API: Just some more elements where Twidere has problems ...

[friendica.git] / include / plaintext.php

diff --git a/include/plaintext.php b/include/plaintext.php
index 05431bee2d27d2b6ca601d9f0a93d02e873c9590..a2b2c56522c6a49f8756421cc1724422a6e263f8 100644 (file)
--- a/include/plaintext.php
+++ b/include/plaintext.php
@@ -132,7 +132,19 @@ function shortenmsg($msg, $limit, $twitter = false) {
        return($msg);
 }
 
-function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
+/**
+ * @brief Convert a message into plaintext for connectors to other networks
+ *
+ * @param App $a The application class
+ * @param array $b 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 triggers the behaviour of the bbcode conversion
+ * @param string $target_network Name of the network where the post should go to.
+ *
+ * @return string The converted message
+ */
+function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2, $target_network = "") {
        require_once("include/bbcode.php");
        require_once("include/html2plain.php");
        require_once("include/network.php");
@@ -144,6 +156,9 @@ function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
        // 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
+       $body = remove_abstract($body);
+
        // At first look at data that is attached via "type-..." stuff
        // This will hopefully replaced with a dedicated bbcode later
        //$post = get_attached_data($b["body"]);
@@ -154,6 +169,44 @@ function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
        elseif ($b["title"] != "")
                $post["text"] = trim($b["title"]);
 
+       $abstract = "";
+
+       // Fetch the abstract from the given target network
+       if ($target_network != "") {
+               $default_abstract = fetch_abstract($b["body"]);
+               $abstract = fetch_abstract($b["body"], $target_network);
+
+               // If we post to a network with no limit we only fetch
+               // an abstract exactly for this network
+               if (($limit == 0) AND ($abstract == $default_abstract))
+                       $abstract = "";
+
+       } else // Try to guess the correct target network
+               switch ($htmlmode) {
+                       case 8:
+                               $abstract = fetch_abstract($b["body"], NETWORK_TWITTER);
+                               break;
+                       case 7:
+                               $abstract = fetch_abstract($b["body"], NETWORK_STATUSNET);
+                               break;
+                       case 6:
+                               $abstract = fetch_abstract($b["body"], NETWORK_APPNET);
+                               break;
+                       default: // We don't know the exact target.
+                                // We fetch an abstract since there is a posting limit.
+                               if ($limit > 0)
+                                       $abstract = fetch_abstract($b["body"]);
+               }
+
+       if ($abstract != "") {
+               $post["text"] = $abstract;
+
+               if ($post["type"] == "text") {
+                       $post["type"] = "link";
+                       $post["url"] = $b["plink"];
+               }
+       }
+
        $html = bbcode($post["text"], false, false, $htmlmode);
        $msg = html2plain($html, 0, true);
        $msg = trim(html_entity_decode($msg,ENT_QUOTES,'UTF-8'));