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Merged Hannes Gassert's code for podcasting support more or less without changes.

Browse Source 
http://opensource.mediagonal.ch/moodle/patches/podcasting/
This commit is contained in:
moodler 2005-12-02 07:07:44 +00:00
parent b506bb51e4
commit 410a24c09e
2 changed files with 73 additions and 1 deletions
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57
lib/rsslib.php
View File

@ -159,6 +159,7 @@ function rss_standard_header($title = NULL, $link = NULL, $description = NULL) {
$result .= rss_full_tag('title', 2, false, $title);
$result .= rss_full_tag('link', 2, false, $link);
$result .= rss_full_tag('description', 2, false, $description);
$result .= rss_full_tag('generator', 2, false, 'Moodle');
if (!empty($USER->lang)) {
$result .= rss_full_tag('language', 2, false, substr($USER->lang,0,2));
}
@ -220,6 +221,7 @@ function rss_add_items($items) {
$item->description = get_string('byname','',$item->author).'. &nbsp;<p />'.$item->description.'</p>';
}
$result .= rss_full_tag('description',3,false,$item->description);
$result .= rss_add_enclosures($item);
$result .= rss_end_tag('item',2,true);
}
@ -506,4 +508,57 @@ onClick=\"window.open('http://feedvalidator.org/check.cgi?url='+document.block_r
$returnstring .= '</td></tr></tbody></table>'."\n";
return $returnstring;
}
?>
/**
* Adds RSS Media Enclosures for "podcasting" by examining links to media files
*
* @param $item object representing an RSS item
* @return string RSS enclosure tags
* @author Hannes Gassert <hannes@mediagonal.ch>
*/
function rss_add_enclosures($item){
$returnstring = '';
$rss_text = $item->description;
// take into account attachments (e.g. from forum)
if (isset($item->attachments) && is_array($item->attachments)) {
foreach ($item->attachments as $attachment){
$rss_text .= " <a href='$attachment'/>"; //just to make sure the regexp groks it
}
}
// list of media file extensions and their respective mime types
// could/should we put this to some more central place?
$mediafiletypes = array(
'mp3' => 'audio/mpeg',
'm3u' => 'audio/x-mpegurl',
'pls' => 'audio/x-mpegurl',
'ogg' => 'application/ogg',
'm4b' => 'audio/x-m4b',
'mpeg' => 'video/mpg',
'mpg' => 'video/mpg',
'mov' => 'video/quicktime',
'avi' => 'video/x-msvideo',
'wmv' => 'video/x-msvideo'
);
// regular expression (hopefully) matching all links to media files
$medialinkpattern = '@href\s*=\s*(\'|")(\S+(' . implode('|', array_keys($mediafiletypes)) . '))\1@Usie';
if (!preg_match_all($medialinkpattern, $rss_text, $matches)){
return $returnstring;
}
// loop over matches of regular expression
for ($i = 0; $i < count($matches[2]); $i++){
$url = htmlspecialchars($matches[2][$i]);
$type = $mediafiletypes[strtolower($matches[3][$i])];
// the rss_*_tag functions can't deal with methods, unfortunately
$returnstring .= "\n<enclosure url='$url' type='$type' />\n";
}
return $returnstring;
}

17
mod/forum/rsslib.php
View File

@ -261,6 +261,23 @@
$item->pubdate = $rec->postcreated;
$item->link = $CFG->wwwroot."/mod/forum/discuss.php?d=".$rec->discussionid."&parent=".$rec->postid;
$item->description = format_text($rec->postmessage,$rec->postformat,NULL,$forum->course);
$post_file_area_name = str_replace('//', '/', "$forum->course/$CFG->moddata/$rec->course/forum/$forum->id/$rec->postid");
$post_files = get_directory_list("$CFG->dataroot/$post_file_area_name");
if (!empty($post_files)) {
$item->attachments = array();
foreach ($post_files as $file) {
if ($CFG->slasharguments) {
$ffurl = "{$CFG->wwwroot}/file.php/$post_file_area_name/$file";
} else {
$ffurl = "{$CFG->wwwroot}/file.php?file=/$post_file_area_name/$file";
}
$item->attachments[] = $ffurl;
}
}
$items[] = $item;
$articlesleft--;
if ($articlesleft < 1) {