{

/**

* Classes that must execute before this one

* Example. post->process() must execute before thread->process() so that threadids from the posts can

* be added to the thread content array.

*

* @var Array

*/

protected $requireFirst = array();

/**

* Classes that are required for this one to work

* Example. The post class is going to generate threadids so the thread class must also be loaded, which it possibly

* wouldn't be if this stream had no threads (new thread), just posts (new reply).

*

* @var Array

*/

protected $requireExist = array();

/*

*

*/

protected $content = array();

/*

*

*/

protected $vbphrase = array();

/**

* Processed users tracker

*

*/

protected $usersdone = false;

/**

* Constructor - info about this content

*

* @param array

*

*/

public function __construct(&$content, &$vbphrase)

{

$this->content =& $content;

$this->vbphrase =& $vbphrase;

}

/**

* Retrieve data once contentids have been set

*

* At the end of the function, set the idlist to an empty array so that if further records

* are requested, the already retrieved ids won't be needlessy retrieved again

*

*/

public function process()

{

}

/*

*

*/

public function setRequiredFirst($value)

{

$this->requireFirst[$value] = 1;

}

/*

*

*/

public function setRequiredExist($value)

{

$this->requireExist[$value] = 1;

}

/*

*

*/

public function fetchRequiredExist()

{

return $this->requireExist;

}

/*

* Fetch permission to view this activity

*

* return boolean

*/

public function fetchCanView($activity)

{

return true;

}

/*

*

*

*/

public function verifyRequiredFirst(&$classes, $done)

{

if (!$this->requireFirst)

{

return true;

}

else

{

$okay = true;

$need = array();

foreach ($this->requireFirst AS $classname => $null)

{

if (!$done[$classname] AND $classes[$classname])

{

$okay = false;

$need[] = $classname;

}

}

if (!$okay)

{

$this->sort($classes);

return false;

}

else

{

return true;

}

}

}

public function sort(&$classes)

{

$thisclass = get_class($this);

$new = array();

foreach ($classes AS $classname => $object)

{

if ($new[$classname])

{

continue;

}

if ($classname == $thisclass)

{

foreach ($this->requireFirst AS $_classname => $null)

{

if (!$classes[$_classname])

{

continue;

}

$new[$_classname] = $classes[$_classname];

}

$new[$classname] = $object;

}

else

{

$new[$classname] = $object;

}

}

$classes = $new;

}

/*

* Register Template

*

* @param string Template Name

* @param array Activity Record

*

* @return string Template

*/

abstract public function fetchTemplate($templatename, $activity, $skipgroup = false, $fetchphrase = false);

public function fetchPhrase($templatename, $activity, $skipgroup = false)

{

return $this->fetchTemplate($templatename, $activity, $skipgroup, true);

}

protected function processRecord(&$activity)

{

return;

}

protected function parse_array($array, $index)

{

$return = array();

$length = strlen($index);

foreach($array AS $key => $value)

{

if (strpos($key, $index, 0) !== false)

{

$return[substr($key, $length)] = $value;

}

}

return $return;

}

protected function processPicturecommentids()

{

if (!$this->content['picturecommentid'])

{

return true;

}

$comments = vB::$db->query_read_slave("

SELECT

p.commentid, p.postuserid, p.postuserid AS userid, p.postusername, p.state, p.title, p.dateline, p.pagetext,

p.sourcecontentid, p.sourcecontenttypeid, p.postusername,

a.attachmentid, a.dateline AS adateline, fd.thumbnail_width, fd.thumbnail_height, a.counter

FROM " . TABLE_PREFIX . "picturecomment AS p

INNER JOIN " . TABLE_PREFIX . "attachment AS a ON (a.attachmentid = p.sourceattachmentid)

INNER JOIN " . TABLE_PREFIX . "filedata AS fd ON (a.filedataid = fd.filedataid)

WHERE

p.commentid IN (" . implode(",", array_keys($this->content['picturecommentid'])) . ")

AND

p.state <> 'deleted'

");

while ($comment = vB::$db->fetch_array($comments))

{

$this->content['userid'][$comment['postuserid']] = 1;

$class = vB_Types::instance()->getContentClassFromId($comment['sourcecontenttypeid']);

if ($class['package'] = 'Forum' AND $class['class'] == 'SocialGroup')

{

$comment['groupid'] = $comment['sourcecontentid'];

$this->content['socialgroup_picturecomment'][$comment['commentid']] = $comment;

$this->content['socialgroup_attachmentid'][$comment['attachmentid']] = 1;

}

else if ($class['package'] = 'Forum' AND $class['class'] == 'Album')

{

$comment['albumid'] = $comment['sourcecontentid'];

$this->content['album_picturecomment'][$comment['commentid']] = $comment;

$this->content['album_attachmentid'][$comment['attachmentid']] = 1;

}

}

// unset picture commentids so that these only get processed once, either by socialgroups or albums

unset($this->content['picturecommentid']);

}

/*

* Why are we querying users directly and not joining in the other queries?

*

* Avatars are the main reason. If we join then it gets complicated with the

* cache system. We query all messages before discussions and group. The discussion and group belonging to the

* message is then cached so we don't have to query for them individually.

* Take a group message query. We have to join one for the message, once

* for the discussion, and once for the group. All within the same query. This query

* is fast and, in the end, probably faster than joining in all of the other queries

* especially when some will be redundant.

*

*/

protected function processUsers()

{

if (!$this->content['userid'])

{

return;

}

/* This bit handles processUsers() being executed multiple times .. remove any users that we already know about

* and only query if we have any unknown users left

*/

if ($this->content['user'])

{

foreach ($this->content['user'] AS $userid => $foo)

{

unset($this->content['userid'][$userid]);

}

if (!$this->content['userid'])

{

return;

}

}

require_once(DIR . '/includes/functions_user.php');

$users = vB::$db->query_read("

SELECT u.*

" . (vB::$vbulletin->options['avatarenabled'] ? ", av.avatarpath, NOT ISNULL(cu.userid) AS hascustomavatar,

cu.dateline AS avatardateline, cu.width AS avwidth, cu.height AS avheight, cu.height_thumb AS avheight_thumb,

cu.width_thumb AS avwidth_thumb, NOT ISNULL(cu.filedata_thumb) AS filedata_thumb" : "") . "

" . (vB::$vbulletin->userinfo['userid'] ? ",IF(userlist.userid IS NOT NULL, 1, 0) AS bbuser_iscontact_of_user" : "") . "

FROM " . TABLE_PREFIX . "user AS u

" . (vB::$vbulletin->options['avatarenabled'] ? "

LEFT JOIN " . TABLE_PREFIX . "avatar AS av ON(av.avatarid = u.avatarid)

LEFT JOIN " . TABLE_PREFIX . "customavatar AS cu ON(cu.userid = u.userid)" : "") . "

" . (vB::$vbulletin->userinfo['userid'] ? "LEFT JOIN " . TABLE_PREFIX . "userlist AS userlist ON (userlist.userid = u.userid AND userlist.type = 'buddy' AND userlist.relationid = " . vB::$vbulletin->userinfo['userid'] . ")" : "") . "

WHERE u.userid IN (" . implode(",", array_keys($this->content['userid'])) . ")

");

while ($user = vB::$db->fetch_array($users))

{

$user = array_merge($user , convert_bits_to_array($user['options'], vB::$vbulletin->bf_misc_useroptions));

fetch_avatar_from_userinfo($user, true);

cache_permissions($user, false);

if (

empty($user['avatarurl'])

OR

(!$user['avatarid'] AND !($user['permissions']['genericpermissions'] & vB::$vbulletin->bf_ugp_genericpermissions['canuseavatar']) AND !$user['adminavatar'])

)

{

$user['avatarurl'] = vB_Template_Runtime::fetchStyleVar('imgdir_misc') . '/unknown.gif';

$user['showavatar'] = true;

$user['avatarclass'] = 'hasavatar';

}

else if (vB::$vbulletin->userinfo['userid'] AND !vB::$vbulletin->userinfo['showavatars'])

{

$user['showavatar'] = false;

$user['avatarclass'] = 'noavatar';

}

else

{

$user['showavatar'] = true;

$user['avatarclass'] = 'hasavatar';

}

$this->content['user'][$user['userid']] = $user;

}

if (!$this->content['user'])

{

$this->content['user'] = array();

}

/*

* Reset the array so that if processUsers() is executed again we won't query anything

* unless new ids have been added to the array

*/

$this->content['userid'] = array();

}

/*

* Retrieve a user from the cache

* If no user then send back some guest stuff

*

* @param int userid to grab

* @param string Alternate username to use if this is a guest

*

* @return array User info

*/

protected function fetchUser($userid, $username = '')

{

global $vbphrase;

if ($this->content['user'][$userid])

{ // avatar stuff set by processUsers()

return $this->content['user'][$userid];

}

else // Guest

{

$showavatar = ((!vB::$vbulletin->userinfo['userid'] OR vB::$vbulletin->userinfo['showavatars']) AND vB::$vbulletin->options['avatarenabled']);

return array(

'userid' => 0,

'username' => $username ? $username : $vbphrase['unregistered'],

'avatarurl' => vB_Template_Runtime::fetchStyleVar('imgdir_misc') . '/unknown.gif',

'showavatar' => $showavatar,

'avatarclass' => $showavatar ? 'hasavatar' : 'noavatar',

);

}

}

protected function fetchCanViewMembers()

{

return (vB::$vbulletin->userinfo['permissions']['genericpermissions'] & vB::$vbulletin->bf_ugp_genericpermissions['canviewmembers']);

}

protected function fetchCanViewVisitorMessage($vmid)

{

if (!($message = $this->content['visitormessage'][$vmid]))

{

return false;

}

if (!($userinfo = $this->content['user'][$message['userid']]))

{

return false;

}

if ($userinfo['usergroupid'] == 4 AND !(vB::$vbulletin->userinfo['permissions']['adminpermissions'] & vB::$vbulletin->bf_ugp_adminpermissions['cancontrolpanel']))

{

return false;

}

if ((

$userinfo['vm_contactonly']

AND

!can_moderate(0,'canmoderatevisitormessages')

AND

$userinfo['userid'] != vB::$vbulletin->userinfo['userid']

AND

!$userinfo['bbuser_iscontact_of_user']

)

OR

(

!$userinfo['vm_enable']

AND

(

!can_moderate(0,'canmoderatevisitormessages')

OR

vB::$vbulletin->userinfo['userid'] == $userinfo['userid']

)

)

)

{

return false;

}

if (

!$this->fetchCanViewMembers()

OR

!(vB::$vbulletin->userinfo['forumpermissions'] & vB::$vbulletin->bf_ugp_forumpermissions['canview'])

OR

!(vB::$vbulletin->options['socnet'] & vB::$vbulletin->bf_misc_socnet['enable_visitor_messaging'])

)

{

return false;

}

if (!$this->content['user'][$message['userid']])

{

return false;

}

if (!can_view_profile_section($message['userid'], 'visitor_messaging'))

{

return false;

}

require_once(DIR . '/includes/functions_visitormessage.php');

if (

$message['state'] == 'moderation'

AND

!fetch_visitor_message_perm('canmoderatevisitormessages', $this->content['user'][$message['userid']], $message)

AND

$message['postuserid'] != vB::$vbulletin->userinfo['userid']

)

{

return false;

}

return true;

}