boinc/html/inc/subscribe.inc

104 lines
3.7 KiB
PHP

<?php
require_once('../inc/forum.inc');
require_once('../inc/util.inc');
function subscribe($thread, $user=null) {
if (!$thread) {
show_result_page("subscribe", false, NULL);
exit();
}
if (!$user) {
$user = get_logged_in_user(true);
}
$sql = "INSERT INTO subscriptions SET userid = " . $user->id . ", threadid = " . $thread->id;
show_result_page("subscribe", (mysql_query($sql) != null), $thread);
}
function unsubscribe($thread, $user=null) {
if (!$thread) {
show_result_page("unsubscribe", false, NULL);
exit();
}
if (!$user) {
$user = get_logged_in_user(true);
}
$sql = "DELETE FROM subscriptions WHERE (userid = ". $user->id . ") AND (threadid = " . $thread->id . ")";
show_result_page("unsubscribe", (mysql_query($sql) != null), $thread);
}
function show_result_page($action, $success, $thread) {
if ($action == "subscribe" && $success) {
page_head("Subscription Successful");
echo "<span class=\"title\">Subscription successful</span>";
echo "<p>You are now subscribed to <b>", stripslashes($thread->title), "</b>. You will receive an email whenever another user posts to this thread.</p>";
} else if ($action == "unsubscribe" && $success) {
page_head("Unsubscription Successful");
echo "<span class=title>Unsubscription successful</span>";
echo "<p>You have successfully unsubscribed from <b>", stripslashes($thread->title), "</b>. You will no longer receive emails for posts to this thread.</p>";
} else if ($action == "subscribe" && !$success) {
page_head("Subscription Failed");
echo "<span class=title>Subscription failed</span>";
if ($thread) {
echo "<p>There was a problem subscribing you to ", stripslashes($thread->title), ". Please try again later.</p>";
} else {
echo "<p>The thread you tried to subscribe to does not exist.</p>";
}
} else if ($action == "unsubscribe" && !$success) {
page_head("Unsubscription Failed");
echo "<span class=\"title\">Unsubscription failed</span>";
if ($thread) {
echo "<p>There was a problem unsubscribing you from ", stripslashes($thread->title), ". Please try again later.</p>";
} else {
echo "<p>The thread you tried to unsubscribe from does not exist.</p>";
}
} else {
page_head("Unknown action");
echo "<span class=\"title\">Unknown action</span>";
echo "<p>The action you requested is not known</p>";
}
echo "<a href=forum_thread.php?id=$thread->id>Return to thread</a>";
page_tail();
}
/**
* Notify everyone who has subscriped except the user object specified in the optional
* parameter $except_user.
**/
function notify_subscribers($threadID, $except_user=null) {
if ($except_user){
$extra = " and userid!=".intval($except_user->id);
} else {
$extra = "";
}
$sql = "SELECT DISTINCT * FROM subscriptions WHERE threadid = " . $threadID.$extra;
$result = mysql_query($sql);
while ($row = mysql_fetch_object($result)) {
send_notice_email($row->userid, $threadID);
}
}
function send_notice_email($userId, $threadID) {
$thread = getThread($threadID);
$result = mysql_query("SELECT * FROM user WHERE id = $userId");
$row = mysql_fetch_object($result);
$title = PROJECT . ": A user has posted to your subscribed thread.";
$link = URL_BASE . "forum_thread.php?id=" . $threadID;
$body = "Another " . PROJECT . " user has posted to the thread \"" . stripslashes($thread->title) . "\".\n"
."To view the updated thread, visit the following URL:\n\n$link";
mail($row->email_addr, $title, $body);
}
?>