private messaging system
git-svn-id: file:///home/shish/svn/shimmie2/trunk@1032 7f39781d-f577-437e-ae19-be835c7a54ca
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contrib/pm/main.php
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116
contrib/pm/main.php
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<?php
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/**
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* Name: Private Messaging
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* Author: Shish <webmaster@shishnet.org>
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* License: GPLv2
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* Description: Allow users to send messages to eachother
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*/
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class PM implements Extension {
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var $theme;
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public function receive_event(Event $event) {
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if(is_null($this->theme)) $this->theme = get_theme_object($this);
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if($event instanceof InitExtEvent) {
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global $config;
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if($config->get_int("pm_version") < 1) {
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$this->install();
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}
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}
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/*
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if($event instanceof UserBlockBuildingEvent) {
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if(!$event->user->is_anonymous()) {
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$event->add_link("Private Messages", make_link("pm"));
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}
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}
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*/
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if($event instanceof UserPageBuildingEvent) {
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global $user;
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$duser = $event->user;
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if(!$user->is_anonymous()) {
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if(($user->id == $duser->id) || $user->is_admin()) {
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$this->theme->display_pms($event->page, $this->get_pms($duser));
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}
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if($user->id != $duser->id) {
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$this->theme->display_composer($event->page, $user, $duser);
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}
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}
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}
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if(($event instanceof PageRequestEvent) && $event->page_matches("pm/read")) {
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global $database;
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global $config;
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global $user;
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$pm_id = int_escape($event->get_arg(0));
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$pm = $database->get_row("SELECT * FROM private_message WHERE id = ?", array($pm_id));
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if(is_null($pm)) {
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// error
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}
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else if(($pm["to_id"] == $user->id) || $user->is_admin()) {
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$from_user = User::by_id($config, $database, int_escape($pm["from_id"]));
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$this->theme->display_message($event->page, $from_user, $event->user, $pm);
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}
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else {
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// else
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}
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}
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if(($event instanceof PageRequestEvent) && $event->page_matches("pm/delete")) {
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global $database;
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global $config;
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global $user;
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$pm_id = int_escape($event->get_arg(0));
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$pm = $database->get_row("SELECT * FROM private_message WHERE id = ?", array($pm_id));
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if(is_null($pm)) {
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// error
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}
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else if(($pm["to_id"] == $user->id) || $user->is_admin()) {
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$database->execute("DELETE FROM private_message WHERE id = ?", array($pm_id));
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$event->page->set_mode("redirect");
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$event->page->set_redirect(make_link("user"));
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}
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else {
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// else
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}
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}
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}
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protected function install() {
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global $database;
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global $config;
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// shortcut to latest
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if($config->get_int("pm_version") < 1) {
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$database->execute("
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CREATE TABLE private_message (
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id {$database->engine->auto_increment},
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from_id INTEGER NOT NULL,
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from_ip VARCHAR(15) NOT NULL,
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to_id INTEGER NOT NULL,
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sent_date DATETIME NOT NULL,
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subject VARCHAR(64) NOT NULL,
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message TEXT NOT NULL,
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is_read ENUM('Y', 'N') NOT NULL DEFAULT 'N',
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INDEX (to_id)
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) {$database->engine->create_table_extras};
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");
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$config->set_int("pm_version", 1);
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}
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}
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private function get_pms(User $user) {
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global $database;
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return $database->get_all("
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SELECT private_message.*,user_from.name AS from_name
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FROM private_message
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JOIN users AS user_from ON user_from.id=from_id
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WHERE to_id = ?
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", array($user->id));
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}
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}
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add_event_listener(new PM());
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?>
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46
contrib/pm/theme.php
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46
contrib/pm/theme.php
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<?php
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class PMTheme extends Themelet {
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public function display_pms(Page $page, $pms) {
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$html = "<table>";
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$html .= "<tr><th>Subject</th><th>From</th><th>Date</th><th>Action</th></tr>";
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foreach($pms as $pm) {
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$h_subject = html_escape($pm["subject"]);
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$h_from = html_escape($pm["from_name"]);
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$from_url = make_link("user/".url_escape($pm["from_name"]));
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$pm_url = make_link("pm/read/".$pm["id"]);
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$del_url = make_link("pm/delete/".$pm["id"]);
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$h_date = html_escape($pm["sent_date"]);
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if($pm["is_read"] == "N") $h_subject = "<b>$h_subject</b>";
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$html .= "<tr><td><a href='$pm_url'>$h_subject</a></td>
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<td><a href='$from_url'>$h_from</a></td><td>$h_date</td>
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<td><form action='$del_url'><input type='submit' value='Delete'></form></td></tr>";
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}
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$html .= "</table>";
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$page->add_block(new Block("Private Messages", $html, "main", 10));
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}
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public function display_composer(Page $page, User $from, User $to) {
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$post_url = make_link("pm/send");
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$to_id = $to->id;
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$html = <<<EOD
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<form action="$post_url" method="POST">
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<input type="hidden" name="to_id" value="$to_id">
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<table style="width: 400px;">
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<tr><td>Subject:</td><td><input type="text" name="subject"></td></tr>
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<tr><td colspan="2"><textarea style="width: 100%" rows="6" name="message"></textarea></td></tr>
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<tr><td colspan="2"><input type="submit" value="Send"></td></tr>
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</table>
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</form>
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EOD;
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$page->add_block(new Block("Write a PM", $html, "main", 20));
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}
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public function display_message(Page $page, User $from, User $to, $pm) {
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$this->display_composer($page, $to, $from);
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$page->set_title("Private Message");
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$page->set_heading(html_escape($pm["subject"]));
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$page->add_block(new Block("Message", format_text($pm["message"]), "main", 10));
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}
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}
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?>
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