class.ilMailMemberSearchGUI.php

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

class ilMailMemberSearchGUI
{
    protected $mail_roles;

    protected $gui;

    protected $objMailMemberRoles;
    protected $objParticipants = null;

    protected $ctrl;

    protected $tpl;

    protected $lng;
    
    protected $access;

    public function __construct($gui, $ref_id, ilAbstractMailMemberRoles $objMailMemberRoles)
    {
        global $DIC;

        $this->ctrl = $DIC['ilCtrl'];
        $this->tpl = $DIC['tpl'];
        $this->lng = $DIC['lng'];
        $this->access = $DIC['ilAccess'];

        $this->lng->loadLanguageModule('mail');
        $this->lng->loadLanguageModule('search');

        $this->gui = $gui;
        $this->ref_id = $ref_id;

        $this->objMailMemberRoles = $objMailMemberRoles;
        $this->mail_roles = $objMailMemberRoles->getMailRoles($ref_id);
    }

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

        $this->ctrl->setReturn($this, '');
        
        switch ($next_class) {
            default:
                switch ($cmd) {
                    case 'sendMailToSelectedUsers':
                        $this->sendMailToSelectedUsers();
                        break;

                    case 'showSelectableUsers':
                        $this->showSelectableUsers();
                        break;
                    
                    case 'nextMailForm':
                        $this->nextMailForm();
                        break;
            
                    case 'cancel':
                        $this->redirectToParentReferer();
                        break;
                    
                    default:
                        if (isset($_GET['returned_from_mail']) && $_GET['returned_from_mail'] == '1') {
                            $this->redirectToParentReferer();
                        }
                        $this->showSearchForm();
                        break;
                }
                break;
        }
        return true;
    }
    
    private function redirectToParentReferer()
    {
        $redirect_target = $this->getStoredReferer();
        $this->unsetStoredReferer();
        ilUtil::redirect($redirect_target);
    }
    
    public function storeReferer()
    {
        $referer = ilSession::get('referer');
        ilSession::set('ilMailMemberSearchGUIReferer', $referer);
    }
    
    private function getStoredReferer()
    {
        $stored_referer = ilSession::get('ilMailMemberSearchGUIReferer');
        return (strlen($stored_referer) ? $stored_referer : false);
    }
    
    private function unsetStoredReferer()
    {
        ilSession::set('ilMailMemberSearchGUIReferer', '');
    }
    
    protected function nextMailForm()
    {
        $form = $this->initMailToMembersForm();
        if ($form->checkInput()) {
            if ($form->getInput('mail_member_type') == 'mail_member_roles') {
                if (is_array($form->getInput('roles')) && count($form->getInput('roles')) > 0) {
                    $role_mail_boxes = array();
                    $roles = $form->getInput('roles');
                    foreach ($roles as $role_id) {
                        $mailbox = $this->objMailMemberRoles->getMailboxRoleAddress($role_id);
                        $role_mail_boxes[] = $mailbox;
                    }

                    require_once 'Services/Mail/classes/class.ilMailFormCall.php';
                    $_SESSION['mail_roles'] = $role_mail_boxes;

                    ilUtil::redirect(ilMailFormCall::getRedirectTarget(
                        $this,
                        'showSearchForm',
                        array('type' => 'role'),
                        array(
                            'type' => 'role',
                            'rcp_to' => implode(',', $role_mail_boxes),
                            'sig' => $this->gui->createMailSignature()
                        ),
                        $this->generateContextArray()
                    ));
                } else {
                    $form->setValuesByPost();
                    ilUtil::sendFailure($this->lng->txt('no_checkbox'));
                    $this->showSearchForm();
                    return;
                }
            } else {
                $this->showSelectableUsers();
                return;
            }
        }

        $form->setValuesByPost();
        $this->showSearchForm();
    }
    
    protected function generateContextArray()
    {
        $context_array = [];

        $type = ilObject::_lookupType($this->ref_id, true);
        switch ($type) {
            case 'crs':
                if ($this->access->checkAccess('write', "", $this->ref_id)) {
                    $context_array = array(
                        ilMailFormCall::CONTEXT_KEY => ilCourseMailTemplateTutorContext::ID,
                        'ref_id' => $this->ref_id,
                        'ts' => time()
                    );
                }
                break;

            case 'sess':
                if ($this->access->checkAccess('write', "", $this->ref_id)) {
                    $context_array = array(
                        ilMailFormCall::CONTEXT_KEY => ilSessionMailTemplateParticipantContext::ID,
                        'ref_id' => $this->ref_id,
                        'ts' => time()
                    );
                }
                break;
        }
        return $context_array;
    }
    
    protected function showSelectableUsers()
    {
        include_once './Services/Contact/classes/class.ilMailMemberSearchTableGUI.php';
        include_once './Services/Contact/classes/class.ilMailMemberSearchDataProvider.php';
        
        $this->tpl->getStandardTemplate();
        $tbl = new ilMailMemberSearchTableGUI($this, 'showSelectableUsers');
        $provider = new ilMailMemberSearchDataProvider($this->getObjParticipants(), $this->ref_id);
        $tbl->setData($provider->getData());

        $this->tpl->setContent($tbl->getHTML());
    }

    protected function sendMailToSelectedUsers()
    {
        if (!is_array($_POST['user_ids']) || 0 === count($_POST['user_ids'])) {
            ilUtil::sendFailure($this->lng->txt("no_checkbox"));
            $this->showSelectableUsers();
            return false;
        }

        $rcps = array();
        foreach ($_POST['user_ids'] as $usr_id) {
            $rcps[] = ilObjUser::_lookupLogin($usr_id);
        }

        if (!count(array_filter($rcps))) {
            ilUtil::sendFailure($this->lng->txt("no_checkbox"));
            $this->showSelectableUsers();
            return false;
        }

        require_once 'Services/Mail/classes/class.ilMailFormCall.php';
        ilMailFormCall::setRecipients($rcps);

        ilUtil::redirect(ilMailFormCall::getRedirectTarget(
            $this,
            'members',
            array(),
            array(
                'type' => 'new',
                'sig' => $this->gui->createMailSignature()
            ),
            $this->generateContextArray()
        ));

        return true;
    }
    
    protected function showSearchForm()
    {
        $this->storeReferer();

        $form = $this->initMailToMembersForm();
        $this->tpl->setContent($form->getHTML());
    }

    protected function getObjParticipants()
    {
        return $this->objParticipants;
    }

    public function setObjParticipants($objParticipants)
    {
        $this->objParticipants = $objParticipants;
    }
    
    protected function initMailToMembersForm()
    {
        $this->lng->loadLanguageModule('mail');

        include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt('mail_members'));

        $form->setFormAction($this->ctrl->getFormAction($this, 'nextMailForm'));

        $radio_grp = $this->getMailRadioGroup();

        $form->addItem($radio_grp);
        $form->addCommandButton('nextMailForm', $this->lng->txt('mail_members_search_continue'));
        $form->addCommandButton('cancel', $this->lng->txt('cancel'));

        return $form;
    }

    private function getMailRoles()
    {
        return $this->mail_roles;
    }
    
    protected function getMailRadioGroup()
    {
        $mail_roles = $this->getMailRoles();

        $radio_grp = new ilRadioGroupInputGUI($this->lng->txt('mail_sel_label'), 'mail_member_type');

        $radio_sel_users = new ilRadioOption($this->lng->txt('mail_sel_users'), 'mail_sel_users');

        $radio_roles = new ilRadioOption($this->objMailMemberRoles->getRadioOptionTitle(), 'mail_member_roles');
        foreach ($mail_roles as $role) {
            $chk_role = new ilCheckboxInputGUI($role['form_option_title'], 'roles[]');

            if (array_key_exists('default_checked', $role) && $role['default_checked']) {
                $chk_role->setChecked(true);
            }
            $chk_role->setValue($role['role_id']);
            $chk_role->setInfo($role['mailbox']);
            $radio_roles->addSubItem($chk_role);
        }

        $radio_grp->setValue('mail_member_roles');

        $radio_grp->addOption($radio_sel_users);
        $radio_grp->addOption($radio_roles);

        return $radio_grp;
    }
}