Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/Model/ItemContent.php
*/
namespace Friendica\Model;
use Friendica\BaseObject;
use Friendica\Content\Text;
use Friendica\Core\PConfig;
use Friendica\Core\Protocol;
class ItemContent extends BaseObject
{
/**
* @brief Convert a message into plaintext for connectors to other networks
*
* @param array $item The message array that is about to be posted
* @param int $limit The maximum number of characters when posting to that network
* @param bool $includedlinks Has an attached link to be included into the message?
* @param int $htmlmode This controls the behavior of the BBCode conversion
* @param string $target_network Name of the network where the post should go to.
*
* @return array Same array structure than \Friendica\Content\Text\BBCode::getAttachedData
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @see \Friendica\Content\Text\BBCode::getAttachedData
*
*/
public static function getPlaintextPost($item, $limit = 0, $includedlinks = false, $htmlmode = 2, $target_network = '')
{
// Remove hashtags
$URLSearchString = '^\[\]';
$body = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $item['body']);
// Add an URL element if the text contains a raw link
$body = preg_replace('/([^\]\=\'"]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism',
'$1[url]$2[/url]', $body);
// Remove the abstract
$body = Text\BBCode::stripAbstract($body);
// At first look at data that is attached via "type-..." stuff
// This will hopefully replaced with a dedicated bbcode later
//$post = self::getAttachedData($b['body']);
$post = Text\BBCode::getAttachedData($body, $item);
if (($item['title'] != '') && ($post['text'] != '')) {
$post['text'] = trim($item['title'] . "\n\n" . $post['text']);
} elseif ($item['title'] != '') {
$post['text'] = trim($item['title']);
}
$abstract = '';
// Fetch the abstract from the given target network
if ($target_network != '') {
$default_abstract = Text\BBCode::getAbstract($item['body']);
$abstract = Text\BBCode::getAbstract($item['body'], $target_network);
// If we post to a network with no limit we only fetch
// an abstract exactly for this network
if (($limit == 0) && ($abstract == $default_abstract)) {
$abstract = '';
}
} else {// Try to guess the correct target network
switch ($htmlmode) {
case 8:
$abstract = Text\BBCode::getAbstract($item['body'], Protocol::TWITTER);
break;
case 7:
$abstract = Text\BBCode::getAbstract($item['body'], Protocol::STATUSNET);
break;
default: // We don't know the exact target.
// We fetch an abstract since there is a posting limit.
if ($limit > 0) {
$abstract = Text\BBCode::getAbstract($item['body']);
}
}
}
if ($abstract != '') {
$post['text'] = $abstract;
if ($post['type'] == 'text') {
$post['type'] = 'link';
$post['url'] = $item['plink'];
}
}
$html = Text\BBCode::convert($post['text'] . ($post['after'] ?? ''), false, $htmlmode);
$msg = Text\HTML::toPlaintext($html, 0, true);
$msg = trim(html_entity_decode($msg, ENT_QUOTES, 'UTF-8'));
$link = '';
if ($includedlinks) {
if ($post['type'] == 'link') {
$link = $post['url'];
} elseif ($post['type'] == 'text') {
$link = $post['url'] ?? '';
} elseif ($post['type'] == 'video') {
$link = $post['url'];
} elseif ($post['type'] == 'photo') {
$link = $post['image'];
}
if (($msg == '') && isset($post['title'])) {
$msg = trim($post['title']);
}
if (($msg == '') && isset($post['description'])) {
$msg = trim($post['description']);
}
// If the link is already contained in the post, then it neeedn't to be added again
// But: if the link is beyond the limit, then it has to be added.
if (($link != '') && strstr($msg, $link)) {
$pos = strpos($msg, $link);
// Will the text be shortened in the link?
// Or is the link the last item in the post?
if (($limit > 0) && ($pos < $limit) && (($pos + 23 > $limit) || ($pos + strlen($link) == strlen($msg)))) {
$msg = trim(str_replace($link, '', $msg));
} elseif (($limit == 0) || ($pos < $limit)) {
// The limit has to be increased since it will be shortened - but not now
// Only do it with Twitter (htmlmode = 8)
if (($limit > 0) && (strlen($link) > 23) && ($htmlmode == 8)) {
$limit = $limit - 23 + strlen($link);
}
$link = '';
if ($post['type'] == 'text') {
unset($post['url']);
}
}
}
}
if ($limit > 0) {
// Reduce multiple spaces
// When posted to a network with limited space, we try to gain space where possible
while (strpos($msg, ' ') !== false) {
$msg = str_replace(' ', ' ', $msg);
}
// Twitter is using its own limiter, so we always assume that shortened links will have this length
if (iconv_strlen($link, 'UTF-8') > 0) {
$limit = $limit - 23;
}
if (iconv_strlen($msg, 'UTF-8') > $limit) {
if (($post['type'] == 'text') && isset($post['url'])) {
$post['url'] = $item['plink'];
} elseif (!isset($post['url'])) {
$limit = $limit - 23;
$post['url'] = $item['plink'];
} elseif (strpos($item['body'], '[share') !== false) {
$post['url'] = $item['plink'];
} elseif (PConfig::get($item['uid'], 'system', 'no_intelligent_shortening')) {
$post['url'] = $item['plink'];
}
$msg = Text\Plaintext::shorten($msg, $limit);
}
}
$post['text'] = trim($msg);
return $post;
}
}