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private_message_eh.php
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Fri, Sep 19, 12:40 AM

private_message_eh.php
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<?php
/**
* @version $Id: private_message_eh.php 14098 2010-12-28 17:48:25Z alex $
* @package In-Bulletin
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class PrivateMessageEventHandler extends kDBEventHandler {
function mapPermissions()
{
parent::mapPermissions();
$permissions = Array(
'OnItemBuild' => Array('self' => true),
'OnCreate' => Array('self' => true),
'OnDelete' => Array('self' => true),
);
$this->permMapping = array_merge($this->permMapping, $permissions);
}
/**
* Applies folder & message owner filter to message list
*
* @param kEvent $event
*/
function SetCustomQuery(&$event)
{
$folder_id = $this->Application->GetVar('folder_id');
if ($folder_id === false) {
$folder_id = PM_FOLDER_INBOX;
$this->Application->SetVar('folder_id', $folder_id);
}
$object =& $event->getObject();
/* @var $object kDBList */
$user_id = $this->Application->RecallVar('user_id');
if ($folder_id == PM_FOLDER_INBOX) {
$object->addFilter('owner_filter', '%1$s.ToId = '.$user_id);
}
else {
$object->addFilter('owner_filter', '%1$s.FromId = '.$user_id);
}
$object->addFilter('folder_filter', '%1$s.FolderId = '.$folder_id);
}
/**
* Puts message to Sent folder
*
* @param kEvent $event
*/
function OnBeforeItemCreate(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
if ($object->GetDBField('FolderId') != PM_FOLDER_SENT) {
// when creating "Inbox" message (from "Sent" message) don't reset folder & status
return ;
}
$user_id = $this->Application->RecallVar('user_id');
$object->SetDBField('FromId', $user_id);
$object->SetDBField('FolderId', PM_FOLDER_SENT);
$object->SetDBField('Status', PM_STATUS_READ);
}
/**
* Creates 1st post when topic is created
*
* @param kEvent $event
*/
function OnAfterItemCreate(&$event)
{
parent::OnAfterItemCreate($event);
$object =& $event->getObject();
/* @var $object kDBItem */
$this->Application->EmailEventUser('PM.ADD', $object->GetDBField('ToId'));
if ($object->GetDBField('FolderId') != PM_FOLDER_SENT) {
// 1. create message in sender's "Sent" folder (this method only for this step)
// 2. create message body (shared)
// 3. create message copy in recipient's "Inbox" folder
return ;
}
$message_body =& $this->Application->recallObject($event->Prefix.'-body', null, Array ('skip_autoload' => true));
/* @var $message_body kDBItem */
// 1. create message body (for sender & recipient)
$copy_fields = Array ('Subject', 'Body', 'ShowSignatures', 'DisableSmileys', 'DisableBBCodes');
$message_body->SetDBFieldsFromHash($object->GetFieldValues(), $copy_fields);
$body_created = $message_body->Create();
if ($body_created) {
// 2. link body with message
$object->SetDBField('PMBodyId', $message_body->GetID());
$object->Update();
// 3. create message in recipient's Inbox folder
$object->SetDBField('FolderId', PM_FOLDER_INBOX);
$object->SetDBField('Status', PM_STATUS_UNREAD);
$object->Create();
}
}
/**
* Sets post options to virtual fields
*
* @param kEvent $event
*/
function OnAfterItemLoad(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$post_helper =& $this->Application->recallObject('PostHelper');
/* @var $post_helper PostHelper */
$options_map = $post_helper->getOptionsMap();
$post_options = $object->GetDBField('Options');
foreach ($options_map as $option_name => $field_name) {
$option_value = $post_helper->GetPostOption($option_name, $post_options);
$object->SetDBField($field_name, (int)$option_value);
}
}
/**
* Goes to next_template after post creation
*
* @param kEvent $event
*/
function OnCreate(&$event)
{
parent::OnCreate($event);
if ($event->status == kEvent::erSUCCESS && !$this->Application->isAdmin) {
$event->SetRedirectParam('opener', 's');
$event->redirect = $this->Application->GetVar('next_template');
}
}
/**
* Prevents user from deleting other user private messages
*
* @param kEvent $event
*/
function OnBeforeItemDelete(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$user_id = $this->Application->RecallVar('user_id');
$owner_field = ($object->GetDBField('FolderId') == PM_FOLDER_INBOX) ? 'ToId' : 'FromId';
if ($object->GetDBField($owner_field) != $user_id) {
$event->status = kEvent::erFAIL;
}
}
/**
* Updates reference counter in message body record
*
* @param kEvent $event
*/
function OnAfterItemDelete(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$body_idfield = $this->Application->getUnitOption($event->Prefix.'-body', 'IDField');
$body_table = $this->Application->getUnitOption($event->Prefix.'-body', 'TableName');
$sql = 'UPDATE '.$body_table.'
SET ReferenceCount = ReferenceCount - 1
WHERE '.$body_idfield.' = '.$object->GetDBField('PMBodyId');
$this->Conn->Query($sql);
}
/**
* Sets default values to posting options based on persistent session
*
* @param kEvent $event
*/
function OnAfterConfigRead(&$event)
{
$virtual_fields = $this->Application->getUnitOption($event->Prefix, 'VirtualFields');
$virtual_fields['DisableBBCodes']['default'] = (int)!$this->Application->RecallPersistentVar('bbcode');
$virtual_fields['DisableSmileys']['default'] = (int)!$this->Application->RecallPersistentVar('smileys');
$virtual_fields['ShowSignatures']['default'] = (int)$this->Application->RecallPersistentVar('show_sig');
$this->Application->setUnitOption($event->Prefix, 'VirtualFields', $virtual_fields);
}
/**
* Checks, that current user is recipient or sender of viewed message
*
* @param kEvent $event
* @return bool
*/
function checkItemStatus(&$event)
{
$object =& $event->getObject();
if (!$object->isLoaded()) {
return true;
}
$user_id = $this->Application->RecallVar('user_id');
return ($object->GetDBField('FromId') == $user_id) || ($object->GetDBField('ToId') == $user_id);
}
/**
* Prepares new reply & new message form
*
* @param kEvent $event
*/
function OnNew(&$event)
{
parent::OnNew($event);
$reply_to = $this->Application->GetVar('reply_to');
$user_id = $this->Application->GetVar('user_id');
$object =& $event->getObject();
/* @var $object kDBItem */
if ($reply_to > 0) {
// reply to message
$source_msg =& $this->Application->recallObject($event->Prefix.'.-item', null, Array ('skip_autoload' => true));
/* @var $source_msg kDBItem */
$source_msg->Load($reply_to);
$object->SetDBField('ToId', $source_msg->GetDBField('FromId'));
$object->SetDBField('Subject', 'Re: '.$source_msg->GetDBField('Subject'));
}
elseif ($user_id > 0) {
// send message to any user by id
$object->SetDBField('ToId', $user_id);
}
}
}

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