mirror of
https://codeberg.org/streams/streams.git
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270 lines
7.7 KiB
PHP
270 lines
7.7 KiB
PHP
<?php
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/** @file */
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namespace Code\Lib;
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use App;
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require_once('boot.php');
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require_once('include/text.php');
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/**
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* A list of threads
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*
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*/
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class ThreadStream
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{
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private $threads = [];
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private $mode = null;
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private $observer = null;
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private $writable = false;
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private $commentable = false;
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private $uploadable = false;
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private $profile_owner = 0;
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private $preview = false;
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private $prepared_item = '';
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public $reload = '';
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private $cipher = 'AES-128-CCM';
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// $prepared_item is for use by alternate conversation structures such as photos
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// wherein we've already prepared a top level item which doesn't look anything like
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// a normal "post" item
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public function __construct($mode, $preview, $uploadable, $prepared_item = '')
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{
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$this->set_mode($mode);
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$this->preview = $preview;
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$this->uploadable = $uploadable;
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$this->prepared_item = $prepared_item;
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$c = ((local_channel()) ? get_pconfig(local_channel(), 'system', 'default_cipher') : '');
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if ($c) {
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$this->cipher = $c;
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}
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}
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/**
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* Set the mode we'll be displayed on
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*/
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private function set_mode($mode)
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{
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if ($this->get_mode() == $mode) {
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return;
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}
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$this->observer = App::get_observer();
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$ob_hash = (($this->observer) ? $this->observer['xchan_hash'] : '');
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switch ($mode) {
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case 'stream':
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$this->profile_owner = local_channel();
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$this->writable = true;
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break;
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case 'pubstream':
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$this->profile_owner = local_channel();
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$this->writable = ((local_channel()) ? true : false);
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break;
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case 'hq':
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$this->profile_owner = local_channel();
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$this->writable = true;
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break;
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case 'channel':
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$this->profile_owner = App::$profile['profile_uid'];
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$this->writable = perm_is_allowed($this->profile_owner, $ob_hash, 'post_comments');
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break;
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case 'cards':
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$this->profile_owner = App::$profile['profile_uid'];
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$this->writable = perm_is_allowed($this->profile_owner, $ob_hash, 'post_comments');
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$this->reload = $_SESSION['return_url'];
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break;
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case 'articles':
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$this->profile_owner = App::$profile['profile_uid'];
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$this->writable = perm_is_allowed($this->profile_owner, $ob_hash, 'post_comments');
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$this->reload = $_SESSION['return_url'];
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break;
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case 'display':
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// in this mode we set profile_owner after initialisation (from conversation()) and then
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// pull some trickery which allows us to re-invoke this function afterward
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// it's an ugly hack so @FIXME
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$this->writable = perm_is_allowed($this->profile_owner, $ob_hash, 'post_comments');
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$this->uploadable = perm_is_allowed($this->profile_owner, $ob_hash, 'write_storage');
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break;
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case 'page':
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$this->profile_owner = App::$profile['uid'];
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$this->writable = perm_is_allowed($this->profile_owner, $ob_hash, 'post_comments');
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break;
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default:
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logger('[ERROR] Conversation::set_mode : Unhandled mode (' . $mode . ').', LOGGER_DEBUG);
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return false;
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break;
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}
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$this->mode = $mode;
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}
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/**
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* Get mode
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*/
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public function get_mode()
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{
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return $this->mode;
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}
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/**
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* Check if page is writable
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*/
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public function is_writable()
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{
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return $this->writable;
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}
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public function is_commentable()
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{
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return $this->commentable;
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}
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public function is_uploadable()
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{
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return $this->uploadable;
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}
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/**
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* Check if page is a preview
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*/
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public function is_preview()
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{
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return $this->preview;
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}
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/**
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* Get profile owner
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*/
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public function get_profile_owner()
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{
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return $this->profile_owner;
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}
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public function set_profile_owner($uid)
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{
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$this->profile_owner = $uid;
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$mode = $this->get_mode();
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$this->mode = null;
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$this->set_mode($mode);
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}
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public function get_observer()
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{
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return $this->observer;
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}
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public function get_cipher()
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{
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return $this->cipher;
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}
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/**
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* Add a thread to the conversation
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*
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* Returns:
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* _ The inserted item on success
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* _ false on failure
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*/
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public function add_thread($item)
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{
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$item_id = $item->get_id();
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if (!$item_id) {
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logger('Item has no ID!!', LOGGER_DEBUG, LOG_ERR);
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return false;
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}
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if ($this->get_thread($item->get_id())) {
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logger('Thread already exists (' . $item->get_id() . ').', LOGGER_DEBUG, LOG_WARNING);
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return false;
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}
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/*
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* Only add things that will be displayed
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*/
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if (($item->get_data_value('id') != $item->get_data_value('parent')) && (activity_match($item->get_data_value('verb'), ACTIVITY_LIKE) || activity_match($item->get_data_value('verb'), ACTIVITY_DISLIKE))) {
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return false;
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}
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$item->set_commentable(false);
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$ob_hash = (($this->observer) ? $this->observer['xchan_hash'] : '');
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if (! comments_are_now_closed($item->get_data())) {
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if (($item->get_data_value('author_xchan') === $ob_hash) || ($item->get_data_value('owner_xchan') === $ob_hash)) {
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$item->set_commentable(true);
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}
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if (intval($item->get_data_value('item_nocomment'))) {
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$item->set_commentable(false);
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} elseif (! $item->is_commentable()) {
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if ((array_key_exists('owner', $item->data)) && intval($item->data['owner']['abook_self'])) {
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$item->set_commentable(perm_is_allowed($this->profile_owner, $ob_hash, 'post_comments'));
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} else {
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$item->set_commentable(can_comment_on_post($ob_hash, $item->data));
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}
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}
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}
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if ($this->mode === 'pubstream' && (! local_channel())) {
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$item->set_commentable(false);
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}
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$item->set_conversation($this);
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$this->threads[] = $item;
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return end($this->threads);
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}
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/**
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* Get data in a form usable by a conversation template
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*
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* We should find a way to avoid using those arguments (at least most of them)
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*
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* Returns:
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* _ The data requested on success
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* _ false on failure
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*/
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public function get_template_data($conv_responses)
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{
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$result = [];
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foreach ($this->threads as $item) {
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if (($item->get_data_value('id') == $item->get_data_value('parent')) && $this->prepared_item) {
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$item_data = $this->prepared_item;
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} else {
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$item_data = $item->get_template_data($conv_responses);
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}
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if (!$item_data) {
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logger('Failed to get item template data (' . $item->get_id() . ').', LOGGER_DEBUG, LOG_ERR);
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return false;
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}
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$result[] = $item_data;
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}
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return $result;
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}
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/**
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* Get a thread based on its item id
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*
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* Returns:
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* _ The found item on success
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* _ false on failure
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*/
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private function get_thread($id)
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{
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foreach ($this->threads as $item) {
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if ($item->get_id() == $id) {
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return $item;
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}
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}
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return false;
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}
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}
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