117 lines
3 KiB
PHP
117 lines
3 KiB
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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