diff options
Diffstat (limited to 'Zotlabs/Lib/ThreadStream.php')
| -rw-r--r-- | Zotlabs/Lib/ThreadStream.php | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/Zotlabs/Lib/ThreadStream.php b/Zotlabs/Lib/ThreadStream.php new file mode 100644 index 000000000..2bcf167e9 --- /dev/null +++ b/Zotlabs/Lib/ThreadStream.php @@ -0,0 +1,220 @@ +<?php /** @file */ + +namespace Zotlabs\Lib; + +require_once('boot.php'); +require_once('include/text.php'); +require_once('include/items.php'); + +/** + * A list of threads + * + */ + +class ThreadStream { + + private $threads = array(); + private $mode = null; + private $observer = null; + private $writable = false; + private $commentable = false; + private $profile_owner = 0; + private $preview = false; + private $prepared_item = ''; + private $cipher = 'aes256'; + + // $prepared_item is for use by alternate conversation structures such as photos + // wherein we've already prepared a top level item which doesn't look anything like + // a normal "post" item + + public function __construct($mode, $preview, $prepared_item = '') { + $this->set_mode($mode); + $this->preview = $preview; + $this->prepared_item = $prepared_item; + $c = ((local_channel()) ? get_pconfig(local_channel(),'system','default_cipher') : ''); + if($c) + $this->cipher = $c; + } + + /** + * Set the mode we'll be displayed on + */ + private function set_mode($mode) { + if($this->get_mode() == $mode) + return; + + $this->observer = \App::get_observer(); + $ob_hash = (($this->observer) ? $this->observer['xchan_hash'] : ''); + + switch($mode) { + case 'network': + $this->profile_owner = local_channel(); + $this->writable = true; + break; + case 'channel': + $this->profile_owner = \App::$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 + $this->writable = perm_is_allowed($this->profile_owner,$ob_hash,'post_comments'); + break; + case 'page': + $this->profile_owner = \App::$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; + } + + public function get_cipher() { + return $this->cipher; + } + + + /** + * Add a thread to the conversation + * + * Returns: + * _ The inserted item on success + * _ false on failure + */ + public function add_thread($item) { + $item_id = $item->get_id(); + if(!$item_id) { + logger('Item has no ID!!', LOGGER_DEBUG, LOG_ERR); + return false; + } + if($this->get_thread($item->get_id())) { + logger('Thread already exists ('. $item->get_id() .').', LOGGER_DEBUG, LOG_WARNING); + return false; + } + + /* + * Only add things that will be displayed + */ + + + if(($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; + } + + $item->set_commentable(false); + $ob_hash = (($this->observer) ? $this->observer['xchan_hash'] : ''); + + if(! comments_are_now_closed($item->get_data())) { + if(($item->get_data_value('author_xchan') === $ob_hash) || ($item->get_data_value('owner_xchan') === $ob_hash)) + $item->set_commentable(true); + + if(intval($item->get_data_value('item_nocomment'))) { + $item->set_commentable(false); + } + elseif(($this->observer) && (! $item->is_commentable())) { + if((array_key_exists('owner',$item->data)) && intval($item->data['owner']['abook_self'])) + $item->set_commentable(perm_is_allowed($this->profile_owner,$this->observer['xchan_hash'],'post_comments')); + else + $item->set_commentable(can_comment_on_post($this->observer['xchan_hash'],$item->data)); + } + } + require_once('include/identity.php'); + + $item->set_conversation($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($conv_responses) { + $result = array(); + + foreach($this->threads as $item) { + + if(($item->get_data_value('id') == $item->get_data_value('parent')) && $this->prepared_item) { + $item_data = $this->prepared_item; + } + else { + $item_data = $item->get_template_data($conv_responses); + } + if(!$item_data) { + logger('Failed to get item template data ('. $item->get_id() .').', LOGGER_DEBUG, LOG_ERR); + 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; + } +} |