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<?php
class atom_feed extends RatatoeskrPlugin
{
private $config;
private $config_modified;
public function pluginpage(&$data, $url_now, &$url_next)
{
$this->prepare_backend_pluginpage();
$url_next = array();
if(isset($_POST["save_config"]))
{
if(preg_match("/^[a-zA-Z0-9\\-_]+\$/", $_POST["path"]) == 0)
$this->ste->vars["error"] = "Invalid URL Path. Must be at least one character long and may only consist of: a-z, A-Z 0-9 - _";
elseif(empty($_POST["author_name"]))
$this->ste->vars["error"] = "Author name must be set.";
else
{
$this->config["title"] = $_POST["title"];
$this->config["path"] = $_POST["path"];
$this->config["unique_id"] = $_POST["baseid"];
$this->config["author"] = array(
"name" => $_POST["author_name"],
"email" => $_POST["author_email"],
"uri" => $_POST["author_uri"]
);
$this->config_modified = True;
$this->ste->vars["success"] = "Configuration saved.";
}
}
$this->ste->vars["feed_title"] = $this->config["title"];
$this->ste->vars["feed_path"] = $this->config["path"];
$this->ste->vars["feed_baseid"] = $this->config["unique_id"];
$this->ste->vars["feed_author"] = $this->config["author"];
echo $this->ste->exectemplate($this->get_template_dir() . "/backend.html");
}
public function ste_tag_atom_feed($ste, $params, $sub)
{
global $ratatoeskr_settings;
$feeds = array(array("", "/section/" . $ratatoeskr_settings["default_section"]));
if(isset($ste->vars["current"]["article"]))
{
if($ste->vars["current"]["article"]["comments_allowed"])
$feeds[] = array("Comments", "/comments/" . $ste->vars["current"]["article"]["id"]);
$feeds[] = array($ste->vars["current"]["article"]["section"]["title"], "/section/" . $ste->vars["current"]["article"]["section"]["id"]);
}
elseif(isset($ste->vars["current"]["section"]) and ($ste->vars["current"]["section"]["id"] != $ratatoeskr_settings["default_section"]))
$feeds[] = array($ste->vars["current"]["section"]["title"], "/section/" . $ste->vars["current"]["section"]["id"]);
$feedbase = $this->config["path"];
return implode("\n", array_map(
function($f) use ($ste, $feedbase)
{
global $rel_path_to_root;
list($title, $path) = $f;
return "<link href=\"$rel_path_to_root/$feedbase/" . $ste->vars["language"] . "$path.xml\" type=\"application/atom+xml\" rel=\"alternate\" title=\"" . htmlesc(empty($title) ? "Sitewide" : $title) . "\" />";
}, $feeds));
}
public function feedgenerator(&$data, $url_now, &$url_next)
{
global $ratatoeskr_settings, $rel_path_to_root;
list($lang, $mode, $item_id) = $url_next;
$url_next = array();
if(substr($item_id, -4) == ".xml")
$item_id = substr($item_id, 0, -4) + 0;
else
$item_id += 0;
if(empty($lang) or empty($mode) or empty($item_id))
throw new NotFoundError();
if(($mode != "section") and ($mode != "comments"))
throw new NotFoundError();
if(!in_array($lang, $ratatoeskr_settings["languages"]))
throw new NotFoundError();
$baseurl = explode("/",self_url());
$baseurl = array_slice($baseurl, 0, -1);
foreach(explode("/", $rel_path_to_root) as $part)
{
if($part == "..")
$baseurl = array_slice($baseurl, 0, -1);
}
$baseurl = implode("/", $baseurl);
$this->ste->vars["xmlbase"] = self_url();
$this->ste->vars["baseurl"] = $baseurl;
$this->ste->vars["feed"] = array(
"lang" => $lang,
"feedpath" => urlencode($this->config["path"]),
"title" => "",
"alternate" => "",
"mode" => $mode,
"unique_id" => $this->config["unique_id"],
"id" => $item_id,
"author" => $this->config["author"],
"updated" => 0,
"entries" => array()
);
if($mode == "section")
{
try
{
$section = Section::by_id($item_id);
$articles = Article::by_multi(array("section" => $section, "onlyvisible" => True, "langavail" => $lang), "timestamp", "DESC", NULL, NULL, NULL, NULL, $_);
$this->ste->vars["feed"]["title"] = $section->title[$lang]->text . " - " . $this->config["title"];
$this->ste->vars["feed"]["alternate"] = "$baseurl/$lang/" . $section->name;
$this->ste->vars["feed"]["updated"] = empty($articles) ? time() : $articles[0]->timestamp;
$this->ste->vars["feed"]["entries"] = array_map(function($a) use($lang, $rel_path_to_root, $baseurl, $section) { return array(
"id" => $a->get_id(),
"title" => $a->title[$lang]->text,
"updated" => $a->timestamp,
"summary" => textprocessor_apply(str_replace("%root%", $rel_path_to_root, $a->excerpt[$lang]->text), $a->excerpt[$lang]->texttype),
"alternate" => "$baseurl/$lang/" . $section->name . "/" . $a->urlname
); }, $articles);
}
catch(DoesNotExistError $e)
{
throw new NotFoundError();
}
}
elseif($mode == "comments")
{
try
{
$article = Article::by_id($item_id);
if(!isset($article->title[$lang]))
throw new NotFoundError();
$comments = $article->get_comments($lang, True);
usort($comments, function($a, $b) { return intcmp($a->get_timestamp(), $b->get_timestamp()); });
$this->ste->vars["feed"]["title"] = "Comments for " . $article->title[$lang]->text . " - " . $this->config["title"];
$this->ste->vars["feed"]["alternate"] = "$baseurl/$lang/" . $article->urlname;
$this->ste->vars["feed"]["updated"] = empty($comments) ? $article->timestamp : $comments[count($comments)-1]->get_timestamp();
$i = 0;
$this->ste->vars["feed"]["entries"] = array_map(function($c) use (&$i) { $i++; return array(
"id" => $c->get_id(),
"title" => "Comment #" . $i,
"updated" => $c->get_timestamp(),
"content" => $c->create_html(),
"author" => array("name" => $c->author_name)
); }, $comments);
}
catch(DoesNotExistError $e)
{
throw new NotFoundError();
}
}
header("Content-Type: application/atom+xml; charset=UTF-8");
echo $this->ste->exectemplate($this->get_template_dir() . "/feed.xml");
}
public function init()
{
$this->config = $this->kvstorage["config"];
$this->config_modified = False;
$this->ste->register_tag("atom_feed", array($this, "ste_tag_atom_feed"));
$this->register_url_handler($this->config["path"], array($this, "feedgenerator"));
$this->register_backend_pluginpage("Atom Feed", array($this, "pluginpage"));
}
public function install()
{
$this->kvstorage["config"] = array(
"path" => "atom-feeds",
"unique_id" => uniqid("", True),
"author" => array("name" => "*", "email" => "", "uri" => ""),
"title" => "My Feed"
);
}
public function atexit()
{
if($this->config_modified)
$this->kvstorage["config"] = $this->config;
}
}
?>
|
