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rss MDL-22891 add hub rss support

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This commit is contained in:
jerome mouneyrac 2010-07-19 06:59:02 +00:00
parent d5f25d957e
commit e417be4ca2
1 changed files with 61 additions and 44 deletions
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105
rss/file.php
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@ -58,60 +58,77 @@ if (!$userid) {
$user = get_complete_user_data('id', $userid);
session_set_user($user);
//Set context
$context = get_context_instance_by_id($contextid);
if (!$context) {
rss_not_found();
}
$PAGE->set_context($context);
//Get course from context
//TODO: note that in the case of the hub rss feed, the feed is not related to a course context,
//it is more a "site" context. The Hub RSS bypass the following line using context id = 2
$coursecontext = get_course_context($context);
$course = $DB->get_record('course', array('id' => $coursecontext->instanceid), '*', MUST_EXIST);
$isblog = ($modulename == 'blog');
if ($isblog) {
$blogid = (int)$args[4]; // could be groupid / courseid / userid depending on $instance
if ($args[5] != 'rss.xml') {
$tagid = (int)$args[5];
} else {
$tagid = 0;
}
} else {
$instance = (int)$instance; // we know it's an id number
}
//Check name of module
if (!$isblog) {
$mods = get_plugin_list('mod');
$mods = array_keys($mods);
if (!in_array(strtolower($modulename), $mods)) {
rss_not_found();
}
try {
$cm = get_coursemodule_from_instance($modulename, $instance, 0, false, MUST_EXIST);
require_login($course, false, $cm, false, true);
} catch (Exception $e) {
rss_not_found();
}
} else {
try {
require_login($course, false, NULL, false, true);
} catch (Exception $e) {
rss_not_found();
}
}
$pathname = null;
//Work out the filename of the cached RSS file
if ($isblog) {
require_once($CFG->dirroot.'/blog/rsslib.php');
$pathname = blog_generate_rss_feed($instance, $blogid, $tagid);
} else {
$functionname = $cm->modname.'_rss_get_feed';
require_once($CFG->dirroot."/mod/{$cm->modname}/rsslib.php");
if(function_exists($functionname)) {
$pathname = $functionname($context, $cm, $instance, $args);
}
switch ($modulename) {
case 'blog':
$blogid = (int) $args[4]; // could be groupid / courseid / userid depending on $instance
if ($args[5] != 'rss.xml') {
$tagid = (int) $args[5];
} else {
$tagid = 0;
}
try {
require_login($course, false, NULL, false, true);
} catch (Exception $e) {
rss_not_found();
}
//Work out the filename of the cached RSS file
require_once($CFG->dirroot . '/blog/rsslib.php');
$pathname = blog_generate_rss_feed($instance, $blogid, $tagid);
break;
case 'local_hub': //Note: I made this case generic for a probable futur refactor.
// rss/file.php should not handle individual cases.
//Here $modulename contain the folder path with '_' instead of '/'
//Work out the filename of the cached RSS file
$functionname = $modulename . '_rss_get_feed';
$modulepath = str_replace('_', '/', $modulename);
require_once($CFG->dirroot . '/' . $modulepath . '/rsslib.php');
if (function_exists($functionname)) {
$pathname = $functionname($args); //All the xxx_rss_get_feed() could manage
// eveything with only $args parameter.
}
break;
default:
$instance = (int) $instance;
$mods = get_plugin_list('mod');
$mods = array_keys($mods);
if (!in_array(strtolower($modulename), $mods)) {
rss_not_found();
}
try {
$cm = get_coursemodule_from_instance($modulename, $instance, 0, false, MUST_EXIST);
require_login($course, false, $cm, false, true);
} catch (Exception $e) {
rss_not_found();
}
//Work out the filename of the cached RSS file
$functionname = $cm->modname . '_rss_get_feed';
require_once($CFG->dirroot . "/mod/{$cm->modname}/rsslib.php");
if (function_exists($functionname)) {
$pathname = $functionname($context, $cm, $instance, $args);
}
break;
}
//Check that file exists