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<?php /** @file */
if(class_exists('Conversation'))
return;
require_once('boot.php');
require_once('include/BaseObject.php');
require_once('include/ItemObject.php');
require_once('include/text.php');
/**
* A list of threads
*
*/
class Conversation extends BaseObject {
private $threads = array();
private $mode = null;
private $observer = null;
private $writable = false;
private $commentable = false;
private $profile_owner = 0;
private $preview = false;
public function __construct($mode, $preview) {
$this->set_mode($mode);
$this->preview = $preview;
}
/**
* Set the mode we'll be displayed on
*/
private function set_mode($mode) {
if($this->get_mode() == $mode)
return;
$a = $this->get_app();
$this->observer = $a->get_observer();
$ob_hash = (($this->observer) ? $this->observer['xchan_hash'] : '');
switch($mode) {
case 'network':
$this->profile_owner = local_user();
$this->writable = true;
break;
case 'channel':
$this->profile_owner = $a->profile['profile_uid'];
$this->writable = perm_is_allowed($this->profile_owner,$ob_hash,'post_comments');
break;
case 'display':
// in this mode we set profile_owner after initialisation (from conversation()) and then
// pull some trickery which allows us to re-invoke this function afterward
// it's an ugly hack so FIXME
// $this->profile_owner = $a->profile['uid'];
$this->writable = perm_is_allowed($this->profile_owner,$ob_hash,'post_comments');
break;
case 'page':
$this->profile_owner = $a->profile['uid'];
$this->writable = perm_is_allowed($this->profile_owner,$ob_hash,'post_comments');
break;
default:
logger('[ERROR] Conversation::set_mode : Unhandled mode ('. $mode .').', LOGGER_DEBUG);
return false;
break;
}
$this->mode = $mode;
}
/**
* Get mode
*/
public function get_mode() {
return $this->mode;
}
/**
* Check if page is writable
*/
public function is_writable() {
return $this->writable;
}
public function is_commentable() {
return $this->commentable;
}
/**
* Check if page is a preview
*/
public function is_preview() {
return $this->preview;
}
/**
* Get profile owner
*/
public function get_profile_owner() {
return $this->profile_owner;
}
public function set_profile_owner($uid) {
$this->profile_owner = $uid;
$mode = $this->get_mode();
$this->mode = null;
$this->set_mode($mode);
}
public function get_observer() {
return $this->observer;
}
/**
* Add a thread to the conversation
*
* Returns:
* _ The inserted item on success
* _ false on failure
*/
public function add_thread($item) {
$item_id = $item->get_id();
if(!$item_id) {
logger('[ERROR] Conversation::add_thread : Item has no ID!!', LOGGER_DEBUG);
return false;
}
if($this->get_thread($item->get_id())) {
logger('[WARN] Conversation::add_thread : Thread already exists ('. $item->get_id() .').', LOGGER_DEBUG);
return false;
}
/*
* Only add things that will be displayed
*/
if(($item->get_data_value('id') != $item->get_data_value('parent')) && (activity_match($item->get_data_value('verb'),ACTIVITY_LIKE) || activity_match($item->get_data_value('verb'),ACTIVITY_DISLIKE))) {
return false;
}
if(local_user() && $item->get_data_value('uid') == local_user())
$this->commentable = true;
if($this->writable)
$this->commentable = true;
if($item->get_data_value('item_flags') & ITEM_NOCOMMENT) {
$this->commentable = false;
}
elseif(($this->observer) && (! $this->writable)) {
$this->commentable = can_comment_on_post($this->observer['xchan_hash'],$item->data);
}
$item->set_conversation($this);
$this->threads[] = $item;
return end($this->threads);
}
/**
* Get data in a form usable by a conversation template
*
* We should find a way to avoid using those arguments (at least most of them)
*
* Returns:
* _ The data requested on success
* _ false on failure
*/
public function get_template_data($alike, $dlike) {
$result = array();
foreach($this->threads as $item) {
$item_data = $item->get_template_data($alike, $dlike);
if(!$item_data) {
logger('[ERROR] Conversation::get_template_data : Failed to get item template data ('. $item->get_id() .').', LOGGER_DEBUG);
return false;
}
$result[] = $item_data;
}
return $result;
}
/**
* Get a thread based on its item id
*
* Returns:
* _ The found item on success
* _ false on failure
*/
private function get_thread($id) {
foreach($this->threads as $item) {
if($item->get_id() == $id)
return $item;
}
return false;
}
}
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