From 0033fce9022f7e057a0acf32fa51bda2471b111c Mon Sep 17 00:00:00 2001 From: Michael Date: Sun, 4 Nov 2012 23:21:15 +0100 Subject: [PATCH] There is a new optional function in the twitter addon that shortens the text in a different way. --- twitter/twitter.php | 256 +++++++++++++++++++++++++++++++------------- 1 file changed, 183 insertions(+), 73 deletions(-) diff --git a/twitter/twitter.php b/twitter/twitter.php index 5fd053fa..4b7fcf57 100755 --- a/twitter/twitter.php +++ b/twitter/twitter.php @@ -261,6 +261,110 @@ function short_link ($url) { return $slinky->short(); } }; +function twitter_shortenmsg($b) { + require_once("include/bbcode.php"); + require_once("include/html2plain.php"); + + $max_char = 140; + + // Looking for the first image + $image = ''; + if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches)) + $image = $matches[3]; + + if ($image == '') + if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches)) + $image = $matches[1]; + + $multipleimages = (strpos($b['body'], "[img") != strrpos($b['body'], "[img")); + + // When saved into the database the content is sent through htmlspecialchars + // That means that we have to decode all image-urls + $image = htmlspecialchars_decode($image); + + if ($b["title"] == "") + $body = $b["body"]; + else + $body = $b["title"]; + + // remove the recycle signs and the names since they aren't helpful on twitter + // recycle 1 + $recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8'); + $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body); + // recycle 2 (Test) + $recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8'); + $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body); + + // At first convert the text to html + $html = bbcode($body, false, false); + + // Then convert it to plain text + //$msg = trim($b['title']." \n\n".html2plain($html, 0, true)); + $msg = trim(html2plain($html, 0, true)); + $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8'); + + // Removing multiple newlines + while (strpos($msg, "\n\n\n") !== false) + $msg = str_replace("\n\n\n", "\n\n", $msg); + + // Removing multiple spaces + while (strpos($msg, " ") !== false) + $msg = str_replace(" ", " ", $msg); + + $msg = trim($msg); + + $link = ''; + // look for bookmark-bbcode and handle it with priority + if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches)) + $link = $matches[1]; + + $multiplelinks = (strpos($b['body'], "[bookmark") != strrpos($b['body'], "[bookmark")); + + // If there is no bookmark element then take the first link + if ($link == '') { + $links = collecturls($html); + if (sizeof($links) > 0) { + reset($links); + $link = current($links); + } + $multiplelinks = (sizeof($links) > 1); + } + + $msglink = ""; + if ($multiplelinks) + $msglink = $b["plink"]; + else if ($link != "") + $msglink = $link; + else if ($multipleimages) + $msglink = $b["plink"]; + else if ($image != "") + $msglink = $image; + + if (($msglink == "") and strlen($msg) > $max_char) + $msglink = $b["plink"]; + + if (strlen($msglink) > 20) + $msglink = short_link($msglink); + + if (strlen(trim($msg." ".$msglink)) > $max_char) { + $msg = substr($msg, 0, $max_char - (strlen($msglink))); + $lastchar = substr($msg, -1); + $msg = substr($msg, 0, -1); + $pos = strrpos($msg, "\n"); + if ($pos > 0) + $msg = substr($msg, 0, $pos-1); + else if ($lastchar != "\n") + $msg = substr($msg, 0, -3)."..."; + } + $msg = str_replace("\n", " ", $msg); + + // Removing multiple spaces - again + while (strpos($msg, " ") !== false) + $msg = str_replace(" ", " ", $msg); + + return(trim($msg." ".$msglink)); +} + function twitter_post_hook(&$a,&$b) { /** @@ -294,81 +398,87 @@ function twitter_post_hook(&$a,&$b) { $tweet = new TwitterOAuth($ckey,$csecret,$otoken,$osecret); // in theory max char is 140 but T. uses t.co to make links // longer so we give them 10 characters extra - $max_char = 130; // max. length for a tweet - // we will only work with up to two times the length of the dent - // we can later send to Twitter. This way we can "gain" some - // information during shortening of potential links but do not - // shorten all the links in a 200000 character long essay. - if (! $b['title']=='') { - $tmp = $b['title'] . ' : '. $b['body']; -// $tmp = substr($tmp, 0, 4*$max_char); - } else { - $tmp = $b['body']; // substr($b['body'], 0, 3*$max_char); - } - // if [url=bla][img]blub.png[/img][/url] get blub.png - $tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp); - // preserve links to images, videos and audios - $tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp); - $tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp); - $tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp); - $tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp); - $tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp); - $tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp); - $linksenabled = get_pconfig($b['uid'],'twitter','post_taglinks'); - // if a #tag is linked, don't send the [url] over to SN - // that is, don't send if the option is not set in the - // connector settings - if ($linksenabled=='0') { - // #-tags - $tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp); - // @-mentions - $tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp); - // recycle 1 - $recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8'); - $tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp); - // recycle 2 (Test) - $recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8'); - $tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp); - } - $tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp); - $tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp); - // find all http or https links in the body of the entry and - // apply the shortener if the link is longer then 20 characters - if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) { - preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls ); - foreach ($allurls as $url) { - foreach ($url as $u) { - if (strlen($u)>20) { - $sl = short_link($u); - $tmp = str_replace( $u, $sl, $tmp ); - } - } - } - } - // ok, all the links we want to send out are save, now strip - // away the remaining bbcode - //$msg = strip_tags(bbcode($tmp, false, false)); - $msg = bbcode($tmp, false, false); - $msg = str_replace(array('
','
'),"\n",$msg); - $msg = strip_tags($msg); - // quotes not working - let's try this - $msg = html_entity_decode($msg); - if (( strlen($msg) > $max_char) && $max_char > 0) { - $shortlink = short_link( $b['plink'] ); - // the new message will be shortened such that "... $shortlink" - // will fit into the character limit - $msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4)); - $msg = str_replace(array('
','
'),' ',$msg); - $e = explode(' ', $msg); - // remove the last word from the cut down message to - // avoid sending cut words to the MicroBlog - array_pop($e); - $msg = implode(' ', $e); - $msg .= '... ' . $shortlink; - } + $intelligent_shortening = get_config('twitter','intelligent_shortening'); - $msg = trim($msg); + if (!$intelligent_shortening) { + $max_char = 130; // max. length for a tweet + // we will only work with up to two times the length of the dent + // we can later send to Twitter. This way we can "gain" some + // information during shortening of potential links but do not + // shorten all the links in a 200000 character long essay. + if (! $b['title']=='') { + $tmp = $b['title'] . ' : '. $b['body']; + // $tmp = substr($tmp, 0, 4*$max_char); + } else { + $tmp = $b['body']; // substr($b['body'], 0, 3*$max_char); + } + // if [url=bla][img]blub.png[/img][/url] get blub.png + $tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp); + // preserve links to images, videos and audios + $tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp); + $tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp); + $tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp); + $tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp); + $tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp); + $tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp); + $linksenabled = get_pconfig($b['uid'],'twitter','post_taglinks'); + // if a #tag is linked, don't send the [url] over to SN + // that is, don't send if the option is not set in the + // connector settings + if ($linksenabled=='0') { + // #-tags + $tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp); + // @-mentions + $tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp); + // recycle 1 + $recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8'); + $tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp); + // recycle 2 (Test) + $recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8'); + $tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp); + } + $tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp); + $tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp); + // find all http or https links in the body of the entry and + // apply the shortener if the link is longer then 20 characters + if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) { + preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls ); + foreach ($allurls as $url) { + foreach ($url as $u) { + if (strlen($u)>20) { + $sl = short_link($u); + $tmp = str_replace( $u, $sl, $tmp ); + } + } + } + } + // ok, all the links we want to send out are save, now strip + // away the remaining bbcode + //$msg = strip_tags(bbcode($tmp, false, false)); + $msg = bbcode($tmp, false, false); + $msg = str_replace(array('
','
'),"\n",$msg); + $msg = strip_tags($msg); + + // quotes not working - let's try this + $msg = html_entity_decode($msg); + if (( strlen($msg) > $max_char) && $max_char > 0) { + $shortlink = short_link( $b['plink'] ); + // the new message will be shortened such that "... $shortlink" + // will fit into the character limit + $msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4)); + $msg = str_replace(array('
','
'),' ',$msg); + $e = explode(' ', $msg); + // remove the last word from the cut down message to + // avoid sending cut words to the MicroBlog + array_pop($e); + $msg = implode(' ', $e); + $msg .= '... ' . $shortlink; + } + + $msg = trim($msg); + } else + $msg = twitter_shortenmsg($b); // and now tweet it :-) if(strlen($msg)) {