity = ilTermsOfServiceHelper::getById(ilUtil::stripSlashes($_GET['tosv_id']));
                $response->setBody($entity->getText());

                echo $response;
        }

        protected function addUserAutoComplete()
        {
                global $rbacsystem;

                if(!$rbacsystem->checkAccess('read', '', $this->object->getRefId()) ||
                        !$rbacsystem->checkAccess('read', '', USER_FOLDER_ID)
                )
                {
                        echo json_encode(array());
                        exit();
                }
                
                include_once 'Services/User/classes/class.ilUserAutoComplete.php';
                $auto = new ilUserAutoComplete();
                $auto->setSearchFields(array('login', 'firstname', 'lastname', 'email'));
                $auto->enableFieldSearchableCheck(false);
                $auto->setMoreLinkAvailable(true);

                if(($_REQUEST['fetchall']))
                {
                        $auto->setLimit(ilUserAutoComplete::MAX_ENTRIES);
                }

                echo $auto->getList($_REQUEST['term']);
                exit();
        }

        protected function applyAcceptanceHistoryFilter()
        {
                $table = new ilTermsOfServiceAcceptanceHistoryTableGUI($this, 'showAcceptanceHistory');
                $table->resetOffset();
                $table->writeFilterToSession();

                $this->showAcceptanceHistory();
        }

        protected function resetAcceptanceHistoryFilter()
        {
                $table = new ilTermsOfServiceAcceptanceHistoryTableGUI($this, 'showAcceptanceHistory');
                $table->resetOffset();
                $table->resetFilter();

                $this->showAcceptanceHistory();
        }
}