forked from Cavemanon/cavepaintings
move wiki to core extensions
git-svn-id: file:///home/shish/svn/shimmie2/trunk@398 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish
@@ -1,191 +0,0 @@
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<?php
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/**
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* Name: Simple Wiki
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* Author: Shish <webmaster@shishnet.org>
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* Link: http://trac.shishnet.org/shimmie2/
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* License: GPLv2
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* Description: A simple wiki, for those who don't want the
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* hugeness of mediawiki
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*/
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// WikiUpdateEvent {{{
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class WikiUpdateEvent extends Event {
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var $user;
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var $page;
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public function WikiUpdateEvent($user, $page) {
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$this->user = $user;
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$this->page = $page;
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}
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}
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// }}}
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// WikiPage {{{
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class WikiPage {
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var $id;
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var $owner_id;
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var $owner_ip;
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var $date;
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var $title;
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var $revision;
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var $locked;
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var $body;
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public function WikiPage($row=null) {
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if(!is_null($row)) {
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$this->id = $row['id'];
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$this->owner_id = $row['owner_id'];
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$this->owner_ip = $row['owner_ip'];
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$this->date = $row['date'];
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$this->title = $row['title'];
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$this->revision = $row['revision'];
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$this->locked = ($row['locked'] == 'Y');
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$this->body = $row['body'];
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}
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}
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public function get_owner() {
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global $database;
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return $database->get_user_by_id($this->owner_id);
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}
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public function is_locked() {
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return $this->locked;
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}
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}
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// }}}
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class Wiki extends Extension {
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var $theme;
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public function receive_event($event) {
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if(is_null($this->theme)) $this->theme = get_theme_object("wiki", "WikiTheme");
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if(is_a($event, 'InitExtEvent')) {
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$this->setup();
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}
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if(is_a($event, 'PageRequestEvent') && ($event->page_name == "wiki")) {
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if(is_null($event->get_arg(0)) || strlen(trim($event->get_arg(0))) == 0) {
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$title = "Index";
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}
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else {
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$title = $event->get_arg(0);
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}
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$content = $this->get_page($title);
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if(isset($_GET['save']) && $_GET['save'] == "on") {
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$title = $_POST['title'];
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$rev = int_escape($_POST['revision']);
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$body = $_POST['body'];
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$lock = isset($_POST['lock']) && ($_POST['lock'] == "on");
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global $user;
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if($this->can_edit($user, $this->get_page($title))) {
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if($user->is_admin()) {
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$this->set_page($title, $rev, $body, $lock);
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}
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else {
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$this->set_page($title, $rev, $body, false);
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}
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$u_title = url_escape($title);
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$event->page->set_mode("redirect");
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$event->page->set_redirect(make_link("wiki/$u_title"));
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}
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else {
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$this->theme->display_error($event->page, "Denied", "You do not have permission to edit this page");
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}
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}
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else if(is_null($content)) {
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$default = $this->get_page("wiki:default");
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$blank = new WikiPage();
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$blank->title = $title;
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if(!is_null($default) && !isset($_GET['edit'])) {
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global $config;
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$blank->body = $default->body;
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$blank->owner_id = $config->get_int('anon_id');
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$blank->date = $default->date;
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$this->theme->display_page($event->page, $blank, $this->get_page("wiki:sidebar"));
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}
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else {
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$this->theme->display_page_editor($event->page, $blank);
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}
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}
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else if(isset($_GET['edit']) && $_GET['edit'] == "on") {
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$this->theme->display_page_editor($event->page, $content);
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}
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else {
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$this->theme->display_page($event->page, $content, $this->get_page("wiki:sidebar"));
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}
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}
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if(is_a($event, 'WikiUpdateEvent')) {
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$this->update_wiki_page($event->user, $event->page);
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}
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if(is_a($event, 'SetupBuildingEvent')) {
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$sb = new SetupBlock("Wiki");
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$sb->add_bool_option("wiki_edit_anon", "Allow anonymous edits: ");
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$sb->add_bool_option("wiki_edit_user", "<br>Allow user edits: ");
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$event->panel->add_block($sb);
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}
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}
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private function can_edit($user, $page) {
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global $config;
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if(!is_null($page) && $page->is_locked() && !$user->is_admin()) return false;
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if($config->get_bool("wiki_edit_anon", false) && $user->is_anonymous()) return true;
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if($config->get_bool("wiki_edit_user", false) && !$user->is_anonymous()) return true;
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if($user->is_admin()) return true;
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return false;
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}
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// installer {{{
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private function setup() {
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global $database;
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global $config;
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if($config->get_int("ext_wiki_version", 0) < 1) {
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$database->Execute("CREATE TABLE wiki_pages (
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id int(11) NOT NULL auto_increment,
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owner_id int(11) NOT NULL,
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owner_ip char(15) NOT NULL,
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date datetime default NULL,
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title varchar(255) NOT NULL,
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revision int(11) NOT NULL default 1,
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body text NOT NULL,
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PRIMARY KEY (id), UNIQUE (title, revision)
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)");
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$config->set_int("ext_wiki_version", 1);
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}
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if($config->get_int("ext_wiki_version") < 2) {
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$database->Execute("ALTER TABLE wiki_pages ADD COLUMN
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locked ENUM('Y', 'N') DEFAULT 'N' NOT NULL AFTER REVISION");
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$config->set_int("ext_wiki_version", 2);
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}
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}
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// }}}
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// database {{{
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private function get_page($title, $revision=-1) {
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global $database;
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$row = $database->db->GetRow("
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SELECT *
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FROM wiki_pages
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WHERE title LIKE ?
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ORDER BY revision DESC", array($title));
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return ($row ? new WikiPage($row) : null);
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}
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private function set_page($title, $rev, $body, $locked) {
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global $database;
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global $user;
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// FIXME: deal with collisions
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$row = $database->Execute("
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INSERT INTO wiki_pages(owner_id, owner_ip, date, title, revision, locked, body)
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VALUES (?, ?, now(), ?, ?, ?, ?)", array($user->id, $_SERVER['REMOTE_ADDR'], $title, $rev, $locked?'Y':'N', $body));
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}
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// }}}
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}
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add_event_listener(new Wiki());
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?>
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